Economy award flights from Washington Dulles (IAD) to Bilbao (BIO)
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In the last 30 days AwardTool saw economy award space on 8 programs for IAD→BIO. Lowest: 18,750 miles + $155.70 with Air France/KLM Flying Blue, which showed economy award space on 21 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
- 18,750 miles + $155.70
- Air France/KLM Flying Blue
- Programs with space
- 8 of 8
- programs seen on this route
- Most dates seen
- 25 of 35
- 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 IAD→BIO, sorted by points.
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| Air France/KLM Flying BlueLowest observed | 18,750 pts + $155.70 | 1 stop | Air France (AF), Delta Air Lines (DL), KLM (KL), Air Europa (UX) +1 more | 9+ | 21 | See dates | |
| American Airlines AAdvantage | 22,500 pts + $9.00 | 1 stop | American Airlines (AA), Royal Air Maroc (AT), British Airways (BA), Aer Lingus (EI) +1 more | — | 25 | See dates | |
| Qantas Frequent Flyer | 34,700 pts + $105.80 | 1 stop | American Airlines (AA), Air France (AF), Royal Air Maroc (AT), British Airways (BA) +1 more | 2 | 11 | See dates | |
| United MileagePlus | 40,000 pts + $5.60 | 1 stop | Eurowings Discover (4Y), Air Canada (AC), ITA Airways (AZ), Aer Lingus (EI) +11 more | 9+ | 24 | See dates | |
| Air Canada Aeroplan | 40,000 pts + $75.71 | 1 stop | Air Canada (AC), Air Dolomiti (EN), Lufthansa (LH), SWISS (LX) +4 more | 9+ | 15 | See dates | |
| Avianca LifeMiles | 40,000 pts + $48.10 | 1 stop | Lufthansa (LH), SWISS (LX), Brussels Airlines (SN), United Airlines (UA) | 9+ | 6 | See dates | |
| Delta SkyMiles | 40,600 pts + $36.00 | 1 stop | Air France (AF), Delta Air Lines (DL), KLM (KL) | 9+ | 19 | See dates | |
| Turkish Miles & Smiles | 55,000 pts + taxes not reported | 1 stop | Turkish Airlines (TK) | 1 | 22 | 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 + $67.70 | — | 2 stops | Check this date | ||
| Air France/KLM Flying Blue | 25,000 pts + $165.00 | 9+ | 1 stop | Check this date | ||
| Qantas Frequent Flyer | 34,700 pts + $395.70 | 4 | 1 stop | Check this date | ||
| Avianca LifeMiles | 40,000 pts + $58.00 | 9+ | 1 stop | Check this date | ||
| Air Canada Aeroplan | 42,500 pts + $92.51 | 9+ | 1 stop | Check this date | ||
| United MileagePlus | 44,000 pts + $28.80 | 9+ | 1 stop | Check this date | ||
| Turkish Miles & Smiles | 55,000 pts + taxes not reported | 1 | 1 stop | Check this date | ||
| Delta SkyMiles | 58,000 pts + $24.30 | 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 |
|---|---|---|---|
| Air France/KLM Flying Blue | 21 of 21 | 100% | |
| American Airlines AAdvantage | 25 of 35 | 71% | |
| Qantas Frequent Flyer | 11 of 20 | 55% | |
| United MileagePlus | 24 of 25 | 96% | |
| Air Canada Aeroplan | 15 of 23 | 65% | |
| Avianca LifeMiles | 6 of 22 | 27% | |
| Delta SkyMiles | 19 of 21 | 90% | |
| Turkish Miles & Smiles | 22 of 23 | 95% |
Best months for economy from Washington Dulles (IAD) to Bilbao (BIO)
| Month | Lowest observed | Program | Dates |
|---|---|---|---|
| 25,000 pts + taxes vary | Air France/KLM Flying Blue | 1 | |
| 22,500 pts + taxes vary | American Airlines AAdvantage | 3 | |
| 64,500 pts + taxes vary | Air France/KLM Flying Blue | 1 | |
| 18,750 pts + taxes vary | Air France/KLM Flying Blue | 1 | |
| 22,500 pts + taxes vary | American Airlines AAdvantage | 2 | |
| 25,000 pts + taxes vary | Air France/KLM Flying Blue | 2 | |
| 25,000 pts + taxes vary | Air France/KLM Flying Blue | 7 | |
| 30,000 pts + taxes vary | American Airlines AAdvantage | 1 | |
| 25,000 pts + taxes vary | Air France/KLM Flying Blue | 7 |
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 | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Air France/KLM Flying Bluemiles | 25,000 | 25,000 | 64,500 | 18,750 | — | 25,000 | 25,000 | — | 25,000 |
| American Airlines AAdvantagemiles | 30,000 | 22,500 | — | 22,500 | 22,500 | 30,000 | 30,000 | 30,000 | 30,000 |
| Qantas Frequent Flyerpoints | — | 34,700 | — | — | — | 46,200 | 50,800 | — | 34,700 |
| United MileagePlusmiles | — | 44,000 | — | 44,000 | — | 44,000 | 44,000 | — | 40,000 |
| Air Canada Aeroplanpoints | — | 42,500 | — | 42,500 | — | 42,500 | 42,500 | — | 40,000 |
