Economy award flights from Seattle (SEA) to London City (LCY)
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In the last 30 days AwardTool saw economy award space on 6 programs for SEA→LCY. Lowest: 21,000 miles + $5.60 with American Airlines AAdvantage, which showed economy award space on 53 dates. Nonstop economy space was seen via American Airlines AAdvantage.
Prices observed – ; newest observation .
Page regenerated from the Oct 19, 2026 data snapshot (normally daily). Summary last changed . Seats change quickly.
- Lowest observed
- 21,000 miles + $5.60
- American Airlines AAdvantage
- Programs with space
- 6 of 6
- programs seen on this route
- Most dates seen
- 63 of 69
- dates checked · United MileagePlus
- Nonstop
- Seen
- from 22,500 miles + taxes vary
Compare programs for economy
The lowest one-way economy award each program showed on SEA→LCY, sorted by points.
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| American Airlines AAdvantageLowest observed | 21,000 pts + $5.60 | 1 stopNonstop from 22,500 pts | American Airlines (AA), Alaska Airlines (AS), British Airways (BA), Aer Lingus (EI) +1 more | — | 53 | See dates | |
| Delta SkyMiles | 29,400 pts + $43.30 | 1 stop | Delta Air Lines (DL), KLM (KL) | 9+ | 24 | See dates | |
| Air France/KLM Flying Blue | 33,000 pts + $190.50 | 2 stops | Air France (AF), Delta Air Lines (DL), KLM (KL), WestJet (WS) | 9+ | 53 | See dates | |
| Air Canada Aeroplan | 42,500 pts + $127.41 | 1 stop | Air Canada (AC), Air Dolomiti (EN), Lufthansa (LH), SWISS (LX) | 8 | 34 | See dates | |
| Alaska Atmos Rewards | 42,500 pts + $37.00 | 2 stops | American Airlines (AA), British Airways (BA) | 3 | 15 | See dates | |
| United MileagePlus | 44,000 pts + $30.40 | 2 stops | Eurowings Discover (4Y), Air Canada (AC), ITA Airways (AZ), JetBlue (B6) +11 more | 9+ | 63 | 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 economy award examples
| Departure | Program | Points + taxes | Seats | Stops | Observed (UTC) | |
|---|---|---|---|---|---|---|
| American Airlines AAdvantage | 22,500 pts + $5.60 | — | 1 stop | Check this date | ||
| American Airlines AAdvantage | 22,500 pts + $5.60 | — | 1 stop | Check this date | ||
| Air France/KLM Flying Blue | 33,000 pts + $190.50 | 9+ | 2 stops | Check this date | ||
| Delta SkyMiles | 37,200 pts + $44.10 | 9+ | 1 stop | Check this date | ||
| Air Canada Aeroplan | 42,500 pts + $127.41 | 8 | 1 stop | Check this date | ||
| Air Canada Aeroplan | 42,500 pts + $127.81 | 9+ | 1 stop | Check this date | ||
| Alaska Atmos Rewards | 42,500 pts + $37.00 | 8 | 2 stops | Check this date | ||
| United MileagePlus | 44,000 pts + $30.50 | 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 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.
How often economy award space showed up
Departure dates in the next 365 days that AwardTool checked for each program in the last 30 days, how many had economy award space at any price, and the latest departure with space.
| Program | Dates with space | Share of dates checked | Latest departure with space |
|---|---|---|---|
| American Airlines AAdvantage | 53 of 76 | 69% | |
| Delta SkyMiles | 24 of 60 | 40% | |
| Air France/KLM Flying Blue | 53 of 65 | 81% | |
| Air Canada Aeroplan | 34 of 65 | 52% | |
| Alaska Atmos Rewards | 15 of 59 | 25% | |
| United MileagePlus | 63 of 69 | 91% |
Nonstop economy award space
- American Airlines AAdvantage: nonstop from 22,500 miles; nonstop space on 16 dates.
Best months for economy from Seattle (SEA) to London City (LCY)
| Month | Lowest observed | Program | Dates |
|---|---|---|---|
| 30,000 pts + taxes vary | American Airlines AAdvantage | 1 | |
| 22,500 pts + taxes vary | American Airlines AAdvantage | 8 | |
| 22,500 pts + taxes vary | American Airlines AAdvantage | 10 | |
| 30,000 pts + taxes vary | American Airlines AAdvantage | 1 | |
| 22,500 pts + taxes vary | American Airlines AAdvantage | 2 | |
| 42,500 pts + taxes vary | Air Canada Aeroplan | 1 | |
| 21,000 pts + taxes vary | American Airlines AAdvantage | 18 | |
| 30,000 pts + taxes vary | American Airlines AAdvantage | 5 | |
| 21,000 pts + taxes vary | American Airlines AAdvantage | 6 | |
| 42,500 pts + taxes vary | Air Canada Aeroplan | 1 | |
| 21,000 pts + taxes vary | American Airlines AAdvantage | 2 |
Lowest economy award by month and program
Each program's lowest one-way economy award by departure month, in its own points or miles; taxes vary. — means the program showed no economy space that month.
