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

British Airways, Delta, and United Airlines are the most popular carriers operating from Washington to Basel EuroAirport Swiss

How long does it take to fly to Basel EuroAirport Swiss?

Flight times from State of Washington to Basel EuroAirport Swiss vary, but if you’re flying out of Seattle and flying into Basel EuroAirport Swiss (one of the most popular routes), then the duration is 13h 30m on average. Another popular route from State of Washington to Basel EuroAirport Swiss is flying from Pasco to Basel EuroAirport Swiss, which will take roughly 34h 35m. Keep in mind that layovers or delays could extend your travel time.

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

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

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington to Basel EuroAirport Swiss.

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

The travel and health documents you'll need for your trip to Basel EuroAirport Swiss may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Basel EuroAirport Swiss. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$283 Cheap Flights from State of Washington to Basel EuroAirport Swiss 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.

1:20 pm - 1:25 pm

PDX

BSL

15h 05m

1 stop

2:00 pm - 11:47 pm

BSL

PDX

18h 47m

2 stops

$754KLM

Mon, Nov 2 - Wed, Nov 4

7:30 am - 9:15 am

SEA

BSL

16h 45m

2 stops

6:05 am - 11:55 am

BSL

SEA

14h 50m

1 stop

$767United Airlines

Mon, Aug 17 - Tue, Aug 25

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 - 9:15 am

SEA

BSL

16h 45m

2 stops

6:05 am - 9:31 pm

BSL

SEA

24h 26m

2 stops

$777United Airlines

Mon, Aug 17 - Tue, Aug 25

2:30 pm - 4:05 pm

PDX

BSL

16h 35m

2 stops

8:00 pm - 6:31 pm

BSL

PDX

31h 31m

2 stops

$802Multiple Airlines

Mon, Nov 2 - Wed, Nov 4

8:20 pm - 6:50 pm

SEA

BSL

13h 30m

1 stop

6:40 am - 11:35 am

BSL

SEA

13h 55m

1 stop

$821British Airways

Sun, Oct 11 - Wed, Oct 21

1:30 pm - 1:30 pm

SEA

BSL

15h 00m

1 stop

6:30 am - 4:27 pm

BSL

SEA

18h 57m

1 stop

$849Delta

Sun, Aug 2 - Fri, Aug 14

6:40 pm - 9:55 am

SEA

BSL

30h 15m

1 stop

6:30 am - 4:27 pm

BSL

SEA

18h 57m

1 stop

$850Delta

Mon, Aug 3 - Fri, Aug 14

5:45 pm - 6:15 pm

PDX

BSL

15h 30m

1 stop

11:10 am - 3:50 pm

BSL

PDX

13h 40m

1 stop

$904British Airways

Mon, Nov 2 - Wed, Nov 4

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

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United Airlines flights from State of Washington to Basel EuroAirport Swiss

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

United Airlines

Aug 17

SEA7:30 amSeattle/Tacoma Intl

16h 45m

2 stops

BSL9:15 amBasel EuroAirport Swiss

Aug 25

BSL6:05 amBasel EuroAirport Swiss

14h 50m

1 stop

SEA11:55 amSeattle/Tacoma Intl

$767

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

United Airlines

Aug 17

SEA7:30 amSeattle/Tacoma Intl

16h 45m

2 stops

BSL9:15 amBasel EuroAirport Swiss

Aug 25

BSL6:05 amBasel EuroAirport Swiss

24h 26m

2 stops

SEA9:31 pmSeattle/Tacoma Intl

$777

British Airways flights from State of Washington to Basel EuroAirport Swiss

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

British Airways

Oct 11

SEA8:20 pmSeattle/Tacoma Intl

13h 30m

1 stop

BSL6:50 pmBasel EuroAirport Swiss

Oct 21

BSL6:40 amBasel EuroAirport Swiss

13h 55m

1 stop

SEA11:35 amSeattle/Tacoma Intl

$821

British Airways

Nov 2

PDX5:45 pmPortland

15h 30m

1 stop

BSL6:15 pmBasel EuroAirport Swiss

Nov 4

BSL11:10 amBasel EuroAirport Swiss

13h 40m

1 stop

PDX3:50 pmPortland

$904

British Airways

Aug 25

PDX7:30 pmPortland

14h 25m

1 stop

BSL6:55 pmBasel EuroAirport Swiss

Oct 6

BSL11:55 amBasel EuroAirport Swiss

14h 45m

1 stop

PDX5:40 pmPortland

$1,102

momondo Fare Finder

Use the filters below to find and compare flights from Washington to Basel EuroAirport Swiss that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandBasel

