Award flights from Denver (DEN) to Bilbao (BIO)
Search flights from Denver (DEN) to Bilbao (BIO)
Search live to see every flight, program and cabin price for your dates.
In the last 30 days AwardTool saw award space on 7 programs for DEN→BIO. Lowest economy: 22,500 miles + $9.10 (American Airlines AAdvantage). Lowest business class: 90,000 miles (Turkish Miles & Smiles); mixed cabin from 88,000 miles + $50.10 (United MileagePlus). Lowest premium economy: 40,000 miles + $9.10 (American Airlines AAdvantage).
Prices observed – ; newest observation .
Page regenerated from the Oct 19, 2026 data snapshot (normally daily). Summary last changed . Seats change quickly.
Denver (DEN) to Bilbao (BIO) at a glance
- From
- Denver International, Denver, Colorado, United States (DEN)
- To
- Bilbao Airport, Bilbao, Spain (BIO)
- Programs with award space seen
- 7 of 7 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), Air Dolomiti (EN), Eurowings (EW), IBERIA (IB) and 9 more
- Departures with open awards
- Oct 2026 to Aug 2027
- Most dates with space
- 16 of 23 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 | |
| Avianca LifeMiles | 39,000 pts + $39.57 | 1 stop | Lufthansa (LH), United Airlines (UA) | 9+ | 11 | See dates | |
| Air Canada Aeroplan | 42,500 pts + $98.41 | 1 stop | Air Canada (AC), Air Dolomiti (EN), Eurowings (EW), Lufthansa (LH) +3 more | 3 | 13 | See dates | |
| United MileagePlus | 44,000 pts + $13.60 | 2 stops | Eurowings Discover (4Y), Air Canada (AC), ITA Airways (AZ), JetBlue (B6) +9 more | 6 | 15 | See dates | |
| Air France/KLM Flying Blue | 46,000 pts + $159.20 | 2 stops | Air France (AF), Delta Air Lines (DL), KLM (KL), Air Europa (UX) | 9+ | 12 | See dates | |
| Qantas Frequent Flyer | 47,700 pts + $364.70 | 2 stops | American Airlines (AA), Air France (AF), British Airways (BA), IBERIA (IB) | 2 | 9 | See dates | |
| Turkish Miles & Smiles | 55,000 pts + taxes not reported | 1 stop | Turkish Airlines (TK) | 2 | 10 | See dates |
Premium Economy
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| American Airlines AAdvantageLowest observed | 40,000 pts + $9.10 | 2 stops | American Airlines (AA), Aer Lingus (EI), IBERIA (IB) | — | 3 | See dates | |
| United MileagePlus | 55,000 pts + $28.60 | 1 stop | ITA Airways (AZ), Aer Lingus (EI), Eurowings (EW), Lufthansa (LH) +5 more | 9+ | 12 | See dates | |
| Air Canada Aeroplan | 92,691 pts + $128.31 | 3 stops | Air Canada (AC), Lufthansa (LH), United Airlines (UA) | 5 | 2 | See dates |
Not seen in premium economy: Avianca LifeMiles, Air France/KLM Flying Blue, Qantas Frequent Flyer and Turkish Miles & Smiles.
Business Class
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| American Airlines AAdvantageLowest observed | 57,500 pts + $64.40 | 2 stops | American Airlines (AA), IBERIA (IB) | — | 1 | See dates | |
| United MileagePlus | 88,000 pts + $50.10Mixed cabin | 2 stops | Eurowings Discover (4Y), ITA Airways (AZ), Aer Lingus (EI), Eurowings (EW) +6 more | 7 | 15 | See dates | |
| Turkish Miles & Smiles | 90,000 pts + taxes not reported | 1 stop | Turkish Airlines (TK) | 1 | 10 | See dates | |
| Air Canada Aeroplan | 285,027 pts + $128.41Mixed cabin | 3 stops | Air Canada (AC), Lufthansa (LH), United Airlines (UA) | 4 | 4 | See dates |
Not seen in business class: Avianca LifeMiles, Air France/KLM Flying Blue and Qantas Frequent Flyer.
