Award flights from Boston (BOS) to Bilbao (BIO)
Search flights from Boston (BOS) to Bilbao (BIO)
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In the last 30 days AwardTool saw award space on 6 programs for BOS→BIO. Lowest economy: 22,500 miles + $9.10 (American Airlines AAdvantage). Lowest business class: 57,500 miles + $65.10 (American Airlines AAdvantage). Lowest premium economy: 30,000 miles + $258.70 (Air France/KLM Flying Blue).
Prices observed – ; newest observation .
Page regenerated from the Oct 19, 2026 data snapshot (normally daily). Summary last changed . Seats change quickly.
Boston (BOS) to Bilbao (BIO) at a glance
- From
- General Edward Lawrence Logan International, Boston, Massachusetts, United States (BOS)
- To
- Bilbao Airport, Bilbao, Spain (BIO)
- Programs with award space seen
- 6 of 6 programs tracked on this route
- Nonstop award space seen
- Not seen in the last 30 days
- Airlines seen on these awards
- Eurowings Discover (4Y), American Airlines (AA), Air Canada (AC), Air France (AF), ITA Airways (AZ), JetBlue (B6), British Airways (BA), Delta Air Lines (DL), Aer Lingus (EI), Eurowings (EW), IBERIA (IB), KLM (KL) and 11 more
- Departures with open awards
- Oct 2026 to Aug 2027
- Most dates with space
- 16 of 20 departure dates checked (American Airlines AAdvantage, economy)
- Latest departure with space
- Observation window
- Awards observed in the last 30 days
- Destination guide
- Award flights to Bilbao (BIO)
Compare programs by cabin
The lowest one-way award each program showed in each cabin, sorted by points.
Economy
| 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) | — | 16 | 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 |
Premium Economy
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| Air France/KLM Flying BlueLowest observed | 30,000 pts + $258.70 | 1 stop | Air France (AF), Delta Air Lines (DL), KLM (KL), Air Europa (UX) | 9+ | 13 | See dates | |
| American Airlines AAdvantage | 40,000 pts + $9.10 | 2 stops | American Airlines (AA), British Airways (BA), Aer Lingus (EI), IBERIA (IB) | — | 8 | See dates | |
| Qantas Frequent Flyer | 78,900 pts + $117.40 | 2 stops | American Airlines (AA), British Airways (BA), IBERIA (IB) | 1 | 3 | See dates | |
| United MileagePlus | 120,000 pts + $9.10 | 2 stops | JetBlue (B6), Aer Lingus (EI), Lufthansa (LH), Brussels Airlines (SN) +2 more | 4 | 8 | See dates |
Not seen in premium economy: Alaska Atmos Rewards and Avianca LifeMiles.
Business Class
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| American Airlines AAdvantageLowest observed | 57,500 pts + $65.10 | 2 stops | American Airlines (AA), British Airways (BA), IBERIA (IB) | — | 7 | See dates | |
| United MileagePlus | 88,000 pts + $45.80 | 2 stops | JetBlue (B6), Aer Lingus (EI), Lufthansa (LH), SWISS (LX) +3 more | 1 | 10 | See dates | |
| Qantas Frequent Flyer | 103,100 pts + $1,481.10 | 2 stops | American Airlines (AA), British Airways (BA), IBERIA (IB) | 1 | 2 | See dates | |
| Air France/KLM Flying Blue | 127,500 pts + $373.20 | 1 stop | Air France (AF), Delta Air Lines (DL), KLM (KL), Air Europa (UX) | 5 | 13 | See dates | |
| Alaska Atmos Rewards | 250,000 pts + $29.10Mixed cabin | 1 stop | Aer Lingus (EI) | 4 | 7 | See dates |
Not seen in business class: Avianca LifeMiles.
First class: not seen in the last 30 days.
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 award examples
| Departure | Cabin | Program | Points + taxes | Seats | Stops | Observed (UTC) | |
|---|---|---|---|---|---|---|---|
| Economy | Alaska Atmos Rewards | 22,500 pts + $41.20 | 2 | 1 stop | Check this date | ||
| Economy | Avianca LifeMiles | 35,000 pts + $58.00 | 9+ | 1 stop | Check this date | ||
| Premium Economy | American Airlines AAdvantage | 40,000 pts + $59.20 | — | 2 stops | Check this date | ||
| Business | American Airlines AAdvantage | 57,500 pts + $65.10 | — | 2 stops | Check this date | ||
| Business | Qantas Frequent Flyer | 103,100 pts + $1,481.10 | 1 | 2 stops | Check this date | ||
| Business | Air France/KLM Flying Blue | 167,500 pts + $373.70 | 1 | 1 stop | Check this date | ||
| Business | United MileagePlus | 200,000 pts + $38.00 | 7 | 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.
