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 15h 45m and 23h 26m, respectively.

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

British Airways, Delta, and United Airlines are the most popular carriers operating 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.

$283 Cheap Flights from Washington to Basel in 2026

Find the cheapest flights from Washington to Basel

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:50 pm - 7:35 pm

SEA

BSL

15h 45m

1 stop

9:55 am - 4:59 pm

BSL

SEA

16h 04m

1 stop

$764United Airlines

Tue, Aug 18 - Thu, Aug 27

3:54 pm - 7:35 pm

SEA

BSL

18h 41m

2 stops

6:00 am - 6:32 pm

BSL

SEA

21h 32m

2 stops

$768United Airlines

Tue, Aug 18 - Thu, Aug 27

2:10 pm - 2:05 pm

SEA

BSL

14h 55m

1 stop

6:10 am - 11:55 am

BSL

SEA

14h 45m

1 stop

$775United Airlines

Tue, Aug 18 - Wed, Aug 26

7:30 am - 2:05 pm

SEA

BSL

21h 35m

2 stops

6:10 am - 11:55 am

BSL

SEA

14h 45m

1 stop

$779United Airlines

Tue, Aug 18 - Wed, Aug 26

1:30 pm - 1:30 pm

SEA

BSL

15h 00m

1 stop

6:30 am - 11:37 am

BSL

SEA

14h 07m

1 stop

$792Delta

Tue, Jul 21 - Wed, Aug 26

6:35 pm - 9:55 am

SEA

BSL

30h 20m

1 stop

6:30 am - 11:37 am

BSL

SEA

14h 07m

1 stop

$793Delta

Mon, Jul 20 - Thu, Aug 27

6:50 pm - 7:35 pm

SEA

BSL

15h 45m

1 stop

6:10 am - 11:55 am

BSL

SEA

14h 45m

1 stop

$794Lufthansa

Wed, Jul 22 - Wed, Aug 26

6:50 pm - 7:35 pm

SEA

BSL

15h 45m

1 stop

6:00 am - 11:55 am

BSL

SEA

14h 55m

1 stop

$831Lufthansa

Thu, Jul 23 - Thu, Aug 27

6:39 am - 11:00 am

PDX

BSL

19h 21m

2 stops

8:15 am - 7:48 pm

BSL

PDX

20h 33m

2 stops

$953American Airlines

Fri, Jul 31 - Tue, Aug 11

11:50 am - 1:50 pm

PDX

BSL

17h 00m

2 stops

2:20 pm - 11:10 am

BSL

PDX

29h 50m

1 stop

$992Multiple Airlines

Tue, Aug 4 - Tue, Aug 11

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Delta flights from State of Washington to Basel

