Award flights from San Francisco to London Heathrow (LHR)
Award space from San Francisco to London Heathrow (LHR)
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AwardTool saw award space on 3 airport pairs between San Francisco (SFO, OAK, SJC) and London Heathrow (LHR) in the last 30 days. Lowest economy: 9,000 points + $162.60 on SFO–LHR (Virgin Atlantic Flying Club). Lowest business class: 57,500 miles + $5.60 on SFO–LHR (American Airlines AAdvantage). Lowest first class: 70,000 points + $25.60 on SJC–LHR (Alaska Atmos Rewards).
Prices observed – .
Page regenerated from the Nov 12, 2026 data snapshot (normally daily). Summary last changed . Seats change quickly.
- Lowest economy
- 9,000 pts + $162.60
- SFO–LHR · Virgin Atlantic
- Lowest premium economy
- 16,500 pts + $298.40
- SFO–LHR · Virgin Atlantic
- Lowest business class
- 57,500 pts + $5.60
- SFO–LHR · AAdvantage
- Lowest first class
- 70,000 pts + $25.60
- SJC–LHR · Atmos
Economy was lowest on SFO–LHR: 9,000 points + $162.60 with Virgin Atlantic Flying Club. The lowest on another airport pair was 21,000 miles + $5.60 with American Airlines AAdvantage on SJC–LHR. With American Airlines AAdvantage, business class started at 57,500 miles + $5.60, about 2.7 times the points of its lowest economy award (21,000 miles + $5.60).
Compare programs by cabin
The lowest one-way award each program showed in each cabin, sorted by points.
Economy
Lowest economy from San Francisco to London Heathrow (LHR) on points: 9,000 points + $162.60 with Virgin Atlantic Flying Club on SFO–LHR (seen on 325 dates).
| Program | Points + taxes | Airports | Dates seen |
|---|---|---|---|
| Virgin Atlantic Flying ClubLowest observed | 9,000 pts + $162.60 | SFO–LHR | 325 |
| GOL Smiles | 9,500 pts + taxes not reported | SFO–LHR | 313 |
| TAP Air Portugal Miles&Go | 19,000 pts + $101.05 | SFO–LHR | 203 |
| American Airlines AAdvantage | 21,000 pts + $5.60 | SFO–LHR | 318 |
| Air France/KLM Flying Blue | 21,875 pts + $153.20 | SFO–LHR | 339 |
| JetBlue TrueBlue | 22,800 pts + $5.60 | SFO–LHR | 322 |
| Delta SkyMiles | 25,000 pts + $5.60 | SFO–LHR | 330 |
| Cathay Pacific Asia Miles | 27,000 pts + $33.63 | SFO–LHR | 27 |
| SAS EuroBonus | 30,000 pts + $25.30 | SFO–LHR | 56 |
| Qatar Airways Privilege Club | 33,000 pts + taxes not reported | SFO–LHR | 256 |
| Alaska Atmos Rewards | 35,000 pts + $5.60 | SJC–LHR | 328 |
| Qantas Frequent Flyer | 36,200 pts + $359.00 | SFO–LHR | 288 |
| Avianca LifeMiles | 40,000 pts + $29.00 | SFO–LHR | 347 |
| United MileagePlus | 40,000 pts + $5.60 | SFO–LHR | 327 |
| Air Canada Aeroplan | 40,000 pts + $75.81 | SJC–LHR | 32 |
| Virgin Australia Velocity | 42,000 pts + $31.78 | SFO–LHR | 266 |
| Turkish Miles & Smiles | 55,000 pts + taxes not reported | SFO–LHR | 290 |
| Etihad Guest | 67,000 pts + $33.50 | SFO–LHR | 40 |
| Aeromexico Club Premier | 73,000 pts + $98.95 | SFO–LHR | 330 |
Premium Economy
Lowest premium economy from San Francisco to London Heathrow (LHR) on points: 16,500 points + $298.40 with Virgin Atlantic Flying Club on SFO–LHR (seen on 318 dates).
