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

British Airways is the most popular carrier operating from Washington to Basel

How long does it take to fly to Basel?

If you’re flying from a popular airport in State of Washington, such as Seattle or Pasco, and flying into Basel, then you can expect flight times to average 12h 25m and 23h 46m, respectively.

When did momondo last update prices for flights from Washington to Basel?

Prices for flights from Washington to Basel are refreshed on a daily basis.

How old do you have to be to fly from Washington to Basel?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington to Basel.

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

The travel and health documents required for your trip to Basel 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 Basel. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$332 Cheap Flights from Washington to Basel in 2026

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Find the cheapest flights from Washington to Basel

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:10 pm - 4:05 pm

SEA

BSL

15h 55m

1 stop

9:50 am - 1:20 pm

BSL

SEA

12h 30m

1 stop

$706United Airlines

Wed, Nov 4 - Fri, Nov 13

1:25 pm - 10:20 pm

SEA

BSL

23h 55m

1 stop

7:00 am - 4:55 pm

BSL

SEA

18h 55m

1 stop

$709British Airways

Tue, Nov 3 - Fri, Nov 13

7:00 am - 7:40 pm

SEA

BSL

27h 40m

2 stops

6:45 am - 12:10 pm

BSL

SEA

14h 25m

1 stop

$719Lufthansa

Tue, Nov 3 - Thu, Nov 19

7:00 am - 7:40 pm

SEA

BSL

27h 40m

2 stops

7:05 pm - 12:10 pm

BSL

SEA

26h 05m

1 stop

$739Lufthansa

Tue, Nov 3 - Mon, Nov 16

10:35 am - 12:30 pm

SEA

BSL

16h 55m

2 stops

10:35 am - 10:16 pm

BSL

SEA

20h 41m

2 stops

$744Multiple Airlines

Sun, Nov 1 - Sun, Nov 15

3:30 pm - 7:40 pm

PDX

BSL

19h 10m

2 stops

9:50 am - 6:30 pm

BSL

PDX

16h 40m

2 stops

$875Multiple Airlines

Thu, Oct 22 - Fri, Oct 30

1:05 pm - 9:45 am

PDX

BSL

11h 40m

1 stop

6:05 am - 12:25 pm

BSL

PDX

14h 20m

1 stop

$900KLM

Thu, Oct 22 - Fri, Oct 30

7:00 am - 9:45 am

PDX

BSL

17h 45m

2 stops

6:30 pm - 11:10 am

BSL

PDX

25h 40m

1 stop

$905KLM

Thu, Oct 1 - Tue, Oct 13

7:00 am - 9:55 am

PDX

BSL

17h 55m

2 stops

6:30 am - 11:10 am

BSL

PDX

13h 40m

1 stop

$998Delta

Fri, Jul 31 - Tue, Aug 11

7:00 am - 9:55 am

PDX

BSL

17h 55m

2 stops

6:30 am - 11:10 am

BSL

PDX

13h 40m

1 stop

$1,036Delta

Fri, Jul 31 - Tue, Aug 11

Lufthansa flights from State of Washington to Basel

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

Lufthansa

Nov 3

SEA7:00 amSeattle/Tacoma Intl

27h 40m

2 stops

BSL7:40 pmBasel EuroAirport Swiss

Nov 19

BSL6:45 amBasel EuroAirport Swiss

14h 25m

1 stop

SEA12:10 pmSeattle/Tacoma Intl

$719

Lufthansa

Nov 3

SEA7:00 amSeattle/Tacoma Intl

27h 40m

2 stops

BSL7:40 pmBasel EuroAirport Swiss

Nov 16

BSL7:05 pmBasel EuroAirport Swiss

26h 05m

1 stop

SEA12:10 pmSeattle/Tacoma Intl

$739

Lufthansa

Nov 6

SEA3:10 pmSeattle/Tacoma Intl

15h 55m

1 stop

BSL4:05 pmBasel EuroAirport Swiss

Nov 15

BSL9:50 amBasel EuroAirport Swiss

12h 30m

1 stop

SEA1:20 pmSeattle/Tacoma Intl

$805

United Airlines flights from State of Washington to Basel

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

United Airlines

Nov 4

SEA3:10 pmSeattle/Tacoma Intl

15h 55m

1 stop

BSL4:05 pmBasel EuroAirport Swiss

Nov 13

BSL9:50 amBasel EuroAirport Swiss

12h 30m

1 stop

SEA1:20 pmSeattle/Tacoma Intl

$706

United Airlines

Nov 3

SEA5:07 amSeattle/Tacoma Intl

22h 23m

2 stops

BSL12:30 pmBasel EuroAirport Swiss

Nov 18

BSL9:50 amBasel EuroAirport Swiss

12h 30m

1 stop

SEA1:20 pmSeattle/Tacoma Intl

$710

United Airlines

Nov 4

SEA3:10 pmSeattle/Tacoma Intl

15h 55m

1 stop

BSL4:05 pmBasel EuroAirport Swiss

Nov 17

BSL9:50 amBasel EuroAirport Swiss

17h 19m

2 stops

SEA6:09 pmSeattle/Tacoma Intl

$716

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleBasel

SEA - BSL

SEABSL

Seattle/Tacoma Intl

Wed 11/4

3:10 pm-4:05 pm

1 stop15h 55m

Basel EuroAirport Swiss

Fri 11/13

9:50 am-1:20 pm

1 stop12h 30m

$706

SeattleBasel

SEA - BSL

SEABSL

Seattle/Tacoma Intl

Tue 11/3

1:25 pm-10:20 pm

1 stop23h 55m

Basel EuroAirport Swiss

