Award flights from Seattle (SEA) to London Heathrow (LHR)

In the last 30 days AwardTool saw award space on 15 programs for SEA→LHR. Lowest economy: 21,000 miles + $5.60 (American Airlines AAdvantage). Lowest business: 47,000 points + $690.40 (Virgin Atlantic Flying Club). Lowest first: 55,000 points + $1,004.00 (Alaska Atmos Rewards).

Data as of Oct 16, 2026, 06:38 UTC

Award prices last changed Oct 16, 2026. AwardTool checks these routes daily; seats change quickly.

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SEA to LHR at a glance

From: Seattle-Tacoma International, Seattle, United States (SEA)
To: London Heathrow Airport, London, United Kingdom (LHR)
Programs with award space seen: 15 of 20 programs tracked on this route
Nonstop award space seen: Yes, in economy, premium economy, business and first, via American Airlines AAdvantage, Alaska Atmos Rewards, Delta SkyMiles, Air France/KLM Flying Blue, Qantas Frequent Flyer, Qatar Airways Privilege Club and Virgin Atlantic Flying Club
Airlines seen on these awards: American Airlines (AA), Air Canada (AC), Air France (AF), Aeromexico (AM), Alaska Airlines (AS), Finnair (AY), JetBlue (B6), British Airways (BA), Condor (DE), Delta Air Lines (DL), Aer Lingus (EI), Emirates (EK) and 9 more
Departures with open awards: Oct 2026 to Oct 2027
Observation window: Awards observed in the last 30 days
Destination guide: Award flights to London Heathrow (LHR)

Compare programs by cabin

The lowest one-way award each program showed in each cabin, sorted by points.

Economy

Program	Points + taxes	Stops	Airlines seen	Seats	Dates seen	Newest observation
Virgin Atlantic Flying ClubLowest observed	7,000 pts + $161.30	Nonstop	Air France (AF), Delta Air Lines (DL), Virgin Atlantic (VS)	1	237	Oct 16, 2026, 05:44 UTC	See dates
American Airlines AAdvantage	21,000 pts + $5.60	1 stopNonstop from 22,500 pts	American Airlines (AA), Alaska Airlines (AS), Finnair (AY), British Airways (BA) +1 more	—	325	Oct 16, 2026, 05:46 UTC	See dates
JetBlue True Blue	22,500 pts + $152.80	1 stop	JetBlue (B6), Icelandair (FI), United Airlines (UA)	6	259	Oct 16, 2026, 05:20 UTC	See dates
Air France/KLM Flying Blue	23,437 pts + $154.10	1 stopNonstop from 28,437 pts	Air France (AF), Delta Air Lines (DL), KLM (KL), Virgin Atlantic (VS) +1 more	9+	299	Oct 16, 2026, 06:38 UTC	See dates
Delta SkyMiles	25,000 pts + $5.60	Nonstop	Air France (AF), Aeromexico (AM), Delta Air Lines (DL), KLM (KL) +2 more	9+	331	Oct 16, 2026, 05:20 UTC	See dates
Qatar Airways Privilege Club	25,750 pts + taxes not reported	Nonstop	Alaska Airlines (AS), British Airways (BA), Qatar Airways (QR)	7	324	Oct 16, 2026, 05:20 UTC	See dates
Alaska Atmos Rewards	27,500 pts + $30.40	1 stopNonstop from 30,000 pts	American Airlines (AA), Alaska Airlines (AS), Finnair (AY), British Airways (BA) +3 more	4	331	Oct 16, 2026, 04:11 UTC	See dates
Qantas Frequent Flyer	34,700 pts + $29.00	Nonstop	American Airlines (AA), Alaska Airlines (AS), Finnair (AY), British Airways (BA) +1 more	1	321	Oct 16, 2026, 04:06 UTC	See dates
Air Canada Aeroplan	40,000 pts + $75.71	1 stop	Air Canada (AC), Lufthansa (LH), Turkish Airlines (TK), United Airlines (UA) +1 more	9+	352	Oct 16, 2026, 05:20 UTC	See dates
United MileagePlus	40,000 pts + $5.60	1 stop	Air Canada (AC), JetBlue (B6), Aer Lingus (EI), Lufthansa (LH) +3 more	9+	337	Oct 16, 2026, 04:06 UTC	See dates
Avianca LifeMiles	41,000 pts + $58.00	2 stops	Air Canada (AC), Lufthansa (LH), United Airlines (UA)	6	211	Oct 16, 2026, 05:20 UTC	See dates
Virgin Australia Velocity	42,000 pts + $9.33	1 stop	Qatar Airways (QR), United Airlines (UA)	1	192	Oct 16, 2026, 03:04 UTC	See dates
Turkish Miles & Smiles	55,000 pts + taxes not reported	1 stop	Turkish Airlines (TK)	1	324	Oct 16, 2026, 04:06 UTC	See dates
Etihad Guest	60,000 pts + $33.50	1 stop	Air Canada (AC), Air France (AF)	9+	20	Oct 16, 2026, 01:03 UTC	See dates
Aeromexico Club Premier	86,000 pts + $98.51	1 stop	Aeromexico (AM)	9+	331	Oct 16, 2026, 04:06 UTC	See dates

