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

American Airlines, British Airways, and Lufthansa 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.

$366 Cheap Flights from Basel to Washington in 2026

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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.

11:15 am - 11:04 pm

BSL

SEA

20h 49m

2 stops

7:15 am - 3:05 pm

SEA

BSL

22h 50m

2 stops

$637Multiple Airlines

Fri, Feb 27 - Tue, Mar 3

6:05 am - 11:40 am

BSL

SEA

14h 35m

1 stop

1:40 pm - 1:50 pm

SEA

BSL

15h 10m

1 stop

$644Delta

Fri, Feb 27 - Tue, Mar 3

6:05 am - 12:35 pm

BSL

SEA

14h 30m

1 stop

6:40 pm - 1:45 pm

SEA

BSL

34h 05m

1 stop

$653Air France

Thu, Mar 19 - Sat, Mar 28

6:05 am - 9:16 pm

BSL

SEA

23h 11m

2 stops

7:21 am - 10:55 am

SEA

BSL

18h 34m

2 stops

$658British Airways

Thu, Mar 26 - Thu, Apr 2

6:05 am - 4:47 pm

BSL

SEA

18h 42m

2 stops

6:40 pm - 9:55 am

SEA

BSL

30h 15m

1 stop

$659Air France

Thu, Mar 19 - Sat, Mar 28

8:15 am - 11:55 am

BSL

SEA

12h 40m

1 stop

5:00 am - 2:05 pm

SEA

BSL

24h 05m

2 stops

$662United Airlines

Tue, Jul 14 - Tue, Jul 21

2:30 pm - 2:05 pm

BSL

SEA

31h 35m

1 stop

9:00 am - 9:45 am

SEA

BSL

15h 45m

2 stops

$691Multiple Airlines

Thu, Mar 26 - Thu, Apr 2

7:00 am - 12:30 pm

BSL

SEA

13h 30m

1 stop

2:35 pm - 2:10 pm

SEA

BSL

15h 35m

1 stop

$703British Airways

Fri, Mar 20 - Fri, Mar 27

6:35 am - 1:10 pm

BSL

SEA

14h 35m

1 stop

4:10 pm - 7:40 pm

SEA

BSL

19h 30m

1 stop

$714Lufthansa

Thu, Mar 19 - Fri, Mar 27

8:15 am - 11:55 am

BSL

SEA

12h 40m

1 stop

2:10 pm - 2:05 pm

SEA

BSL

14h 55m

1 stop

$718United Airlines

Tue, Jul 14 - Tue, Jul 21

Delta flights from Basel to State of Washington

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

Delta

Feb 27

BSL6:05 amBasel EuroAirport Swiss

14h 35m

1 stop

SEA11:40 amSeattle/Tacoma Intl

Mar 3

SEA1:40 pmSeattle/Tacoma Intl

15h 10m

1 stop

BSL1:50 pmBasel EuroAirport Swiss

$644

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

$650

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

$757

Lufthansa flights from Basel to State of Washington

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

Lufthansa

Mar 19

BSL6:35 amBasel EuroAirport Swiss

14h 35m

1 stop

SEA1:10 pmSeattle/Tacoma Intl

Mar 27

SEA4:10 pmSeattle/Tacoma Intl

19h 30m

1 stop

BSL7:40 pmBasel EuroAirport Swiss

$714

Lufthansa

Mar 21

BSL6:40 amBasel EuroAirport Swiss

14h 30m

1 stop

SEA1:10 pmSeattle/Tacoma Intl

Mar 27

SEA4:10 pmSeattle/Tacoma Intl

19h 30m

1 stop

BSL7:40 pmBasel EuroAirport Swiss

$886

Lufthansa

Mar 27

BSL6:45 amBasel EuroAirport Swiss

14h 25m

1 stop

SEA1:10 pmSeattle/Tacoma Intl

Apr 3

SEA2:10 pmSeattle/Tacoma Intl

15h 05m

1 stop

BSL2:15 pmBasel EuroAirport Swiss

$891

Fly from

Fly to

Route

Depart

Return

Price

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Fri 2/27

11:15 am-11:04 pm

2 stops20h 49m

Seattle/Tacoma Intl

Tue 3/3

7:15 am-3:05 pm

2 stops22h 50m

$637

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Fri 2/27

6:05 am-11:40 am

1 stop14h 35m

Seattle/Tacoma Intl

Tue 3/3

1:40 pm-1:50 pm

1 stop15h 10m

$644

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Thu 3/19

6:05 am-12:35 pm

1 stop14h 30m

Seattle/Tacoma Intl

Sat 3/28

6:40 pm-1:45 pm

1 stop34h 05m

$653

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Thu 3/26

6:05 am-9:16 pm

2 stops23h 11m

Seattle/Tacoma Intl

Thu 4/2

7:21 am-10:55 am

2 stops18h 34m

$658

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Thu 3/19

6:05 am-4:47 pm

2 stops18h 42m

Seattle/Tacoma Intl

Sat 3/28

6:40 pm-9:55 am

1 stop30h 15m

$659

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Tue 7/14

8:15 am-11:55 am

1 stop12h 40m

Seattle/Tacoma Intl

Tue 7/21

5:00 am-2:05 pm

2 stops24h 05m

$662

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Thu 3/26

2:30 pm-2:05 pm

1 stop31h 35m

Seattle/Tacoma Intl

Thu 4/2

9:00 am-9:45 am

2 stops15h 45m

$691

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Fri 3/20

7:00 am-12:30 pm

1 stop13h 30m

Seattle/Tacoma Intl

Fri 3/27

2:35 pm-2:10 pm

1 stop15h 35m

$703

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Thu 3/19

6:35 am-1:10 pm

1 stop14h 35m

Seattle/Tacoma Intl

Fri 3/27

4:10 pm-7:40 pm

1 stop19h 30m

$714

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Tue 7/14

8:15 am-11:55 am

1 stop12h 40m

Seattle/Tacoma Intl

Tue 7/21

2:10 pm-2:05 pm

1 stop14h 55m

$718

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

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

You could potentially save up to 58% 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	12h 40m
Direct flights	None

The fastest flight from Basel to State of Washington takes 12h 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

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.