Find out what a flight from Seattle to Basel Mulhouse might cost

Prices vary based on date, airline, and availability. Compare several options if you're flying between Seattle and Basel / Mulhouse.

Select your dates to check current offers.

Try shifting your departure forward or backward by a day to find better options. If you’re looking for a good deal, consider flying outside peak hours as well.

Planning flights between Seattle and Basel / Mulhouse? Don’t forget the airport options

Especially when flying to medium or large cities, it's worth checking all possible airport combinations before booking.

• Airports in Seattle: 2 airports are listed in Seattle - Boeing Field, Lake Union.
• Airports in Basel / Mulhouse: Basel / Mulhouse features 2 airports - EuroAirport CH, EuroAirport FR.

Check for differences in transport costs to and from each airport — they affect your total spend. Choosing the right airport can make a real difference in price and timing.

Adjust your flight filters for Seattle – Basel Mulhouse

Jetcost gives you tools to search smarter. Pick your ideal price range, airline, departure time, and flight type — then compare offers from the best travel agencies and carriers.

Other popular destinations

Planning a trip to Switzerland? These cities are popular too: Basel / Mulhouse, Bern, Geneva, Lugano, Zurich.

Sorting options let you see the most affordable flights first. Some results may include extra fees shown only at checkout — always read carefully to see what’s included.