| Program | Points + taxes | Airports | Dates seen |
|---|---|---|---|
| Virgin Atlantic Flying ClubLowest observed | 16,500 pts + $298.40 | SFO–LHR | 318 |
| Air France/KLM Flying Blue | 40,000 pts + $242.00 | SFO–LHR | 337 |
| American Airlines AAdvantage | 40,000 pts + $5.60 | SFO–LHR | 313 |
| Lufthansa Miles & More | 42,500 pts + $752.70 | SFO–LHR | 13 |
| Alaska Atmos Rewards | 45,000 pts + $25.60 | SFO–LHR | 224 |
| SAS EuroBonus | 45,000 pts + $25.30 | SFO–LHR | 19 |
| United MileagePlus | 50,000 pts + $5.60 | SFO–LHR | 327 |
| Cathay Pacific Asia Miles | 52,000 pts + $308.41 | SFO–LHR | 9 |
| Qantas Frequent Flyer | 73,900 pts + $1,679.00 | SFO–LHR | 173 |
| Delta SkyMiles | 75,000 pts + $5.60 | SFO–LHR | 327 |
| Air Canada Aeroplan | 82,613 pts + $85.01 | SJC–LHR | 32 |
| GOL Smiles | 110,200 pts + taxes not reported | SFO–LHR | 48 |
Business Class
Lowest business class from San Francisco to London Heathrow (LHR) on points: 57,500 miles + $5.60 with American Airlines AAdvantage on SFO–LHR (seen on 317 dates).
| Program | Points + taxes | Airports | Dates seen |
|---|---|---|---|
| American Airlines AAdvantageLowest observed | 57,500 pts + $5.60 | SFO–LHR | 317 |
| SAS EuroBonus | 60,000 pts + $25.40 | SFO–LHR | 3 |
| Lufthansa Miles & More | 62,500 pts + $359.00Mixed cabin | SFO–LHR | 224 |
| Virgin Atlantic Flying Club | 64,000 pts + $702.70 | SFO–LHR | 323 |
| Alaska Atmos Rewards | 70,000 pts + $25.60 | SFO–LHR | 258 |
| Air France/KLM Flying Blue | 78,000 pts + $353.40 | SFO–LHR | 339 |
| Avianca LifeMiles | 80,000 pts + $49.20 | SFO–LHR | 335 |
| United MileagePlus | 80,000 pts + $5.60Mixed cabin | SFO–LHR | 327 |
| Virgin Australia Velocity | 87,000 pts + $31.78 | SFO–LHR | 1 |
| Cathay Pacific Asia Miles | 91,000 pts + $33.63 | SFO–LHR | 11 |
| Qantas Frequent Flyer | 98,400 pts + $1,554.00 | SFO–LHR | 113 |
| British Airways Executive Club | 99,000 pts + $394.50 | SFO–LHR | 124 |
| Qatar Airways Privilege Club | 99,000 pts + taxes not reported | SFO–LHR | 71 |
| JetBlue TrueBlue | 111,600 pts + $5.60 | SFO–LHR | 1 |
| Delta SkyMiles | 125,000 pts + $5.60 | SFO–LHR | 324 |
| Etihad Guest | 129,999 pts + $38.00 | SJC–LHR | 1 |
| Turkish Miles & Smiles | 175,000 pts + taxes not reported | SFO–LHR | 289 |
| TAP Air Portugal Miles&Go | 190,000 pts + $103.17 | SFO–LHR | 196 |
| GOL Smiles | 219,400 pts + taxes not reportedMixed cabin | SJC–LHR | 2 |
| Aeromexico Club Premier | 225,000 pts + $98.95 | SFO–LHR | 325 |
| Air Canada Aeroplan | 264,486 pts + $84.01Mixed cabin | SJC–LHR | 32 |
First Class
Lowest first class from San Francisco to London Heathrow (LHR) on points: 70,000 points + $25.60 with Alaska Atmos Rewards on SJC–LHR (seen on 326 dates).
| Program | Points + taxes | Airports | Dates seen |
|---|---|---|---|
| Alaska Atmos RewardsLowest observed | 70,000 pts + $25.60 | SJC–LHR | 326 |
| American Airlines AAdvantage | 85,000 pts + $1,688.00Mixed cabin | SJC–LHR | 13 |
| Delta SkyMiles | 125,000 pts + $5.60 | SFO–LHR | 330 |
| Qantas Frequent Flyer | 145,300 pts + $1,679.00Mixed cabin | SJC–LHR | 1 |
| Lufthansa Miles & More | 170,928 pts + $1,552.80 | SFO–LHR | 89 |
| United MileagePlus | 295,000 pts + $11.20 | SFO–LHR | 1 |
Not seen means AwardTool hasn't observed this cabin on this route in the last 30 days. It doesn't mean the airline has no seats.
