Air France/KLM Flying Blue award flights from St. Louis (STL) to Barcelona (BCN)
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In the last 30 days AwardTool saw Air France/KLM Flying Blue award space for STL→BCN in economy, premium economy and business class. Lowest economy: 36,000 miles + $159.20 (economy space on 41 dates). Lowest business class: 170,500 miles + $378.60 (business-class space on 40 dates). Lowest premium economy: 97,000 miles + $251.70 (premium economy space on 35 dates).
Prices observed – ; newest observation .
Page regenerated from the Oct 19, 2026 data snapshot (normally daily). Summary last changed . Seats change quickly.
- Lowest economy
- 36,000 miles + $159.20
- economy space on 41 dates
- Lowest business class
- 170,500 miles + $378.60
- business-class space on 40 dates
- Lowest premium economy
- 97,000 miles + $251.70
- premium economy space on 35 dates
Flying Blue award prices by cabin
The lowest one-way Air France/KLM Flying Blue award AwardTool observed on STL→BCN in each cabin, in miles plus taxes.
| Cabin | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| Economy | 36,000 miles + $159.20 | 2 stops | Air France (AF), Delta Air Lines (DL), KLM (KL) | 9+ | 41 | See dates | |
| Premium Economy | 97,000 miles + $251.70 | 2 stops | Air France (AF), Delta Air Lines (DL), KLM (KL) | 3 | 35 | See dates | |
| Business | 170,500 miles + $378.60 | 2 stops | Air France (AF), Delta Air Lines (DL), KLM (KL) | 2 | 40 | 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 Flying Blue award examples
| Departure | Cabin | Points + taxes | Seats | Stops | Observed (UTC) | |
|---|---|---|---|---|---|---|
| Economy | 36,000 miles + $159.20 | 9+ | 2 stops | Check this date | ||
| Economy | 37,500 miles + $168.70 | 9+ | 2 stops | Check this date | ||
| Economy | 41,000 miles + $160.20 | 9+ | 2 stops | Check this date | ||
| Premium Economy | 98,000 miles + $250.20 | 2 | 2 stops | Check this date | ||
| Premium Economy | 99,500 miles + $247.10 | 1 | 2 stops | Check this date | ||
| Premium Economy | 412,000 miles + $252.00 | 1 | 2 stops | Check this date | ||
| Business | 320,500 miles + $364.00 | 1 | 2 stops | Check this date | ||
| Business | 463,000 miles + $366.70 | 3 | 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.
How often Flying Blue award space showed up
Departure dates in the next 365 days that AwardTool checked for Air France/KLM Flying Blue in the last 30 days, how many had award space in each cabin at any price, and the latest departure with space.
| Cabin | Dates with space | Share of dates checked | Latest departure with space |
|---|---|---|---|
| Economy | 41 of 53 | 77% | |
| Premium Economy | 35 of 53 | 66% | |
| Business | 40 of 53 | 75% |
Best months to fly from St. Louis (STL) to Barcelona (BCN) with Flying Blue
| Month | Economy | Premium Economy | Business |
|---|---|---|---|
| 36,000 (2 dates) | 98,000 (2 dates) | 320,500 (2 dates) | |
| 37,500 (3 dates) | 99,500 (1 date) | 476,000 (2 dates) | |
| 42,000 (1 date) | — | 700,000 (1 date) | |
| 36,500 (5 dates) | 100,500 (5 dates) | 170,500 (5 dates) | |
| 41,000 (6 dates) | 97,000 (5 dates) | 318,000 (6 dates) | |
| 78,500 (14 dates) | 419,500 (13 dates) | 470,500 (14 dates) | |
| 90,000 (6 dates) | 412,000 (5 dates) | 461,000 (6 dates) | |
| 75,000 (2 dates) | 97,000 (2 dates) | 328,000 (2 dates) | |
| 55,500 (2 dates) | 443,000 (2 dates) | 318,500 (2 dates) |
How to get Flying Blue miles
- American Express Membership Rewards: 1:1 · Instant
- Bilt Rewards: 1:1 · Instant
- Capital One Miles: 1:1 · Instant
- Chase Ultimate Rewards: 1:1 · Instant
- Citi ThankYou Points: 1:1 · Instant
- Wells Fargo Rewards: 1:1 · Instant
Check current transfer bonuses. Most transfers can't be reversed.