Best months to fly from Boston (BOS) to Bilbao (BIO) on points
| Month | Economy | Premium Economy | Business |
|---|---|---|---|
| 30,000 · AAdvantage (2 dates) | 40,000 · AAdvantage (1 date) | — | |
| 22,500 · AAdvantage (1 date) | 59,000 · Flying Blue (1 date) | 57,500 · AAdvantage (1 date) | |
| 22,500 · AAdvantage (3 dates) | 40,000 · AAdvantage (1 date) | 200,000 · MileagePlus (4 dates) | |
| 22,500 · AAdvantage (1 date) | 30,000 · Flying Blue (1 date) | 57,500 · AAdvantage (1 date) | |
| 30,000 · AAdvantage (1 date) | 40,000 · AAdvantage (1 date) | — | |
| 22,500 · Atmos (4 dates) | 40,000 · AAdvantage (3 dates) | 57,500 · AAdvantage (4 dates) | |
| 30,000 · AAdvantage (1 date) | — | — | |
| 25,000 · Flying Blue (2 dates) | 59,000 · Flying Blue (2 dates) | 57,500 · AAdvantage (1 date) | |
| 22,500 · Atmos (1 date) | 40,000 · AAdvantage (1 date) | 172,500 · Flying Blue (2 dates) |
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.
Search, calendar and alerts from Boston (BOS) to Bilbao (BIO)
Route calendar
Every departure date with open award seats on BOS→BIO for Air France/KLM Flying Blue and the other programs: a limited window on the free plan and 365 days with Pro.
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Search Boston (BOS) to Bilbao (BIO)How many miles you need from Boston (BOS) to Bilbao (BIO)
- In economy, American Airlines AAdvantage had the lowest observed award, 22,500 miles + $9.10; see how many miles you need with American Airlines AAdvantage.
- In premium economy, Air France/KLM Flying Blue had the lowest observed award, 30,000 miles + $258.70; see how many miles you need with Air France/KLM Flying Blue.
- In business class, American Airlines AAdvantage had the lowest observed award, 57,500 miles + $65.10; see how many miles you need with American Airlines AAdvantage.
Questions about award flights from Boston (BOS) to Bilbao (BIO)
What's the lowest Boston (BOS) to Bilbao (BIO) award price AwardTool has seen?
In economy, 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 16 departure dates at any price (newest observation Oct 14, 2026, 17:03 UTC). In business class, 57,500 miles + $65.10 with American Airlines AAdvantage. Seen Sep 23, 2026, 16:05 UTC for a Nov 30, 2026 departure. American Airlines AAdvantage showed business-class award space on 7 departure dates at any price (newest observation Oct 6, 2026, 21:10 UTC). Search live before transferring points.
Which loyalty programs had award space from Boston (BOS) to Bilbao (BIO)?
6 programs in the last 30 days: American Airlines AAdvantage (economy 16 dates, premium economy 8 dates, business class 7 dates); Alaska Atmos Rewards (economy 9 dates, business class 7 dates); Avianca LifeMiles (economy 6 dates); Air France/KLM Flying Blue (economy 13 dates, premium economy 13 dates, business class 13 dates); Qantas Frequent Flyer (economy 7 dates, premium economy 3 dates, business class 2 dates); United MileagePlus (economy 10 dates, premium economy 8 dates, business class 10 dates). Dates count departure dates with an open award.
Is there nonstop award space from Boston (BOS) to Bilbao (BIO)?
AwardTool hasn't observed nonstop award space on this route in the last 30 days. The awards it saw connected with 1 to 2 stops on itineraries including Eurowings Discover, American Airlines, Air Canada and Air France. That doesn't mean nonstop space never appears.
Which credit card points can book awards from Boston (BOS) to Bilbao (BIO)?
American Express Membership Rewards: Avianca LifeMiles (1:1), Air France/KLM Flying Blue (1:1), Qantas Frequent Flyer (1:1). Bilt Rewards: Alaska Atmos Rewards (1:1), Avianca LifeMiles (1:1), Air France/KLM Flying Blue (1:1), United MileagePlus (1:1). Capital One Miles: Avianca LifeMiles (1:1), Air France/KLM Flying Blue (1:1), Qantas Frequent Flyer (1:1). Chase Ultimate Rewards: Air France/KLM Flying Blue (1:1), United MileagePlus (1:1). Citi ThankYou Points: American Airlines AAdvantage (1:1), Avianca LifeMiles (1:1), Air France/KLM Flying Blue (1:1), Qantas Frequent Flyer (1:1). Wells Fargo Rewards: Avianca LifeMiles (1:1), Air France/KLM Flying Blue (1:1). Ratios come from AwardTool's transfer partner list; check current bonuses first.
Which months had the lowest 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: in economy, the lowest award was for May 2027 departures, 22,500 points with Atmos (4 dates); in business class, the lowest award was for May 2027 departures, 57,500 miles with AAdvantage (4 dates). The month table shows every lowest price, including those. Based on dates we observed, not a forecast.