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.

$340 Cheap Flights from Basel to Washington in 2025/26

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0 bags

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Find the cheapest flights from Basel to Washington

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:05 am - 4:55 pm

BSL

SEA

19h 50m1 stop

6:50 pm - 6:15 pm

SEA

BSL

14h 25m1 stop

$523American Airlines

Thu, Feb 19 - Mon, Mar 2

11:05 am - 11:29 pm

BSL

SEA

21h 24m2 stops

1:49 pm - 6:15 pm

SEA

BSL

19h 26m2 stops

$528American Airlines

Thu, Feb 19 - Mon, Mar 2

11:05 am - 11:29 pm

BSL

SEA

21h 24m2 stops

10:31 am - 6:15 pm

SEA

BSL

22h 44m2 stops

$532Multiple Airlines

Thu, Feb 19 - Mon, Mar 2

9:50 am - 6:26 pm

BSL

SEA

17h 36m2 stops

8:10 am - 12:30 pm

SEA

BSL

19h 20m2 stops

$748United Airlines

Thu, Feb 5 - Thu, Feb 12

6:15 am - 3:55 pm

BSL

PDX

18h 40m1 stop

6:43 am - 3:35 pm

PDX

BSL

23h 52m2 stops

$1,125Multiple Airlines

Mon, Feb 16 - Sat, Feb 21

10:55 am - 12:51 am

BSL

PDX

22h 56m2 stops

12:02 pm - 3:35 pm

PDX

BSL

18h 33m2 stops

$1,212British Airways

Mon, Feb 16 - Sat, Feb 21

6:45 am - 1:20 pm

BSL

SEA

15h 35m2 stops

3:10 pm - 12:30 pm

SEA

BSL

12h 20m1 stop

$5,739Multiple Airlines

Wed, Feb 18 - Sun, Mar 1

6:45 am - 1:20 pm

BSL

SEA

15h 35m2 stops

3:10 pm - 1:45 pm

SEA

BSL

13h 35m2 stops

$5,771Multiple Airlines

Wed, Feb 18 - Sun, Mar 1

11:20 am - 6:42 pm

BSL

SEA

16h 22m2 stops

1:39 pm - 3:05 pm

SEA

BSL

16h 26m2 stops

$6,502British Airways

Sun, Feb 22 - Thu, Mar 5

5:55 pm - 11:40 am

BSL

SEA

26h 45m1 stop

2:15 pm - 1:50 pm

SEA

BSL

14h 35m1 stop

$7,005Air France

Mon, Feb 9 - Fri, Feb 13

British Airways flights from Basel to State of Washington

Our best British Airways deals on Basel to State of Washington flight tickets

British Airways

Feb 16

BSL10:55 amBasel EuroAirport Swiss

22h 56m

2 stops

PDX12:51 amPortland

Feb 21

PDX12:02 pmPortland

18h 33m

2 stops

BSL3:35 pmBasel EuroAirport Swiss

$1,212

Find similar

British Airways

Feb 22

BSL11:20 amBasel EuroAirport Swiss

16h 22m

2 stops

SEA6:42 pmSeattle/Tacoma Intl

Mar 5

SEA1:39 pmSeattle/Tacoma Intl

16h 26m

2 stops

BSL3:05 pmBasel EuroAirport Swiss

$6,502

Find similar

British Airways

Feb 9

BSL10:55 amBasel EuroAirport Swiss

20h 25m

2 stops

SEA10:20 pmSeattle/Tacoma Intl

Feb 13

SEA1:39 pmSeattle/Tacoma Intl

18h 26m

2 stops

BSL5:05 pmBasel EuroAirport Swiss

$6,889

Find similar

American Airlines flights from Basel to State of Washington

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

American Airlines

Feb 19

BSL11:05 amBasel EuroAirport Swiss

14h 50m

1 stop

SEA4:55 pmSeattle/Tacoma Intl

Mar 2

SEA6:50 pmSeattle/Tacoma Intl

14h 25m

1 stop

BSL6:15 pmBasel EuroAirport Swiss

$523

Find similar

American Airlines

Feb 19

BSL11:05 amBasel EuroAirport Swiss

21h 24m

2 stops

SEA11:29 pmSeattle/Tacoma Intl

Mar 2

SEA1:49 pmSeattle/Tacoma Intl

19h 26m

2 stops

BSL6:15 pmBasel EuroAirport Swiss

$528

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Thu 2/19

6:05 am-4:55 pm

1 stop19h 50m

Seattle/Tacoma Intl

Mon 3/2

6:50 pm-6:15 pm

1 stop14h 25m

$523

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Thu 2/19

11:05 am-11:29 pm

2 stops21h 24m

Seattle/Tacoma Intl

Mon 3/2

1:49 pm-6:15 pm

2 stops19h 26m

$528

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Thu 2/19

11:05 am-11:29 pm

2 stops21h 24m

Seattle/Tacoma Intl

Mon 3/2

10:31 am-6:15 pm

2 stops22h 44m

$532

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Thu 2/5

9:50 am-6:26 pm

2 stops17h 36m

Seattle/Tacoma Intl

Thu 2/12

8:10 am-12:30 pm

2 stops19h 20m

$748

BaselPortland

BSL - PDX

BSLPDX

Basel EuroAirport Swiss

Mon 2/16

6:15 am-3:55 pm

1 stop18h 40m

Portland

Sat 2/21

6:43 am-3:35 pm

2 stops23h 52m

$1,125

BaselPortland

BSL - PDX

BSLPDX

Basel EuroAirport Swiss

Mon 2/16

10:55 am-12:51 am

2 stops22h 56m

Portland

Sat 2/21

12:02 pm-3:35 pm

2 stops18h 33m

$1,212

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Wed 2/18

6:45 am-1:20 pm

2 stops15h 35m

Seattle/Tacoma Intl

Sun 3/1

3:10 pm-12:30 pm

1 stop12h 20m

$5,739

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Wed 2/18

6:45 am-1:20 pm

2 stops15h 35m

Seattle/Tacoma Intl

Sun 3/1

3:10 pm-1:45 pm

2 stops13h 35m

$5,771

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Sun 2/22

11:20 am-6:42 pm

2 stops16h 22m

Seattle/Tacoma Intl

Thu 3/5

1:39 pm-3:05 pm

2 stops16h 26m

$6,502

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Mon 2/9

5:55 pm-11:40 am

1 stop26h 45m

Seattle/Tacoma Intl

Fri 2/13

2:15 pm-1:50 pm

1 stop14h 35m

$7,005

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 46% 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	18h 40m
Direct flights	None

The fastest flight from Basel to State of Washington takes 18h 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.