Economy award flights from Seattle (SEA) to Bilbao (BIO)
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In the last 30 days AwardTool saw economy award space on 5 programs for SEA→BIO. Lowest: 22,500 miles + $59.20 with American Airlines AAdvantage, which showed economy award space on 10 dates. No nonstop economy award was seen in the last 30 days.
Prices observed – ; newest observation .
Page regenerated from the Oct 19, 2026 data snapshot (normally daily). Summary last changed . Seats change quickly.
- Lowest observed
- 22,500 miles + $59.20
- American Airlines AAdvantage
- Programs with space
- 5 of 5
- programs seen on this route
- Most dates seen
- 16 of 16
- dates checked · Air France/KLM Flying Blue
- Nonstop
- Not seen
- in the last 30 days
Compare programs for economy
The lowest one-way economy award each program showed on SEA→BIO, sorted by points.
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| American Airlines AAdvantageLowest observed | 22,500 pts + $59.20 | 2 stops | American Airlines (AA), Alaska Airlines (AS), British Airways (BA), Aer Lingus (EI) +1 more | — | 10 | See dates | |
| Air France/KLM Flying Blue | 25,000 pts + $155.80 | 1 stop | Air France (AF), Delta Air Lines (DL), KLM (KL), Air Europa (UX) +1 more | 9+ | 16 | See dates | |
| Alaska Atmos Rewards | 35,000 pts + $30.50 | 1 stop | Alaska Airlines (AS), Aer Lingus (EI), IBERIA (IB) | 4 | 15 | See dates | |
| Air Canada Aeroplan | 42,500 pts + $120.51 | 1 stop | Eurowings Discover (4Y), Air Canada (AC), Air Dolomiti (EN), Eurowings (EW) +6 more | 9+ | 14 | See dates | |
| United MileagePlus | 44,000 pts + $13.50 | 2 stops | Air Canada (AC), Aer Lingus (EI), Eurowings (EW), Lufthansa (LH) +7 more | 6 | 15 | 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 | 30,000 pts + $59.00 | — | 2 stops | Check this date | ||
| United MileagePlus | 44,000 pts + $13.50 | 6 | 2 stops | Check this date | ||
| Air Canada Aeroplan | 60,000 pts + $83.61 | 8 | 1 stop | Check this date | ||
| Air France/KLM Flying Blue | 68,000 pts + $153.60 | 4 | 1 stop | Check this date | ||
| Alaska Atmos Rewards | 200,000 pts + $29.00 | 4 | 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 | 10 of 19 | 52% | |
| Air France/KLM Flying Blue | 16 of 16 | 100% | |
| Alaska Atmos Rewards | 15 of 16 | 93% | |
| Air Canada Aeroplan | 14 of 16 | 87% | |
| United MileagePlus | 15 of 16 | 93% |
Best months for economy from Seattle (SEA) to Bilbao (BIO)
| Month | Lowest observed | Program | Dates |
|---|---|---|---|
| 30,000 pts + taxes vary | American Airlines AAdvantage | 1 | |
| 22,500 pts + taxes vary | American Airlines AAdvantage | 2 | |
| 25,000 pts + taxes vary | Air France/KLM Flying Blue | 1 | |
| 25,000 pts + taxes vary | Air France/KLM Flying Blue | 3 | |
| 30,000 pts + taxes vary | Air France/KLM Flying Blue | 2 | |
| 30,000 pts + taxes vary | American Airlines AAdvantage | 3 | |
| 30,000 pts + taxes vary | American Airlines AAdvantage | 1 |
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 | 30,000 | 30,000 | — | 30,000 | 30,000 |
| Air France/KLM Flying Bluemiles | 68,000 | 49,000 | 25,000 | 25,000 | 30,000 | 31,000 | 44,500 |
| Alaska Atmos Rewardspoints | 200,000 | 42,500 | 87,500 | 35,000 | 87,500 | 87,500 | 87,500 |
| Air Canada Aeroplanpoints | 60,000 | 42,500 | 49,005 | 42,500 | 60,000 | 42,500 | — |
| United MileagePlusmiles | 44,000 | 44,000 | 44,000 | 44,000 | 51,500 | 44,000 | 55,700 |
Airlines seen in economy
Airlines that appeared on the award itineraries AwardTool observed, and the programs that showed them.
