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

Lufthansa, British Airways, and United Airlines are the most popular carriers 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.

$478 Cheap Flights from Basel to Washington in 2025/26

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0 bags

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Find the cheapest flights from Basel to Washington

Round-trip

One-way

Cheap round-trip flights

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6:15 am - 4:55 pmBSL-SEA

19h 40m1 stop

6:50 pm - 6:05 pmSEA-BSL

14h 15m1 stop

$582American Airlines

Find Deal

Mon, Feb 9 - Sat, Feb 28

11:05 am - 4:55 pmBSL-SEA

14h 50m1 stop

6:50 pm - 9:35 pmSEA-BSL

17h 45m1 stop

$583British Airways

Find Deal

Thu, Feb 19 - Mon, Mar 2

6:05 am - 11:45 amBSL-SEA

14h 40m1 stop

1:40 pm - 1:50 pmSEA-BSL

15h 10m1 stop

$596Delta

Find Deal

Fri, Nov 21 - Tue, Nov 25

6:05 am - 11:40 amBSL-SEA

14h 35m1 stop

2:10 pm - 1:50 pmSEA-BSL

14h 40m1 stop

$598Delta

Find Deal

Thu, Feb 19 - Mon, Mar 2

5:55 pm - 11:50 amBSL-SEA

26h 55m1 stop

1:40 pm - 1:50 pmSEA-BSL

15h 10m1 stop

$635Air France

Find Deal

Sun, Dec 14 - Tue, Jan 13

10:45 am - 8:54 pmBSL-SEA

19h 09m2 stops

2:10 pm - 7:40 pmSEA-BSL

20h 30m2 stops

$655Multiple Airlines

Find Deal

Sun, Dec 14 - Tue, Jan 13

9:50 am - 10:16 pmBSL-SEA

21h 26m2 stops

7:00 am - 10:05 amSEA-BSL

18h 05m2 stops

$684Multiple Airlines

Find Deal

Sat, Jan 10 - Sat, Jan 24

9:50 am - 6:32 pmBSL-SEA

17h 42m2 stops

8:40 am - 12:30 pmSEA-BSL

18h 50m3 stops

$703United Airlines

Find Deal

Sun, Dec 14 - Tue, Jan 13

9:50 am - 10:16 pmBSL-SEA

21h 26m2 stops

8:40 am - 12:30 pmSEA-BSL

18h 50m3 stops

$707United Airlines

Find Deal

Sat, Jan 10 - Sat, Jan 24

11:15 am - 11:50 amBSL-SEA

33h 35m1 stop

1:40 pm - 1:50 pmSEA-BSL

15h 10m1 stop

$717Air France

Find Deal

Sat, Jan 10 - Sat, Jan 24

Delta flights from Basel to State of Washington

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

Delta

Nov 21

BSL6:05 amBasel EuroAirport Swiss

14h 40m

1 stop

SEA11:45 amSeattle/Tacoma Intl

Nov 25

SEA1:40 pmSeattle/Tacoma Intl

15h 10m

1 stop

BSL1:50 pmBasel EuroAirport Swiss

$596

Find similar

Delta

Feb 19

BSL6:05 amBasel EuroAirport Swiss

14h 35m

1 stop

SEA11:40 amSeattle/Tacoma Intl

Mar 2

SEA2:10 pmSeattle/Tacoma Intl

14h 40m

1 stop

BSL1:50 pmBasel EuroAirport Swiss

$598

Find similar

Delta

Nov 21

BSL6:05 amBasel EuroAirport Swiss

14h 40m

1 stop

SEA11:45 amSeattle/Tacoma Intl

Nov 25

SEA9:30 amSeattle/Tacoma Intl

22h 55m

2 stops

BSL5:25 pmBasel EuroAirport Swiss

$601

Find similar

American Airlines flights from Basel to State of Washington

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

American Airlines

Feb 9

BSL6:15 amBasel EuroAirport Swiss

19h 40m

1 stop

SEA4:55 pmSeattle/Tacoma Intl

Feb 28

SEA6:50 pmSeattle/Tacoma Intl

14h 15m

1 stop

BSL6:05 pmBasel EuroAirport Swiss

$582

Find similar

American Airlines

Dec 14

BSL6:35 amBasel EuroAirport Swiss

38h 02m

2 stops

SEA11:37 amSeattle/Tacoma Intl

Jan 13

SEA7:00 amSeattle/Tacoma Intl

30h 20m

2 stops

BSL10:20 pmBasel EuroAirport Swiss

$586

Find similar

American Airlines

Feb 19

BSL6:05 amBasel EuroAirport Swiss

22h 10m

2 stops

SEA7:15 pmSeattle/Tacoma Intl

Mar 2

SEA6:50 pmSeattle/Tacoma Intl

14h 25m

1 stop

BSL6:15 pmBasel EuroAirport Swiss

$587

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Mon 2/9

6:15 am-4:55 pm

1 stop19h 40m

Seattle/Tacoma Intl

Sat 2/28

6:50 pm-6:05 pm

1 stop14h 15m

$582

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Thu 2/19

11:05 am-4:55 pm

1 stop14h 50m

Seattle/Tacoma Intl

Mon 3/2

6:50 pm-9:35 pm

1 stop17h 45m

$583

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Fri 11/21

6:05 am-11:45 am

1 stop14h 40m

Seattle/Tacoma Intl

Tue 11/25

1:40 pm-1:50 pm

1 stop15h 10m

$596

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Thu 2/19

6:05 am-11:40 am

1 stop14h 35m

Seattle/Tacoma Intl

Mon 3/2

2:10 pm-1:50 pm

1 stop14h 40m

$598

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Sun 12/14

5:55 pm-11:50 am

1 stop26h 55m

Seattle/Tacoma Intl

Tue 1/13

1:40 pm-1:50 pm

1 stop15h 10m

$635

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Sun 12/14

10:45 am-8:54 pm

2 stops19h 09m

Seattle/Tacoma Intl

Tue 1/13

2:10 pm-7:40 pm

2 stops20h 30m

$655

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Sat 1/10

9:50 am-10:16 pm

2 stops21h 26m

Seattle/Tacoma Intl

Sat 1/24

7:00 am-10:05 am

2 stops18h 05m

$684

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Sun 12/14

9:50 am-6:32 pm

2 stops17h 42m

Seattle/Tacoma Intl

Tue 1/13

8:40 am-12:30 pm

3 stops18h 50m

$703

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Sat 1/10

9:50 am-10:16 pm

2 stops21h 26m

Seattle/Tacoma Intl

Sat 1/24

8:40 am-12:30 pm

3 stops18h 50m

$707

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Sat 1/10

11:15 am-11:50 am

1 stop33h 35m

Seattle/Tacoma Intl

Sat 1/24

1:40 pm-1:50 pm

1 stop15h 10m

$717

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

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

You could potentially save up to 61% 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

Direct flights	None

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

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.