What is the cheapest airline that flies from Basel EuroAirport Swiss to Washington?

British Airways and Delta are the most popular carriers operating from Basel EuroAirport Swiss to Washington

How old do you have to be to fly from Basel EuroAirport Swiss to Washington?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Basel EuroAirport Swiss to Washington.

What documentation or ID do you need to fly to Washington?

The travel and health documents required for your trip to Washington 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 Washington. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$472 Cheap Flights from Basel EuroAirport Swiss to State of Washington in 2026/27

Find the cheapest flights from Basel EuroAirport Swiss to Washington

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:30 am - 5:00 pmBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

15h 30m1 stop London Luton

6:45 pm - 8:40 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

16h 55m1 stop London Heathrow

$711Multiple Airlines

Thu, Nov 26 - Fri, Dec 4

11:05 am - 4:50 pmBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

14h 45m1 stop London Heathrow

6:45 pm - 6:35 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

14h 50m1 stop London Heathrow

$749British Airways

Wed, Nov 18 - Fri, Nov 27

6:35 am - 11:35 amBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

14h 00m1 stop London Heathrow

1:19 pm - 6:25 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

20h 06m2 stops Chicago O'Hare Intl London Heathrow

$766British Airways

Sat, Apr 10 - Sat, Apr 17

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

24h 10m1 stop London Heathrow

9:31 am - 6:45 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

24h 14m2 stops Philadelphia London Heathrow

$767British Airways

Mon, Nov 16 - Mon, Nov 23

6:00 am - 11:47 amBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

14h 47m1 stop Amsterdam Schiphol

2:35 pm - 1:25 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

13h 50m1 stop Amsterdam Schiphol

$768Air France

Sun, Nov 22 - Tue, Dec 1

11:05 am - 4:50 pmBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

14h 45m1 stop London Heathrow

2:07 pm - 6:35 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

19h 28m2 stops Dallas/Fort Worth London Heathrow

$773British Airways

Thu, Nov 26 - Fri, Dec 4

6:00 am - 11:47 amBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

14h 47m1 stop Amsterdam Schiphol

7:15 am - 10:00 amSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

17h 45m2 stops New York John F Kennedy Intl Paris Charles de Gaulle

$781Air France

Wed, Nov 18 - Fri, Nov 27

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

24h 10m1 stop London Heathrow

6:45 pm - 10:15 amSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

30h 30m1 stop London Heathrow

$786British Airways

Mon, Nov 16 - Mon, Nov 30

8:50 pm - 11:25 amBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

23h 35m1 stop London Heathrow

6:45 pm - 7:50 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

16h 05m1 stop London Heathrow

$787British Airways

Wed, Dec 23 - Wed, Dec 30

4:00 pm - 11:25 amBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

28h 25m1 stop London Heathrow

6:45 pm - 10:15 amSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

30h 30m1 stop London Heathrow

$788British Airways

Fri, Nov 20 - Fri, Nov 27

Cheap last minute flights

Enter your travel dates to find the best prices.

