Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Seattle to Basel from $261

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Seattle to Basel

Cheap round-trip flights

Enter your travel dates to find the best prices.
Turkish Airlines Logo
7:05 pm - 5:15 pmSEA  Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss
37h 10m1 stop Istanbul
Turkish Airlines Logo
6:10 pm - 5:10 pmBSL  Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl
32h 00m1 stop Istanbul
$731Turkish Airlines
Wed, Dec 2 - Fri, Dec 11
British Airways Logo
1:30 pm - 3:15 pmSEA  Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss
16h 45m1 stop London Heathrow
British Airways Logo
8:50 pm - 11:25 amBSL  Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl
23h 35m1 stop London Heathrow
$737British Airways
Tue, Dec 1 - Wed, Dec 9
Multiple Airlines Logo
10:10 am - 12:20 pmSEA  Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss
17h 10m2 stops Vancouver Intl Munich Franz Josef Strauss
Multiple Airlines Logo
2:40 pm - 12:00 pmBSL  Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl
30h 20m1 stop Frankfurt am Main
$744Multiple Airlines
Tue, Dec 1 - Wed, Dec 9
Multiple Airlines Logo
10:10 am - 7:30 pmSEA  Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss
24h 20m2 stops Vancouver Intl Munich Franz Josef Strauss
Multiple Airlines Logo
2:40 pm - 8:59 pmBSL  Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl
39h 19m2 stops Frankfurt am Main Toronto Pearson Intl
$750Multiple Airlines
Tue, Dec 1 - Wed, Dec 9
Lufthansa Logo
2:50 pm - 4:05 pmSEA  Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss
16h 15m1 stop Munich Franz Josef Strauss
Lufthansa Logo
2:40 pm - 10:33 pmBSL  Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl
40h 53m2 stops Frankfurt am Main Chicago O'Hare Intl
$751Lufthansa
Wed, Dec 2 - Fri, Dec 11
United Airlines Logo
11:43 pm - 4:05 pmSEA  Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss
31h 22m2 stops Newark Munich Franz Josef Strauss
United Airlines Logo
2:40 pm - 1:22 pmBSL  Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl
31h 42m3 stops Frankfurt am Main Toronto Pearson Intl Houston George Bush Intcntl
$755United Airlines
Tue, Dec 1 - Wed, Dec 9
United Airlines Logo
6:50 am - 8:50 amSEA  Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss
17h 00m2 stops Newark Munich Franz Josef Strauss
United Airlines Logo
1:00 pm - 9:54 amBSL  Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl
29h 54m2 stops Munich Franz Josef Strauss San Francisco
$759United Airlines
Wed, Dec 2 - Fri, Dec 11
Turkish Airlines Logo
7:15 pm - 9:45 amSEA  Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss
29h 30m1 stop Istanbul
Turkish Airlines Logo
7:15 pm - 5:20 pmBSL  Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl
31h 05m1 stop Istanbul
$775Turkish Airlines
Wed, Oct 14 - Wed, Oct 21
Multiple Airlines Logo
10:10 am - 12:20 pmSEA  Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss
17h 10m2 stops Vancouver Intl Munich Franz Josef Strauss
Multiple Airlines Logo
6:40 am - 12:00 pmBSL  Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl
14h 20m1 stop Frankfurt am Main
$779Multiple Airlines
Tue, Dec 1 - Sat, Dec 5
Delta Logo
4:05 pm - 1:55 pmSEA  Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss
12h 50m1 stop Paris Charles de Gaulle
Delta Logo
6:00 am - 11:50 amBSL  Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl
14h 50m1 stop Amsterdam Schiphol
$795Delta
Tue, Dec 1 - Sat, Dec 5

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

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

Trusted and free

Trusted and free

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

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Turkish Airlines flights from Seattle to Basel

Our best Turkish Airlines deals on Seattle to Basel flight tickets
Turkish Airlines
Dec 2
SEA7:05 pmSeattle/Tacoma Intl
37h 10m
1 stop
BSL5:15 pmBasel EuroAirport Swiss
Dec 11
BSL6:10 pmBasel EuroAirport Swiss
32h 00m
1 stop
SEA5:10 pmSeattle/Tacoma Intl
$731
Turkish Airlines
Oct 14
SEA7:15 pmSeattle/Tacoma Intl
29h 30m
1 stop
BSL9:45 amBasel EuroAirport Swiss
Oct 21
BSL7:15 pmBasel EuroAirport Swiss
31h 05m
1 stop
SEA5:20 pmSeattle/Tacoma Intl
$775
Turkish Airlines
Nov 15
SEA7:05 pmSeattle/Tacoma Intl
29h 45m
1 stop
BSL9:50 amBasel EuroAirport Swiss
Nov 19
BSL10:45 amBasel EuroAirport Swiss
39h 25m
1 stop
SEA5:10 pmSeattle/Tacoma Intl
$1,058

British Airways flights from Seattle to Basel

Our best British Airways deals on Seattle to Basel flight tickets
British Airways
Dec 1
SEA1:30 pmSeattle/Tacoma Intl
16h 45m
1 stop
BSL3:15 pmBasel EuroAirport Swiss
Dec 9
BSL8:50 pmBasel EuroAirport Swiss
23h 35m
1 stop
SEA11:25 amSeattle/Tacoma Intl
$737
British Airways
Dec 1
SEA12:38 pmSeattle/Tacoma Intl
22h 22m
2 stops
BSL8:00 pmBasel EuroAirport Swiss
Dec 5
BSL8:30 pmBasel EuroAirport Swiss
32h 50m
2 stops
SEA8:20 pmSeattle/Tacoma Intl
$799
British Airways
Dec 15
SEA1:30 pmSeattle/Tacoma Intl
21h 30m
1 stop
BSL8:00 pmBasel EuroAirport Swiss
Dec 22
BSL7:30 pmBasel EuroAirport Swiss
30h 20m
1 stop
SEA4:50 pmSeattle/Tacoma Intl
$893

