$323 Cheap Flights from Washington to Basel in 2026/27 | momondo

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Find the cheapest flights from Washington to Basel

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:30 pm - 1:45 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

15h 15m1 stop Paris Charles de Gaulle

6:30 am - 11:33 amBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

14h 03m1 stop Amsterdam Schiphol

$720Delta

Mon, Apr 19 - Tue, May 4

1:30 pm - 1:45 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

15h 15m1 stop Paris Charles de Gaulle

10:15 am - 4:20 pmBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

15h 05m1 stop Amsterdam Schiphol

$720Delta

Tue, Apr 20 - Tue, May 4

1:30 pm - 1:45 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

15h 15m1 stop Paris Charles de Gaulle

6:30 am - 4:20 pmBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

18h 50m1 stop Amsterdam Schiphol

$720Delta

Sun, Apr 25 - Fri, Apr 30

1:30 pm - 1:45 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

15h 15m1 stop Paris Charles de Gaulle

2:20 pm - 4:20 pmBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

35h 00m1 stop Amsterdam Schiphol

$720Delta

Mon, Apr 19 - Mon, May 3

1:30 pm - 1:45 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

15h 15m1 stop Paris Charles de Gaulle

6:30 am - 4:20 pmBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

18h 50m1 stop Amsterdam Schiphol

$720Delta

Mon, Apr 19 - Wed, Apr 28

1:30 pm - 1:45 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

15h 15m1 stop Paris Charles de Gaulle

6:30 am - 4:20 pmBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

18h 50m1 stop Amsterdam Schiphol

$720Delta

Tue, Apr 20 - Fri, Apr 30

1:30 pm - 1:45 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

15h 15m1 stop Paris Charles de Gaulle

2:20 pm - 11:33 amBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

30h 13m1 stop Amsterdam Schiphol

$720Delta

Tue, Apr 20 - Mon, May 3

1:30 pm - 1:45 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

15h 15m1 stop Paris Charles de Gaulle

10:15 am - 4:20 pmBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

15h 05m1 stop Amsterdam Schiphol

$720Delta

Sun, Apr 25 - Tue, May 4

1:30 pm - 1:45 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

15h 15m1 stop Paris Charles de Gaulle

6:30 am - 4:20 pmBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

18h 50m1 stop Amsterdam Schiphol

$720Delta

Mon, Apr 19 - Fri, Apr 30

1:30 pm - 1:45 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

15h 15m1 stop Paris Charles de Gaulle

2:20 pm - 11:33 amBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

30h 13m1 stop Amsterdam Schiphol

$720Delta

Sun, Apr 25 - Mon, May 3

Cheap last minute flights

Enter your travel dates to find the best prices.

6:45 pm - 6:45 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

15h 00m1 stop London Heathrow

8:15 pm - 11:25 amBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

24h 10m1 stop London Heathrow

$841British Airways

Mon, Nov 9 - Mon, Nov 23

6:45 pm - 6:45 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

15h 00m1 stop London Heathrow

8:15 pm - 11:25 amBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

24h 10m1 stop London Heathrow

$841British Airways

Mon, Nov 9 - Mon, Nov 16

2:07 pm - 6:45 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

19h 38m2 stops Dallas/Fort Worth London Heathrow

8:15 pm - 11:25 amBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

24h 10m1 stop London Heathrow

$848British Airways

Mon, Nov 9 - Mon, Nov 23

12:47 pm - 6:45 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

20h 58m2 stops Dallas/Fort Worth London Heathrow

8:15 pm - 11:25 amBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

24h 10m1 stop London Heathrow

$848British Airways

Mon, Nov 9 - Mon, Nov 16

8:09 am - 4:05 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

22h 56m2 stops Washington, D.C. Dulles Intl Munich Franz Josef Strauss

8:10 pm - 8:56 pmBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

33h 46m2 stops Vienna Intl Washington, D.C. Dulles Intl

$865Multiple Airlines

Mon, Nov 9 - Mon, Nov 23

1:50 pm - 2:00 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

15h 10m1 stop Frankfurt am Main

8:00 pm - 1:25 pmBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

50h 25m3 stops Munich Franz Josef Strauss Toronto Pearson Intl Houston George Bush Intcntl

