Economy award flights from Boston (BOS) to Bilbao (BIO)
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In the last 30 days AwardTool saw economy award space on 6 programs for BOS→BIO. Lowest: 22,500 miles + $9.10 with American Airlines AAdvantage, which showed economy award space on 15 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 + $9.10
- American Airlines AAdvantage
- Programs with space
- 6 of 6
- programs seen on this route
- Most dates seen
- 15 of 20
- dates checked · American Airlines AAdvantage
- Nonstop
- Not seen
- in the last 30 days
Compare programs for economy
The lowest one-way economy award each program showed on BOS→BIO, sorted by points.
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| American Airlines AAdvantageLowest observed | 22,500 pts + $9.10 | 2 stops | American Airlines (AA), British Airways (BA), Aer Lingus (EI), IBERIA (IB) | — | 15 | See dates | |
| Alaska Atmos Rewards | 22,500 pts + $40.90 | 1 stop | Aer Lingus (EI), IBERIA (IB) | 2 | 9 | See dates | |
| Air France/KLM Flying Blue | 25,000 pts + $153.40 | 1 stop | Air France (AF), Delta Air Lines (DL), KLM (KL), Air Europa (UX) +1 more | 9+ | 13 | See dates | |
| Qantas Frequent Flyer | 34,700 pts + $107.50 | 1 stop | American Airlines (AA), Air France (AF), British Airways (BA), IBERIA (IB) +1 more | 1 | 7 | See dates | |
| Avianca LifeMiles | 35,000 pts + $58.00 | 2 stops | Air Canada (AC), Lufthansa (LH), SWISS (LX), United Airlines (UA) | 4 | 6 | See dates | |
| United MileagePlus | 44,000 pts + $27.20 | 2 stops | Eurowings Discover (4Y), Air Canada (AC), ITA Airways (AZ), JetBlue (B6) +11 more | 5 | 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 economy award examples
| Departure | Program | Points + taxes | Seats | Stops | Observed (UTC) | |
|---|---|---|---|---|---|---|
| American Airlines AAdvantage | 22,500 pts + $59.30 | — | 2 stops | Check this date | ||
| Alaska Atmos Rewards | 22,500 pts + $41.20 | 2 | 1 stop | Check this date | ||
| American Airlines AAdvantage | 22,500 pts + $9.10 | — | 2 stops | Check this date | ||
| Alaska Atmos Rewards | 27,500 pts + $29.10 | 4 | 1 stop | Check this date | ||
| Air France/KLM Flying Blue | 31,000 pts + $167.20 | 2 | 1 stop | Check this date | ||
| Qantas Frequent Flyer | 34,700 pts + $107.70 | 1 | 1 stop | Check this date | ||
| Avianca LifeMiles | 35,000 pts + $58.00 | 9+ | 1 stop | Check this date | ||
| United MileagePlus | 44,000 pts + $50.50 | 9+ | 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 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 | 15 of 20 | 75% | |
| Alaska Atmos Rewards | 9 of 11 | 81% | |
| Air France/KLM Flying Blue | 13 of 14 | 92% | |
| Qantas Frequent Flyer | 7 of 10 | 70% | |
| Avianca LifeMiles | 6 of 15 | 40% | |
| United MileagePlus | 10 of 12 | 83% |
Best months for economy from Boston (BOS) 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 | 1 | |
| 22,500 pts + taxes vary | American Airlines AAdvantage | 3 | |
| 22,500 pts + taxes vary | American Airlines AAdvantage | 1 | |
| 30,000 pts + taxes vary | American Airlines AAdvantage | 1 | |
| 22,500 pts + taxes vary | Alaska Atmos Rewards | 4 | |
| 30,000 pts + taxes vary | American Airlines AAdvantage | 1 | |
| 25,000 pts + taxes vary | Air France/KLM Flying Blue | 2 | |
| 22,500 pts + taxes vary | Alaska Atmos Rewards | 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 | 22,500 | 22,500 | 30,000 | 30,000 | 30,000 | 30,000 | 30,000 |