Premium Economy

Program	Points + taxes	Stops	Airlines seen	Seats	Dates seen	Newest observation
Virgin Atlantic Flying ClubLowest observed	16,500 pts + $293.60	Nonstop	Air France (AF), Delta Air Lines (DL), Virgin Atlantic (VS)	1	183	Oct 16, 2026, 05:44 UTC	See dates
Alaska Atmos Rewards	35,000 pts + $549.00	1 stop	American Airlines (AA), Alaska Airlines (AS), Finnair (AY), British Airways (BA)	9+	259	Oct 16, 2026, 04:11 UTC	See dates
American Airlines AAdvantage	40,000 pts + $533.50	Nonstop	American Airlines (AA), Alaska Airlines (AS), British Airways (BA)	—	323	Oct 16, 2026, 05:46 UTC	See dates
Air France/KLM Flying Blue	40,000 pts + $242.80	1 stopNonstop from 45,750 pts	Air France (AF), Delta Air Lines (DL), KLM (KL), Virgin Atlantic (VS)	9+	240	Oct 16, 2026, 05:44 UTC	See dates
United MileagePlus	50,000 pts + $5.60	1 stop	JetBlue (B6), United Airlines (UA)	7	337	Oct 16, 2026, 04:06 UTC	See dates
Air Canada Aeroplan	67,824 pts + $48.31	2 stops	Air Canada (AC), Emirates (EK), Lufthansa (LH), United Airlines (UA) +1 more	3	352	Oct 16, 2026, 05:20 UTC	See dates
Qantas Frequent Flyer	70,800 pts + $1,629.00	Nonstop	American Airlines (AA), Alaska Airlines (AS), Finnair (AY), British Airways (BA) +1 more	1	199	Oct 16, 2026, 03:14 UTC	See dates
Delta SkyMiles	75,000 pts + $5.60	Nonstop	Air France (AF), Delta Air Lines (DL), KLM (KL)	2	330	Oct 16, 2026, 05:20 UTC	See dates

Not seen in premium economy: Aeromexico Club Premier, Avianca LifeMiles, JetBlue True Blue, Etihad Guest, Qatar Airways Privilege Club, Turkish Miles & Smiles and Virgin Australia Velocity.

