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.

$430 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.

8:25 am - 11:55 am

BSL

SEA

12h 30m

1 stop

6:50 pm - 7:40 pm

SEA

BSL

15h 50m

1 stop

$647Lufthansa

Wed, Sep 2 - Tue, Sep 22

6:00 am - 8:43 pm

BSL

SEA

23h 43m

2 stops

6:50 pm - 7:50 pm

SEA

BSL

16h 00m

1 stop

$652United Airlines

Sun, Aug 30 - Sat, Sep 26

8:15 am - 11:55 am

BSL

SEA

12h 40m

1 stop

2:10 pm - 6:20 pm

SEA

BSL

19h 10m

1 stop

$653United Airlines

Thu, Sep 24 - Mon, Sep 28

6:00 am - 11:55 am

BSL

SEA

14h 55m

1 stop

2:10 pm - 2:00 pm

SEA

BSL

14h 50m

1 stop

$654United Airlines

Thu, Sep 24 - Mon, Sep 28

8:15 am - 11:55 am

BSL

SEA

12h 40m

1 stop

2:10 pm - 2:00 pm

SEA

BSL

14h 50m

1 stop

$655United Airlines

Thu, Sep 24 - Mon, Sep 28

6:00 am - 2:22 pm

BSL

SEA

17h 22m

2 stops

2:10 pm - 2:00 pm

SEA

BSL

14h 50m

1 stop

$658United Airlines

Thu, Sep 24 - Mon, Sep 28

6:00 am - 8:43 pm

BSL

SEA

23h 43m

2 stops

2:10 pm - 5:50 pm

SEA

BSL

18h 40m

1 stop

$659United Airlines

Sun, Aug 30 - Fri, Sep 25

2:30 pm - 9:07 pm

BSL

SEA

39h 37m

2 stops

8:00 am - 2:05 pm

SEA

BSL

21h 05m

2 stops

$670Air Canada

Mon, Aug 31 - Tue, Sep 22

8:45 am - 1:50 pm

BSL

PDX

38h 05m

3 stops

3:30 pm - 10:15 am

PDX

BSL

33h 45m

2 stops

$1,429Multiple Airlines

Tue, May 12 - Tue, May 19

2:55 pm - 11:10 am

BSL

PDX

29h 15m

2 stops

6:55 am - 6:15 pm

PDX

BSL

26h 20m

2 stops

$1,679Multiple Airlines

Sun, May 10 - Sun, May 17

United Airlines flights from Basel to State of Washington

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

United Airlines

Aug 30

BSL6:00 amBasel EuroAirport Swiss

23h 43m

2 stops

SEA8:43 pmSeattle/Tacoma Intl

Sep 26

SEA6:50 pmSeattle/Tacoma Intl

16h 00m

1 stop

BSL7:50 pmBasel EuroAirport Swiss

$652

United Airlines

Sep 24

BSL8:15 amBasel EuroAirport Swiss

12h 40m

1 stop

SEA11:55 amSeattle/Tacoma Intl

Sep 28

SEA2:10 pmSeattle/Tacoma Intl

19h 10m

1 stop

BSL6:20 pmBasel EuroAirport Swiss

$653

United Airlines

Sep 24

BSL6:00 amBasel EuroAirport Swiss

14h 55m

1 stop

SEA11:55 amSeattle/Tacoma Intl

Sep 28

SEA2:10 pmSeattle/Tacoma Intl

14h 50m

1 stop

BSL2:00 pmBasel EuroAirport Swiss

$654

Lufthansa flights from Basel to State of Washington

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

Lufthansa

Sep 2

BSL8:25 amBasel EuroAirport Swiss

12h 30m

1 stop

SEA11:55 amSeattle/Tacoma Intl

Sep 22

SEA6:50 pmSeattle/Tacoma Intl

15h 50m

1 stop

BSL7:40 pmBasel EuroAirport Swiss

$647

Lufthansa

Jun 23

BSL8:15 amBasel EuroAirport Swiss

13h 05m

1 stop

SEA12:20 pmSeattle/Tacoma Intl

Jun 30

SEA6:50 pmSeattle/Tacoma Intl

15h 50m

1 stop

BSL7:40 pmBasel EuroAirport Swiss

$688

Lufthansa

Jun 20

BSL6:00 amBasel EuroAirport Swiss

15h 20m

1 stop

SEA12:20 pmSeattle/Tacoma Intl

Jul 6

SEA2:10 pmSeattle/Tacoma Intl

14h 50m

1 stop

BSL2:00 pmBasel EuroAirport Swiss

$707

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Wed 9/2

8:25 am-11:55 am

1 stop12h 30m

Seattle/Tacoma Intl

Tue 9/22

6:50 pm-7:40 pm

1 stop15h 50m

$647

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Sun 8/30

6:00 am-8:43 pm

2 stops23h 43m

Seattle/Tacoma Intl

Sat 9/26

6:50 pm-7:50 pm

1 stop16h 00m

$652

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Thu 9/24

8:15 am-11:55 am

1 stop12h 40m

Seattle/Tacoma Intl

Mon 9/28

2:10 pm-6:20 pm

1 stop19h 10m

$653

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Thu 9/24

6:00 am-11:55 am

1 stop14h 55m

Seattle/Tacoma Intl

Mon 9/28

2:10 pm-2:00 pm

1 stop14h 50m

$654

Quickest round-trip

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Thu 9/24

8:15 am-11:55 am

1 stop12h 40m

Seattle/Tacoma Intl

Mon 9/28

2:10 pm-2:00 pm

1 stop14h 50m

$655

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Thu 9/24

6:00 am-2:22 pm

2 stops17h 22m

Seattle/Tacoma Intl

Mon 9/28

2:10 pm-2:00 pm

1 stop14h 50m

$658

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Sun 8/30

6:00 am-8:43 pm

2 stops23h 43m

Seattle/Tacoma Intl

Fri 9/25

2:10 pm-5:50 pm

1 stop18h 40m

$659

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Mon 8/31

2:30 pm-9:07 pm

2 stops39h 37m

Seattle/Tacoma Intl

Tue 9/22

8:00 am-2:05 pm

2 stops21h 05m

$670

BaselPortland

BSL - PDX

BSLPDX

Basel EuroAirport Swiss

Tue 5/12

8:45 am-1:50 pm

3 stops38h 05m

Portland

Tue 5/19

3:30 pm-10:15 am

2 stops33h 45m

$1,429

BaselPortland

BSL - PDX

BSLPDX

Basel EuroAirport Swiss

Sun 5/10

2:55 pm-11:10 am

2 stops29h 15m

Portland

Sun 5/17

6:55 am-6:15 pm

2 stops26h 20m

$1,679

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 36% 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	13h 00m
Direct flights	None

The fastest flight from Basel to State of Washington takes 13h 00m

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.