| Alaska Atmos Rewardspoints | — | 22,500 | 27,500 | 22,500 | — | 22,500 | — | — | 22,500 |
| Air France/KLM Flying Bluemiles | — | 38,500 | 31,000 | 25,000 | — | 25,000 | — | 25,000 | 30,000 |
| Qantas Frequent Flyerpoints | — | 34,700 | 39,400 | 34,700 | — | 39,400 | — | — | — |
| Avianca LifeMilesmiles | — | 35,000 | 35,000 | — | — | 35,000 | — | — | — |
| United MileagePlusmiles | — | 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 Qantas Frequent Flyer
- Air Canada (AC): Avianca LifeMiles and United MileagePlus
- Air France (AF): Air France/KLM Flying Blue and Qantas Frequent Flyer
- ITA Airways (AZ): United MileagePlus
- JetBlue (B6): United MileagePlus
- British Airways (BA): American Airlines AAdvantage and Qantas Frequent Flyer
- Delta Air Lines (DL): Air France/KLM Flying Blue
- Aer Lingus (EI): American Airlines AAdvantage, Alaska Atmos Rewards and United MileagePlus
- Eurowings (EW): United MileagePlus
- IBERIA (IB): American Airlines AAdvantage, Alaska Atmos Rewards and Qantas Frequent Flyer
- KLM (KL): Air France/KLM Flying Blue and Qantas Frequent Flyer
- Lufthansa (LH): Avianca LifeMiles and United MileagePlus
- SWISS (LX): Avianca LifeMiles and United MileagePlus
- Austrian (OS): United MileagePlus
- Brussels Airlines (SN): United MileagePlus
- Singapore Airlines (SQ): United MileagePlus
- Turkish Airlines (TK): United MileagePlus
- TAP Portugal (TP): United MileagePlus
- United Airlines (UA): Avianca LifeMiles and United MileagePlus
- Air Europa (UX): Air France/KLM Flying Blue
- Lufthansa City Airlines (VL): 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 Boston (BOS) 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 Boston (BOS)Return direction | 18,750 miles | Air France/KLM Flying Blue | 13 |
| Boston (BOS) to London Heathrow (LHR)Also from BOS | 6,000 pointsNonstop | Virgin Atlantic Flying Club | 323 |
| Boston (BOS) to Amsterdam (AMS)Also from BOS | 9,500 miles | GOL Smiles | 320 |
| Boston (BOS) to Paris Charles de Gaulle (CDG)Also from BOS | 9,500 miles | GOL Smiles | 326 |
| Boston (BOS) to Madrid (MAD)Also from BOS | 9,500 milesNonstop | GOL Smiles | 234 |
| 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 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 |
| Qantas Frequent Flyer | 1:1 · Instant | — | 1:1 · ~1-2 days | — | 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 Boston (BOS) to Bilbao (BIO)
What's the lowest economy award from Boston (BOS) to Bilbao (BIO)?
22,500 miles + $9.10 with American Airlines AAdvantage. Seen Sep 23, 2026, 16:06 UTC for a Dec 3, 2026 departure. American Airlines AAdvantage showed economy award space on 15 departure dates at any price (newest observation Oct 14, 2026, 17:03 UTC). Search live before transferring points.
Which programs had economy award space from Boston (BOS) to Bilbao (BIO)?
American Airlines AAdvantage (15 dates), Alaska Atmos Rewards (9 dates), Air France/KLM Flying Blue (13 dates), Qantas Frequent Flyer (7 dates), Avianca LifeMiles (6 dates) and United MileagePlus (10 dates), in the last 30 days.
Is there nonstop economy award space from Boston (BOS) 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 Boston (BOS) 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 May 2027 departures: 22,500 points with Atmos (4 dates). The month table shows every lowest price, including those. Based on dates we observed, not a forecast.