Fri 11/13

7:00 am-4:55 pm

1 stop18h 55m

$709

SeattleBasel

SEA - BSL

SEABSL

Seattle/Tacoma Intl

Tue 11/3

7:00 am-7:40 pm

2 stops27h 40m

Basel EuroAirport Swiss

Thu 11/19

6:45 am-12:10 pm

1 stop14h 25m

$719

SeattleBasel

SEA - BSL

SEABSL

Seattle/Tacoma Intl

Tue 11/3

7:00 am-7:40 pm

2 stops27h 40m

Basel EuroAirport Swiss

Mon 11/16

7:05 pm-12:10 pm

1 stop26h 05m

$739

SeattleBasel

SEA - BSL

SEABSL

Seattle/Tacoma Intl

Sun 11/1

10:35 am-12:30 pm

2 stops16h 55m

Basel EuroAirport Swiss

Sun 11/15

10:35 am-10:16 pm

2 stops20h 41m

$744

PortlandBasel

PDX - BSL

PDXBSL

Portland

Thu 10/22

3:30 pm-7:40 pm

2 stops19h 10m

Basel EuroAirport Swiss

Fri 10/30

9:50 am-6:30 pm

2 stops16h 40m

$875

Quickest round-trip

PortlandBasel

PDX - BSL

PDXBSL

Portland

Thu 10/22

1:05 pm-9:45 am

1 stop11h 40m

Basel EuroAirport Swiss

Fri 10/30

6:05 am-12:25 pm

1 stop14h 20m

$900

PortlandBasel

PDX - BSL

PDXBSL

Portland

Thu 10/1

7:00 am-9:45 am

2 stops17h 45m

Basel EuroAirport Swiss

Tue 10/13

6:30 pm-11:10 am

1 stop25h 40m

$905

PortlandBasel

PDX - BSL

PDXBSL

Portland

Fri 7/31

7:00 am-9:55 am

2 stops17h 55m

Basel EuroAirport Swiss

Tue 8/11

6:30 am-11:10 am

1 stop13h 40m

$998

PortlandBasel

PDX - BSL

PDXBSL

Portland

Fri 7/31

7:00 am-9:55 am

2 stops17h 55m

Basel EuroAirport Swiss

Tue 8/11

6:30 am-11:10 am

1 stop13h 40m

$1,036

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 State of Washington to Basel

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

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Other information

What is the cheapest month to fly to Basel?

If you aren’t able to travel to Basel during the month of October, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $384.

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

You could potentially save up to 3% on your flight if you consider stops on a State of Washington to Basel flight.

Cheap State of Washington to Basel flight deals and tips

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

Fastest flight time	12h 25m
Direct flights	None

The fastest flight from State of Washington to Basel takes 12h 25m

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

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Frequently asked questions about flying from Washington to Basel

When did momondo last update prices for flights from Washington to Basel?
Prices for flights from Washington to Basel are refreshed on a daily basis.
How old do you have to be to fly from Washington to Basel?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington to Basel.
What documentation or ID do you need to fly to Basel?
The travel and health documents required for your trip to Basel 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 Basel. 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 Washington to Basel?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Basel from Washington.

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

Yes. momondo enables you to select and highlight flights to Basel from Washington with this policy.

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

Once you have performed a search for Washington to Basel flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Washington to Basel right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Washington to Basel flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Cheap flights from Washington to Basel from $332

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Basel departing on 5/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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How to get the cheapest flight ticket from State of Washington to Basel

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

How long does it take to fly to Basel?

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Why use momondo?

An easier way to manage your Basel trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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List of cabin classes available on flights landing in Basel. Availability may vary depending on flight origin and airline.

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