United MileagePlus award flights from London Heathrow (LHR) to San Francisco (SFO)
In the last 30 days AwardTool saw United MileagePlus award space for LHR→SFO in economy, premium economy, business and first. Lowest economy: 34,300 miles + $220.69 (economy space on 329 dates). Lowest business: 80,000 miles + $414.19 (business space on 329 dates). Lowest first: 200,000 miles + $414.19 (first space on 88 dates).
Data as of
Award prices last changed . AwardTool checks these routes daily; seats change quickly.
- Lowest economy
- 34,300 miles + $220.69
- economy space on 329 dates
- Lowest business
- 80,000 miles + $414.19
- business space on 329 dates
- Lowest first
- 200,000 miles + $414.19
- first space on 88 dates
- Lowest premium economy
- 50,000 miles + $408.59
- premium economy space on 329 dates
MileagePlus award prices by cabin
The lowest one-way United MileagePlus award AwardTool observed on LHR→SFO in each cabin, in miles plus taxes.
| Cabin | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| Economy | 34,300 miles + $220.69 | Nonstop | Air Canada (AC), ITA Airways (AZ), JetBlue (B6), Aer Lingus (EI) +9 more | 9+ | 329 | See dates | |
| Premium Economy | 50,000 miles + $408.59 | Nonstop | ITA Airways (AZ), Aer Lingus (EI), Lufthansa (LH), SWISS (LX) +3 more | 9+ | 329 | See dates | |
| Business | 80,000 miles + $414.19 | 1 stopNonstop from 200,000 pts · Mixed cabin | Air Canada (AC), ITA Airways (AZ), JetBlue (B6), Aer Lingus (EI) +6 more | 1 | 329 | See dates | |
| First | 200,000 miles + $414.19 | 2 stops | United Airlines (UA) | 9+ | 88 | See 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. Dates seen counts departure dates with an open award in that cabin at any price; newest observation is the latest time AwardTool saw one of them. Seats is the count the program reported when we observed it; some programs report at most 9.
Observed MileagePlus award examples
| Departure | Cabin | Points + taxes | Seats | Stops | Observed (UTC) | |
|---|---|---|---|---|---|---|
| Economy | 34,300 miles + $220.69 | 9+ | Nonstop | Check this date | ||
| Economy | 34,300 miles + $220.69 | 9+ | Nonstop | Check this date | ||
| Economy | 34,300 miles + $220.69 | 9+ | Nonstop | Check this date | ||
| Premium Economy | 50,000 miles + $408.59 | 9+ | Nonstop | Check this date | ||
| Premium Economy | 50,000 miles + $408.59 | 9+ | Nonstop | Check this date | ||
| Premium Economy | 50,000 miles + $408.59 | 9+ | Nonstop | Check this date | ||
| Business | 80,000 miles + $414.19 | 3 | 1 stop | Check this date | ||
| First | 200,000 miles + $414.19 | 9+ | 2 stops | 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 at the time shown. 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.
Best months to fly LHR to SFO with MileagePlus
| Month | Economy | Premium Economy | Business | First |
|---|---|---|---|---|
| 40,000 (16 dates) | 50,000 (16 dates) | 120,000 (16 dates) | 395,000 (1 date) | |
| 34,300 (30 dates) | 50,000 (30 dates) | 80,000 (30 dates) | 200,000 (17 dates) | |
| 34,300 (31 dates) | 50,000 (31 dates) | 80,000 (31 dates) | 200,000 (23 dates) | |
| 35,400 (31 dates) | 50,000 (31 dates) | 80,000 (31 dates) | 200,000 (25 dates) | |
| 35,400 (28 dates) | 50,000 (28 dates) | 80,000 (28 dates) | 200,000 (18 dates) | |
| 35,400 (31 dates) | 50,000 (31 dates) | 88,000 (31 dates) | 200,000 (4 dates) | |
| 35,400 (30 dates) | 50,000 (30 dates) | 88,000 (30 dates) | — | |
| 35,400 (31 dates) | 50,000 (31 dates) | 88,000 (31 dates) | — | |
| 35,400 (30 dates) | 50,000 (30 dates) | 200,000 (30 dates) | — | |
| 35,400 (31 dates) | 90,900 (31 dates) | 200,000 (31 dates) | — | |
| 35,400 (31 dates) | 50,000 (31 dates) | 200,000 (31 dates) | — | |
| 35,400 (9 dates) | 50,000 (9 dates) | 200,000 (9 dates) | — |
How to get MileagePlus miles
- Bilt Rewards: 1:1 · Instant
- Chase Ultimate Rewards: 1:1 · Instant
Check current transfer bonuses. Most transfers can't be reversed.