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleBasel

SEA Seattle/Tacoma Intl - BSL Basel EuroAirport Swiss

SEABSL

Seattle/Tacoma Intl

Wed 12/2

7:05 pm-5:15 pm

1 stop37h 10m

Basel EuroAirport Swiss

Fri 12/11

6:10 pm-5:10 pm

1 stop32h 00m

$731

SeattleBasel

SEA Seattle/Tacoma Intl - BSL Basel EuroAirport Swiss

SEABSL

Seattle/Tacoma Intl

Tue 12/1

1:30 pm-3:15 pm

1 stop16h 45m

Basel EuroAirport Swiss

Wed 12/9

8:50 pm-11:25 am

1 stop23h 35m

$737

SeattleBasel

SEA Seattle/Tacoma Intl - BSL Basel EuroAirport Swiss

SEABSL

Seattle/Tacoma Intl

Tue 12/1

10:10 am-12:20 pm

2 stops17h 10m

Basel EuroAirport Swiss

Wed 12/9

2:40 pm-12:00 pm

1 stop30h 20m

$744

SeattleBasel

SEA Seattle/Tacoma Intl - BSL Basel EuroAirport Swiss

SEABSL

Seattle/Tacoma Intl

Tue 12/1

10:10 am-7:30 pm

2 stops24h 20m

Basel EuroAirport Swiss

Wed 12/9

2:40 pm-8:59 pm

2 stops39h 19m

$750

SeattleBasel

SEA Seattle/Tacoma Intl - BSL Basel EuroAirport Swiss

SEABSL

Seattle/Tacoma Intl

Wed 12/2

2:50 pm-4:05 pm

1 stop16h 15m

Basel EuroAirport Swiss

Fri 12/11

2:40 pm-10:33 pm

2 stops40h 53m

$751

SeattleBasel

SEA Seattle/Tacoma Intl - BSL Basel EuroAirport Swiss

SEABSL

Seattle/Tacoma Intl

Tue 12/1

11:43 pm-4:05 pm

2 stops31h 22m

Basel EuroAirport Swiss

Wed 12/9

2:40 pm-1:22 pm

3 stops31h 42m

$755

SeattleBasel

SEA Seattle/Tacoma Intl - BSL Basel EuroAirport Swiss

SEABSL

Seattle/Tacoma Intl

Wed 12/2

6:50 am-8:50 am

2 stops17h 00m

Basel EuroAirport Swiss

Fri 12/11

1:00 pm-9:54 am

2 stops29h 54m

$759

SeattleBasel

SEA Seattle/Tacoma Intl - BSL Basel EuroAirport Swiss

SEABSL

Seattle/Tacoma Intl

Wed 10/14

7:15 pm-9:45 am

1 stop29h 30m

Basel EuroAirport Swiss

Wed 10/21

7:15 pm-5:20 pm

1 stop31h 05m

$775

SeattleBasel

SEA Seattle/Tacoma Intl - BSL Basel EuroAirport Swiss

SEABSL

Seattle/Tacoma Intl

Tue 12/1

10:10 am-12:20 pm

2 stops17h 10m

Basel EuroAirport Swiss

Sat 12/5

6:40 am-12:00 pm

1 stop14h 20m

$779
Quickest round-trip

SeattleBasel

SEA Seattle/Tacoma Intl - BSL Basel EuroAirport Swiss

SEABSL

Seattle/Tacoma Intl

Tue 12/1

4:05 pm-1:55 pm

1 stop12h 50m

Basel EuroAirport Swiss

Sat 12/5

6:00 am-11:50 am

1 stop14h 50m

$795

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Basel from

How to get the cheapest flight ticket from Seattle 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

What is the cheapest airline that flies from Seattle/Tacoma Intl to Basel?

British Airways is the most popular carrier operating from Seattle/Tacoma Intl to Basel

When to book flights from Seattle to Basel

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Basel according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Basel (SEA to EAP) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Basel

Best Price Found

$261

Fastest flight time

15h 10m

Direct flights

None
The best one-way flight to Basel from Seattle in the past 72 hours is $261. The best round-trip flight deal from Seattle to Basel found on momondo in the last 72 hours is $731.
The fastest flight from Seattle to Basel takes 15h 10m
There are no direct flights from Seattle to Basel. There are no popular flight routes from Seattle to Basel.
Search flight deals

Frequently asked questions about flying from Seattle to Basel

  • How far is Seattle/Tacoma Intl to Basel by plane?

    A flight from Seattle/Tacoma Intl to Basel will travel around 5202.0 mi. Typically, this will take 15h 10m by plane in normal conditions.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Basel?

    Prices for flights from Seattle/Tacoma Intl Airport to Basel are updated daily.

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport 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 Seattle/Tacoma Intl Airport 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.

  • What is the most popular airline from Seattle to Basel?

Why use momondo?

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

It is quick and easy to find Seattle to Basel flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Basel that suits you.

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

Yes. All flights to Basel from Seattle on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search for Seattle 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 Seattle to Basel right now. Can momondo alert me if prices change?

Price alerts on flights to Basel from Seattle 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.

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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 10/1
Thu 10/8
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Switzerland