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Cheap flights from Seattle to Basel from $332

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
8:05 pm - 5:15 pmSEA  Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss
36h 10m1 stop Istanbul
Turkish Airlines Logo
10:45 am - 5:10 pmBSL  Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl
39h 25m1 stop Istanbul
$707Turkish Airlines
Fri, Nov 6 - Thu, Nov 19
Turkish Airlines Logo
8:05 pm - 9:50 amSEA  Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss
28h 45m1 stop Istanbul
Turkish Airlines Logo
10:45 am - 5:10 pmBSL  Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl
39h 25m1 stop Istanbul
$709Turkish Airlines
Fri, Nov 6 - Thu, Nov 19
Turkish Airlines Logo
7:05 pm - 5:30 pmSEA  Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss
37h 25m1 stop Istanbul
Turkish Airlines Logo
6:25 pm - 5:10 pmBSL  Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl
31h 45m1 stop Istanbul
$721Turkish Airlines
Wed, Dec 2 - Wed, Dec 9
British Airways Logo
6:45 pm - 6:45 pmSEA  Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss
15h 00m1 stop London Heathrow
British Airways Logo
11:05 am - 4:50 pmBSL  Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl
14h 45m1 stop London Heathrow
$722British Airways
Mon, Feb 1 - Fri, Feb 5
Turkish Airlines Logo
7:05 pm - 5:30 pmSEA  Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss
37h 25m1 stop Istanbul
Turkish Airlines Logo
6:25 pm - 5:10 pmBSL  Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl
31h 45m1 stop Istanbul
$734Turkish Airlines
Wed, Dec 2 - Wed, Dec 9
Air France Logo
7:38 am - 10:00 amSEA  Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss
17h 22m2 stops Boston Logan Intl Paris Charles de Gaulle
Air France Logo
6:00 am - 11:50 amBSL  Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl
14h 50m1 stop Amsterdam Schiphol
$774Air France
Wed, Dec 2 - Wed, Dec 9
Delta Logo
7:38 am - 1:55 pmSEA  Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss
21h 17m2 stops Boston Logan Intl Paris Charles de Gaulle
Delta Logo
6:00 am - 11:50 amBSL  Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl
14h 50m1 stop Amsterdam Schiphol
$777Delta
Wed, Dec 2 - Wed, Dec 9
Turkish Airlines Logo
7:05 pm - 9:50 amSEA  Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss
29h 45m1 stop Istanbul
Turkish Airlines Logo
10:45 am - 5:10 pmBSL  Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl
39h 25m1 stop Istanbul
$777Turkish Airlines
Sun, Nov 15 - Thu, Nov 19
Air France Logo
11:00 am - 1:55 pmSEA  Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss
17h 55m2 stops San Francisco Paris Charles de Gaulle
Air France Logo
10:10 am - 8:42 pmBSL  Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl
19h 32m2 stops Amsterdam Schiphol Chicago O'Hare Intl
$780Air France
Wed, Dec 2 - Wed, Dec 9
United Airlines Logo
2:50 pm - 4:05 pmSEA  Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss
16h 15m1 stop Munich Franz Josef Strauss
United Airlines Logo
2:40 pm - 11:44 pmBSL  Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl
18h 04m2 stops Frankfurt am Main San Francisco
$784United Airlines
Wed, Dec 2 - Wed, Dec 9

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United Airlines flights from Seattle to Basel

Our best United Airlines deals on Seattle to Basel flight tickets
United Airlines
Dec 2
SEA2:50 pmSeattle/Tacoma Intl
16h 15m
1 stop
BSL4:05 pmBasel EuroAirport Swiss
Dec 9
BSL2:40 pmBasel EuroAirport Swiss
18h 04m
2 stops
SEA11:44 pmSeattle/Tacoma Intl
$784
United Airlines
Dec 2
SEA12:25 pmSeattle/Tacoma Intl
18h 40m
2 stops
BSL4:05 pmBasel EuroAirport Swiss
Dec 9
BSL8:00 pmBasel EuroAirport Swiss
50h 22m
3 stops
SEA1:22 pmSeattle/Tacoma Intl
$799
United Airlines
Feb 1
SEA6:15 amSeattle/Tacoma Intl
22h 45m
2 stops
BSL2:00 pmBasel EuroAirport Swiss
Feb 5
BSL2:40 pmBasel EuroAirport Swiss
30h 20m
1 stop
SEA12:00 pmSeattle/Tacoma Intl
$812