San Francisco to London Heathrow (LHR) at a glance
- From
- San Francisco (SFO, OAK, SJC)
- To
- London Heathrow (LHR)
- Programs with award space seen
- 21 of 26 programs tracked on this route
- Nonstop award space seen
- Yes, in economy, premium economy, business class and first class, via American Airlines AAdvantage, Alaska Atmos Rewards, Avianca LifeMiles, JetBlue TrueBlue, British Airways Executive Club, Cathay Pacific Asia Miles, Delta SkyMiles, GOL Smiles, Air France/KLM Flying Blue, Qantas Frequent Flyer, Qatar Airways Privilege Club, United MileagePlus, Virgin Australia Velocity and Virgin Atlantic Flying Club
- Airlines seen on these awards
- American Airlines (AA), Air Canada (AC), Air France (AF), Aeromexico (AM), Alaska Airlines (AS), Avianca (AV), Finnair (AY), ITA Airways (AZ), JetBlue (B6), British Airways (BA), Condor (DE), Delta Air Lines (DL) and 21 more
- Departures with open awards
- Nov 2026 to Oct 2027
- Latest departure with space
- Observation window
- Awards observed in the last 30 days
- Distance
- 5,343–5,356 miles (8,599–8,619 km) between the airports, great-circle
- Destination guide
- Award flights to London Heathrow (LHR)
Compare airports
Lowest one-way award AwardTool observed on each airport pair between San Francisco and London Heathrow (LHR), with the program and the number of departure dates seen.
| Airports | Economy | Premium Economy | Business | First |
|---|---|---|---|---|
| San Francisco (SFO) to London Heathrow (LHR) | 9,000 pts + $162.60Virgin Atlantic · 325 dates | 16,500 pts + $298.40Virgin Atlantic · 318 dates | 57,500 pts + $5.60AAdvantage · 317 dates | 70,000 pts + $25.60Atmos · 321 dates |
| Oakland (OAK) to London Heathrow (LHR) | 21,000 pts + $5.60AAdvantage · 40 dates | 40,000 pts + $533.50AAdvantage · 31 dates | 57,500 pts + $733.50AAdvantage · 28 dates | 70,000 pts + $1,004.00Atmos · 24 dates |
| San Jose (SJC) to London Heathrow (LHR) | 21,000 pts + $5.60AAdvantage · 302 dates | 40,000 pts + $5.60AAdvantage · 299 dates | 57,500 pts + $5.60AAdvantage · 302 dates · Mixed cabin | 70,000 pts + $25.60Atmos · 326 dates |
Not seen means AwardTool hasn't observed this cabin on this route in the last 30 days. It doesn't mean the airline has no seats.
Prices are one-way per traveler: the program's points or miles plus taxes and carrier fees in USD, as AwardTool observed them in the observation window. Award space changes constantly. A seat we saw may be gone, and space we haven't seen may exist. Always confirm with a live search before transferring points; most transfers can't be reversed.
Lowest observed by cabin, San Francisco to London Heathrow (LHR)
- Economy: 9,000 points + $162.60 on San Francisco (SFO) to London Heathrow (LHR) with Virgin Atlantic Flying Club, which showed economy award space there on 325 dates.
- Premium Economy: 16,500 points + $298.40 on San Francisco (SFO) to London Heathrow (LHR) with Virgin Atlantic Flying Club, which showed premium economy award space there on 318 dates.
- Business Class: 57,500 miles + $5.60 on San Francisco (SFO) to London Heathrow (LHR) with American Airlines AAdvantage, which showed business-class award space there on 317 dates.
- First Class: 70,000 points + $25.60 on San Jose (SJC) to London Heathrow (LHR) with Alaska Atmos Rewards, which showed first-class award space there on 326 dates.
