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

British Airways and American Airlines are the most popular carriers operating from Basel EuroAirport Swiss to Washington

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

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

The travel and health documents required for your trip to Washington can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$516 Cheap Flights from Basel EuroAirport Swiss to State of Washington in 2026

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Find the cheapest flights from Basel EuroAirport Swiss to Washington

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:10 am - 11:35 am

BSL

SEA

14h 25m

1 stop

1:35 pm - 11:20 am

SEA

BSL

12h 45m

1 stop

$548British Airways

Thu, Aug 27 - Sun, Sep 20

6:10 am - 11:35 am

BSL

SEA

14h 25m

1 stop

11:32 am - 10:50 pm

SEA

BSL

26h 18m

2 stops

$628American Airlines

Thu, Aug 27 - Sat, Sep 19

6:10 am - 11:35 am

BSL

SEA

14h 25m

1 stop

6:00 am - 6:50 pm

SEA

BSL

27h 50m

2 stops

$630American Airlines

Thu, Jun 11 - Sun, Jun 28

6:10 am - 11:35 am

BSL

SEA

14h 25m

1 stop

11:48 am - 10:50 pm

SEA

BSL

26h 02m

2 stops

$633American Airlines

Thu, Jun 11 - Fri, Jun 26

12:15 pm - 11:50 pm

BSL

SEA

20h 35m

2 stops

11:32 am - 6:30 pm

SEA

BSL

21h 58m

2 stops

$634American Airlines

Thu, Aug 27 - Thu, Sep 17

6:00 am - 11:39 pm

BSL

SEA

26h 39m

2 stops

11:58 pm - 10:50 pm

SEA

BSL

37h 52m

2 stops

$636American Airlines

Fri, Jun 5 - Fri, Jun 26

11:05 am - 11:13 pm

BSL

SEA

20h 08m

2 stops

11:45 am - 2:55 pm

SEA

BSL

19h 10m

2 stops

$637American Airlines

Thu, Mar 19 - Wed, Mar 25

8:15 am - 7:59 pm

BSL

SEA

20h 44m

2 stops

1:45 pm - 10:50 pm

SEA

BSL

24h 05m

2 stops

$639American Airlines

Tue, Jun 9 - Sat, Jun 27

8:25 pm - 9:31 am

BSL

PDX

46h 06m

2 stops

7:45 pm - 7:40 pm

PDX

BSL

38h 55m

2 stops

$832Multiple Airlines

Sun, Jun 21 - Sun, Jul 19

2:25 pm - 11:10 am

BSL

PDX

29h 45m

1 stop

1:05 pm - 5:55 pm

PDX

BSL

19h 50m

1 stop

$916KLM

Sun, Jun 21 - Sun, Jul 19

American Airlines flights from Basel EuroAirport Swiss to State of Washington

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

American Airlines

Aug 27

BSL6:10 amBasel EuroAirport Swiss

14h 25m

1 stop

SEA11:35 amSeattle/Tacoma Intl

Sep 19

SEA11:32 amSeattle/Tacoma Intl

26h 18m

2 stops

BSL10:50 pmBasel EuroAirport Swiss

$628

American Airlines

Jun 11

BSL6:10 amBasel EuroAirport Swiss

14h 25m

1 stop

SEA11:35 amSeattle/Tacoma Intl

Jun 28

SEA6:00 amSeattle/Tacoma Intl

27h 50m

2 stops

BSL6:50 pmBasel EuroAirport Swiss

$630

American Airlines

Jun 11

BSL6:10 amBasel EuroAirport Swiss

14h 25m

1 stop

SEA11:35 amSeattle/Tacoma Intl

Jun 26

SEA11:48 amSeattle/Tacoma Intl

26h 02m

2 stops

BSL10:50 pmBasel EuroAirport Swiss

$633

Lufthansa flights from Basel EuroAirport Swiss to State of Washington

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

Lufthansa

Jul 1

BSL9:50 amBasel EuroAirport Swiss

16h 09m

1 stop

SEA4:59 pmSeattle/Tacoma Intl

Jul 15

SEA6:50 pmSeattle/Tacoma Intl

15h 50m

1 stop

BSL7:40 pmBasel EuroAirport Swiss

$738

Lufthansa

Jul 1

BSL8:25 amBasel EuroAirport Swiss

19h 41m

2 stops

SEA7:06 pmSeattle/Tacoma Intl

Jul 15

SEA6:50 pmSeattle/Tacoma Intl

15h 50m

1 stop

BSL7:40 pmBasel EuroAirport Swiss

$772

Lufthansa

Mar 11

BSL9:50 amBasel EuroAirport Swiss