Flying Blue vs other programs from St. Louis (STL) to Barcelona (BCN)
Lowest one-way award per program and cabin on this route.
| Program | Economy | Premium Economy | Business | First |
|---|---|---|---|---|
| Air Canada Aeroplan | 40,000 pts + $75.71 | 65,930 pts + $87.01 | 75,000 pts + $98.51Mixed cabin | — |
| Air France/KLM Flying Blue | 36,000 pts + $159.20 | 97,000 pts + $251.70 | 170,500 pts + $378.60 | — |
| Alaska Atmos Rewards | 27,500 pts + $25.60 | 45,000 pts + $25.60 | 55,000 pts + $25.60LowestMixed cabin | 55,000 pts + $25.60Lowest |
| American Airlines AAdvantage | 21,000 pts + $5.60 | 40,000 pts + $58.80Lowest | 57,500 pts + $26.30 | — |
| Avianca LifeMiles | 40,000 pts + $28.50 | — | — | — |
| Delta SkyMiles | 25,000 pts + $5.60 | 75,000 pts + $5.60 | 125,000 pts + $5.60Mixed cabin | 125,000 pts + $5.60 |
| Etihad Guest | 57,000 pts + $38.00 | — | 110,000 pts + $293.00Mixed cabin | — |
| GOL Smiles | 13,200 pts + taxes not reported | 567,800 pts + taxes not reported | — | — |
| JetBlue TrueBlue | 51,000 pts + $5.60 | — | — | — |
| Lufthansa Miles & More | 88 pts + $326.20Lowest | — | 80,462 pts + $1,499.60 | — |
| Qantas Frequent Flyer | 29,000 pts + $349.00 | 100,600 pts + $1,605.40 | 82,100 pts + $1,454.00 | — |
| United MileagePlus | 38,300 pts + $5.60 | 50,000 pts + $5.60 | 80,000 pts + $5.60Mixed cabin | — |
Questions about Flying Blue award flights from St. Louis (STL) to Barcelona (BCN)
How many miles do you need to fly from St. Louis (STL) to Barcelona (BCN) with Air France/KLM Flying Blue?
The lowest one-way Air France/KLM Flying Blue awards AwardTool observed in the last 30 days (newest observation Oct 19, 2026): economy 36,000 miles + $159.20, with a typical monthly low of 42,000 miles over 9 months and award space on 41 departure dates; premium economy 97,000 miles + $251.70, with a typical monthly low of 99,500 miles over 8 months and award space on 35 departure dates; business class 170,500 miles + $378.60, with a typical monthly low of 328,000 miles over 9 months and award space on 40 departure dates. Monthly lows varied in economy (36,000 to 90,000 miles), premium economy (97,000 to 443,000 miles) and business class (170,500 to 700,000 miles), so the award on your dates may cost more. Search live before transferring points.
What's the lowest Flying Blue award from St. Louis (STL) to Barcelona (BCN)?
In economy, 36,000 miles + $159.20. Seen Sep 27, 2026, 22:16 UTC for an Oct 19, 2026 departure. Air France/KLM Flying Blue showed economy award space on 41 departure dates at any price (newest observation Oct 19, 2026, 20:40 UTC). In business class, 170,500 miles + $378.60. Air France/KLM Flying Blue showed business-class award space on 40 departure dates at any price (newest observation Oct 19, 2026, 20:40 UTC). Search live before transferring points.
Can you book nonstop awards from St. Louis (STL) to Barcelona (BCN) with Flying Blue?
AwardTool hasn't observed nonstop Air France/KLM Flying Blue award space on this route in the last 30 days. That doesn't mean nonstop space never appears.
Which credit card points can book Flying Blue awards from St. Louis (STL) to Barcelona (BCN)?
American Express Membership Rewards (1:1, Instant), Bilt Rewards (1:1, Instant), Capital One Miles (1:1, Instant), Chase Ultimate Rewards (1:1, Instant), Citi ThankYou Points (1:1, Instant) and Wells Fargo Rewards (1:1, Instant). Check current transfer bonuses; most transfers can't be reversed.
Which months had the lowest Flying Blue award prices from St. Louis (STL) to Barcelona (BCN)?
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 Oct 2026 departures: 36,000 miles (2 dates). The month table shows every lowest price, including those. Based on dates we observed, not a forecast.