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.

$431 Cheap Flights from Basel to Washington in 2026/27

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.

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

14h 45m1 stop London Heathrow

6:45 pm - 8:00 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

16h 15m1 stop London Heathrow

$684British Airways

Fri, Nov 13 - Tue, Nov 17

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

$686British Airways

Wed, Feb 10 - Wed, Feb 17

8:50 pm - 12:25 pmBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

23h 35m1 stop London Heathrow

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

15h 00m1 stop London Heathrow

$703British Airways

Wed, Oct 28 - Mon, Nov 23

11:10 am - 4:50 pmBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

14h 40m1 stop London Heathrow

1:40 pm - 12:10 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

13h 30m1 stop London Heathrow

$705American Airlines

Sat, Nov 7 - Sat, Nov 14

8:50 pm - 12:25 pmBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

23h 35m1 stop London Heathrow

2:13 pm - 6:45 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

19h 32m2 stops Dallas/Fort Worth London Heathrow

$706British Airways

Wed, Oct 28 - Mon, Nov 23

11:10 am - 4:50 pmBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

14h 40m1 stop London Heathrow

12:47 pm - 7:50 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

22h 03m2 stops Dallas/Fort Worth London Heathrow

$709British Airways

Sat, Nov 7 - Wed, Nov 11

11:05 am - 11:10 pmBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

21h 05m2 stops London Heathrow Charlotte Douglas

9:31 am - 12:10 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

17h 39m2 stops Philadelphia London Heathrow

$710American Airlines

Fri, Nov 13 - Sat, Nov 21

8:15 pm - 4:54 pmBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

29h 39m2 stops London Heathrow Dallas/Fort Worth

10:43 am - 6:45 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

23h 02m2 stops Chicago O'Hare Intl London Heathrow

$715British Airways

Mon, Nov 9 - Mon, Nov 16

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

14h 25m1 stop London Heathrow

10:31 am - 8:00 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

25h 29m2 stops Chicago O'Hare Intl London Heathrow

$729Multiple Airlines

Thu, Oct 22 - Tue, Oct 27

8:40 pm - 4:50 pmBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

29h 10m1 stop London Heathrow

6:45 pm - 10:00 amSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

30h 15m1 stop London Heathrow

$730British Airways

Thu, Jan 14 - Sun, Jan 17

Cheap last minute flights

Enter your travel dates to find the best prices.

7:15 am - 9:36 pmBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

23h 21m2 stops London Heathrow Chicago O'Hare Intl

11:17 am - 3:25 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

20h 08m2 stops Chicago O'Hare Intl London Heathrow

$6,441British Airways

Sun, Oct 4 - Sat, Oct 31

9:35 am - 4:59 pmBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

16h 24m1 stop Munich Franz Josef Strauss

3:49 pm - 7:20 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

18h 31m2 stops Denver Intl Munich Franz Josef Strauss

$6,850United Airlines

Sat, Oct 3 - Sun, Nov 1

6:00 am - 8:37 pmBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

23h 37m2 stops Frankfurt am Main Washington, D.C. Dulles Intl

3:50 pm - 4:05 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

16h 15m1 stop Munich Franz Josef Strauss

$6,863United Airlines

Sun, Oct 4 - Wed, Oct 28

9:35 am - 4:59 pmBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

16h 24m1 stop Munich Franz Josef Strauss

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

15h 10m1 stop Frankfurt am Main

$6,871United Airlines

Sat, Oct 3 - Sun, Nov 1

6:00 am - 8:37 pmBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

23h 37m2 stops Frankfurt am Main Washington, D.C. Dulles Intl

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

15h 10m1 stop Frankfurt am Main

$6,885United Airlines

Sun, Oct 4 - Mon, Nov 2

11:00 am - 12:20 pmBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

34h 20m1 stop Frankfurt am Main

8:30 am - 4:05 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

23h 35m2 stops Denver Intl Munich Franz Josef Strauss

$6,890United Airlines

Sun, Oct 4 - Fri, Oct 30

2:40 pm - 12:20 pmBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

30h 40m1 stop Frankfurt am Main

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

15h 10m1 stop Frankfurt am Main

$6,912United Airlines

Sun, Oct 4 - Mon, Nov 2

2:25 pm - 11:15 amBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

29h 50m1 stop Paris Charles de Gaulle

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

12h 50m1 stop Paris Charles de Gaulle

$7,363Delta

Thu, Oct 1 - Tue, Nov 3

6:00 am - 12:20 pmBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

15h 20m1 stop Frankfurt am Main

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

15h 10m1 stop Frankfurt am Main

$7,603United Airlines

Thu, Oct 1 - Thu, Oct 29

7:15 pm - 5:20 pmBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

31h 05m1 stop Istanbul

8:05 pm - 5:15 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

37h 10m1 stop Istanbul

$7,679Turkish Airlines

Sun, Oct 4 - Sat, Oct 31

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British Airways flights from Basel to State of Washington