12h 30m

1 stop

SEA2:20 pmSeattle/Tacoma Intl

Mar 20

SEA4:10 pmSeattle/Tacoma Intl

15h 55m

1 stop

BSL4:05 pmBasel EuroAirport Swiss

$779

momondo Fare Finder

Use the filters below to find and compare flights from Basel EuroAirport Swiss to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Thu 8/27

6:10 am-11:35 am

1 stop14h 25m

Seattle/Tacoma Intl

Sun 9/20

1:35 pm-11:20 am

1 stop12h 45m

$548

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Thu 8/27

6:10 am-11:35 am

1 stop14h 25m

Seattle/Tacoma Intl

Sat 9/19

11:32 am-10:50 pm

2 stops26h 18m

$628

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Thu 6/11

6:10 am-11:35 am

1 stop14h 25m

Seattle/Tacoma Intl

Sun 6/28

6:00 am-6:50 pm

2 stops27h 50m

$630

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Thu 6/11

6:10 am-11:35 am

1 stop14h 25m

Seattle/Tacoma Intl

Fri 6/26

11:48 am-10:50 pm

2 stops26h 02m

$633

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Thu 8/27

12:15 pm-11:50 pm

2 stops20h 35m

Seattle/Tacoma Intl

Thu 9/17

11:32 am-6:30 pm

2 stops21h 58m

$634

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Fri 6/5

6:00 am-11:39 pm

2 stops26h 39m

Seattle/Tacoma Intl

Fri 6/26

11:58 pm-10:50 pm

2 stops37h 52m

$636

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Thu 3/19

11:05 am-11:13 pm

2 stops20h 08m

Seattle/Tacoma Intl

Wed 3/25

11:45 am-2:55 pm

2 stops19h 10m

$637

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Tue 6/9

8:15 am-7:59 pm

2 stops20h 44m

Seattle/Tacoma Intl

Sat 6/27

1:45 pm-10:50 pm

2 stops24h 05m

$639

BaselPortland

BSL - PDX

BSLPDX

Basel EuroAirport Swiss

Sun 6/21

8:25 pm-9:31 am

2 stops46h 06m

Portland

Sun 7/19

7:45 pm-7:40 pm

2 stops38h 55m

$832

BaselPortland

BSL - PDX

BSLPDX

Basel EuroAirport Swiss

Sun 6/21

2:25 pm-11:10 am

1 stop29h 45m

Portland

Sun 7/19

1:05 pm-5:55 pm

1 stop19h 50m

$916

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 EuroAirport Swiss 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 EuroAirport Swiss to State of Washington flights?

You could potentially save up to 79% on your flight if you consider stops on a Basel EuroAirport Swiss to State of Washington flight.

Cheap Basel EuroAirport Swiss to State of Washington flight deals and tips

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

Fastest flight time	13h 20m
Direct flights	None

The fastest flight from Basel EuroAirport Swiss to State of Washington takes 13h 20m

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

Search flight deals

When did momondo last update prices for flights from Basel EuroAirport Swiss to Washington?
Prices for flights from Basel EuroAirport Swiss to Washington refresh daily.
How old do you have to be to fly from Basel EuroAirport Swiss 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 EuroAirport Swiss to Washington.
What documentation or ID do you need to fly to Washington?
The travel and health documents required for your trip to Washington can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Basel to Washington for you.

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

momondo does allow users to show only those flights to Washington from Basel which offer a flexible booking policy as well as other useful filters and features.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Basel to Washington.

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.