Observed award examples
| Departure | Cabin | Airports | Program | Points + taxes | Seats | Stops | Observed (UTC) | |
|---|---|---|---|---|---|---|---|---|
| Economy | SFO–LHR | GOL Smiles | 9,500 pts + taxes not reported | 9+ | 1 stop | Check this date | ||
| Economy | SFO–LHR | Virgin Atlantic Flying Club | 15,000 pts + $162.60 | 1 | Nonstop | Check this date | ||
| Premium Economy | SFO–LHR | Virgin Atlantic Flying Club | 39,000 pts + $315.20 | 2 | 1 stop | Check this date | ||
| Premium Economy | OAK–LHR | American Airlines AAdvantage | 40,000 pts + $533.50 | 3 | Nonstop | Check this date | ||
| Business | SFO–LHR | American Airlines AAdvantage | 57,500 pts + $733.50 | — | Nonstop | Check this date | ||
| First | SFO–LHR | Alaska Atmos Rewards | 70,000 pts + $25.60 | 4 | 1 stop | Check this date | ||
| First | SFO–LHR | Delta SkyMiles | 125,000 pts + $5.60 | 7 | 1 stop | Check this date | ||
| First | SFO–LHR | Qantas Frequent Flyer | 155,200 pts + $1,679.00 | 1 | Nonstop | Check this date |
Prices are one-way per traveler: the program's points or miles plus taxes and carrier fees in USD, as AwardTool observed them in the observation window. Award space changes constantly. A seat we saw may be gone, and space we haven't seen may exist. Always confirm with a live search before transferring points; most transfers can't be reversed.
Nonstop award space
- Economy: nonstop from 9,500 miles + taxes vary via GOL Smiles on SFO–LHR, which showed nonstop space there on 297 dates (13 programs had nonstop space).
- Premium economy: nonstop from 16,500 points + $298.40 via Virgin Atlantic Flying Club on SFO–LHR, which showed nonstop space there on 318 dates (7 programs had nonstop space).
- Business class: nonstop from 57,500 miles + $733.50 via American Airlines AAdvantage on SFO–LHR, which showed nonstop space there on 45 dates (10 programs had nonstop space).
- First class: nonstop space via Qantas Frequent Flyer.
Best months to fly from San Francisco to London Heathrow (LHR) on points
Each month shows the lowest award seen across the 3 airport pairs, with that program's open dates on the airport pair behind it.
| Month | Economy | Premium Economy | Business | First |
|---|---|---|---|---|
| 9,500 pts + taxes not reported (19 dates)Smiles | 40,000 pts + $252.50 (17 dates)Flying Blue | 57,500 pts + $733.50 (18 dates)AAdvantage | 70,000 pts + $25.60 (17 dates)Atmos | |
| 9,500 pts + taxes not reported (31 dates)Smiles | 39,000 pts + $315.20 (28 dates)Virgin Atlantic | 57,500 pts + $5.60 (31 dates)AAdvantage | 70,000 pts + taxes not reported (31 dates)Atmos | |
| 9,000 pts + taxes not reported (31 dates)Virgin Atlantic | 24,000 pts + taxes not reported (31 dates)Virgin Atlantic | 57,500 pts + $11.20 (30 dates)AAdvantage | 70,000 pts + taxes not reported (31 dates)Atmos | |
| 9,000 pts + taxes not reported (28 dates)Virgin Atlantic | 39,000 pts + taxes not reported (28 dates)Virgin Atlantic | 57,500 pts + taxes not reported (28 dates)AAdvantage | 70,000 pts + taxes not reported (28 dates)Atmos | |
| 9,000 pts + taxes not reported (31 dates)Virgin Atlantic | 40,000 pts + taxes not reported (30 dates)AAdvantage | 57,500 pts + taxes not reported (30 dates)AAdvantage | 70,000 pts + taxes not reported (31 dates)Atmos | |
| 9,000 pts + taxes not reported (30 dates)Virgin Atlantic | 16,500 pts + taxes not reported (30 dates)Virgin Atlantic | 57,500 pts + taxes not reported (30 dates)AAdvantage | 70,000 pts + taxes not reported (30 dates)Atmos | |
| 9,000 pts + taxes not reported (31 dates)Virgin Atlantic | 40,000 pts + taxes not reported (31 dates)AAdvantage | 57,500 pts + taxes not reported (31 dates)AAdvantage | 70,000 pts + taxes not reported (31 dates)Atmos | |
| 9,000 pts + taxes not reported (30 dates)Virgin Atlantic | 23,000 pts + taxes not reported (30 dates)Virgin Atlantic | 57,500 pts + taxes not reported (29 dates)AAdvantage | 70,000 pts + taxes not reported (30 dates)Atmos | |
| 9,500 pts + taxes not reported (31 dates)Smiles | 23,000 pts + taxes not reported (31 dates)Virgin Atlantic | 57,500 pts + taxes not reported (31 dates)AAdvantage | 70,000 pts + taxes not reported (31 dates)Atmos | |
| 9,500 pts + taxes not reported (29 dates)Smiles | 23,000 pts + taxes not reported (31 dates)Virgin Atlantic | 57,500 pts + taxes not reported (29 dates)AAdvantage | 70,000 pts + taxes not reported (31 dates)Atmos | |
| 9,000 pts + taxes not reported (30 dates)Virgin Atlantic | 16,500 pts + taxes not reported (30 dates)Virgin Atlantic | 57,500 pts + taxes not reported (29 dates)AAdvantage | 70,000 pts + taxes not reported (30 dates)Atmos | |
| 9,000 pts + taxes not reported (4 dates)Virgin Atlantic | 34,000 pts + taxes not reported (4 dates)Virgin Atlantic | 57,500 pts + taxes not reported (5 dates)AAdvantage | 70,000 pts + taxes not reported (5 dates)Atmos |
A month's taxes are those of an award AwardTool recorded at that month's lowest price for a departure that month. “Taxes not reported” means the data has none for that month; the award still has taxes and fees.