$866Multiple Airlines

Mon, Nov 9 - Mon, Nov 16

7:35 pm - 12:20 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

31h 45m3 stops San Francisco Toronto Pearson Intl Munich Franz Josef Strauss

6:40 am - 6:22 pmBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

20h 42m2 stops Frankfurt am Main Vancouver Intl

$892Multiple Airlines

Mon, Nov 9 - Mon, Nov 23

8:40 am - 2:00 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

20h 20m2 stops Vancouver Intl Frankfurt am Main

2:40 pm - 2:32 pmBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

32h 52m3 stops Frankfurt am Main Toronto Pearson Intl Vancouver Intl

$903Air Canada

Mon, Nov 9 - Mon, Nov 16

3:59 pm - 8:00 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

43h 01m3 stops Los Angeles Hong Kong Intl London Heathrow

4:35 pm - 9:56 pmBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

38h 21m3 stops London Heathrow Hong Kong Intl Los Angeles

$13,178Multiple Airlines

Mon, Nov 9 - Mon, Nov 23

5:59 pm - 8:00 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

41h 01m3 stops Los Angeles Hong Kong Intl London Heathrow

4:35 pm - 11:42 pmBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

40h 07m3 stops London Heathrow Hong Kong Intl Los Angeles

$13,178Multiple Airlines

Mon, Nov 9 - Mon, Nov 16

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British Airways flights from State of Washington to Basel

