United MileagePlus award flights from Seattle (SEA) to Basel-Mulhouse (BSL)
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In the last 30 days AwardTool saw United MileagePlus award space for SEA→BSL in economy, premium economy and business class. Lowest economy: 44,000 miles + $28.80 (economy space on 6 dates). Lowest business class: 88,000 miles + $49.40 (business-class space on 6 dates). Lowest premium economy: 55,000 miles + $49.40 (premium economy space on 6 dates).
Prices observed – ; newest observation .
Page regenerated from the Oct 19, 2026 data snapshot (normally daily). Summary last changed . Seats change quickly.
- Lowest economy
- 44,000 miles + $28.80
- economy space on 6 dates
- Lowest business class
- 88,000 miles + $49.40
- business-class space on 6 dates
- Lowest premium economy
- 55,000 miles + $49.40
- premium economy space on 6 dates
MileagePlus award prices by cabin
The lowest one-way United MileagePlus award AwardTool observed on SEA→BSL in each cabin, in miles plus taxes.
| Cabin | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| Economy | 44,000 miles + $28.80 | 2 stops | Air Canada (AC), JetBlue (B6), Aer Lingus (EI), Air Dolomiti (EN) +6 more | 9+ | 6 | See dates | |
| Premium Economy | 55,000 miles + $49.40 | 2 stops | Air Dolomiti (EN), Lufthansa (LH), United Airlines (UA) | 7 | 6 | See dates | |
| Business | 88,000 miles + $49.40 | 2 stops | Air Canada (AC), Aer Lingus (EI), Air Dolomiti (EN), Lufthansa (LH) +3 more | 2 | 6 | 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 MileagePlus award examples
| Departure | Cabin | Points + taxes | Seats | Stops | Observed (UTC) | |
|---|---|---|---|---|---|---|
| Economy | 44,000 miles + $28.80 | 9+ | 2 stops | Check this date | ||
| Economy | 44,000 miles + $28.80 | 9+ | 1 stop | Check this date | ||
| Economy | 44,000 miles + $28.80 | 9+ | 2 stops | Check this date | ||
| Premium Economy | 55,000 miles + $49.40 | 7 | 2 stops | Check this date | ||
| Premium Economy | 127,800 miles + $50.50 | 6 | 2 stops | Check this date | ||
| Premium Economy | 127,800 miles + $50.50 | 9+ | 2 stops | Check this date | ||
| Business | 88,000 miles + $49.40 | 2 | 2 stops | Check this date | ||
| Business | 200,000 miles + $28.80 | 9+ | 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 MileagePlus award space showed up
Departure dates in the next 365 days that AwardTool checked for United MileagePlus 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 | 6 of 6 | 100% | |
| Premium Economy | 6 of 6 | 100% | |
| Business | 6 of 6 | 100% |
How to get MileagePlus miles
- Bilt Rewards: 1:1 · Instant
- Chase Ultimate Rewards: 1:1 · Instant
Check current transfer bonuses. Most transfers can't be reversed.
MileagePlus vs other programs from Seattle (SEA) to Basel-Mulhouse (BSL)
Lowest one-way award per program and cabin on this route.
| Program | Economy | Premium Economy | Business | First |
|---|---|---|---|---|
| Air Canada Aeroplan | 42,500 pts + $99.41 | 80,714 pts + $129.21 | 75,000 pts + $122.51 | — |
| Air France/KLM Flying Blue | 25,000 pts + $152.90 | 95,000 pts + $247.50 | 247,500 pts + $362.20 | — |
| Alaska Atmos Rewards | 27,500 pts + $373.20 | 35,000 pts + $568.20Lowest | 70,000 pts + $1,023.40Mixed cabin | 82,500 pts + $1,023.20Lowest |
| American Airlines AAdvantage | 21,000 pts + $5.60Lowest | 40,000 pts + $552.70 | 57,500 pts + $752.70Lowest | — |
| Qantas Frequent Flyer | 43,500 pts + $346.40 | 106,000 pts + $147.40 | 160,500 pts + $1,473.40 | — |
| United MileagePlus | 44,000 pts + $28.80 | 55,000 pts + $49.40 | 88,000 pts + $49.40 | — |
Questions about MileagePlus award flights from Seattle (SEA) to Basel-Mulhouse (BSL)
How many miles do you need to fly from Seattle (SEA) to Basel-Mulhouse (BSL) with United MileagePlus?
The lowest one-way United MileagePlus awards AwardTool observed in the last 30 days (newest observation Oct 11, 2026): economy 44,000 miles + $28.80, with award space on 6 departure dates; premium economy 55,000 miles + $49.40, with award space on 6 departure dates; business class 88,000 miles + $49.40, with award space on 6 departure dates. Monthly lows varied in premium economy (55,000 to 127,800 miles) and business class (88,000 to 200,000 miles), so the award on your dates may cost more. Search live before transferring points.
What's the lowest MileagePlus award from Seattle (SEA) to Basel-Mulhouse (BSL)?
In economy, 44,000 miles + $28.80. Seen Sep 20, 2026, 18:44 UTC for a Nov 7, 2026 departure. United MileagePlus showed economy award space on 6 departure dates at any price (newest observation Oct 11, 2026, 06:45 UTC). In business class, 88,000 miles + $49.40. Seen Oct 11, 2026, 06:45 UTC for an Oct 18, 2026 departure. United MileagePlus showed business-class award space on 6 departure dates at any price (newest observation Oct 11, 2026, 06:45 UTC). Search live before transferring points.
Can you book nonstop awards from Seattle (SEA) to Basel-Mulhouse (BSL) with MileagePlus?
AwardTool hasn't observed nonstop United MileagePlus award space on this route in the last 30 days. That doesn't mean nonstop space never appears.
Which credit card points can book MileagePlus awards from Seattle (SEA) to Basel-Mulhouse (BSL)?
Bilt Rewards (1:1, Instant) and Chase Ultimate Rewards (1:1, Instant). Check current transfer bonuses; most transfers can't be reversed.