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

American Airlines is the most popular carrier operating from Basel to Washington

When did momondo last update prices for flights from Basel to Washington?

Prices for flights from Basel to Washington refresh daily.

How old do you have to be to fly from Basel 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 to Washington.

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

The required travel and health documents for your Washington trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$469 Cheap Flights from Basel to Washington in 2026

Find the cheapest flights from Basel to Washington

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:40 am - 11:25 amBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

33h 45m2 stops Barcelona-El Prat London Heathrow

6:45 pm - 7:25 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

15h 40m1 stop London Heathrow

$738Multiple Airlines

Mon, Nov 23 - Sun, Dec 6

6:10 am - 11:35 amBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

14h 25m1 stop London Heathrow

2:12 pm - 7:20 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

20h 08m2 stops Dallas/Fort Worth London Heathrow

$739Multiple Airlines

Thu, Sep 17 - Wed, Sep 23

6:10 am - 11:35 amBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

14h 25m1 stop London Heathrow

8:20 pm - 10:55 amSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

29h 35m1 stop London Heathrow

$746American Airlines

Thu, Sep 17 - Wed, Sep 23

6:10 am - 4:42 pmBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

19h 32m2 stops London Heathrow Dallas/Fort Worth

8:20 am - 11:00 amSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

17h 40m2 stops Philadelphia London Heathrow

$754American Airlines

Thu, Sep 24 - Mon, Sep 28

6:10 am - 4:42 pmBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

19h 32m2 stops London Heathrow Dallas/Fort Worth

3:14 pm - 6:20 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

18h 06m2 stops Chicago O'Hare Intl London Heathrow

$755American Airlines

Thu, Oct 1 - Mon, Oct 5

6:10 am - 4:42 pmBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

19h 32m2 stops London Heathrow Dallas/Fort Worth

8:24 am - 11:15 amSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

17h 51m2 stops Charlotte Douglas London Heathrow

$756American Airlines

Thu, Sep 17 - Wed, Sep 23

6:30 am - 4:35 pmBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

19h 05m1 stop Amsterdam Schiphol

9:40 am - 1:45 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

19h 05m2 stops Salt Lake City Paris Charles de Gaulle

$762Delta

Thu, Sep 24 - Mon, Sep 28

10:15 am - 4:35 pmBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

15h 20m1 stop Amsterdam Schiphol

6:00 am - 9:55 amSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

18h 55m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

$763Delta

Thu, Oct 1 - Mon, Oct 5

6:00 am - 11:35 amBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

14h 35m1 stop London Heathrow

8:20 pm - 10:50 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

17h 30m1 stop London Heathrow

$764British Airways

Fri, Sep 11 - Tue, Sep 15

6:30 am - 11:47 amBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

14h 17m1 stop Amsterdam Schiphol

7:15 am - 9:55 amSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

17h 40m2 stops New York John F Kennedy Intl Paris Charles de Gaulle

$765Delta

Fri, Sep 11 - Tue, Sep 15

Cheap last minute flights

Enter your travel dates to find the best prices.

