Cheap flights from Seattle to Basel from £256

Cheap flights from Seattle to Basel from £256

Trusted by millions

Kiwi.com Guarantee for stress-free travel

One search, all the best deals

Explore flight deals to Basel

3 stops
Mon, Apr 27
Seattle SEABasel BSL
£256
Search
3 stops
Mon, Apr 27
Seattle SEABasel BSL
£258
Search
3 stops
Tue, Apr 28
Seattle SEABasel BSL
£280
Search
2 stops
Tue, Apr 28
Seattle SEABasel BSL
£319
Search
3 stops
Thu, Apr 30
Seattle SEABasel BSL
£356
Search
3 stops
Tue, Apr 28
Seattle SEABasel BSL
£408
Search

Not happy with the results? Try some of our useful filters

Search by stops

Search by carrier

Search by price

Search by departure date

3 stops
Thu, Apr 30 – Wed, May 6
Seattle SEABasel BSL
£796
Search
3 stops
Thu, Apr 30 – Tue, May 5
Seattle SEABasel BSL
£797
Search
3 stops
Thu, Apr 30 – Tue, May 5
Seattle SEABasel BSL
£800
Search
3 stops
Thu, Apr 30 – Wed, May 6
Seattle SEABasel BSL
£804
Search
3 stops
Thu, Apr 30 – Wed, May 6
Seattle SEABasel BSL
£807
Search
2 stops
Wed, Apr 29 – Sun, May 3
Seattle SEABasel BSL
£931
Search

Not happy with the results? Try some of our useful filters

Search by stops

Search by carrier

Search by price

Search by departure date

How much do flights to Basel cost?

Cheapest one-way trip

£256

Cheapest round-trip

£796

Average round-trip

£841

Includes rare itinerary

Travel hack

Most popular airline

easyJet

Getting from Basel airport to the city center

Fastest options: Bus 50 direct to Basel SBB station. Best value: public bus services offering affordable connections.

Basel is served by EuroAirport Basel Mulhouse Freiburg (BSL/MLH/EAP), a unique trinational airport located 6 km northwest of the city center on French territory. This airport offers convenient airport transfers to city center destinations via direct bus services, taxis, and private transfers. The airport serves Basel (Switzerland), Mulhouse (France), and Freiburg (Germany), with separate Swiss and French sectors. Journey times to Basel city center are typically short, making it one of the most accessible airports in the region.

Transport Option

Typical Time

Typical Cost

Frequency

Best For

15-20 min

CHF 5 (single ticket fare)

every 7–15 min (traffic dependent)

fastest public transport

15-25 min

CHF 40-CHF 55 (metered; varies by traffic and destination)

on-demand 24/7 (traffic dependent)

door-to-door convenience

15-25 min

CHF 35-CHF 50 (surge pricing may apply)

on-demand (traffic dependent)

app-based booking

15-25 min

CHF 60-CHF 90 (pre-booked fixed rate)

pre-booked (traffic dependent)

groups or guaranteed pickup

15-25 min

CHF 50-CHF 100 (daily rate; varies by provider)

on-demand (traffic dependent)

flexibility and onward travel

20-30 min

CHF 5-CHF 15 (advance booking recommended)

limited departures (traffic dependent)

budget long-distance travelers

Notes:

  • Prices in CHF; table created in 2025 and subject to change.
  • Bus 50 departs from the Swiss sector of EuroAirport and accepts Swiss travel passes and tickets.
  • The airport is located on French territory; travelers exiting via the French sector may need different transport options.
  • Taxi fares are metered and may vary based on traffic conditions and final destination within Basel.
  • We recommend checking official transport websites for your travel planning.

Updated: December 2025

Key info about flying to Basel

Depart from
Seattle–Tacoma International
Arrive to
EuroAirport Basel Mulhouse Freiburg
Average flights per week
400
Flight distance
Worth visiting
Black Forest - Eiger, Switzerland - Lake Geneva

Check-in for a flight from Seattle to Basel

NameCarrier codeIATA CodePassport needed during booking
easyJetEZYU2Yes
KLM Royal Dutch AirlinesKLMKLNo
RyanairRYRFRNo
Air FranceAFRAFNo
IcelandairICEFINo

Online check-in is not available for these airlines.

