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

Air France 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 21h 25m. 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.

$375 Cheap Flights from State of Washington to Basel EuroAirport Swiss in 2026/27

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.

3:25 pm - 1:55 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

13h 30m1 stop Paris Charles de Gaulle

6:00 am - 11:47 amBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

14h 47m1 stop Amsterdam Schiphol

$625Delta

Mon, Nov 2 - Thu, Nov 12

10:39 am - 1:55 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

18h 16m2 stops Chicago O'Hare Intl Paris Charles de Gaulle

6:00 am - 11:47 amBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

14h 47m1 stop Amsterdam Schiphol

$630Delta

Mon, Nov 2 - Thu, Nov 12

9:42 am - 1:55 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

19h 13m2 stops Salt Lake City Paris Charles de Gaulle

6:00 am - 2:55 pmBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

17h 55m2 stops Amsterdam Schiphol Salt Lake City

$640Delta

Mon, Nov 2 - Thu, Nov 12

3:25 pm - 1:55 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

13h 30m1 stop Paris Charles de Gaulle

6:00 am - 11:47 amBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

14h 47m1 stop Amsterdam Schiphol

$675Multiple Airlines

Mon, Nov 2 - Sun, Nov 8

9:45 am - 1:45 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

19h 00m2 stops Los Angeles Paris Charles de Gaulle

10:10 am - 8:16 pmBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

18h 06m2 stops Amsterdam Schiphol Chicago O'Hare Intl

$679Delta

Wed, Oct 21 - Wed, Oct 28

10:39 am - 1:55 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

18h 16m2 stops Chicago O'Hare Intl Paris Charles de Gaulle

10:45 am - 3:14 pmBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

13h 29m1 stop Paris Charles de Gaulle

$680Delta

Mon, Nov 2 - Sun, Nov 8

5:45 pm - 5:50 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

15h 05m1 stop Amsterdam Schiphol

10:10 am - 8:16 pmBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

18h 06m2 stops Amsterdam Schiphol Chicago O'Hare Intl

$686Multiple Airlines

Wed, Oct 21 - Wed, Oct 28

2:07 pm - 5:25 pmGEG Spokane-BSL Basel EuroAirport Swiss

18h 18m2 stops Minneapolis St Paul Amsterdam Schiphol

10:05 am - 8:17 pmBSL Basel EuroAirport Swiss-GEG Spokane

19h 12m2 stops Amsterdam Schiphol Minneapolis St Paul

$700Delta

Wed, Nov 18 - Thu, Dec 3

5:41 pm - 1:25 pmGEG Spokane-BSL Basel EuroAirport Swiss

34h 44m2 stops Seattle/Tacoma Intl Amsterdam Schiphol

6:00 am - 2:46 pmBSL Basel EuroAirport Swiss-GEG Spokane

17h 46m2 stops Amsterdam Schiphol Seattle/Tacoma Intl

$706Delta

Sun, Nov 22 - Thu, Dec 3

5:41 pm - 1:55 pmGEG Spokane-BSL Basel EuroAirport Swiss

35h 14m2 stops Seattle/Tacoma Intl Paris Charles de Gaulle

2:35 pm - 4:57 pmBSL Basel EuroAirport Swiss-GEG Spokane

35h 22m2 stops Paris Charles de Gaulle Seattle/Tacoma Intl

$707Delta

Sun, Nov 22 - Wed, Dec 2

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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