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

Delta

Jul 21

SEA1:30 pmSeattle/Tacoma Intl

15h 00m

1 stop

BSL1:30 pmBasel EuroAirport Swiss

Aug 28

BSL10:15 amBasel EuroAirport Swiss

15h 12m

1 stop

SEA4:27 pmSeattle/Tacoma Intl

$792

Delta

Jul 20

SEA6:35 pmSeattle/Tacoma Intl

30h 20m

1 stop

BSL9:55 amBasel EuroAirport Swiss

Aug 28

BSL6:30 amBasel EuroAirport Swiss

14h 07m

1 stop

SEA11:37 amSeattle/Tacoma Intl

$793

Delta

Aug 2

SEA1:30 pmSeattle/Tacoma Intl

15h 00m

1 stop

BSL1:30 pmBasel EuroAirport Swiss

Aug 14

BSL6:30 amBasel EuroAirport Swiss

18h 57m

1 stop

SEA4:27 pmSeattle/Tacoma Intl

$849

United Airlines flights from State of Washington to Basel

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

United Airlines

Aug 18

SEA6:50 pmSeattle/Tacoma Intl

15h 45m

1 stop

BSL7:35 pmBasel EuroAirport Swiss

Aug 27

BSL6:00 amBasel EuroAirport Swiss

17h 22m

2 stops

SEA2:22 pmSeattle/Tacoma Intl

$764

United Airlines

Aug 18

SEA3:54 pmSeattle/Tacoma Intl

18h 41m

2 stops

BSL7:35 pmBasel EuroAirport Swiss

Aug 27

BSL6:00 amBasel EuroAirport Swiss

21h 32m

2 stops

SEA6:32 pmSeattle/Tacoma Intl

$768

United Airlines

Aug 18

SEA2:10 pmSeattle/Tacoma Intl

14h 55m

1 stop

BSL2:05 pmBasel EuroAirport Swiss

Aug 26

BSL6:10 amBasel EuroAirport Swiss

14h 45m

1 stop

SEA11:55 amSeattle/Tacoma Intl

$775

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleBasel

SEA - BSL

SEABSL

Seattle/Tacoma Intl

Tue 8/18

6:50 pm-7:35 pm

1 stop15h 45m

Basel EuroAirport Swiss

Thu 8/27

9:55 am-4:59 pm

1 stop16h 04m

$764

SeattleBasel

SEA - BSL

SEABSL

Seattle/Tacoma Intl

Tue 8/18

3:54 pm-7:35 pm

2 stops18h 41m

Basel EuroAirport Swiss

Thu 8/27

6:00 am-6:32 pm

2 stops21h 32m

$768

SeattleBasel

SEA - BSL

SEABSL

Seattle/Tacoma Intl

Tue 8/18

2:10 pm-2:05 pm

1 stop14h 55m

Basel EuroAirport Swiss

Wed 8/26

6:10 am-11:55 am

1 stop14h 45m

$775

SeattleBasel

SEA - BSL

SEABSL

Seattle/Tacoma Intl

Tue 8/18

7:30 am-2:05 pm

2 stops21h 35m

Basel EuroAirport Swiss

Wed 8/26

6:10 am-11:55 am

1 stop14h 45m

$779

Quickest round-trip

SeattleBasel

SEA - BSL

SEABSL

Seattle/Tacoma Intl

Tue 7/21

1:30 pm-1:30 pm

1 stop15h 00m

Basel EuroAirport Swiss

Wed 8/26

6:30 am-11:37 am

1 stop14h 07m

$792

SeattleBasel

SEA - BSL

SEABSL

Seattle/Tacoma Intl

Mon 7/20

6:35 pm-9:55 am

1 stop30h 20m

Basel EuroAirport Swiss

Thu 8/27

6:30 am-11:37 am

1 stop14h 07m

$793

SeattleBasel

SEA - BSL

SEABSL

Seattle/Tacoma Intl

Wed 7/22

6:50 pm-7:35 pm

1 stop15h 45m

Basel EuroAirport Swiss

Wed 8/26

6:10 am-11:55 am

1 stop14h 45m

$794

SeattleBasel

SEA - BSL

SEABSL

Seattle/Tacoma Intl

Thu 7/23

6:50 pm-7:35 pm

1 stop15h 45m

Basel EuroAirport Swiss

Thu 8/27

6:00 am-11:55 am

1 stop14h 55m

$831

PortlandBasel

PDX - BSL

PDXBSL

Portland

Fri 7/31

6:39 am-11:00 am

2 stops19h 21m

Basel EuroAirport Swiss

Tue 8/11

8:15 am-7:48 pm

2 stops20h 33m

$953

PortlandBasel

PDX - BSL

PDXBSL

Portland

Tue 8/4

11:50 am-1:50 pm

2 stops17h 00m

Basel EuroAirport Swiss

Tue 8/11

2:20 pm-11:10 am

1 stop29h 50m

$992

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

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What is the cheapest month to fly to Basel?

If you aren’t able to travel to Basel during the month of June, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $0.

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	15h 45m
Direct flights	None

The fastest flight from State of Washington to Basel takes 15h 45m

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

Search flight deals

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 $283

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 8/23. 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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Delta flights from State of Washington to Basel

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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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