MileagePlus vs other programs on LHR–SFO
Lowest one-way award per program and cabin on this route.
| Program | Economy | Premium Economy | Business | First |
|---|---|---|---|---|
| Aeromexico Club Premier | 73,000 pts + $307.56 | — | 225,000 pts + $493.30 | — |
| Air France/KLM Flying Blue | 21,875 pts + $300.29 | 39,375 pts + $660.89 | 60,000 pts + $787.69 | — |
| Alaska Atmos Rewards | 35,000 pts + $208.89 | 45,000 pts + $438.49 | 70,000 pts + $434.39 | 70,000 pts + $433.69Lowest |
| American Airlines AAdvantage | 21,000 pts + $235.29 | 40,000 pts + $418.49 | 57,500 pts + $418.99 | 85,000 pts + $414.19 |
| Avianca LifeMiles | 40,000 pts + $243.89 | — | 130,640 pts + $63.00 | — |
| Delta SkyMiles | 41,000 pts + $229.97 | 96,000 pts + $421.18 | 320,000 pts + $1,616.10 | 320,000 pts + $426.04 |
| Etihad Guest | 113,000 pts + $470.49 | — | 130,000 pts + $658.09 | — |
| JetBlue True Blue | 26,500 pts + $230.24 | — | — | — |
| Qantas Frequent Flyer | 36,200 pts + $515.30 | 81,500 pts + $1,047.18 | 98,400 pts + $1,588.49 | 166,700 pts + $1,136.05 |
| Qatar Airways Privilege Club | 33,000 pts + taxes not reported | — | 99,000 pts + taxes not reported | — |
| SAS EuroBonus | 30,000 pts + $203.69 | 45,000 pts + $391.59 | 60,000 pts + $391.59 | — |
| TAP Air Portugal Miles&Go | 19,000 pts + $297.86 | — | 190,000 pts + $509.55 | — |
| Turkish Miles & Smiles | 55,000 pts + taxes not reported | — | 175,000 pts + taxes not reported | — |
| United MileagePlus | 34,300 pts + $220.69 | 50,000 pts + $408.59 | 80,000 pts + $414.19 | 200,000 pts + $414.19 |
| Virgin Atlantic Flying Club | 7,000 pts + $334.73Lowest | 16,500 pts + $650.51Lowest | 41,000 pts + $1,003.30Lowest | — |
| Virgin Australia Velocity | 42,000 pts + $228.14 | — | 158,500 pts + $623.27 | — |
Questions about MileagePlus award flights from LHR to SFO
What's the lowest MileagePlus award from London Heathrow to San Francisco?
In economy, 34,300 miles + $220.69. United MileagePlus showed economy award space on 329 departure dates (newest observation Oct 16, 2026, 06:52 UTC). In business, 80,000 miles + $414.19. United MileagePlus showed business award space on 329 departure dates (newest observation Oct 16, 2026, 06:52 UTC). Search live before transferring points.
Can you book nonstop LHR to SFO awards with MileagePlus?
Yes. AwardTool observed nonstop United MileagePlus award space in economy, premium economy and business, from 34,300 miles in economy.
Which credit card points transfer to MileagePlus?
Bilt Rewards (1:1, Instant) and Chase Ultimate Rewards (1:1, Instant). Check current transfer bonuses; most transfers can't be reversed.
Which months had the lowest MileagePlus award prices from LHR to SFO?
Counting only month prices from programs with award space on 2 or more dates that month, and leaving out unusually low outliers, the lowest economy award AwardTool observed was for Dec 2026 departures: 34,300 miles (31 dates). The month table shows every lowest price, including those. Based on dates we observed, not a forecast.