Nov 18

GEG11:22 amSpokane

19h 43m

2 stops

BSL4:05 pmBasel EuroAirport Swiss

Dec 2

BSL1:00 pmBasel EuroAirport Swiss

41h 25m

2 stops

GEG9:25 pmSpokane

$728

United Airlines

Nov 21

GEG1:10 pmSpokane

38h 10m

2 stops

BSL12:20 pmBasel EuroAirport Swiss

Dec 3

BSL6:45 amBasel EuroAirport Swiss

23h 40m

2 stops

GEG9:25 pmSpokane

$746

United Airlines

Nov 18

GEG11:22 amSpokane

19h 43m

2 stops

BSL4:05 pmBasel EuroAirport Swiss

Dec 1

BSL6:40 amBasel EuroAirport Swiss

37h 48m

2 stops

GEG11:28 amSpokane

$747

KLM flights from State of Washington to Basel EuroAirport Swiss

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

KLM

Nov 7

SEA4:05 pmSeattle/Tacoma Intl

12h 50m

1 stop

BSL1:55 pmBasel EuroAirport Swiss

Nov 15

BSL2:00 pmBasel EuroAirport Swiss

18h 57m

2 stops

SEA11:57 pmSeattle/Tacoma Intl

$736

KLM

Nov 7

SEA4:05 pmSeattle/Tacoma Intl

12h 50m

1 stop

BSL1:55 pmBasel EuroAirport Swiss

Nov 15

BSL6:00 amBasel EuroAirport Swiss

14h 47m

1 stop

SEA11:47 amSeattle/Tacoma Intl

$811

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

Quickest round-trip

SeattleBasel

SEA Seattle/Tacoma Intl - BSL Basel EuroAirport Swiss

SEABSL

Seattle/Tacoma Intl

Mon 11/2

3:25 pm-1:55 pm

1 stop13h 30m

Basel EuroAirport Swiss

Thu 11/12

6:00 am-11:47 am

1 stop14h 47m

$625

SeattleBasel

SEA Seattle/Tacoma Intl - BSL Basel EuroAirport Swiss

SEABSL

Seattle/Tacoma Intl

Mon 11/2

10:39 am-1:55 pm

2 stops18h 16m

Basel EuroAirport Swiss

Thu 11/12

6:00 am-11:47 am

1 stop14h 47m

$630

SeattleBasel

SEA Seattle/Tacoma Intl - BSL Basel EuroAirport Swiss

SEABSL

Seattle/Tacoma Intl

Mon 11/2

9:42 am-1:55 pm

2 stops19h 13m

Basel EuroAirport Swiss

Thu 11/12

6:00 am-2:55 pm

2 stops17h 55m

$640

SeattleBasel

SEA Seattle/Tacoma Intl - BSL Basel EuroAirport Swiss

SEABSL

Seattle/Tacoma Intl

Mon 11/2

3:25 pm-1:55 pm

1 stop13h 30m

Basel EuroAirport Swiss

Sun 11/8

6:00 am-11:47 am

1 stop14h 47m

$675

SeattleBasel

SEA Seattle/Tacoma Intl - BSL Basel EuroAirport Swiss

SEABSL

Seattle/Tacoma Intl

Wed 10/21

9:45 am-1:45 pm

2 stops19h 00m

Basel EuroAirport Swiss

Wed 10/28

10:10 am-8:16 pm

2 stops18h 06m

$679

SeattleBasel

SEA Seattle/Tacoma Intl - BSL Basel EuroAirport Swiss

SEABSL

Seattle/Tacoma Intl

Mon 11/2

10:39 am-1:55 pm

2 stops18h 16m

Basel EuroAirport Swiss

Sun 11/8

10:45 am-3:14 pm

1 stop13h 29m

$680

SeattleBasel

SEA Seattle/Tacoma Intl - BSL Basel EuroAirport Swiss

SEABSL

Seattle/Tacoma Intl

Wed 10/21

5:45 pm-5:50 pm

1 stop15h 05m

Basel EuroAirport Swiss

Wed 10/28

10:10 am-8:16 pm

2 stops18h 06m

$686

SpokaneBasel

GEG Spokane - BSL Basel EuroAirport Swiss

GEGBSL

Spokane

Wed 11/18

2:07 pm-5:25 pm

2 stops18h 18m

Basel EuroAirport Swiss

Thu 12/3

10:05 am-8:17 pm

2 stops19h 12m

$700

SpokaneBasel

GEG Spokane - BSL Basel EuroAirport Swiss

GEGBSL

Spokane

Sun 11/22

5:41 pm-1:25 pm

2 stops34h 44m

Basel EuroAirport Swiss

Thu 12/3

6:00 am-2:46 pm

2 stops17h 46m

$706

SpokaneBasel

GEG Spokane - BSL Basel EuroAirport Swiss

GEGBSL

Spokane

Sun 11/22

5:41 pm-1:55 pm

2 stops35h 14m

Basel EuroAirport Swiss

Wed 12/2

2:35 pm-4:57 pm

2 stops35h 22m

$707

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

Airlines

Other information

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

You could potentially save up to 14% 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

Best Price Found	$375
Fastest flight time	11h 40m
Direct flights	None

The best one-way flight to Basel EuroAirport Swiss from State of Washington in the past 72 hours is $375. The best round-trip flight deal from State of Washington to Basel EuroAirport Swiss found on momondo in the last 72 hours is $625.

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.

Search flight deals

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.

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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Fri 10/23

Fri 10/30

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Basel

Other flights from Washington

Other flights to Basel

Cabin classes

Complete your trip

Feeling lucky

State of Washington flight routes

Flights from Seattle/Tacoma Intl to Eugene

Flights from Seattle/Tacoma Intl to San Jose

Flights from Seattle/Tacoma Intl to Sacramento Intl

Flights from Seattle/Tacoma Intl to Oakland

Flights from Seattle/Tacoma Intl to San Diego

Flights from Seattle/Tacoma Intl to San Francisco

Cheap flights from Washington to Basel from $375

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 12/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Washington to Basel

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

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

KLM flights from State of Washington to Basel EuroAirport Swiss

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

momondo Fare Finder

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

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

Best Price Found

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

Cabin classes currently available on flights to Basel

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

Complete your trip to Basel

Explore popular destinations other users love

According to popular flight searches on momondo this year