Business-class award flights from Bilbao (BIO) to Washington Dulles (IAD)
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In the last 30 days AwardTool saw business-class award space on 3 programs for BIO→IAD. Lowest: 57,500 miles + $90.69 with American Airlines AAdvantage, which showed business-class award space on 2 dates. No nonstop business-class 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
- 57,500 miles + $90.69
- American Airlines AAdvantage
- Programs with space
- 3 of 3
- programs seen on this route
- Most dates seen
- 32 of 33
- dates checked · United MileagePlus
- Nonstop
- Not seen
- in the last 30 days
Compare programs for business class
The lowest one-way business-class award each program showed on BIO→IAD, sorted by points.
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| American Airlines AAdvantageLowest observed | 57,500 pts + $90.69 | 2 stops | American Airlines (AA), British Airways (BA), IBERIA (IB) | — | 2 | See dates | |
| Air France/KLM Flying Blue | 70,775 pts + $436.39 | 1 stop | Air France (AF), Delta Air Lines (DL), KLM (KL), Air Europa (UX) | 8 | 29 | See dates | |
| United MileagePlus | 88,000 pts + $62.53 | 1 stop | Eurowings Discover (4Y), ITA Airways (AZ), Aer Lingus (EI), Air Dolomiti (EN) +8 more | 9+ | 32 | 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 business-class award examples
| Departure | Program | Points + taxes | Seats | Stops | Observed (UTC) | |
|---|---|---|---|---|---|---|
| United MileagePlus | 88,000 pts + $62.53 | 9+ | 1 stop | Check this date | ||
| United MileagePlus | 88,000 pts + $86.93 | 9+ | 2 stops | Check this date | ||
| Air France/KLM Flying Blue | 288,000 pts + $438.29 | 2 | 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 business-class 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 business-class 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 | 2 of 38 | 5% | |
| Air France/KLM Flying Blue | 29 of 29 | 100% | |
| United MileagePlus | 32 of 33 | 96% |
Best months for business class from Bilbao (BIO) to Washington Dulles (IAD)
| Month | Lowest observed | Program | Dates |
|---|---|---|---|
| 288,000 pts + taxes vary | Air France/KLM Flying Blue | 1 | |
| 88,000 pts + taxes vary | United MileagePlus | 4 | |
| 175,000 pts + taxes vary | Air France/KLM Flying Blue | 1 | |
| 57,500 pts + taxes vary | American Airlines AAdvantage | 1 | |
| 57,500 pts + taxes vary | American Airlines AAdvantage | 1 | |
| 70,775 pts + taxes vary | Air France/KLM Flying Blue | 8 | |
| 70,775 pts + taxes vary | Air France/KLM Flying Blue | 18 |
Lowest business class award by month and program
Each program's lowest one-way business-class award by departure month, in its own points or miles; taxes vary. — means the program showed no business-class space that month.
| Program | |||||||
|---|---|---|---|---|---|---|---|
| American Airlines AAdvantagemiles | — | — | — | 57,500 | 57,500 | — | — |
| Air France/KLM Flying Bluemiles | 288,000 | — | 175,000 | 96,000 | — | 70,775 | 70,775 |
| United MileagePlusmiles | 350,300 | 88,000 | 200,000 | 88,000 | — | 88,000 | 88,000 |
Airlines seen in business class
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
- Air France (AF): Air France/KLM Flying Blue
- ITA Airways (AZ): United MileagePlus
- British Airways (BA): American Airlines AAdvantage
- Delta Air Lines (DL): Air France/KLM Flying Blue
- Aer Lingus (EI): United MileagePlus
- Air Dolomiti (EN): United MileagePlus
- Eurowings (EW): United MileagePlus
- IBERIA (IB): American Airlines AAdvantage
- KLM (KL): Air France/KLM Flying Blue
- Lufthansa (LH): United MileagePlus
- SWISS (LX): United MileagePlus
- Austrian (OS): United MileagePlus
- Brussels Airlines (SN): United MileagePlus
- TAP Portugal (TP): United MileagePlus
- United Airlines (UA): United MileagePlus
- Air Europa (UX): Air France/KLM Flying Blue
- Lufthansa City Airlines (VL): United MileagePlus
Business class on nearby routes
The lowest business-class 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 Bilbao (BIO) and to Washington Dulles (IAD). One way, in the program's points or miles; taxes are on each route's page.
| Route | Lowest observed | Program | Dates seen |
|---|---|---|---|
| Washington Dulles (IAD) to Bilbao (BIO)Return direction | 57,500 miles | American Airlines AAdvantage | 9 |
| Bilbao (BIO) to Lisbon (LIS)Also from BIO | 8,000 points | Virgin Atlantic Flying Club | 13 |
| Bilbao (BIO) to London Heathrow (LHR)Also from BIO | 20,000 miles | Avianca LifeMiles | 4 |
| Bilbao (BIO) to Lanzarote (ACE)Also from BIO | 199,400 miles | GOL Smiles | 220 |
| Bilbao (BIO) to San Francisco (SFO)Also from BIO | 57,500 miles | American Airlines AAdvantage | 6 |
| London Heathrow (LHR) to Washington Dulles (IAD)Also to IAD | 29,000 pointsNonstop | Virgin Atlantic Flying Club | 308 |
| Amsterdam (AMS) to Washington Dulles (IAD)Also to IAD | 37,000 points | Virgin Atlantic Flying Club | 12 |
| Paris Charles de Gaulle (CDG) to Washington Dulles (IAD)Also to IAD | 37,000 points | Virgin Atlantic Flying Club | 12 |
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 |
| 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 business-class award flights from Bilbao (BIO) to Washington Dulles (IAD)
What's the lowest business-class award from Bilbao (BIO) to Washington Dulles (IAD)?
57,500 miles + $90.69 with American Airlines AAdvantage. American Airlines AAdvantage showed business-class award space on 2 departure dates at any price (newest observation Oct 18, 2026, 02:48 UTC). Search live before transferring points.
Which programs had business-class award space from Bilbao (BIO) to Washington Dulles (IAD)?
American Airlines AAdvantage (2 dates), Air France/KLM Flying Blue (29 dates) and United MileagePlus (32 dates), in the last 30 days.
Is there nonstop business-class award space from Bilbao (BIO) to Washington Dulles (IAD)?
AwardTool hasn't observed nonstop business-class award space on this route in the last 30 days. That doesn't mean nonstop space never appears.
Which months had the lowest business-class award prices from Bilbao (BIO) to Washington Dulles (IAD)?
Counting only month prices from programs with award space on 2 or more dates that month, and leaving out unusually low outliers, the lowest business-class award AwardTool observed was for Jul 2027 departures: 70,775 miles with Flying Blue (18 dates). The month table shows every lowest price, including those. Based on dates we observed, not a forecast.