Points that transfer to these programs
| Program | Amex | Bilt | Capital One | Chase | Citi | Wells Fargo |
|---|---|---|---|---|---|---|
| Alaska Atmos Rewards | — | 1:1 · ~1 day | — | — | — | — |
| American Airlines AAdvantage | — | — | — | — | 1:1 · Instant | — |
| Virgin Atlantic Flying Club | 1:1 · Instant | 1:1 · Instant | 1:1 · Instant | 1:1 · Instant | 1:1 · Instant | 1:1 · Instant |
Check current transfer bonuses. Most transfers can't be reversed.
Questions about San Francisco to London Heathrow (LHR) award flights
Which airports had the lowest award prices from San Francisco to London Heathrow (LHR)?
In business class, SFO–LHR with 57,500 miles + $5.60 (American Airlines AAdvantage). In economy, SFO–LHR with 9,000 points + $162.60 (Virgin Atlantic Flying Club). Prices are the lowest AwardTool observed in the last 30 days; search live before transferring points.
Which airport pairs between San Francisco and London Heathrow (LHR) had award space?
SFO–LHR (economy, premium economy, business class and first class), OAK–LHR (economy, premium economy, business class and first class) and SJC–LHR (economy, premium economy, business class and first class). Airport pairs not listed had no award space AwardTool observed in the last 30 days.
How many points does it take to fly from San Francisco to London Heathrow (LHR)?
The lowest economy award AwardTool has seen was 9,000 points + $162.60 with Virgin Atlantic Flying Club. Virgin Atlantic Flying Club showed economy award space on 325 departure dates at any price (newest observation Nov 12, 2026, 09:31 UTC). The lowest business-class award AwardTool has seen was 57,500 miles + $5.60 with American Airlines AAdvantage. Seen Nov 12, 2026, 05:27 UTC for a Jan 5, 2027 departure. American Airlines AAdvantage showed business-class award space on 317 departure dates at any price (newest observation Nov 12, 2026, 10:42 UTC). Search live before transferring points.
Which loyalty programs had award space from San Francisco to London Heathrow (LHR)?
21 programs in the last 30 days: American Airlines AAdvantage (economy 318 dates, premium economy 313 dates, business class 317 dates, first class 13 dates); Air Canada Aeroplan (economy 32 dates, premium economy 32 dates, business class 32 dates); Aeromexico Club Premier (economy 330 dates, business class 325 dates); Alaska Atmos Rewards (economy 328 dates, premium economy 224 dates, business class 258 dates, first class 326 dates); Avianca LifeMiles (economy 347 dates, business class 335 dates); JetBlue TrueBlue (economy 322 dates, business class 1 date); British Airways Executive Club (business class 124 dates); Cathay Pacific Asia Miles (economy 27 dates, premium economy 9 dates, business class 11 dates) and 13 more. Dates count departure dates with an open award.
Can you fly nonstop from San Francisco to London Heathrow (LHR) on points?
Yes. AwardTool observed nonstop award space in economy, premium economy, business class and first class, bookable via American Airlines AAdvantage, Alaska Atmos Rewards, Avianca LifeMiles, JetBlue TrueBlue, British Airways Executive Club, Cathay Pacific Asia Miles, Delta SkyMiles, GOL Smiles, Air France/KLM Flying Blue, Qantas Frequent Flyer, Qatar Airways Privilege Club, United MileagePlus, Virgin Australia Velocity and Virgin Atlantic Flying Club. The lowest nonstop award in economy was 9,500 miles with GOL Smiles.
