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.

$457 Cheap Flights from Basel EuroAirport Swiss to State of Washington in 2026

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 - 11:55 am

BSL

SEA

14h 45m

1 stop

6:50 pm - 7:35 pm

SEA

BSL

15h 45m

1 stop

$724Lufthansa

Wed, Sep 9 - Wed, Sep 16

6:10 am - 11:55 am

BSL

SEA

14h 45m

1 stop

8:10 am - 10:00 am

SEA

BSL

16h 50m

2 stops

$730Lufthansa

Wed, Sep 9 - Wed, Sep 16

6:00 am - 11:55 am

BSL

SEA

14h 55m

1 stop

6:50 pm - 7:35 pm

SEA

BSL

15h 45m

1 stop

$730United Airlines

Thu, Sep 3 - Sun, Sep 6

6:10 am - 11:55 am

BSL

SEA

14h 45m

1 stop

3:54 pm - 7:35 pm

SEA

BSL

18h 41m

2 stops

$731United Airlines

Wed, Sep 2 - Mon, Sep 14

6:00 am - 11:55 am

BSL

SEA

14h 55m

1 stop

6:50 pm - 7:35 pm

SEA

BSL

15h 45m

1 stop

$731Lufthansa

Thu, Sep 3 - Wed, Sep 9

6:00 am - 11:55 am

BSL

SEA

14h 55m

1 stop

6:50 pm - 7:50 pm

SEA

BSL

16h 00m

1 stop

$731Lufthansa

Sat, Sep 5 - Sat, Sep 12

6:00 am - 11:55 am

BSL

SEA

14h 55m

1 stop

6:50 pm - 7:50 pm

SEA

BSL

16h 00m

1 stop

$731Lufthansa

Thu, Sep 3 - Sat, Sep 12

6:00 am - 11:55 am

BSL

SEA

14h 55m

1 stop

6:50 pm - 7:50 pm

SEA

BSL

16h 00m

1 stop

$731Lufthansa

Fri, Sep 4 - Sat, Sep 12

6:00 am - 11:55 am

BSL

SEA

14h 55m

1 stop

3:54 pm - 7:35 pm

SEA

BSL

18h 41m

2 stops

$731United Airlines

Sat, Sep 5 - Mon, Sep 14

6:00 am - 11:55 am

BSL

SEA

14h 55m

1 stop

8:40 am - 7:35 pm

SEA

BSL

25h 55m

2 stops

$731United Airlines

Sat, Sep 5 - Tue, Sep 8

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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

Sep 9

BSL6:10 amBasel EuroAirport Swiss

14h 45m

1 stop

SEA11:55 amSeattle/Tacoma Intl

Sep 16

SEA6:50 pmSeattle/Tacoma Intl

15h 45m

1 stop

BSL7:35 pmBasel EuroAirport Swiss

$724

Lufthansa

Sep 3

BSL6:00 amBasel EuroAirport Swiss

14h 55m

1 stop

SEA11:55 amSeattle/Tacoma Intl

Sep 9

SEA6:50 pmSeattle/Tacoma Intl

15h 45m

1 stop

BSL7:35 pmBasel EuroAirport Swiss

$762

Lufthansa

Sep 12

BSL1:05 pmBasel EuroAirport Swiss

12h 54m

1 stop

SEA4:59 pmSeattle/Tacoma Intl

Sep 19

SEA6:50 pmSeattle/Tacoma Intl

16h 00m

1 stop

BSL7:50 pmBasel EuroAirport Swiss

$769

United Airlines flights from Basel EuroAirport Swiss to State of Washington

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

United Airlines

Sep 3

BSL6:00 amBasel EuroAirport Swiss

14h 55m

1 stop

SEA11:55 amSeattle/Tacoma Intl

Sep 6

SEA6:50 pmSeattle/Tacoma Intl

15h 45m

1 stop

BSL7:35 pmBasel EuroAirport Swiss

$730

United Airlines

Sep 3

BSL6:00 amBasel EuroAirport Swiss

14h 55m

1 stop

SEA11:55 amSeattle/Tacoma Intl

Sep 8

SEA7:00 amSeattle/Tacoma Intl

27h 35m

2 stops

BSL7:35 pmBasel EuroAirport Swiss

$731

United Airlines

Sep 1

BSL6:05 amBasel EuroAirport Swiss

14h 50m

1 stop

SEA11:55 amSeattle/Tacoma Intl

Sep 14

SEA11:03 amSeattle/Tacoma Intl

23h 32m

2 stops

BSL7:35 pmBasel EuroAirport Swiss

$733

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

Cheapest round-trip

Quickest round-trip

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Wed 9/9

6:10 am-11:55 am

1 stop14h 45m

Seattle/Tacoma Intl

Wed 9/16

6:50 pm-7:35 pm

1 stop15h 45m

$724

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Wed 9/9

6:10 am-11:55 am

1 stop14h 45m

Seattle/Tacoma Intl

Wed 9/16

8:10 am-10:00 am

2 stops16h 50m

$730

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Thu 9/3

6:00 am-11:55 am

1 stop14h 55m

Seattle/Tacoma Intl

Sun 9/6

6:50 pm-7:35 pm

1 stop15h 45m

$730

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Wed 9/2

6:10 am-11:55 am

1 stop14h 45m

Seattle/Tacoma Intl

Mon 9/14

3:54 pm-7:35 pm

2 stops18h 41m

$731

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Thu 9/3

6:00 am-11:55 am

1 stop14h 55m

Seattle/Tacoma Intl

Wed 9/9

6:50 pm-7:35 pm

1 stop15h 45m

$731

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Sat 9/5

6:00 am-11:55 am

1 stop14h 55m

Seattle/Tacoma Intl

Sat 9/12

6:50 pm-7:50 pm

1 stop16h 00m

$731

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Thu 9/3

6:00 am-11:55 am

1 stop14h 55m

Seattle/Tacoma Intl

Sat 9/12

6:50 pm-7:50 pm

1 stop16h 00m

$731

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Fri 9/4

6:00 am-11:55 am

1 stop14h 55m

Seattle/Tacoma Intl

Sat 9/12

6:50 pm-7:50 pm

1 stop16h 00m

$731

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Sat 9/5

6:00 am-11:55 am

1 stop14h 55m

Seattle/Tacoma Intl

Mon 9/14

3:54 pm-7:35 pm

2 stops18h 41m

$731

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Sat 9/5

6:00 am-11:55 am

1 stop14h 55m

Seattle/Tacoma Intl

Tue 9/8

8:40 am-7:35 pm

2 stops25h 55m

$731

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

What is the cheapest month to fly to State of Washington?

The month of September is, on average, the cheapest month to fly to State of Washington from Basel EuroAirport Swiss, with most prices found around $0. If you aren’t able to travel to State of Washington during the month of September, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $0.

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

You could potentially save up to 80% 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 40m
Direct flights	None

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

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

Frequently asked questions about flying from Basel EuroAirport Swiss to Washington

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.