| Avianca LifeMilesmiles | — | 40,000 | — | 40,000 | — | 40,000 | 40,000 | — | — |
| Delta SkyMilesmiles | — | 58,000 | — | 40,600 | — | 44,500 | 54,500 | — | 44,500 |
| Turkish Miles & Smilesmiles | — | 55,000 | 75,000 | 55,000 | — | 75,000 | 75,000 | — | 55,000 |
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): United MileagePlus and Air Canada Aeroplan
- Air France (AF): Air France/KLM Flying Blue, Qantas Frequent Flyer and Delta SkyMiles
- Royal Air Maroc (AT): American Airlines AAdvantage and Qantas Frequent Flyer
- ITA Airways (AZ): United MileagePlus
- British Airways (BA): American Airlines AAdvantage and Qantas Frequent Flyer
- Delta Air Lines (DL): Air France/KLM Flying Blue and Delta SkyMiles
- Aer Lingus (EI): American Airlines AAdvantage and United MileagePlus
- Air Dolomiti (EN): United MileagePlus and Air Canada Aeroplan
- Eurowings (EW): United MileagePlus
- IBERIA (IB): American Airlines AAdvantage and Qantas Frequent Flyer
- KLM (KL): Air France/KLM Flying Blue and Delta SkyMiles
- Lufthansa (LH): United MileagePlus, Air Canada Aeroplan and Avianca LifeMiles
- SWISS (LX): United MileagePlus, Air Canada Aeroplan and Avianca LifeMiles
- Austrian (OS): United MileagePlus
- Brussels Airlines (SN): United MileagePlus, Air Canada Aeroplan and Avianca LifeMiles
- Singapore Airlines (SQ): United MileagePlus
- Turkish Airlines (TK): United MileagePlus, Air Canada Aeroplan and Turkish Miles & Smiles
- TAP Portugal (TP): United MileagePlus
- United Airlines (UA): United MileagePlus, Air Canada Aeroplan and Avianca LifeMiles
- Air Europa (UX): Air France/KLM Flying Blue
- Lufthansa City Airlines (VL): United MileagePlus and Air Canada Aeroplan
- 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 Washington Dulles (IAD) 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 Washington Dulles (IAD)Return direction | 18,750 miles | Air France/KLM Flying Blue | 29 |
| Washington Dulles (IAD) to London Heathrow (LHR)Also from IAD | 9,500 milesNonstop | GOL Smiles | 188 |
| Washington Dulles (IAD) to Amsterdam (AMS)Also from IAD | 10,000 points | Virgin Atlantic Flying Club | 126 |
| Washington Dulles (IAD) to Paris Charles de Gaulle (CDG)Also from IAD | 10,000 points | Virgin Atlantic Flying Club | 104 |
| Washington Dulles (IAD) to Madrid (MAD)Also from IAD | 9,500 milesNonstop | GOL Smiles | 222 |
| Chicago O’Hare (ORD) to Bilbao (BIO)Also to BIO | 9,500 miles | GOL Smiles | 118 |
| Lisbon (LIS) to Bilbao (BIO)Also to BIO | 4,000 points | Virgin Atlantic Flying Club | 9 |
| 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 |
| American Airlines AAdvantage | — | — | — | — | 1:1 · Instant | — |
| Avianca LifeMiles | 1:1 · Instant | 1:1 · Instant | 1:1 · Instant | — | 1:1 · Instant | 1:1 · Instant |
| Delta SkyMiles | 1:1 · Instant | — | — | — | — | — |
| Qantas Frequent Flyer | 1:1 · Instant | — | 1:1 · ~1-2 days | — | 1:1 · Instant | — |
| Turkish Miles & Smiles | — | 1:1 · Instant | 1:1 · Instant | — | 1:1 · ~1 day | — |
| United MileagePlus | — | 1:1 · Instant | — | 1:1 · Instant | — | — |
Check current transfer bonuses. Most transfers can't be reversed.
Questions about economy award flights from Washington Dulles (IAD) to Bilbao (BIO)
What's the lowest economy award from Washington Dulles (IAD) to Bilbao (BIO)?
18,750 miles + $155.70 with Air France/KLM Flying Blue. Air France/KLM Flying Blue showed economy award space on 21 departure dates at any price (newest observation Oct 17, 2026, 02:09 UTC). Search live before transferring points.
Which programs had economy award space from Washington Dulles (IAD) to Bilbao (BIO)?
Air France/KLM Flying Blue (21 dates), American Airlines AAdvantage (25 dates), Qantas Frequent Flyer (11 dates), United MileagePlus (24 dates), Air Canada Aeroplan (15 dates), Avianca LifeMiles (6 dates), Delta SkyMiles (19 dates) and Turkish Miles & Smiles (22 dates), in the last 30 days.
Is there nonstop economy award space from Washington Dulles (IAD) 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 Washington Dulles (IAD) 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 with AAdvantage (3 dates). The month table shows every lowest price, including those. Based on dates we observed, not a forecast.