11:55 am - 11:35 amBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

32h 40m1 stop London Heathrow

3:47 pm - 11:20 amSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

34h 33m2 stops Dallas/Fort Worth London Heathrow

$923British Airways

Tue, Aug 18 - Sat, Aug 22

8:15 am - 8:52 pmBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

21h 37m2 stops London Heathrow Chicago O'Hare Intl

3:47 pm - 11:20 amSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

34h 33m2 stops Dallas/Fort Worth London Heathrow

$928British Airways

Tue, Aug 18 - Sat, Aug 22

2:10 pm - 11:15 amBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

30h 05m1 stop Paris Charles de Gaulle

1:50 pm - 9:50 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

23h 00m1 stop Amsterdam Schiphol

$1,088Air France

Fri, Aug 14 - Fri, Aug 28

6:00 am - 11:03 amBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

38h 03m2 stops Frankfurt am Main Newark

11:04 pm - 10:25 amSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

26h 21m2 stops Washington, D.C. Dulles Intl Frankfurt am Main

$1,096United Airlines

Fri, Aug 14 - Fri, Aug 28

6:00 am - 11:03 amBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

38h 03m2 stops Frankfurt am Main Newark

6:50 pm - 9:10 amSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

29h 20m1 stop Munich Franz Josef Strauss

$1,114United Airlines

Fri, Aug 14 - Fri, Aug 28

9:55 am - 4:59 pmBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

16h 04m1 stop Munich Franz Josef Strauss

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

16h 00m1 stop Munich Franz Josef Strauss

$1,162United Airlines

Tue, Aug 18 - Sat, Aug 22

6:00 am - 2:28 pmBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

41h 28m2 stops Frankfurt am Main Newark

8:40 am - 9:55 amSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

64h 15m3 stops Denver Intl Newark Frankfurt am Main

$1,192United Airlines

Fri, Aug 14 - Fri, Aug 28

10:05 am - 8:40 pmBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

19h 35m3 stops Stockholm Arlanda Oslo Gardermoen Reykjavik Keflavik Intl

3:40 pm - 10:25 amSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

33h 45m3 stops Reykjavik Keflavik Intl Oslo Gardermoen Kastrup Copenhagen

$1,543Multiple Airlines

Fri, Aug 14 - Fri, Aug 28

8:15 am - 10:20 amBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

35h 05m2 stops London Heathrow Hong Kong Intl

5:59 pm - 10:50 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

43h 51m3 stops Los Angeles Los Angeles Hong Kong Intl London Heathrow

$23,556Multiple Airlines

Tue, Aug 18 - Sat, Aug 22

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United Airlines flights from Basel to State of Washington