Business

Program	Points + taxes	Stops	Airlines seen	Seats	Dates seen	Newest observation
Virgin Atlantic Flying ClubLowest observed	47,000 pts + $690.40	Nonstop	Virgin Atlantic (VS)	1	176	Oct 16, 2026, 05:44 UTC	See dates
Alaska Atmos Rewards	55,000 pts + $30.40	1 stopNonstop from 95,000 pts · Mixed cabin	American Airlines (AA), Alaska Airlines (AS), Finnair (AY), British Airways (BA) +2 more	4	330	Oct 16, 2026, 04:11 UTC	See dates
American Airlines AAdvantage	57,500 pts + $733.50	Nonstop	American Airlines (AA), Alaska Airlines (AS), British Airways (BA)	—	325	Oct 16, 2026, 05:46 UTC	See dates
Air Canada Aeroplan	75,000 pts + $99.51	1 stop	Air Canada (AC), Emirates (EK), Lufthansa (LH), United Airlines (UA) +1 more	3	352	Oct 16, 2026, 05:20 UTC	See dates
Qatar Airways Privilege Club	77,250 pts + taxes not reported	Nonstop	Alaska Airlines (AS), British Airways (BA), Qatar Airways (QR)	2	170	Oct 16, 2026, 05:20 UTC	See dates
United MileagePlus	80,000 pts + $5.60	1 stopMixed cabin	Aer Lingus (EI), Lufthansa (LH), United Airlines (UA), Lufthansa City Airlines (VL)	1	337	Oct 16, 2026, 04:06 UTC	See dates
Etihad Guest	80,000 pts + $33.50	1 stopMixed cabin	Air Canada (AC)	3	2	Oct 16, 2026, 01:04 UTC	See dates
Qantas Frequent Flyer	90,000 pts + $29.00	Nonstop	American Airlines (AA), Alaska Airlines (AS), Finnair (AY), British Airways (BA)	1	174	Oct 16, 2026, 03:14 UTC	See dates
Air France/KLM Flying Blue	95,000 pts + $234.90	Nonstop	Air France (AF), Delta Air Lines (DL), KLM (KL), Virgin Atlantic (VS)	1	227	Oct 16, 2026, 05:20 UTC	See dates
Delta SkyMiles	125,000 pts + $5.60	Nonstop	Air France (AF), Aeromexico (AM), Delta Air Lines (DL), KLM (KL) +1 more	9+	329	Oct 16, 2026, 05:20 UTC	See dates
JetBlue True Blue	136,100 pts + $152.80	1 stop	Icelandair (FI)	5	131	Oct 16, 2026, 05:20 UTC	See dates
Turkish Miles & Smiles	175,000 pts + taxes not reported	1 stop	Turkish Airlines (TK)	1	321	Oct 16, 2026, 04:06 UTC	See dates
Aeromexico Club Premier	244,000 pts + $98.51	1 stop	Aeromexico (AM)	2	322	Oct 16, 2026, 04:06 UTC	See dates

Not seen in business: Avianca LifeMiles and Virgin Australia Velocity.

First

Program	Points + taxes	Stops	Airlines seen	Seats	Dates seen	Newest observation
Alaska Atmos RewardsLowest observed	55,000 pts + $1,004.00	1 stop	American Airlines (AA), Alaska Airlines (AS), British Airways (BA), Icelandair (FI)	5	197	Oct 16, 2026, 04:10 UTC	See dates
American Airlines AAdvantage	85,000 pts + $1,633.50	Nonstop	American Airlines (AA), Alaska Airlines (AS), British Airways (BA)	—	32	Oct 15, 2026, 21:58 UTC	See dates
Qatar Airways Privilege Club	93,500 pts + taxes not reported	Nonstop	British Airways (BA)	1	6	Oct 15, 2026, 15:23 UTC	See dates
Delta SkyMiles	125,000 pts + $5.60	1 stop	Delta Air Lines (DL), Virgin Atlantic (VS)	7	331	Oct 16, 2026, 05:20 UTC	See dates
Qantas Frequent Flyer	129,200 pts + $1,629.00	Nonstop	British Airways (BA)	1	4	Oct 16, 2026, 03:14 UTC	See dates
Air Canada Aeroplan	395,047 pts + $113.01	2 stopsMixed cabin	Air Canada (AC), United Airlines (UA)	1	3	Oct 16, 2026, 00:53 UTC	See dates

Not seen in first: Aeromexico Club Premier, Avianca LifeMiles, JetBlue True Blue, Etihad Guest, Air France/KLM Flying Blue, Turkish Miles & Smiles, United MileagePlus, Virgin Australia Velocity and Virgin Atlantic Flying Club.