| Program | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| American Airlines AAdvantagemiles | 30,000 | 22,500 | 22,500 | 30,000 | 22,500 | — | 21,000 | 30,000 | 21,000 | — | 21,000 |
| Delta SkyMilesmiles | — | 37,200 | 415,200 | 33,000 | 29,400 | — | 38,900 | 113,800 | 74,400 | — | — |
| Air France/KLM Flying Bluemiles | 86,500 | 45,500 | 33,000 | 33,000 | 47,000 | 95,000 | 33,000 | 36,000 | 46,500 | — | — |
| Air Canada Aeroplanpoints | 42,500 | 42,500 | — | 42,500 | 42,500 | 42,500 | 42,500 | 42,500 | 42,500 | 42,500 | — |
| Alaska Atmos Rewardspoints | 42,500 | 42,500 | 42,500 | — | 42,500 | — | 42,500 | 42,500 | — | — | — |
| United MileagePlusmiles | 44,000 | 44,000 | 44,000 | 44,000 | 44,000 | — | 44,000 | 44,000 | 44,000 | 44,000 | — |
Airlines seen in economy
Airlines that appeared on the award itineraries AwardTool observed, and the programs that showed them.
- Eurowings Discover (4Y): United MileagePlus
- American Airlines (AA): American Airlines AAdvantage and Alaska Atmos Rewards
- Air Canada (AC): Air Canada Aeroplan and United MileagePlus
- Air France (AF): Air France/KLM Flying Blue
- Alaska Airlines (AS): American Airlines AAdvantage
- ITA Airways (AZ): United MileagePlus
- JetBlue (B6): United MileagePlus
- British Airways (BA): American Airlines AAdvantage and Alaska Atmos Rewards
- Delta Air Lines (DL): Delta SkyMiles and Air France/KLM Flying Blue
- Aer Lingus (EI): American Airlines AAdvantage and United MileagePlus
- Air Dolomiti (EN): Air Canada Aeroplan and United MileagePlus
- Eurowings (EW): United MileagePlus
- IBERIA (IB): American Airlines AAdvantage
- KLM (KL): Delta SkyMiles and Air France/KLM Flying Blue
- Lufthansa (LH): Air Canada Aeroplan and United MileagePlus
- SWISS (LX): Air Canada Aeroplan and United MileagePlus
- Austrian (OS): United MileagePlus
- Brussels Airlines (SN): United MileagePlus
- Singapore Airlines (SQ): United MileagePlus
- Turkish Airlines (TK): United MileagePlus
- United Airlines (UA): United MileagePlus
- Lufthansa City Airlines (VL): United MileagePlus
- WestJet (WS): Air France/KLM Flying Blue
Economy on nearby routes
The lowest economy award AwardTool observed on related routes, as each route's page shows it: the return direction, other airports in the same cities, and more routes from Seattle (SEA) and to London City (LCY). One way, in the program's points or miles; taxes are on each route's page.
| Route | Lowest observed | Program | Dates seen |
|---|---|---|---|
| London City (LCY) to Seattle (SEA)Return direction | 21,000 miles | American Airlines AAdvantage | 31 |
| Seattle (SEA) to London Heathrow (LHR)Another London airport | 9,500 milesNonstop | GOL Smiles | 275 |
| Seattle (SEA) to London Gatwick (LGW)Another London airport | 21,000 miles | American Airlines AAdvantage | 73 |
| Seattle (SEA) to Paris Charles de Gaulle (CDG)Also from SEA | 9,500 miles | GOL Smiles | 329 |
| Seattle (SEA) to Amsterdam (AMS)Also from SEA | 9,500 miles | GOL Smiles | 187 |
| Seattle (SEA) to Bangkok Suvarnabhumi (BKK)Also from SEA | 27,000 miles | Cathay Pacific Asia Miles | 30 |
| New York JFK to London City (LCY)Also to LCY | 9,500 miles | GOL Smiles | 59 |
| San Francisco (SFO) to London City (LCY)Also to LCY | 15,000 points | Virgin Atlantic Flying Club | 13 |
Points that transfer to these programs
| Program | Amex | Bilt | Capital One | Chase | Citi | Wells Fargo |
|---|---|---|---|---|---|---|
| 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 | — |
| Delta SkyMiles | 1:1 · Instant | — | — | — | — | — |
| United MileagePlus | — | 1:1 · Instant | — | 1:1 · Instant | — | — |
Check current transfer bonuses. Most transfers can't be reversed.
Questions about economy award flights from Seattle (SEA) to London City (LCY)
What's the lowest economy award from Seattle (SEA) to London City (LCY)?
21,000 miles + $5.60 with American Airlines AAdvantage. American Airlines AAdvantage showed economy award space on 53 departure dates at any price (newest observation Oct 19, 2026, 18:02 UTC). Search live before transferring points.
Which programs had economy award space from Seattle (SEA) to London City (LCY)?
American Airlines AAdvantage (53 dates), Delta SkyMiles (24 dates), Air France/KLM Flying Blue (53 dates), Air Canada Aeroplan (34 dates), Alaska Atmos Rewards (15 dates) and United MileagePlus (63 dates), in the last 30 days.
Is there nonstop economy award space from Seattle (SEA) to London City (LCY)?
Yes. AwardTool observed nonstop economy award space via American Airlines AAdvantage. The lowest nonstop award was 22,500 miles with American Airlines AAdvantage, which showed nonstop economy space on 16 dates.
Which months had the lowest economy award prices from Seattle (SEA) to London City (LCY)?
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: 21,000 miles with AAdvantage (18 dates). The month table shows every lowest price, including those. Based on dates we observed, not a forecast.