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

British Airways 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.

$473 Cheap Flights from Basel to Washington in 2026/27

Find the cheapest flights from Basel to Washington

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

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

$744KLM

Mon, Nov 23 - Sun, Nov 29

6:00 am - 11:50 amBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

14h 50m1 stop Amsterdam Schiphol

4:05 pm - 1:55 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

12h 50m1 stop Paris Charles de Gaulle

$759Air France

Thu, Feb 4 - Thu, Feb 11

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

14h 47m1 stop Amsterdam Schiphol

3:25 pm - 1:55 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

13h 30m1 stop Paris Charles de Gaulle

$760Delta

Thu, Nov 26 - Mon, Nov 30

6:00 am - 11:50 amBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

14h 50m1 stop Amsterdam Schiphol

11:45 am - 1:55 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

17h 10m2 stops Cincinnati Cinci./N. Kentucky Paris Charles de Gaulle

$761Delta

Thu, Feb 4 - Thu, Feb 11

6:00 am - 4:53 pmBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

19h 53m2 stops Amsterdam Schiphol Salt Lake City

1:32 pm - 1:55 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

15h 23m2 stops Vancouver Intl Paris Charles de Gaulle

$766Delta

Thu, Nov 26 - Mon, Nov 30

10:05 am - 10:02 pmBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

20h 57m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

9:40 am - 1:55 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

19h 15m2 stops San Francisco Paris Charles de Gaulle

$767Delta

Thu, Feb 4 - Thu, Feb 11

6:00 am - 4:53 pmBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

19h 53m2 stops Amsterdam Schiphol Vancouver Intl

9:24 am - 1:55 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

19h 31m2 stops Vancouver Intl Paris Charles de Gaulle

$788Delta

Mon, Nov 23 - Sun, Nov 29

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

23h 35m1 stop London Heathrow

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

30h 30m1 stop London Heathrow

$791British Airways

Wed, Dec 23 - Tue, Dec 29

8:50 pm - 4:50 pmBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

29h 00m1 stop London Heathrow

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

30h 25m1 stop London Heathrow

$794British Airways

Wed, Dec 23 - Thu, Dec 31

11:05 am - 5:50 pmBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

14h 45m1 stop London Heathrow

1:35 pm - 10:50 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

24h 15m1 stop London Heathrow

$799British Airways

Thu, Mar 25 - Tue, Mar 30

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KLM flights from Basel to State of Washington

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

KLM

Nov 23

BSL6:00 amBasel EuroAirport Swiss

14h 47m

1 stop

SEA11:47 amSeattle/Tacoma Intl

Nov 29

SEA2:35 pmSeattle/Tacoma Intl

13h 50m

1 stop

BSL1:25 pmBasel EuroAirport Swiss

$744

KLM

Jan 14

BSL5:55 pmBasel EuroAirport Swiss

26h 55m

1 stop

SEA11:50 amSeattle/Tacoma Intl

Jan 23

SEA4:05 pmSeattle/Tacoma Intl

12h 50m

1 stop

BSL1:55 pmBasel EuroAirport Swiss

$805

Air France flights from Basel to State of Washington

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

Air France

Jan 13

BSL6:00 amBasel EuroAirport Swiss

14h 50m

1 stop

SEA11:50 amSeattle/Tacoma Intl

Jan 23

SEA2:25 pmSeattle/Tacoma Intl

14h 00m

1 stop

BSL1:25 pmBasel EuroAirport Swiss

$757

Air France

Feb 4

BSL6:00 amBasel EuroAirport Swiss

14h 50m

1 stop

SEA11:50 amSeattle/Tacoma Intl

Feb 11

SEA4:05 pmSeattle/Tacoma Intl

12h 50m

1 stop

BSL1:55 pmBasel EuroAirport Swiss

$759

Air France

Dec 24

BSL5:55 pmBasel EuroAirport Swiss

26h 55m

1 stop

SEA11:50 amSeattle/Tacoma Intl

Dec 31

SEA8:25 amSeattle/Tacoma Intl

16h 35m

2 stops

BSL10:00 amBasel EuroAirport Swiss

$835

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

6:00 am-11:47 am

1 stop14h 47m

Seattle/Tacoma Intl

Sun 11/29

2:35 pm-1:25 pm

1 stop13h 50m

$744

Quickest round-trip

BaselSeattle

BSL Basel EuroAirport Swiss - SEA Seattle/Tacoma Intl

BSLSEA

Basel EuroAirport Swiss

Thu 2/4

6:00 am-11:50 am

1 stop14h 50m

Seattle/Tacoma Intl

Thu 2/11

4:05 pm-1:55 pm

1 stop12h 50m

$759

BaselSeattle

BSL Basel EuroAirport Swiss - SEA Seattle/Tacoma Intl

BSLSEA

Basel EuroAirport Swiss

Thu 11/26

6:00 am-11:47 am

1 stop14h 47m

Seattle/Tacoma Intl

Mon 11/30

3:25 pm-1:55 pm

1 stop13h 30m

$760

BaselSeattle

BSL Basel EuroAirport Swiss - SEA Seattle/Tacoma Intl

BSLSEA

Basel EuroAirport Swiss

Thu 2/4

6:00 am-11:50 am

1 stop14h 50m

Seattle/Tacoma Intl

Thu 2/11

11:45 am-1:55 pm

2 stops17h 10m

$761

BaselSeattle

BSL Basel EuroAirport Swiss - SEA Seattle/Tacoma Intl

BSLSEA

Basel EuroAirport Swiss

Thu 11/26

6:00 am-4:53 pm

2 stops19h 53m

Seattle/Tacoma Intl

Mon 11/30

1:32 pm-1:55 pm

2 stops15h 23m

$766

BaselSeattle

BSL Basel EuroAirport Swiss - SEA Seattle/Tacoma Intl

BSLSEA

Basel EuroAirport Swiss

Thu 2/4

10:05 am-10:02 pm

2 stops20h 57m

Seattle/Tacoma Intl

Thu 2/11

9:40 am-1:55 pm

2 stops19h 15m

$767

BaselSeattle

BSL Basel EuroAirport Swiss - SEA Seattle/Tacoma Intl

BSLSEA

Basel EuroAirport Swiss

Mon 11/23

6:00 am-4:53 pm

2 stops19h 53m

Seattle/Tacoma Intl

Sun 11/29

9:24 am-1:55 pm

2 stops19h 31m

$788

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

Tue 12/29

6:45 pm-10:15 am

1 stop30h 30m

$791

BaselSeattle

BSL Basel EuroAirport Swiss - SEA Seattle/Tacoma Intl

BSLSEA

Basel EuroAirport Swiss

Wed 12/23

8:50 pm-4:50 pm

1 stop29h 00m

Seattle/Tacoma Intl

Thu 12/31

6:45 pm-10:10 am

1 stop30h 25m

$794

BaselSeattle

BSL Basel EuroAirport Swiss - SEA Seattle/Tacoma Intl

BSLSEA

Basel EuroAirport Swiss

Thu 3/25

11:05 am-5:50 pm

1 stop14h 45m

Seattle/Tacoma Intl

Tue 3/30

1:35 pm-10:50 pm

1 stop24h 15m

$799

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 January is also cheap. Prices for this month can be found on momondo for an average of $0.

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

You could potentially save up to 75% 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

Best Price Found	$473
Fastest flight time	13h 45m
Direct flights	None

The best one-way flight to State of Washington from Basel in the past 72 hours is $473. The best round-trip flight deal from Basel to State of Washington found on momondo in the last 72 hours is $744.

The fastest flight from Basel to State of Washington takes 13h 45m

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.