- Eurowings Discover (4Y): Air Canada Aeroplan
- American Airlines (AA): American Airlines AAdvantage
- Air Canada (AC): Air Canada Aeroplan and United MileagePlus
- Air France (AF): Air France/KLM Flying Blue
- Alaska Airlines (AS): American Airlines AAdvantage and Alaska Atmos Rewards
- British Airways (BA): American Airlines AAdvantage
- Delta Air Lines (DL): Air France/KLM Flying Blue
- Aer Lingus (EI): American Airlines AAdvantage, Alaska Atmos Rewards and United MileagePlus
- Air Dolomiti (EN): Air Canada Aeroplan
- Eurowings (EW): Air Canada Aeroplan and United MileagePlus
- IBERIA (IB): American Airlines AAdvantage and Alaska Atmos Rewards
- KLM (KL): Air France/KLM Flying Blue
- Lufthansa (LH): Air Canada Aeroplan and United MileagePlus
- SWISS (LX): Air Canada Aeroplan
- Austrian (OS): United MileagePlus
- Brussels Airlines (SN): Air Canada Aeroplan and United MileagePlus
- Singapore Airlines (SQ): United MileagePlus
- Turkish Airlines (TK): Air Canada Aeroplan and United MileagePlus
- TAP Portugal (TP): United MileagePlus
- United Airlines (UA): Air Canada Aeroplan and United MileagePlus
- Air Europa (UX): Air France/KLM Flying Blue
- Lufthansa City Airlines (VL): Air Canada Aeroplan and United MileagePlus
- Virgin Atlantic (VS): 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 Bilbao (BIO). One way, in the program's points or miles; taxes are on each route's page.
| Route | Lowest observed | Program | Dates seen |
|---|---|---|---|
| Bilbao (BIO) to Seattle (SEA)Return direction | 25,000 miles | Air France/KLM Flying Blue | 18 |
| Seattle (SEA) to London Heathrow (LHR)Also from SEA | 9,500 milesNonstop | GOL Smiles | 275 |
| 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 | 184 |
| Seattle (SEA) to Bangkok Suvarnabhumi (BKK)Also from SEA | 27,000 miles | Cathay Pacific Asia Miles | 30 |
| Chicago O’Hare (ORD) to Bilbao (BIO)Also to BIO | 9,500 miles | GOL Smiles | 117 |
| Lisbon (LIS) to Bilbao (BIO)Also to BIO | 4,000 points | Virgin Atlantic Flying Club | 6 |
| San Francisco (SFO) to Bilbao (BIO)Also to BIO | 18,750 miles | Air France/KLM Flying Blue | 49 |
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 | — |
| 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 Bilbao (BIO)
What's the lowest economy award from Seattle (SEA) to Bilbao (BIO)?
22,500 miles + $59.20 with American Airlines AAdvantage. American Airlines AAdvantage showed economy award space on 10 departure dates at any price (newest observation Oct 5, 2026, 19:47 UTC). Search live before transferring points.
Which programs had economy award space from Seattle (SEA) to Bilbao (BIO)?
American Airlines AAdvantage (10 dates), Air France/KLM Flying Blue (16 dates), Alaska Atmos Rewards (15 dates), Air Canada Aeroplan (14 dates) and United MileagePlus (15 dates), in the last 30 days.
Is there nonstop economy award space from Seattle (SEA) to Bilbao (BIO)?
AwardTool hasn't observed nonstop economy award space on this route in the last 30 days. That doesn't mean nonstop space never appears.
Which months had the lowest economy award prices from Seattle (SEA) to Bilbao (BIO)?
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 Feb 2027 departures: 22,500 miles with AAdvantage (2 dates). The month table shows every lowest price, including those. Based on dates we observed, not a forecast.