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

British Airways

Nov 13

BSL11:05 amBasel EuroAirport Swiss

14h 45m

1 stop

SEA4:50 pmSeattle/Tacoma Intl

Nov 17

SEA6:45 pmSeattle/Tacoma Intl

16h 15m

1 stop

BSL8:00 pmBasel EuroAirport Swiss

$684

British Airways

Feb 10

BSL8:50 pmBasel EuroAirport Swiss

23h 35m

1 stop

SEA11:25 amSeattle/Tacoma Intl

Feb 17

SEA6:45 pmSeattle/Tacoma Intl

16h 05m

1 stop

BSL7:50 pmBasel EuroAirport Swiss

$686

British Airways

Oct 28

BSL8:50 pmBasel EuroAirport Swiss

23h 35m

1 stop

SEA12:25 pmSeattle/Tacoma Intl

Nov 23

SEA6:45 pmSeattle/Tacoma Intl

15h 00m

1 stop

BSL6:45 pmBasel EuroAirport Swiss

$703

Delta flights from Basel to State of Washington

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

Delta

Feb 20

BSL6:00 amBasel EuroAirport Swiss

14h 47m

1 stop

SEA11:47 amSeattle/Tacoma Intl

Mar 4

SEA9:00 amSeattle/Tacoma Intl

19h 25m

2 stops

BSL1:25 pmBasel EuroAirport Swiss

$759

Delta

Feb 20

BSL6:00 amBasel EuroAirport Swiss

19h 50m

2 stops

SEA4:50 pmSeattle/Tacoma Intl

Mar 4

SEA7:20 amSeattle/Tacoma Intl

17h 15m

2 stops

BSL9:35 amBasel EuroAirport Swiss

$765

Delta

Oct 22

BSL6:30 amBasel EuroAirport Swiss

14h 22m

1 stop

SEA11:52 amSeattle/Tacoma Intl

Oct 27

SEA5:05 pmSeattle/Tacoma Intl

12h 50m

1 stop

BSL1:55 pmBasel EuroAirport Swiss

$771

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaselSeattle

BSL Basel EuroAirport Swiss - SEA Seattle/Tacoma Intl

BSLSEA

Basel EuroAirport Swiss

Fri 11/13

11:05 am-4:50 pm

1 stop14h 45m

Seattle/Tacoma Intl

Tue 11/17

6:45 pm-8:00 pm

1 stop16h 15m

$684

BaselSeattle

BSL Basel EuroAirport Swiss - SEA Seattle/Tacoma Intl

BSLSEA

Basel EuroAirport Swiss

Wed 2/10

8:50 pm-11:25 am

1 stop23h 35m

Seattle/Tacoma Intl

Wed 2/17

6:45 pm-7:50 pm

1 stop16h 05m

$686

BaselSeattle

BSL Basel EuroAirport Swiss - SEA Seattle/Tacoma Intl

BSLSEA

Basel EuroAirport Swiss

Wed 10/28

8:50 pm-12:25 pm

1 stop23h 35m

Seattle/Tacoma Intl

Mon 11/23

6:45 pm-6:45 pm

1 stop15h 00m

$703

Quickest round-trip

BaselSeattle

BSL Basel EuroAirport Swiss - SEA Seattle/Tacoma Intl

BSLSEA

Basel EuroAirport Swiss

Sat 11/7

11:10 am-4:50 pm

1 stop14h 40m

Seattle/Tacoma Intl

Sat 11/14

1:40 pm-12:10 pm

1 stop13h 30m

$705

BaselSeattle

BSL Basel EuroAirport Swiss - SEA Seattle/Tacoma Intl

BSLSEA

Basel EuroAirport Swiss

Wed 10/28

8:50 pm-12:25 pm

1 stop23h 35m

Seattle/Tacoma Intl

Mon 11/23

2:13 pm-6:45 pm

2 stops19h 32m

$706

BaselSeattle

BSL Basel EuroAirport Swiss - SEA Seattle/Tacoma Intl

BSLSEA

Basel EuroAirport Swiss

Sat 11/7

11:10 am-4:50 pm

1 stop14h 40m

Seattle/Tacoma Intl

Wed 11/11

12:47 pm-7:50 pm

2 stops22h 03m

$709

BaselSeattle

BSL Basel EuroAirport Swiss - SEA Seattle/Tacoma Intl

BSLSEA

Basel EuroAirport Swiss

Fri 11/13

11:05 am-11:10 pm

2 stops21h 05m

Seattle/Tacoma Intl

Sat 11/21

9:31 am-12:10 pm

2 stops17h 39m

$710

BaselSeattle

BSL Basel EuroAirport Swiss - SEA Seattle/Tacoma Intl

BSLSEA

Basel EuroAirport Swiss

Mon 11/9

8:15 pm-4:54 pm

2 stops29h 39m

Seattle/Tacoma Intl

Mon 11/16

10:43 am-6:45 pm

2 stops23h 02m

$715

BaselSeattle

BSL Basel EuroAirport Swiss - SEA Seattle/Tacoma Intl

BSLSEA

Basel EuroAirport Swiss

Thu 10/22

6:10 am-11:35 am

1 stop14h 25m

Seattle/Tacoma Intl

Tue 10/27

10:31 am-8:00 pm

2 stops25h 29m

$729

BaselSeattle

BSL Basel EuroAirport Swiss - SEA Seattle/Tacoma Intl

BSLSEA

Basel EuroAirport Swiss

Thu 1/14

8:40 pm-4:50 pm

1 stop29h 10m

Seattle/Tacoma Intl

Sun 1/17

6:45 pm-10:00 am

1 stop30h 15m

$730

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 76% 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	$431
Fastest flight time	13h 40m
Direct flights	None

The best one-way flight to State of Washington from Basel in the past 72 hours is $431. The best round-trip flight deal from Basel to State of Washington found on momondo in the last 72 hours is $684.

The fastest flight from Basel to State of Washington takes 13h 40m

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.