PDX - BSL

PDXBSL

Portland

Mon 11/2

1:20 pm-1:25 pm

1 stop15h 05m

Basel EuroAirport Swiss

Wed 11/4

2:00 pm-11:47 pm

2 stops18h 47m

$754

SeattleBasel

SEA - BSL

SEABSL

Seattle/Tacoma Intl

Mon 8/17

7:30 am-9:15 am

2 stops16h 45m

Basel EuroAirport Swiss

Tue 8/25

6:05 am-11:55 am

1 stop14h 50m

$767

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

Mon 8/17

7:30 am-9:15 am

2 stops16h 45m

Basel EuroAirport Swiss

Tue 8/25

6:05 am-9:31 pm

2 stops24h 26m

$777

PortlandBasel

PDX - BSL

PDXBSL

Portland

Mon 11/2

2:30 pm-4:05 pm

2 stops16h 35m

Basel EuroAirport Swiss

Wed 11/4

8:00 pm-6:31 pm

2 stops31h 31m

$802

Quickest round-trip

SeattleBasel

SEA - BSL

SEABSL

Seattle/Tacoma Intl

Sun 10/11

8:20 pm-6:50 pm

1 stop13h 30m

Basel EuroAirport Swiss

Wed 10/21

6:40 am-11:35 am

1 stop13h 55m

$821

SeattleBasel

SEA - BSL

SEABSL

Seattle/Tacoma Intl

Sun 8/2

1:30 pm-1:30 pm

1 stop15h 00m

Basel EuroAirport Swiss

Fri 8/14

6:30 am-4:27 pm

1 stop18h 57m

$849

SeattleBasel

SEA - BSL

SEABSL

Seattle/Tacoma Intl

Mon 8/3

6:40 pm-9:55 am

1 stop30h 15m

Basel EuroAirport Swiss

Fri 8/14

6:30 am-4:27 pm

1 stop18h 57m

$850

PortlandBasel

PDX - BSL

PDXBSL

Portland

Mon 11/2

5:45 pm-6:15 pm

1 stop15h 30m

Basel EuroAirport Swiss

Wed 11/4

11:10 am-3:50 pm

1 stop13h 40m

$904

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

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 EuroAirport Swiss

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 EuroAirport Swiss?

If you are unable to visit Basel EuroAirport Swiss during the month of June, then departing from State of Washington during the month April is also very affordable. Most momondo users find prices during this month for around $0.

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

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

Cheap State of Washington to Basel EuroAirport Swiss flight deals and tips

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

Fastest flight time	11h 40m
Direct flights	None

The fastest flight from State of Washington to Basel EuroAirport Swiss takes 11h 40m

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

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Frequently asked questions about flying from Washington to Basel EuroAirport Swiss

When did momondo last update prices for flights from Washington to Basel EuroAirport Swiss?
Prices for flights from Washington to Basel EuroAirport Swiss are refreshed on a daily basis.
How old do you have to be to fly from Washington to Basel EuroAirport Swiss?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington to Basel EuroAirport Swiss.
What documentation or ID do you need to fly to Basel EuroAirport Swiss?
The travel and health documents you'll need for your trip to Basel EuroAirport Swiss may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Basel EuroAirport Swiss. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Washington to Basel?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington to Basel. momondo saves you time and could save you money on your trip.

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

Flights from Washington to Basel 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 Washington to Basel?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Basel from Washington.

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

Yes momondo offers price alerts on flights to Basel from Washington. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Flights from Pasco Tri Cities to Santa Ana J. Wayne/Orange Cnty

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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United Airlines flights from State of Washington to Basel EuroAirport Swiss

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

British Airways flights from State of Washington to Basel EuroAirport Swiss

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

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Use the filters below to find and compare flights from Washington to Basel EuroAirport Swiss that are best for you.

See travel insights to Basel from

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

What is the cheapest month to fly to Basel EuroAirport Swiss?

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

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

How long does it take to fly to Basel EuroAirport Swiss?

Cheap State of Washington to Basel EuroAirport Swiss flight deals and tips

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

Fastest flight time

Direct flights

Frequently asked questions about flying from Washington to Basel EuroAirport Swiss

Why use momondo?

An easier way to manage your Basel EuroAirport Swiss 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.

Find better results for your trip to Basel

State of Washington flight routes

According to popular flight searches on momondo this year

Basel EuroAirport Swiss flight routes

According to popular flight searches on momondo this year

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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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According to popular flight searches on momondo this year