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 | American Airlines AAdvantage | 22,500 pts + $59.20 | — | 2 stops | Check this date | ||
| Economy | Avianca LifeMiles | 39,000 pts + $50.00 | 9+ | 1 stop | Check this date | ||
| Economy | Air France/KLM Flying Blue | 46,000 pts + $159.20 | 9+ | 2 stops | Check this date | ||
| Economy | Qantas Frequent Flyer | 47,700 pts + $364.70 | 2 | 2 stops | Check this date | ||
| Premium Economy | American Airlines AAdvantage | 40,000 pts + $59.20 | — | 2 stops | Check this date | ||
| Business | United MileagePlus | 88,000 pts + $50.10Mixed cabin | 7 | 2 stops | Check this date | ||
| Business | Turkish Miles & Smiles | 175,000 pts + taxes not reported | 2 | 1 stop | Check this date | ||
| Business | Air Canada Aeroplan | 285,027 pts + $128.41Mixed cabin | 4 | 3 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 Denver (DEN) to Bilbao (BIO) on points
| Month | Economy | Premium Economy | Business |
|---|---|---|---|
| 30,000 · AAdvantage (2 dates) | 40,000 · AAdvantage (1 date) | 175,000 · Miles&Smiles (1 date) | |
| 22,500 · AAdvantage (3 dates) | 55,000 · MileagePlus (3 dates) | 88,000 · MileagePlus (3 dates)Mixed cabin | |
| 22,500 · AAdvantage (4 dates) | 40,000 · AAdvantage (1 date) | 175,000 · Miles&Smiles (2 dates) | |
| 30,000 · AAdvantage (4 dates) | — | 175,000 · Miles&Smiles (1 date) | |
| 30,000 · AAdvantage (1 date) | 200,000 · MileagePlus (1 date) | 175,000 · Miles&Smiles (1 date) | |
| 39,000 · LifeMiles (1 date) | 180,000 · MileagePlus (2 dates) | 175,000 · Miles&Smiles (2 dates) | |
| 30,000 · AAdvantage (2 dates) | 40,000 · AAdvantage (1 date) | 57,500 · AAdvantage (1 date) |
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 |
| 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.
Search, calendar and alerts from Denver (DEN) to Bilbao (BIO)
Route calendar
Every departure date with open award seats on DEN→BIO for United MileagePlus and the other programs: a limited window on the free plan and 365 days with Pro.
Open the route calendarLive search
Search one date across programs to see current flights, seats and taxes before you transfer points.
Search Denver (DEN) to Bilbao (BIO)How many miles you need from Denver (DEN) 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, American Airlines AAdvantage had the lowest observed award, 40,000 miles + $9.10; see how many miles you need with American Airlines AAdvantage.
- In business class, Turkish Miles & Smiles had the lowest observed award, 90,000 miles (taxes not reported), apart from a mixed-cabin award from 88,000 miles + $50.10 with United MileagePlus; see how many miles you need with Turkish Miles & Smiles.
Questions about award flights from Denver (DEN) to Bilbao (BIO)
What's the lowest Denver (DEN) to Bilbao (BIO) award price AwardTool has seen?
In economy, 22,500 miles + $9.10 with American Airlines AAdvantage. Seen Sep 30, 2026, 18:27 UTC for a Nov 1, 2026 departure. American Airlines AAdvantage showed economy award space on 16 departure dates at any price (newest observation Oct 17, 2026, 01:47 UTC). In business class, 90,000 miles with Turkish Miles & Smiles. Turkish Miles & Smiles showed business-class award space on 10 departure dates at any price (newest observation Oct 14, 2026, 17:08 UTC). A mixed-cabin itinerary, with part of the trip in a lower cabin, was seen from 88,000 miles + $50.10 with United MileagePlus. Search live before transferring points.
Which loyalty programs had award space from Denver (DEN) to Bilbao (BIO)?
7 programs in the last 30 days: American Airlines AAdvantage (economy 16 dates, premium economy 3 dates, business class 1 date); Air Canada Aeroplan (economy 13 dates, premium economy 2 dates, business class 4 dates); Avianca LifeMiles (economy 11 dates); Air France/KLM Flying Blue (economy 12 dates); Qantas Frequent Flyer (economy 9 dates); Turkish Miles & Smiles (economy 10 dates, business class 10 dates); United MileagePlus (economy 15 dates, premium economy 12 dates, business class 15 dates). Dates count departure dates with an open award.
Is there nonstop award space from Denver (DEN) 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 3 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 Denver (DEN) to Bilbao (BIO)?
American Express Membership Rewards: Air Canada Aeroplan (1:1), Avianca LifeMiles (1:1), Air France/KLM Flying Blue (1:1), Qantas Frequent Flyer (1:1). Bilt Rewards: Air Canada Aeroplan (1:1), Avianca LifeMiles (1:1), Air France/KLM Flying Blue (1:1), Turkish Miles & Smiles (1:1), United MileagePlus (1:1). Capital One Miles: Air Canada Aeroplan (1:1), Avianca LifeMiles (1:1), Air France/KLM Flying Blue (1:1), Qantas Frequent Flyer (1:1), Turkish Miles & Smiles (1:1). Chase Ultimate Rewards: Air Canada Aeroplan (1:1), 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), Turkish Miles & Smiles (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 Denver (DEN) 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 Dec 2026 departures, 22,500 miles with AAdvantage (4 dates); in business class, the lowest award was for Nov 2026 departures, 175,000 miles with Miles&Smiles (2 dates), and a mixed-cabin itinerary was seen for Nov 2026 departures from 88,000 miles with MileagePlus. The month table shows every lowest price, including those. Based on dates we observed, not a forecast.