Our best British Airways deals on State of Washington to Basel flight tickets

British Airways

Jan 20

SEA2:17 pmSeattle/Tacoma Intl

20h 33m

2 stops

BSL7:50 pmBasel EuroAirport Swiss

Jan 27

BSL8:50 pmBasel EuroAirport Swiss

23h 35m

1 stop

SEA11:25 amSeattle/Tacoma Intl

$786

British Airways

Apr 24

SEA8:20 pmSeattle/Tacoma Intl

13h 05m

1 stop

BSL6:25 pmBasel EuroAirport Swiss

Apr 29

BSL6:10 amBasel EuroAirport Swiss

14h 25m

1 stop

SEA11:35 amSeattle/Tacoma Intl

$787

British Airways

Nov 9

SEA6:45 pmSeattle/Tacoma Intl

15h 00m

1 stop

BSL6:45 pmBasel EuroAirport Swiss

Nov 16

BSL8:15 pmBasel EuroAirport Swiss

24h 10m

1 stop

SEA11:25 amSeattle/Tacoma Intl

$841

Air Canada flights from State of Washington to Basel

Our best Air Canada deals on State of Washington to Basel flight tickets

Air Canada

Apr 25

SEA7:45 amSeattle/Tacoma Intl

21h 25m

2 stops

BSL2:10 pmBasel EuroAirport Swiss

Apr 28

BSL6:30 amBasel EuroAirport Swiss

35h 50m

2 stops

SEA9:20 amSeattle/Tacoma Intl

$744

Air Canada

Apr 25

SEA7:45 amSeattle/Tacoma Intl

21h 25m

2 stops

BSL2:10 pmBasel EuroAirport Swiss

Apr 29

BSL6:30 amBasel EuroAirport Swiss

23h 18m

2 stops

SEA8:48 pmSeattle/Tacoma Intl

$751

Air Canada

Apr 22

SEA7:45 amSeattle/Tacoma Intl

16h 35m

2 stops

BSL9:20 amBasel EuroAirport Swiss

May 4

BSL6:30 amBasel EuroAirport Swiss

16h 45m

2 stops

SEA2:15 pmSeattle/Tacoma Intl

$793

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Cheapest round-trip

Quickest round-trip

SeattleBasel

SEA Seattle/Tacoma Intl - BSL Basel EuroAirport Swiss

SEABSL

Seattle/Tacoma Intl

Mon 4/19

1:30 pm-1:45 pm

1 stop15h 15m

Basel EuroAirport Swiss

Tue 5/4

6:30 am-11:33 am

1 stop14h 03m

$720

SeattleBasel

SEA Seattle/Tacoma Intl - BSL Basel EuroAirport Swiss

SEABSL

Seattle/Tacoma Intl

Tue 4/20

1:30 pm-1:45 pm

1 stop15h 15m

Basel EuroAirport Swiss

Tue 5/4

10:15 am-4:20 pm

1 stop15h 05m

$720

SeattleBasel

SEA Seattle/Tacoma Intl - BSL Basel EuroAirport Swiss

SEABSL

Seattle/Tacoma Intl

Sun 4/25

1:30 pm-1:45 pm

1 stop15h 15m

Basel EuroAirport Swiss

Fri 4/30

6:30 am-4:20 pm

1 stop18h 50m

$720

SeattleBasel

SEA Seattle/Tacoma Intl - BSL Basel EuroAirport Swiss

SEABSL

Seattle/Tacoma Intl

Mon 4/19

1:30 pm-1:45 pm

1 stop15h 15m

Basel EuroAirport Swiss

Mon 5/3

2:20 pm-4:20 pm

1 stop35h 00m

$720

SeattleBasel

SEA Seattle/Tacoma Intl - BSL Basel EuroAirport Swiss

SEABSL

Seattle/Tacoma Intl

Mon 4/19

1:30 pm-1:45 pm

1 stop15h 15m

Basel EuroAirport Swiss

Wed 4/28

6:30 am-4:20 pm

1 stop18h 50m

$720

SeattleBasel

SEA Seattle/Tacoma Intl - BSL Basel EuroAirport Swiss

SEABSL

Seattle/Tacoma Intl

Tue 4/20

1:30 pm-1:45 pm

1 stop15h 15m

Basel EuroAirport Swiss

Fri 4/30

6:30 am-4:20 pm

1 stop18h 50m

$720

SeattleBasel

SEA Seattle/Tacoma Intl - BSL Basel EuroAirport Swiss

SEABSL

Seattle/Tacoma Intl

Tue 4/20

1:30 pm-1:45 pm

1 stop15h 15m

Basel EuroAirport Swiss

Mon 5/3

2:20 pm-11:33 am

1 stop30h 13m

$720

SeattleBasel

SEA Seattle/Tacoma Intl - BSL Basel EuroAirport Swiss

SEABSL

Seattle/Tacoma Intl

Sun 4/25

1:30 pm-1:45 pm

1 stop15h 15m

Basel EuroAirport Swiss

Tue 5/4

10:15 am-4:20 pm

1 stop15h 05m

$720

SeattleBasel

SEA Seattle/Tacoma Intl - BSL Basel EuroAirport Swiss

SEABSL

Seattle/Tacoma Intl

Mon 4/19

1:30 pm-1:45 pm

1 stop15h 15m

Basel EuroAirport Swiss

Fri 4/30

6:30 am-4:20 pm

1 stop18h 50m

$720

SeattleBasel

SEA Seattle/Tacoma Intl - BSL Basel EuroAirport Swiss

SEABSL

Seattle/Tacoma Intl

Sun 4/25

1:30 pm-1:45 pm

1 stop15h 15m

Basel EuroAirport Swiss

Mon 5/3

2:20 pm-11:33 am

1 stop30h 13m

$720

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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How to get the cheapest flight ticket from State of Washington to Basel

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

Can stopping save me money on State of Washington to Basel flights?

You could potentially save up to 15% on your flight if you consider stops on a State of Washington to Basel flight.

Cheap State of Washington to Basel flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Basel

Best Price Found	$323
Fastest flight time	16h 00m
Direct flights	None

The best one-way flight to Basel from State of Washington in the past 72 hours is $323. The best round-trip flight deal from State of Washington to Basel found on momondo in the last 72 hours is $720.

The fastest flight from State of Washington to Basel takes 16h 00m

There are no direct flights from State of Washington to Basel. There are no popular flight routes from State of Washington to Basel.

Search flight deals

Frequently asked questions about flying from Washington to Basel

When did momondo last update prices for flights from Washington to Basel?
Prices for flights from Washington to Basel are refreshed on a daily basis.
How old do you have to be to fly from Washington to Basel?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington to Basel.
What documentation or ID do you need to fly to Basel?
The travel and health documents required for your trip to Basel can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Basel. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

Why should I use momondo to find a flight deal from Washington to Basel?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Basel from Washington.

Can I find flights from Washington to Basel with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Basel from Washington with this policy.

How can momondo help me find flights from Washington to Basel?

Once you have performed a search for Washington to Basel flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Washington to Basel right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Washington to Basel flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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