American Airlines AAdvantage award flights from San Francisco (SFO) to Bilbao (BIO)
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In the last 30 days AwardTool saw American Airlines AAdvantage award space for SFO→BIO in economy, premium economy and business class. Lowest economy: 22,500 miles + $9.00 (economy space on 35 dates). Lowest business class: 57,500 miles + $64.40 (business-class space on 10 dates). Lowest premium economy: 40,000 miles + $9.00 (premium economy space on 17 dates).
Prices observed – ; newest observation .
Page regenerated from the Oct 19, 2026 data snapshot (normally daily). Summary last changed . Seats change quickly.
- Lowest economy
- 22,500 miles + $9.00
- economy space on 35 dates
- Lowest business class
- 57,500 miles + $64.40
- business-class space on 10 dates
- Lowest premium economy
- 40,000 miles + $9.00
- premium economy space on 17 dates
AAdvantage award prices by cabin
The lowest one-way American Airlines AAdvantage award AwardTool observed on SFO→BIO in each cabin, in miles plus taxes.
| Cabin | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| Economy | 22,500 miles + $9.00 | 1 stop | American Airlines (AA), Alaska Airlines (AS), British Airways (BA), Aer Lingus (EI) +1 more | — | 35 | See dates | |
| Premium Economy | 40,000 miles + $9.00 | 2 stops | American Airlines (AA), Alaska Airlines (AS), British Airways (BA), Aer Lingus (EI) +1 more | — | 17 | See dates | |
| Business | 57,500 miles + $64.40 | 2 stops | American Airlines (AA), British Airways (BA), IBERIA (IB) | — | 10 | 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 AAdvantage award examples
| Departure | Cabin | Points + taxes | Seats | Stops | Observed (UTC) | |
|---|---|---|---|---|---|---|
| Economy | 22,500 miles + $9.00 | — | 1 stop | Check this date | ||
| Economy | 22,500 miles + $9.00 | — | 1 stop | Check this date | ||
| Economy | 22,500 miles + $9.00 | — | 2 stops | Check this date | ||
| Premium Economy | 40,000 miles + $58.80 | — | 2 stops | Check this date | ||
| Premium Economy | 40,000 miles + $9.00 | — | 2 stops | Check this date | ||
| Premium Economy | 40,000 miles + $9.00 | — | 2 stops | Check this date | ||
| Business | 57,500 miles + $64.40 | — | 2 stops | Check this date | ||
| Business | 57,500 miles + $64.40 | — | 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 AAdvantage award space showed up
Departure dates in the next 365 days that AwardTool checked for American Airlines AAdvantage in the last 30 days, how many had award space in each cabin at any price, and the latest departure with space.
| Cabin | Dates with space | Share of dates checked | Latest departure with space |
|---|---|---|---|
| Economy | 35 of 59 | 59% | |
| Premium Economy | 17 of 59 | 28% | |
| Business | 10 of 59 | 16% |
Best months to fly from San Francisco (SFO) to Bilbao (BIO) with AAdvantage
| Month | Economy | Premium Economy | Business |
|---|---|---|---|
| 30,000 (5 dates) | — | — | |
| 22,500 (17 dates) | 40,000 (8 dates) | 57,500 (7 dates) | |
| 22,500 (1 date) | 40,000 (1 date) | — | |
| 22,500 (4 dates) | 40,000 (3 dates) | 57,500 (3 dates) | |
| 22,500 (2 dates) | — | — | |
| 30,000 (2 dates) | 40,000 (1 date) | — | |
| 30,000 (1 date) | — | — | |
| 30,000 (3 dates) | 40,000 (4 dates) | — |
How to get AAdvantage miles
- Citi ThankYou Points: 1:1 · Instant
Check current transfer bonuses. Most transfers can't be reversed.
AAdvantage vs other programs from San Francisco (SFO) to Bilbao (BIO)
Lowest one-way award per program and cabin on this route.
| Program | Economy | Premium Economy | Business | First |
|---|---|---|---|---|
| Air Canada Aeroplan | 55,000 pts + $75.71 | 89,435 pts + $127.31 | 90,000 pts + $92.61 | — |
| Air France/KLM Flying Blue | 18,750 pts + $155.70Lowest | 61,500 pts + $247.20 | 127,000 pts + $362.20 | — |
| Alaska Atmos Rewards | 35,000 pts + $30.50 | 55,000 pts + $41.00 | 400,000 pts + $29.00Mixed cabin | 350,000 pts + $30.40Mixed cabin |
| American Airlines AAdvantage | 22,500 pts + $9.00 | 40,000 pts + $9.00Lowest | 57,500 pts + $64.40Lowest | — |
| Avianca LifeMiles | 55,000 pts + $52.10 | — | — | — |
| Delta SkyMiles | 37,100 pts + $24.50 | 98,300 pts + $24.50 | 380,500 pts + $24.20 | 380,500 pts + $24.20Mixed cabin |
| Qantas Frequent Flyer | 51,800 pts + $407.40 | 97,900 pts + $117.70 | 125,400 pts + $1,500.60 | — |
| TAP Air Portugal Miles&Go | 19,000 pts + $84.12 | — | 190,000 pts + $86.15 | — |
| Turkish Miles & Smiles | 55,000 pts + taxes not reported | — | 175,000 pts + taxes not reported | — |
| United MileagePlus | 40,000 pts + $5.60 | 55,000 pts + $28.40 | 88,000 pts + $28.50 | 200,000 pts + $11.20Lowest |
Questions about AAdvantage award flights from San Francisco (SFO) to Bilbao (BIO)
How many miles do you need to fly from San Francisco (SFO) to Bilbao (BIO) with American Airlines AAdvantage?
The lowest one-way American Airlines AAdvantage awards AwardTool observed in the last 30 days: economy 22,500 miles + $9.00, with monthly lows of 22,500 miles in 4 months and 30,000 miles in 4 months, and award space on 35 departure dates (newest observation Oct 18, 2026); premium economy 40,000 miles + $9.00, the lowest price in each of 5 months, with award space on 17 departure dates (newest observation Oct 14, 2026); business class 57,500 miles + $64.40, with award space on 10 departure dates (newest observation Oct 14, 2026). Monthly lows varied in economy (22,500 to 30,000 miles), so the award on your dates may cost more. Search live before transferring points.
What's the lowest AAdvantage award from San Francisco (SFO) to Bilbao (BIO)?
In economy, 22,500 miles + $9.00. Seen Oct 10, 2026, 14:46 UTC for a Nov 28, 2026 departure. American Airlines AAdvantage showed economy award space on 35 departure dates at any price (newest observation Oct 18, 2026, 17:41 UTC). In business class, 57,500 miles + $64.40. Seen Oct 14, 2026, 22:47 UTC for a Nov 9, 2026 departure. American Airlines AAdvantage showed business-class award space on 10 departure dates at any price (newest observation Oct 14, 2026, 22:47 UTC). Search live before transferring points.
Can you book nonstop awards from San Francisco (SFO) to Bilbao (BIO) with AAdvantage?
AwardTool hasn't observed nonstop American Airlines AAdvantage award space on this route in the last 30 days. That doesn't mean nonstop space never appears.
Which credit card points can book AAdvantage awards from San Francisco (SFO) to Bilbao (BIO)?
Citi ThankYou Points (1:1, Instant). Check current transfer bonuses; most transfers can't be reversed.
Which months had the lowest AAdvantage award prices from San Francisco (SFO) 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 Nov 2026 departures: 22,500 miles (17 dates). The month table shows every lowest price, including those. Based on dates we observed, not a forecast.