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 award examples

Awards AwardTool observed for departures in the next 60 days (one way, per traveler)
Departure	Cabin	Program	Points + taxes	Seats	Stops	Observed (UTC)
Oct 18, 2026	Economy	Virgin Atlantic Flying Club	15,000 pts + $319.00	1	Nonstop	Oct 16, 2026, 04:53 UTC	Check this date
Oct 24, 2026	Premium Economy	Alaska Atmos Rewards	35,000 pts + $549.00	9+	1 stop	Oct 14, 2026, 16:39 UTC	Check this date
Oct 20, 2026	Premium Economy	Virgin Atlantic Flying Club	37,500 pts + $729.00	2	Nonstop	Oct 16, 2026, 00:53 UTC	Check this date
Oct 17, 2026	Business	Alaska Atmos Rewards	55,000 pts + $1,004.00	5	1 stop	Oct 15, 2026, 12:35 UTC	Check this date
Oct 18, 2026	Business	American Airlines AAdvantage	57,500 pts + $733.50	—	Nonstop	Oct 15, 2026, 09:33 UTC	Check this date
Oct 18, 2026	First	American Airlines AAdvantage	85,000 pts + $1,633.50	—	Nonstop	Oct 15, 2026, 09:33 UTC	Check this date
Oct 18, 2026	First	Qatar Airways Privilege Club	93,500 pts + taxes not reported	4	Nonstop	Oct 15, 2026, 15:23 UTC	Check this date
Oct 16, 2026	First	Qantas Frequent Flyer	129,200 pts + $1,629.00	1	Nonstop	Oct 15, 2026, 12:35 UTC	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.

Nonstop award space

Economy: nonstop from 7,000 points via Virgin Atlantic Flying Club, which showed nonstop space on 184 dates (7 programs had nonstop space).
Premium Economy: nonstop from 16,500 points via Virgin Atlantic Flying Club, which showed nonstop space on 176 dates (5 programs had nonstop space).
Business: nonstop from 47,000 points via Virgin Atlantic Flying Club, which showed nonstop space on 176 dates (7 programs had nonstop space).
First: nonstop from 85,000 miles via American Airlines AAdvantage, which showed nonstop space on 4 dates (3 programs had nonstop space).

Best months to fly SEA to LHR on points

Lowest prices among the dates we observed, by departure month. A record, not a forecast.
Month	Economy	Premium Economy	Business	First
Oct 2026	15,000 · Virgin (12 dates)	35,000 · Atmos (12 dates)	55,000 · Atmos (16 dates)	70,000 · Atmos (9 dates)
Nov 2026	15,000 · Virgin (7 dates)	35,000 · Atmos (16 dates)	55,000 · Atmos (29 dates)	55,000 · Atmos (12 dates)
Dec 2026	22,500 · AAdvantage (30 dates)	35,000 · Atmos (17 dates)	55,000 · Atmos (31 dates)	70,000 · Atmos (9 dates)
Jan 2027	15,000 · Virgin (20 dates)	35,000 · Atmos (27 dates)	55,000 · Atmos (31 dates)	55,000 · Atmos (25 dates)
Feb 2027	15,000 · Virgin (22 dates)	35,000 · Atmos (27 dates)	55,000 · Atmos (28 dates)	55,000 · Atmos (13 dates)
Mar 2027	15,000 · Virgin (4 dates)	23,000 · Virgin (4 dates)	57,500 · AAdvantage (29 dates)	85,000 · Atmos (8 dates)
Apr 2027	7,000 · Virgin (30 dates)	16,500 · Virgin (30 dates)	47,000 · Virgin (30 dates)	55,000 · Atmos (20 dates)
May 2027	9,000 · Virgin (31 dates)	16,500 · Virgin (31 dates)	57,500 · AAdvantage (31 dates)	70,000 · Atmos (21 dates)
Jun 2027	9,000 · Virgin (30 dates)	26,000 · Virgin (30 dates)	57,500 · AAdvantage (30 dates)	55,000 · Atmos (19 dates)
Jul 2027	15,000 · Virgin (31 dates)	23,000 · Virgin (31 dates)	55,000 · Atmos (31 dates)	55,000 · Atmos (26 dates)
Aug 2027	15,000 · Virgin (31 dates)	23,000 · Virgin (31 dates)	55,000 · Atmos (31 dates)	55,000 · Atmos (28 dates)
Sep 2027	9,000 · Virgin (11 dates)	40,000 · AAdvantage (11 dates)	55,000 · Atmos (11 dates)	85,000 · Atmos (7 dates)
Oct 2027	25,000 · Flying Blue (3 dates)	70,800 · Qantas (2 dates)	90,000 · Qantas (1 date)	—