Our best United Airlines deals on Basel to State of Washington flight tickets

United Airlines

Sep 1

BSL6:05 amBasel EuroAirport Swiss

19h 02m

2 stops

SEA4:07 pmSeattle/Tacoma Intl

Sep 10

SEA7:00 amSeattle/Tacoma Intl

27h 35m

2 stops

BSL7:35 pmBasel EuroAirport Swiss

$801

United Airlines

Dec 19

BSL2:40 pmBasel EuroAirport Swiss

40h 55m

2 stops

PDX10:35 pmPortland

Jan 24

PDX7:00 amPortland

22h 00m

2 stops

BSL2:00 pmBasel EuroAirport Swiss

$937

United Airlines

Aug 14

BSL6:00 amBasel EuroAirport Swiss

38h 03m

2 stops

SEA11:03 amSeattle/Tacoma Intl

Aug 28

SEA11:04 pmSeattle/Tacoma Intl

26h 21m

2 stops

BSL10:25 amBasel EuroAirport Swiss

$1,096

Delta flights from Basel to State of Washington

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

Delta

Sep 27

BSL6:30 amBasel EuroAirport Swiss

14h 17m

1 stop

SEA11:47 amSeattle/Tacoma Intl

Oct 4

SEA6:00 amSeattle/Tacoma Intl

18h 55m

2 stops

BSL9:55 amBasel EuroAirport Swiss

$762

Delta

Oct 1

BSL10:15 amBasel EuroAirport Swiss

15h 20m

1 stop

SEA4:35 pmSeattle/Tacoma Intl

Oct 5

SEA6:00 amSeattle/Tacoma Intl

18h 55m

2 stops

BSL9:55 amBasel EuroAirport Swiss

$763

Delta

Sep 11

BSL6:30 amBasel EuroAirport Swiss

14h 17m

1 stop

SEA11:47 amSeattle/Tacoma Intl

Sep 15

SEA7:15 amSeattle/Tacoma Intl

17h 40m

2 stops

BSL9:55 amBasel EuroAirport Swiss

$765

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaselSeattle

BSL Basel EuroAirport Swiss - SEA Seattle/Tacoma Intl

BSLSEA

Basel EuroAirport Swiss

Mon 11/23

10:40 am-11:25 am

2 stops33h 45m

Seattle/Tacoma Intl

Sun 12/6

6:45 pm-7:25 pm

1 stop15h 40m

$738

BaselSeattle

BSL Basel EuroAirport Swiss - SEA Seattle/Tacoma Intl

BSLSEA

Basel EuroAirport Swiss

Thu 9/17

6:10 am-11:35 am

1 stop14h 25m

Seattle/Tacoma Intl

Wed 9/23

2:12 pm-7:20 pm

2 stops20h 08m

$739

BaselSeattle

BSL Basel EuroAirport Swiss - SEA Seattle/Tacoma Intl

BSLSEA

Basel EuroAirport Swiss

Thu 9/17

6:10 am-11:35 am

1 stop14h 25m

Seattle/Tacoma Intl

Wed 9/23

8:20 pm-10:55 am

1 stop29h 35m

$746

BaselSeattle

BSL Basel EuroAirport Swiss - SEA Seattle/Tacoma Intl

BSLSEA

Basel EuroAirport Swiss

Thu 9/24

6:10 am-4:42 pm

2 stops19h 32m

Seattle/Tacoma Intl

Mon 9/28

8:20 am-11:00 am

2 stops17h 40m

$754

BaselSeattle

BSL Basel EuroAirport Swiss - SEA Seattle/Tacoma Intl

BSLSEA

Basel EuroAirport Swiss

Thu 10/1

6:10 am-4:42 pm

2 stops19h 32m

Seattle/Tacoma Intl

Mon 10/5

3:14 pm-6:20 pm

2 stops18h 06m

$755

BaselSeattle

BSL Basel EuroAirport Swiss - SEA Seattle/Tacoma Intl

BSLSEA

Basel EuroAirport Swiss

Thu 9/17

6:10 am-4:42 pm

2 stops19h 32m

Seattle/Tacoma Intl

Wed 9/23

8:24 am-11:15 am

2 stops17h 51m

$756

BaselSeattle

BSL Basel EuroAirport Swiss - SEA Seattle/Tacoma Intl

BSLSEA

Basel EuroAirport Swiss

Thu 9/24

6:30 am-4:35 pm

1 stop19h 05m

Seattle/Tacoma Intl

Mon 9/28

9:40 am-1:45 pm

2 stops19h 05m

$762

BaselSeattle

BSL Basel EuroAirport Swiss - SEA Seattle/Tacoma Intl

BSLSEA

Basel EuroAirport Swiss

Thu 10/1

10:15 am-4:35 pm

1 stop15h 20m

Seattle/Tacoma Intl

Mon 10/5

6:00 am-9:55 am

2 stops18h 55m

$763

BaselSeattle

BSL Basel EuroAirport Swiss - SEA Seattle/Tacoma Intl

BSLSEA

Basel EuroAirport Swiss

Fri 9/11

6:00 am-11:35 am

1 stop14h 35m

Seattle/Tacoma Intl

Tue 9/15

8:20 pm-10:50 pm

1 stop17h 30m

$764

Quickest round-trip

BaselSeattle

BSL Basel EuroAirport Swiss - SEA Seattle/Tacoma Intl

BSLSEA

Basel EuroAirport Swiss

Fri 9/11

6:30 am-11:47 am

1 stop14h 17m

Seattle/Tacoma Intl

Tue 9/15

7:15 am-9:55 am

2 stops17h 40m

$765

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 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

What is the cheapest month to fly to State of Washington?

The month of March is, on average, the cheapest month to fly to State of Washington from Basel, with most prices found around $0. If you aren’t able to travel to State of Washington during the month of March, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $647.

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

You could potentially save up to 40% on your flight if you consider stops on a Basel to State of Washington flight.

Cheap Basel to State of Washington flight deals and tips

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

Fastest flight time	14h 25m
Direct flights	None

The fastest flight from Basel to State of Washington takes 14h 25m

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

Search flight deals

Frequently asked questions about flying from Basel to Washington

When did momondo last update prices for flights from Basel to Washington?
Prices for flights from Basel to Washington refresh daily.
How old do you have to be to fly from Basel 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 to Washington.
What documentation or ID do you need to fly to Washington?
The required travel and health documents for your Washington trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Basel to Washington. momondo saves you time and could save you money on your trip.

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

Flights from Basel to Washington with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo helps you find the best flight between Basel and Washington by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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.