Air France/KLM Flying Blue award flights from Boston (BOS) to Basel-Mulhouse (BSL)
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In the last 30 days AwardTool saw Air France/KLM Flying Blue award space for BOS→BSL in economy, premium economy and business class. Lowest economy: 18,750 miles + $152.60 (economy space on 21 dates). Lowest business class: 232,500 miles + $362.20 (business-class space on 21 dates). Lowest premium economy: 40,000 miles + $252.67 (premium economy space on 21 dates).
Prices observed – ; newest observation .
Page regenerated from the Oct 19, 2026 data snapshot (normally daily). Summary last changed . Seats change quickly.
- Lowest economy
- 18,750 miles + $152.60
- economy space on 21 dates
- Lowest business class
- 232,500 miles + $362.20
- business-class space on 21 dates
- Lowest premium economy
- 40,000 miles + $252.67
- premium economy space on 21 dates
Flying Blue award prices by cabin
The lowest one-way Air France/KLM Flying Blue award AwardTool observed on BOS→BSL in each cabin, in miles plus taxes.
| Cabin | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| Economy | 18,750 miles + $152.60 | 1 stop | Air France (AF), Delta Air Lines (DL), KLM (KL), SAS (SK) +1 more | 9+ | 21 | See dates | |
| Premium Economy | 40,000 miles + $252.67 | 1 stop | Air France (AF), Delta Air Lines (DL), KLM (KL), SAS (SK) | 9+ | 21 | See dates | |
| Business | 232,500 miles + $362.20 | 1 stop | Air France (AF), Delta Air Lines (DL), KLM (KL) | 3 | 21 | 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 | 18,750 miles + $159.29 | 5 | 1 stop | Check this date | ||
| Economy | 18,750 miles + $152.60 | 9+ | 1 stop | Check this date | ||
| Economy | 18,750 miles + $152.90 | 9+ | 1 stop | Check this date | ||
| Premium Economy | 40,000 miles + $252.67 | 9+ | 1 stop | Check this date | ||
| Premium Economy | 86,000 miles + $83.10 | 5 | 2 stops | Check this date | ||
| Premium Economy | 87,000 miles + $243.40 | 9+ | 1 stop | Check this date | ||
| Business | 239,000 miles + $387.50 | 1 | 2 stops | Check this date | ||
| Business | 239,500 miles + $367.20 | 1 | 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 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 | 21 of 21 | 100% | |
| Premium Economy | 21 of 21 | 100% | |
| Business | 21 of 21 | 100% |
Best months to fly from Boston (BOS) to Basel-Mulhouse (BSL) with Flying Blue
| Month | Economy | Premium Economy | Business |
|---|---|---|---|
| 18,750 (2 dates) | 40,000 (2 dates) | 297,000 (2 dates) | |
| 18,750 (8 dates) | 86,000 (8 dates) | 240,000 (8 dates) | |
| 25,500 (7 dates) | 85,000 (7 dates) | 233,000 (7 dates) | |
| 25,000 (4 dates) | 343,000 (4 dates) | 232,500 (4 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 Boston (BOS) to Basel-Mulhouse (BSL)
Lowest one-way award per program and cabin on this route.
| Program | Economy | Premium Economy | Business | First |
|---|---|---|---|---|
| Air Canada Aeroplan | 32,500 pts + $119.61 | 66,211 pts + $151.21 | 385,686 pts + $175.01Mixed cabin | — |
| Air France/KLM Flying Blue | 18,750 pts + $152.60Lowest | 40,000 pts + $252.67Lowest | 232,500 pts + $362.20 | — |
| Alaska Atmos Rewards | 22,500 pts + $373.20 | — | 45,000 pts + $1,024.90Lowest | 70,000 pts + $44.80Lowest |
| American Airlines AAdvantage | 21,000 pts + $5.60 | 40,000 pts + $24.80 | 57,500 pts + $24.80 | 85,000 pts + $24.80 |
| United MileagePlus | 44,000 pts + $13.40 | 55,000 pts + $28.30 | 88,000 pts + $49.70 | — |
Questions about Flying Blue award flights from Boston (BOS) to Basel-Mulhouse (BSL)
How many miles do you need to fly from Boston (BOS) to Basel-Mulhouse (BSL) 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 17, 2026): economy 18,750 miles + $152.60, with a typical monthly low of 18,750 miles over 4 months and award space on 21 departure dates; premium economy 40,000 miles + $252.67, with a typical monthly low of 85,000 miles over 4 months and award space on 21 departure dates; business class 232,500 miles + $362.20, with a typical monthly low of 233,000 miles over 4 months and award space on 21 departure dates. Monthly lows varied in economy (18,750 to 25,500 miles), premium economy (40,000 to 343,000 miles) and business class (232,500 to 297,000 miles), so the award on your dates may cost more. Search live before transferring points.
What's the lowest Flying Blue award from Boston (BOS) to Basel-Mulhouse (BSL)?
In economy, 18,750 miles + $152.60. Seen Oct 17, 2026, 14:46 UTC for a Nov 12, 2026 departure. Air France/KLM Flying Blue showed economy award space on 21 departure dates at any price (newest observation Oct 17, 2026, 15:11 UTC). In business class, 232,500 miles + $362.20. Air France/KLM Flying Blue showed business-class award space on 21 departure dates at any price (newest observation Oct 17, 2026, 15:11 UTC). Search live before transferring points.
Can you book nonstop awards from Boston (BOS) to Basel-Mulhouse (BSL) 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 Boston (BOS) to Basel-Mulhouse (BSL)?
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 Boston (BOS) to Basel-Mulhouse (BSL)?
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: 18,750 miles (8 dates). The month table shows every lowest price, including those. Based on dates we observed, not a forecast.