Delta flights from Seattle to Basel

Our best Delta deals on Seattle to Basel flight tickets
Delta
Dec 2
SEA9:18 amSeattle/Tacoma Intl
19h 37m
2 stops
BSL1:55 pmBasel EuroAirport Swiss
Dec 9
BSL10:10 amBasel EuroAirport Swiss
19h 32m
2 stops
SEA8:42 pmSeattle/Tacoma Intl
$787
Delta
Dec 21
SEA7:15 amSeattle/Tacoma Intl
21h 40m
2 stops
BSL1:55 pmBasel EuroAirport Swiss
Dec 31
BSL6:00 amBasel EuroAirport Swiss
35h 54m
2 stops
SEA8:54 amSeattle/Tacoma Intl
$1,332
Delta
Dec 21
SEA7:15 amSeattle/Tacoma Intl
21h 40m
2 stops
BSL1:55 pmBasel EuroAirport Swiss
Jan 5
BSL6:00 amBasel EuroAirport Swiss
37h 35m
2 stops
SEA10:35 amSeattle/Tacoma Intl
$1,333

momondo Fare Finder

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

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Depart

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Price

Cheapest round-trip

SeattleBasel

SEA Seattle/Tacoma Intl - BSL Basel EuroAirport Swiss

SEABSL

Seattle/Tacoma Intl

Fri 11/6

8:05 pm-5:15 pm

1 stop36h 10m

Basel EuroAirport Swiss

Thu 11/19

10:45 am-5:10 pm

1 stop39h 25m

$707

SeattleBasel

SEA Seattle/Tacoma Intl - BSL Basel EuroAirport Swiss

SEABSL

Seattle/Tacoma Intl

Fri 11/6

8:05 pm-9:50 am

1 stop28h 45m

Basel EuroAirport Swiss

Thu 11/19

10:45 am-5:10 pm

1 stop39h 25m

$709

SeattleBasel

SEA Seattle/Tacoma Intl - BSL Basel EuroAirport Swiss

SEABSL

Seattle/Tacoma Intl

Wed 12/2

7:05 pm-5:30 pm

1 stop37h 25m

Basel EuroAirport Swiss

Wed 12/9

6:25 pm-5:10 pm

1 stop31h 45m

$721
Quickest round-trip

SeattleBasel

SEA Seattle/Tacoma Intl - BSL Basel EuroAirport Swiss

SEABSL

Seattle/Tacoma Intl

Mon 2/1

6:45 pm-6:45 pm

1 stop15h 00m

Basel EuroAirport Swiss

Fri 2/5

11:05 am-4:50 pm

1 stop14h 45m

$722

SeattleBasel

SEA Seattle/Tacoma Intl - BSL Basel EuroAirport Swiss

SEABSL

Seattle/Tacoma Intl

Wed 12/2

7:05 pm-5:30 pm

1 stop37h 25m

Basel EuroAirport Swiss

Wed 12/9

6:25 pm-5:10 pm

1 stop31h 45m

$734

SeattleBasel

SEA Seattle/Tacoma Intl - BSL Basel EuroAirport Swiss

SEABSL

Seattle/Tacoma Intl

Wed 12/2

7:38 am-10:00 am

2 stops17h 22m

Basel EuroAirport Swiss

Wed 12/9

6:00 am-11:50 am

1 stop14h 50m

$774

SeattleBasel

SEA Seattle/Tacoma Intl - BSL Basel EuroAirport Swiss

SEABSL

Seattle/Tacoma Intl

Wed 12/2

7:38 am-1:55 pm

2 stops21h 17m

Basel EuroAirport Swiss

Wed 12/9

6:00 am-11:50 am

1 stop14h 50m

$777

SeattleBasel

SEA Seattle/Tacoma Intl - BSL Basel EuroAirport Swiss

SEABSL

Seattle/Tacoma Intl

Sun 11/15

7:05 pm-9:50 am

1 stop29h 45m

Basel EuroAirport Swiss

Thu 11/19

10:45 am-5:10 pm

1 stop39h 25m

$777

SeattleBasel

SEA Seattle/Tacoma Intl - BSL Basel EuroAirport Swiss

SEABSL

Seattle/Tacoma Intl

Wed 12/2

11:00 am-1:55 pm

2 stops17h 55m

Basel EuroAirport Swiss

Wed 12/9

10:10 am-8:42 pm

2 stops19h 32m

$780

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

Wed 12/9

2:40 pm-11:44 pm

2 stops18h 04m

$784

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

$332

Fastest flight time

13h 10m

Direct flights

None
The best one-way flight to Basel from Seattle in the past 72 hours is $332. The best round-trip flight deal from Seattle to Basel found on momondo in the last 72 hours is $707.
The fastest flight from Seattle to Basel takes 13h 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 13h 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.

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