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

British Airways and American 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.

$683 Cheap Flights from Basel to Washington in 2026

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.

6:10 am - 11:35 am

BSL

SEA

14h 25m

1 stop

11:34 am - 10:50 pm

SEA

BSL

26h 16m

2 stops

$683American Airlines

Thu, Aug 27 - Fri, Oct 9

7:10 pm - 11:35 am

BSL

SEA

25h 25m

1 stop

1:30 pm - 10:50 pm

SEA

BSL

24h 20m

1 stop

$685British Airways

Tue, Aug 25 - Sat, Oct 10

6:40 am - 8:52 pm

BSL

SEA

23h 12m

2 stops

8:20 pm - 10:50 pm

SEA

BSL

17h 30m

1 stop

$686Multiple Airlines

Mon, Aug 24 - Sun, Oct 11

6:10 am - 11:35 am

BSL

SEA

14h 25m

1 stop

5:05 am - 10:55 am

SEA

BSL

20h 50m

2 stops

$687American Airlines

Thu, Aug 27 - Tue, Oct 13

6:35 am - 9:59 pm

BSL

SEA

24h 24m

2 stops

1:38 pm - 11:00 am

SEA

BSL

36h 22m

2 stops

$689American Airlines

Sat, Aug 22 - Sun, Sep 13

6:40 am - 8:52 pm

BSL

SEA

23h 12m

2 stops

1:38 pm - 6:30 pm

SEA

BSL

19h 52m

2 stops

$691British Airways

Wed, Aug 26 - Thu, Sep 10

6:00 am - 11:59 pm

BSL

SEA

26h 59m

2 stops

7:40 am - 11:00 am

SEA

BSL

18h 20m

2 stops

$693American Airlines

Fri, Aug 21 - Mon, Oct 12

6:10 am - 11:35 pm

BSL

SEA

26h 25m

2 stops

1:38 pm - 6:30 pm

SEA

BSL

19h 52m

2 stops

$727American Airlines

Thu, Aug 20 - Thu, Sep 10

6:30 am - 11:37 am

BSL

SEA

14h 07m

1 stop

11:59 am - 1:45 pm

SEA

BSL

16h 46m

2 stops

$732Delta

Sat, Aug 22 - Sun, Sep 13

6:30 pm - 11:37 am

BSL

SEA

26h 07m

1 stop

6:45 pm - 1:45 pm

SEA

BSL

34h 00m

1 stop

$734Air France

Fri, Aug 21 - Mon, Sep 14

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United Airlines flights from Basel to State of Washington

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

United Airlines

Sep 12

BSL6:00 amBasel EuroAirport Swiss

14h 55m

1 stop

SEA11:55 amSeattle/Tacoma Intl

Sep 13

SEA6:50 pmSeattle/Tacoma Intl

15h 50m

1 stop

BSL7:40 pmBasel EuroAirport Swiss

$773

United Airlines

Aug 22

BSL6:00 amBasel EuroAirport Swiss

14h 55m

1 stop

SEA11:55 amSeattle/Tacoma Intl

Sep 13

SEA6:50 pmSeattle/Tacoma Intl

15h 50m

1 stop

BSL7:40 pmBasel EuroAirport Swiss

$775

United Airlines

Jul 16

BSL2:50 pmBasel EuroAirport Swiss

29h 48m

2 stops

SEA11:38 amSeattle/Tacoma Intl

Aug 16

SEA7:00 amSeattle/Tacoma Intl

20h 25m

2 stops

BSL12:25 pmBasel EuroAirport Swiss

$778

Lufthansa flights from Basel to State of Washington

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

Lufthansa

Jul 22

BSL9:55 amBasel EuroAirport Swiss

16h 04m

1 stop

SEA4:59 pmSeattle/Tacoma Intl

Aug 13

SEA6:50 pmSeattle/Tacoma Intl

15h 45m

1 stop

BSL7:35 pmBasel EuroAirport Swiss

$747

Lufthansa

Jul 22

BSL9:55 amBasel EuroAirport Swiss

16h 04m

1 stop

SEA4:59 pmSeattle/Tacoma Intl

Aug 12

SEA2:10 pmSeattle/Tacoma Intl

14h 30m

1 stop

BSL1:40 pmBasel EuroAirport Swiss

$750

Lufthansa

Aug 13

BSL6:00 amBasel EuroAirport Swiss

14h 55m

1 stop

SEA11:55 amSeattle/Tacoma Intl

Sep 17

SEA6:50 pmSeattle/Tacoma Intl

15h 50m

1 stop

BSL7:40 pmBasel EuroAirport Swiss

$756

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Thu 8/27

6:10 am-11:35 am

1 stop14h 25m

Seattle/Tacoma Intl

Fri 10/9

11:34 am-10:50 pm

2 stops26h 16m

$683

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Tue 8/25

7:10 pm-11:35 am

1 stop25h 25m

Seattle/Tacoma Intl

Sat 10/10

1:30 pm-10:50 pm

1 stop24h 20m

$685

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Mon 8/24

6:40 am-8:52 pm

2 stops23h 12m

Seattle/Tacoma Intl

Sun 10/11

8:20 pm-10:50 pm

1 stop17h 30m

$686

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Thu 8/27

6:10 am-11:35 am

1 stop14h 25m

Seattle/Tacoma Intl

Tue 10/13

5:05 am-10:55 am

2 stops20h 50m

$687

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Sat 8/22

6:35 am-9:59 pm

2 stops24h 24m

Seattle/Tacoma Intl

Sun 9/13

1:38 pm-11:00 am

2 stops36h 22m

$689

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Wed 8/26

6:40 am-8:52 pm

2 stops23h 12m

Seattle/Tacoma Intl

Thu 9/10

1:38 pm-6:30 pm

2 stops19h 52m

$691

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Fri 8/21

6:00 am-11:59 pm

2 stops26h 59m

Seattle/Tacoma Intl

Mon 10/12

7:40 am-11:00 am

2 stops18h 20m

$693

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Thu 8/20

6:10 am-11:35 pm

2 stops26h 25m

Seattle/Tacoma Intl

Thu 9/10

1:38 pm-6:30 pm

2 stops19h 52m

$727

Quickest round-trip

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Sat 8/22

6:30 am-11:37 am

1 stop14h 07m

Seattle/Tacoma Intl

Sun 9/13

11:59 am-1:45 pm

2 stops16h 46m

$732

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Fri 8/21

6:30 pm-11:37 am

1 stop26h 07m

Seattle/Tacoma Intl

Mon 9/14

6:45 pm-1:45 pm

1 stop34h 00m

$734

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

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

The month of October is, on average, the cheapest month to fly to State of Washington from Basel, with most prices found around $521. If you aren’t able to travel to State of Washington during the month of October, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $527.

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

You could potentially save up to 80% 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	14h 55m
Direct flights	None

The fastest flight from Basel to State of Washington takes 14h 55m

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

Frequently asked questions about flying 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.

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.