Weather in Basel

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January4°C-1°C
February7°C0°C
March11°C2°C
April15°C5°C
May18°C8°C
June23°C12°C
July25°C14°C
August25°C14°C
September21°C11°C
October16°C7°C
November10°C3°C
December6°C0°C
Hottest Month
25°C
August
Coldest month
-1°C
January
Sunny days
254
days per year
Snow days
11
days per year

14 day forecast

Sunday
12 Apr
96%
8°C5°C
19 Apr
89%
15°C4°C
Monday
13 Apr
85%
7°C6°C
20 Apr
88%
12°C3°C
Tuesday
14 Apr
87%
11°C5°C
21 Apr
88%
13°C2°C
Wednesday
15 Apr
16°C2°C
22 Apr
87%
16°C5°C
Thursday
16 Apr
87%
15°C6°C
23 Apr
19°C5°C
Friday
17 Apr
87%
17°C6°C
24 Apr
19°C8°C
Saturday
18 Apr
88%
16°C8°C
25 Apr
87%
12°C10°C
Travelers usually depart from Seattle–Tacoma International, Kenmore Air Harbor Seaplane Base, or Boeing Field when they travel from Seattle to Basel. Book your trip to arrive at EuroAirport Basel Mulhouse Freiburg, or Mulhouse/Basel EuroAirport French FR. The most popular airlines for this route are easyJet, KLM Royal Dutch Airlines, Ryanair, Air France, and Icelandair. Seattle and Basel have 400 direct flights per week. When you arrive at Basel, consider visiting Black Forest, Eiger, Switzerland, and Lake Geneva.

Frequently asked questions

What are the most popular routes to and from Seattle?
Travelers frequently search for route combinations, such as Seattle and London, Mexico City, New York, Las Vegas, Los Angeles, Guadalajara, Calgary, Edinburgh, Phoenix, San Francisco, Dallas, Chicago, Honolulu, San Diego, Ontario, Glasgow, Belfast, Denver, Istanbul, Kahului.
What are the most popular routes to and from Basel?
Travelers frequently search for route combinations, such as Basel and London, Manchester, Budapest, Bucharest, Edinburgh, Warsaw, Pristina, Newcastle upon Tyne, Tirana, Sofia, Iași, Barcelona, Skopje, Tel Aviv, Belgrade, Cluj-Napoca, Bristol, Istanbul, Tbilisi, Madrid.
Which airports are there in Seattle?
Seattle is mainly served by Seattle–Tacoma International. But there are other airports nearby, including Kenmore Air Harbor Seaplane Base, Boeing Field.
What airports are near Seattle?
The main airport in Seattle is Seattle–Tacoma International. It is also served by Vancouver International, Portland International, Bellingham International, Abbotsford International, Paine Field Everett, Vancouver Harbour Flight Centre, Victoria Inner Harbour SPB, Yakima Air Terminal, Pangborn Memorial.
What airports are near Basel?
The main airport in Basel is EuroAirport Basel Mulhouse Freiburg. It is also served by Zürich Airport, Geneva, Stuttgart, Memmingen, Karlsruhe/Baden-Baden, Strasbourg, Friedrichshafen, Saarbrücken, Dole–Jura, Metz–Nancy–Lorraine.
Which airlines fly between Seattle and Basel?
Currently, you can fly between Seattle and Basel with easyJet, KLM Royal Dutch Airlines, Ryanair, Air France, Icelandair.
When’s the best time to travel between Seattle and Basel?
If you don’t have specific dates for your trip between Seattle and Basel, you can enter a date range into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book up to six months from the day of your search. Order the search results by the best, cheapest, or fastest route, or find the cheapest outbound and return combination in the pricing table.
What flights operate between Seattle and Basel?
Traveling between Seattle and Basel, you can choose between direct (nonstop) flights or flights with one or more stops. You can select the number of stops on your journey, including an overnight stopover, and the duration of the stopover. What’s more, you can also select where you want to have your stopover. Want to say "Hi" to a friend in another city en route to your destination? Or fancy a quick round of shopping? Go Multi-City or Nomad and add places to your search that you wish to visit.
How many airports are there near Seattle?
There are a number of airports in and around Seattle. The main one is Seattle–Tacoma International and other nearby airports include Vancouver International, Portland International, Bellingham International, Abbotsford International, Paine Field Everett, Vancouver Harbour Flight Centre, Victoria Inner Harbour SPB, Yakima Air Terminal, Pangborn Memorial
How many airports are there near Basel?
What time do nonstop (direct) flights between Seattle and Basel depart?
What time do nonstop (direct) flights between Seattle and Basel arrive?
What time do flights between Seattle and Basel depart?
What time do flights between Seattle and Basel arrive?

Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any origin and destination in the world by plane. Find the cheapest routes and best deals, as well as the best dates to travel.

Search flightsSearch direct flights

Explore alternative trips

Flights from Seattle

Flights to Basel

Popular routes

The nearest countries with flights to Basel

Here is a list of countries people are flying from

Other destination countries from Seattle

Here is a list of countries people are flying to

Airports near Seattle

Airports near Basel

Download our app

Start your next adventure now. Download our app and explore cheap flights effortlessly!

Search flights
Find the best connection from Seattle to Basel

Search, compare, and book flights to get there.

Search flights