How much are taxes and fees on award flights from San Francisco to London Heathrow (LHR)?
Taxes and fees on each program's lowest award ranged in economy from $5.60 with AAdvantage (21,000 miles + $5.60) to $359.00 with Qantas (36,200 points + $359.00); in business class from $5.60 with AAdvantage (57,500 miles + $5.60) to $1,554.00 with Qantas (98,400 points + $1,554.00). GOL Smiles, Qatar Airways Privilege Club and Turkish Miles & Smiles did not report taxes for their lowest economy and business-class awards. Amounts are one way per traveler in USD and can differ on other dates and routings.
Which credit card points can book awards from San Francisco to London Heathrow (LHR)?
American Express Membership Rewards: Air Canada Aeroplan (1:1), Aeromexico Club Premier (1:1.6), Avianca LifeMiles (1:1), JetBlue TrueBlue (5:4), British Airways Executive Club (1:1), Cathay Pacific Asia Miles (5:4), Delta SkyMiles (1:1), Air France/KLM Flying Blue (1:1), Qantas Frequent Flyer (1:1), Qatar Airways Privilege Club (1:1), Virgin Atlantic Flying Club (1:1). Bilt Rewards: Air Canada Aeroplan (1:1), Alaska Atmos Rewards (1:1), Avianca LifeMiles (1:1), JetBlue TrueBlue (1:1), British Airways Executive Club (1:1), Cathay Pacific Asia Miles (1:1), Etihad Guest (1:1), Air France/KLM Flying Blue (1:1), Qatar Airways Privilege Club (1:1), Turkish Miles & Smiles (1:1), TAP Air Portugal Miles&Go (1:1), United MileagePlus (1:1), Virgin Atlantic Flying Club (1:1). Capital One Miles: Air Canada Aeroplan (1:1), Aeromexico Club Premier (1:1), Avianca LifeMiles (1:1), JetBlue TrueBlue (5:3), British Airways Executive Club (1:1), Cathay Pacific Asia Miles (1:1), Etihad Guest (1:1), Air France/KLM Flying Blue (1:1), Qantas Frequent Flyer (1:1), Qatar Airways Privilege Club (1:1), Turkish Miles & Smiles (1:1), TAP Air Portugal Miles&Go (1:1), Virgin Atlantic Flying Club (1:1). Chase Ultimate Rewards: Air Canada Aeroplan (1:1), JetBlue TrueBlue (1:1), British Airways Executive Club (1:1), Air France/KLM Flying Blue (1:1), United MileagePlus (1:1), Virgin Atlantic Flying Club (1:1). Citi ThankYou Points: American Airlines AAdvantage (1:1), Avianca LifeMiles (1:1), JetBlue TrueBlue (1:1), Cathay Pacific Asia Miles (1:1), Etihad Guest (1:1), Air France/KLM Flying Blue (1:1), Qantas Frequent Flyer (1:1), Qatar Airways Privilege Club (1:1), Turkish Miles & Smiles (1:1), Virgin Atlantic Flying Club (1:1). Wells Fargo Rewards: Avianca LifeMiles (1:1), JetBlue TrueBlue (1:1), British Airways Executive Club (1:1), Cathay Pacific Asia Miles (1:1), Air France/KLM Flying Blue (1:1), Virgin Atlantic Flying Club (1:1). These are US card programs; ratios come from AwardTool's transfer partner list. Check current bonuses first.
What's the best month to fly from San Francisco to London Heathrow (LHR) on points?
Counting only month prices from programs with award space on 2 or more dates that month, and leaving out unusually low outliers: in economy, the lowest award was for Jan 2027 departures, 9,000 points + taxes not reported with Virgin Atlantic (31 dates); in business class, the lowest award was for Dec 2026 departures, 57,500 miles + $5.60 with AAdvantage (31 dates). The month table shows every lowest price, including those. Based on dates we observed, not a forecast.
When do award seats open for flights from San Francisco to London Heathrow (LHR)?
Booking windows before departure published by the programs with award space here (AwardTool's program data, reviewed Nov 6, 2026): Qatar Airways Privilege Club about 361 days, TAP Air Portugal Miles&Go about 361 days, Avianca LifeMiles about 360 days and 14 other programs. AwardTool saw award space on this route for departures as late as Oct 27, 2027; seats can open earlier or later, and released seats may already be booked. See award release dates by program.