6:40 am - 3:55 pmBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

18h 15m1 stop Frankfurt am Main

5:50 pm - 10:35 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

19h 45m1 stop Frankfurt am Main

$2,112Multiple Airlines

Tue, Nov 3 - Thu, Nov 26

6:40 am - 3:55 pmBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

18h 15m1 stop Frankfurt am Main

5:50 pm - 10:35 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

19h 45m1 stop Frankfurt am Main

$6,810Multiple Airlines

Tue, Nov 3 - Mon, Nov 16

10:50 am - 12:35 amBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

22h 45m2 stops London Heathrow Chicago O'Hare Intl

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

15h 00m1 stop London Heathrow

$6,821British Airways

Tue, Nov 3 - Mon, Nov 16

10:50 am - 12:35 amBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

22h 45m2 stops London Heathrow Chicago O'Hare Intl

10:43 am - 3:15 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

19h 32m2 stops Chicago O'Hare Intl London Heathrow

$6,826British Airways

Tue, Nov 3 - Tue, Nov 17

11:05 am - 12:35 amBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

22h 30m2 stops London Heathrow Chicago O'Hare Intl

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

15h 00m1 stop London Heathrow

$6,887British Airways

Mon, Nov 2 - Mon, Nov 16

7:30 pm - 4:50 pmBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

30h 20m1 stop London Heathrow

1:30 pm - 3:15 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

16h 45m1 stop London Heathrow

$7,102British Airways

Tue, Nov 3 - Tue, Nov 17

6:40 am - 3:55 pmBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

18h 15m1 stop Frankfurt am Main

5:50 pm - 10:35 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

19h 45m1 stop Frankfurt am Main

$7,153Multiple Airlines

Mon, Nov 2 - Mon, Nov 16

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

20h 42m3 stops Frankfurt am Main Munich Franz Josef Strauss Vancouver Intl

7:05 pm - 12:20 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

32h 15m2 stops Vancouver Intl Munich Franz Josef Strauss

$8,364Multiple Airlines

Tue, Nov 3 - Mon, Nov 16

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

20h 42m3 stops Frankfurt am Main Munich Franz Josef Strauss Vancouver Intl

7:05 pm - 2:00 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

33h 55m2 stops Vancouver Intl Frankfurt am Main

$8,385Multiple Airlines

Tue, Nov 3 - Tue, Nov 17

6:40 am - 9:57 pmBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

24h 17m3 stops Frankfurt am Main Montreal Pierre Elliott Trudeau Intl Vancouver Intl

7:05 pm - 12:20 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

32h 15m2 stops Vancouver Intl Munich Franz Josef Strauss

$11,545Multiple Airlines

Mon, Nov 2 - Mon, Nov 16

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British Airways flights from Basel EuroAirport Swiss to State of Washington

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

British Airways

Nov 18

BSL11:05 amBasel EuroAirport Swiss

14h 45m

1 stop

SEA4:50 pmSeattle/Tacoma Intl

Nov 27

SEA6:45 pmSeattle/Tacoma Intl

14h 50m

1 stop

BSL6:35 pmBasel EuroAirport Swiss

$749

British Airways

Apr 10

BSL6:35 amBasel EuroAirport Swiss

14h 00m

1 stop

SEA11:35 amSeattle/Tacoma Intl

Apr 17

SEA1:19 pmSeattle/Tacoma Intl

20h 06m

2 stops

BSL6:25 pmBasel EuroAirport Swiss

$766

British Airways

Nov 16

BSL8:15 pmBasel EuroAirport Swiss

24h 10m

1 stop

SEA11:25 amSeattle/Tacoma Intl

Nov 23

SEA9:31 amSeattle/Tacoma Intl

24h 14m

2 stops

BSL6:45 pmBasel EuroAirport Swiss

$767

Delta flights from Basel EuroAirport Swiss to State of Washington

Our best Delta deals on Basel EuroAirport Swiss to State of Washington flight tickets

Delta

Nov 21

BSL6:00 amBasel EuroAirport Swiss

19h 53m

2 stops

SEA4:53 pmSeattle/Tacoma Intl

Nov 27

SEA7:15 amSeattle/Tacoma Intl

17h 45m

2 stops

BSL10:00 amBasel EuroAirport Swiss

$789

Delta

Nov 25

BSL10:10 amBasel EuroAirport Swiss

15h 43m

2 stops

SEA4:53 pmSeattle/Tacoma Intl

Dec 2

SEA9:18 amSeattle/Tacoma Intl

19h 37m

2 stops

BSL1:55 pmBasel EuroAirport Swiss

$790

Delta

Nov 18

BSL2:00 pmBasel EuroAirport Swiss

18h 57m

2 stops

SEA11:57 pmSeattle/Tacoma Intl

Nov 27

SEA9:25 amSeattle/Tacoma Intl

19h 30m

2 stops

BSL1:55 pmBasel EuroAirport Swiss

$795

momondo Fare Finder

Use the filters below to find and compare flights from Basel EuroAirport Swiss to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaselSeattle

BSL Basel EuroAirport Swiss - SEA Seattle/Tacoma Intl

BSLSEA

Basel EuroAirport Swiss

Thu 11/26

10:30 am-5:00 pm

1 stop15h 30m

Seattle/Tacoma Intl

Fri 12/4

6:45 pm-8:40 pm

1 stop16h 55m

$711

BaselSeattle

BSL Basel EuroAirport Swiss - SEA Seattle/Tacoma Intl

BSLSEA

Basel EuroAirport Swiss

Wed 11/18

11:05 am-4:50 pm

1 stop14h 45m

Seattle/Tacoma Intl

Fri 11/27

6:45 pm-6:35 pm

1 stop14h 50m

$749

BaselSeattle

BSL Basel EuroAirport Swiss - SEA Seattle/Tacoma Intl

BSLSEA

Basel EuroAirport Swiss

Sat 4/10

6:35 am-11:35 am

1 stop14h 00m

Seattle/Tacoma Intl

Sat 4/17

1:19 pm-6:25 pm

2 stops20h 06m

$766

BaselSeattle

BSL Basel EuroAirport Swiss - SEA Seattle/Tacoma Intl

BSLSEA

Basel EuroAirport Swiss

Mon 11/16

8:15 pm-11:25 am

1 stop24h 10m

Seattle/Tacoma Intl

Mon 11/23

9:31 am-6:45 pm

2 stops24h 14m

$767

Quickest round-trip

BaselSeattle

BSL Basel EuroAirport Swiss - SEA Seattle/Tacoma Intl

BSLSEA

Basel EuroAirport Swiss

Sun 11/22

6:00 am-11:47 am

1 stop14h 47m

Seattle/Tacoma Intl

Tue 12/1

2:35 pm-1:25 pm

1 stop13h 50m

$768

BaselSeattle

BSL Basel EuroAirport Swiss - SEA Seattle/Tacoma Intl

BSLSEA

Basel EuroAirport Swiss

Thu 11/26

11:05 am-4:50 pm

1 stop14h 45m

Seattle/Tacoma Intl

Fri 12/4

2:07 pm-6:35 pm

2 stops19h 28m

$773

BaselSeattle

BSL Basel EuroAirport Swiss - SEA Seattle/Tacoma Intl

BSLSEA

Basel EuroAirport Swiss

Wed 11/18

6:00 am-11:47 am

1 stop14h 47m

Seattle/Tacoma Intl

Fri 11/27

7:15 am-10:00 am

2 stops17h 45m

$781

BaselSeattle

BSL Basel EuroAirport Swiss - SEA Seattle/Tacoma Intl

BSLSEA

Basel EuroAirport Swiss

Mon 11/16

8:15 pm-11:25 am

1 stop24h 10m

Seattle/Tacoma Intl

Mon 11/30

6:45 pm-10:15 am

1 stop30h 30m

$786

BaselSeattle

BSL Basel EuroAirport Swiss - SEA Seattle/Tacoma Intl

BSLSEA

Basel EuroAirport Swiss

Wed 12/23

8:50 pm-11:25 am

1 stop23h 35m

Seattle/Tacoma Intl

Wed 12/30

6:45 pm-7:50 pm

1 stop16h 05m

$787

BaselSeattle

BSL Basel EuroAirport Swiss - SEA Seattle/Tacoma Intl

BSLSEA

Basel EuroAirport Swiss

Fri 11/20

4:00 pm-11:25 am

1 stop28h 25m

Seattle/Tacoma Intl

Fri 11/27

6:45 pm-10:15 am

1 stop30h 30m

$788

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

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

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

You could potentially save up to 75% on your flight if you consider stops on a Basel EuroAirport Swiss to State of Washington flight.

Cheap Basel EuroAirport Swiss to State of Washington flight deals and tips

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

Best Price Found	$472
Fastest flight time	14h 00m
Direct flights	None

The best one-way flight to State of Washington from Basel EuroAirport Swiss in the past 72 hours is $472. The best round-trip flight deal from Basel EuroAirport Swiss to State of Washington found on momondo in the last 72 hours is $711.

The fastest flight from Basel EuroAirport Swiss to State of Washington takes 14h 00m

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

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Frequently asked questions about flying from Basel EuroAirport Swiss to Washington

When did momondo last update prices for flights from Basel EuroAirport Swiss to Washington?
Prices for flights from Basel EuroAirport Swiss to Washington refresh daily.
How old do you have to be to fly from Basel EuroAirport Swiss to Washington?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Basel EuroAirport Swiss to Washington.
What documentation or ID do you need to fly to Washington?
The travel and health documents required for your trip to Washington 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 Washington. 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 Basel to Washington?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Basel to Washington for you.

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

momondo does allow users to show only those flights to Washington from Basel which offer a flexible booking policy as well as other useful filters and features.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Basel to Washington.

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

Price alerts on flights to Washington from Basel are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.