Points that transfer to these programs

Bank points to program miles or points: ratio and typical transfer time
Program	Amex	Bilt	Capital One	Chase	Citi	Wells Fargo
Aeromexico Club Premier	1:1.6 · ~2 days	—	1:1 · Instant	—	—	—
Air Canada Aeroplan	1:1 · Instant	1:1 · Instant	1:1 · Instant	1:1 · Instant	—	—
Air France/KLM Flying Blue	1:1 · Instant	1:1 · Instant	1:1 · Instant	1:1 · Instant	1:1 · Instant	1:1 · Instant
Alaska Atmos Rewards	—	1:1 · ~1 day	—	—	—	—
American Airlines AAdvantage	—	—	—	—	1:1 · Instant	—
Avianca LifeMiles	1:1 · Instant	1:1 · Instant	1:1 · Instant	—	1:1 · Instant	1:1 · Instant
Delta SkyMiles	1:1 · Instant	—	—	—	—	—
Etihad Guest	—	1:1 · Instant	1:1 · ~1 day	—	1:1 · Instant	—
JetBlue True Blue	5:4 · Instant	—	1:0.6 · Instant	1:1 · Instant	1:1 · Instant	1:1 · Instant
Qantas Frequent Flyer	1:1 · Instant	—	1:1 · ~1-2 days	—	1:1 · Instant	—
Qatar Airways Privilege Club	1:1 · Instant	1:1 · Instant	1:1 · Instant	—	1:1 · ~1-2 days	—
Turkish Miles & Smiles	—	1:1 · Instant	1:1 · Instant	—	1:1 · ~1 day	—
United MileagePlus	—	1:1 · Instant	—	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. No bank transfers to Virgin Australia Velocity.

Search, calendar and alerts for SEA to LHR

Route calendar

Every departure date with open award seats on SEA→LHR for Delta SkyMiles and the other programs: a limited window on the free plan and 365 days with Pro.

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Questions about SEA to LHR award flights

What's the lowest Seattle to London Heathrow award price AwardTool has seen?

In economy, 21,000 miles + $5.60 with American Airlines AAdvantage. American Airlines AAdvantage showed economy award space on 325 departure dates (newest observation Oct 16, 2026, 05:46 UTC). In business, 47,000 points + $690.40 with Virgin Atlantic Flying Club. Virgin Atlantic Flying Club showed business award space on 176 departure dates (newest observation Oct 16, 2026, 05:44 UTC). Search live before transferring points.

Which loyalty programs had award space on SEA→LHR?

15 programs in the last 30 days: American Airlines AAdvantage (economy 325 dates, premium economy 323 dates, business 325 dates, first 32 dates); Air Canada Aeroplan (economy 352 dates, premium economy 352 dates, business 352 dates, first 3 dates); Aeromexico Club Premier (economy 331 dates, business 322 dates); Alaska Atmos Rewards (economy 331 dates, premium economy 259 dates, business 330 dates, first 197 dates); Avianca LifeMiles (economy 211 dates); JetBlue True Blue (economy 259 dates, business 131 dates); Delta SkyMiles (economy 331 dates, premium economy 330 dates, business 329 dates, first 331 dates); Etihad Guest (economy 20 dates, business 2 dates) and 7 more. Dates count departure dates with an open award.

Is there nonstop award space from SEA to LHR?

Yes. AwardTool observed nonstop award space in economy, premium economy, business and first, bookable via American Airlines AAdvantage, Alaska Atmos Rewards, Delta SkyMiles, Air France/KLM Flying Blue, Qantas Frequent Flyer, Qatar Airways Privilege Club and Virgin Atlantic Flying Club. The lowest nonstop award in economy was 7,000 points with Virgin Atlantic Flying Club.

Which credit card points transfer to these programs?

American Express Membership Rewards: Air Canada Aeroplan (1:1), Aeromexico Club Premier (1:1.6), Avianca LifeMiles (1:1), JetBlue True Blue (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), Etihad Guest (1:1), Air France/KLM Flying Blue (1:1), Qatar Airways Privilege Club (1:1), Turkish Miles & Smiles (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 True Blue (1:0.6), 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). Chase Ultimate Rewards: Air Canada Aeroplan (1:1), JetBlue True Blue (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 True Blue (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 True Blue (1:1), Air France/KLM Flying Blue (1:1), Virgin Atlantic Flying Club (1:1). Ratios come from AwardTool's transfer partner list; check current bonuses first.

Which months had the lowest SEA→LHR award prices?

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 May 2027 departures, 9,000 points with Virgin (31 dates); in business, the lowest award was for Apr 2027 departures, 47,000 points with Virgin (30 dates). The month table shows every lowest price, including those. Based on dates we observed, not a forecast.