Air France/KLM Flying Blue award flights from London Heathrow (LHR) to Seattle (SEA)
In the last 30 days AwardTool saw Air France/KLM Flying Blue award space for LHR→SEA in economy, premium economy and business class. Lowest economy: 21,875 miles + $302.59 (economy space on 300 dates). Lowest business class: 60,000 miles + $831.13 (business-class space on 229 dates). Lowest premium economy: 40,000 miles + $644.59 (premium economy space on 249 dates).
Data as of
Award prices last changed . AwardTool checks these routes daily; seats change quickly.
- Lowest economy
- 21,875 miles + $302.59
- economy space on 300 dates
- Lowest business class
- 60,000 miles + $831.13
- business-class space on 229 dates
- Lowest premium economy
- 40,000 miles + $644.59
- premium economy space on 249 dates
Flying Blue award prices by cabin
The lowest one-way Air France/KLM Flying Blue award AwardTool observed on LHR→SEA in each cabin, in miles plus taxes.
| Cabin | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| Economy | 21,875 miles + $302.59 | 1 stopNonstop from 28,000 pts | Air France (AF), Delta Air Lines (DL), KLM (KL), SAS (SK) +2 more | 9+ | 300 | See dates | |
| Premium Economy | 40,000 miles + $644.59 | 1 stopNonstop from 45,630 pts | Air France (AF), Delta Air Lines (DL), KLM (KL), SAS (SK) +1 more | 9+ | 249 | See dates | |
| Business | 60,000 miles + $831.13 | 1 stopNonstop from 95,000 pts | Air France (AF), Delta Air Lines (DL), KLM (KL), Virgin Atlantic (VS) | 6 | 229 | 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 Flying Blue award examples
| Departure | Cabin | Points + taxes | Seats | Stops | Observed (UTC) | |
|---|---|---|---|---|---|---|
| Economy | 25,000 miles + $356.49 | 9+ | 1 stop | Check this date | ||
| Economy | 25,000 miles + $356.49 | 7 | 1 stop | Check this date | ||
| Economy | 25,000 miles + $356.39 | 9+ | 1 stop | Check this date | ||
| Premium Economy | 46,460 miles + $584.39 | 1 | Nonstop | Check this date | ||
| Premium Economy | 46,460 miles + $584.39 | 9+ | Nonstop | Check this date | ||
| Premium Economy | 46,460 miles + $584.39 | 9+ | Nonstop | Check this date | ||
| Business | 103,000 miles + $787.89 | 2 | 1 stop | Check this date | ||
| Business | 103,500 miles + $785.59 | 6 | 1 stop | 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 from London Heathrow (LHR) to Seattle (SEA) with Flying Blue
| Month | Economy | Premium Economy | Business |
|---|---|---|---|
| 25,000 (14 dates) | 46,460 (7 dates) | 103,500 (8 dates) | |
| 25,000 (27 dates) | 50,000 (17 dates) | 103,000 (11 dates) | |
| 25,000 (23 dates) | 40,000 (14 dates) | 101,500 (14 dates) | |
| 25,000 (27 dates) | 40,000 (17 dates) | 103,500 (12 dates) | |
| 25,000 (28 dates) | 40,000 (21 dates) | 102,000 (12 dates) | |
| 25,000 (28 dates) | 40,000 (20 dates) | 103,500 (19 dates) | |
| 21,875 (30 dates) | 40,000 (30 dates) | 60,000 (30 dates) | |
| 25,000 (31 dates) | 45,640 (31 dates) | 123,500 (31 dates) | |
| 25,000 (30 dates) | 45,640 (30 dates) | 123,500 (30 dates) | |
| 25,000 (31 dates) | 46,450 (31 dates) | 123,500 (31 dates) | |
| 25,000 (25 dates) | 45,640 (25 dates) | 95,000 (25 dates) | |
| 25,000 (6 dates) | 51,000 (6 dates) | 125,500 (6 dates) |
How to get Flying Blue miles
- American Express Membership Rewards: 1:1 · Instant
- Bilt Rewards: 1:1 · Instant
- Capital One Miles: 1:1 · Instant
- Chase Ultimate Rewards: 1:1 · Instant
- Citi ThankYou Points: 1:1 · Instant
- Wells Fargo Rewards: 1:1 · Instant
Check current transfer bonuses. Most transfers can't be reversed.
Flying Blue vs other programs from London Heathrow (LHR) to Seattle (SEA)
Lowest one-way award per program and cabin on this route.
| Program | Economy | Premium Economy | Business | First |
|---|---|---|---|---|
| Aeromexico Club Premier | 86,000 pts + $307.56 | — | 244,000 pts + $493.30 | — |
| Air France/KLM Flying Blue | 21,875 pts + $302.59 | 40,000 pts + $644.59 | 60,000 pts + $831.13 | — |
| Alaska Atmos Rewards | 27,500 pts + $216.89 | 35,000 pts + $718.49 | 55,000 pts + $872.99 | 55,000 pts + $921.69Lowest |
| American Airlines AAdvantage | 21,000 pts + $235.29 | 40,000 pts + $418.49 | 57,500 pts + $418.49 | 85,000 pts + $413.69 |
| Delta SkyMiles | 46,000 pts + $224.05 | 105,000 pts + $415.53 | 320,000 pts + $420.12 | 320,000 pts + $425.77 |
| Qantas Frequent Flyer | 34,700 pts + $509.65 | 70,800 pts + $1,041.53 | 90,000 pts + $869.17 | 299,300 pts + $1,650.37 |
| Qatar Airways Privilege Club | 25,750 pts + taxes not reported | — | 99,000 pts + taxes not reported | — |
| Virgin Atlantic Flying Club | 7,000 pts + $353.50Lowest | 16,500 pts + $661.21Lowest | 47,000 pts + $1,014.14Lowest | — |
Questions about Flying Blue award flights from London Heathrow (LHR) to Seattle (SEA)
What's the lowest Flying Blue award from London Heathrow (LHR) to Seattle (SEA)?
In economy, 21,875 miles + $302.59. Air France/KLM Flying Blue showed economy award space on 300 departure dates (newest observation Oct 16, 2026, 03:39 UTC). In business class, 60,000 miles + $831.13. Air France/KLM Flying Blue showed business-class award space on 229 departure dates (newest observation Oct 16, 2026, 03:39 UTC). Search live before transferring points.
Can you book nonstop awards from London Heathrow (LHR) to Seattle (SEA) with Flying Blue?
Yes. AwardTool observed nonstop Air France/KLM Flying Blue award space in premium economy and business class, and in economy from 28,000 miles.
Which credit card points can book Flying Blue awards from London Heathrow (LHR) to Seattle (SEA)?
American Express Membership Rewards (1:1, Instant), Bilt Rewards (1:1, Instant), Capital One Miles (1:1, Instant), Chase Ultimate Rewards (1:1, Instant), Citi ThankYou Points (1:1, Instant) and Wells Fargo Rewards (1:1, Instant). Check current transfer bonuses; most transfers can't be reversed.
Which months had the lowest Flying Blue award prices from London Heathrow (LHR) to Seattle (SEA)?
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 Apr 2027 departures: 21,875 miles (30 dates). The month table shows every lowest price, including those. Based on dates we observed, not a forecast.