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Cheap flights from Seattle to Basel from $355

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.
Multiple Airlines Logo
3:25 pm - 1:55 pmSEA  Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss
13h 30m1 stop Paris Charles de Gaulle
Multiple Airlines Logo
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
Delta Logo
10:39 am - 1:55 pmSEA  Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss
18h 16m2 stops Chicago O'Hare Intl Paris Charles de Gaulle
Delta Logo
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
KLM Logo
4:05 pm - 1:55 pmSEA  Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss
12h 50m1 stop Paris Charles de Gaulle
KLM Logo
2:00 pm - 11:57 pmBSL  Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl
18h 57m2 stops Amsterdam Schiphol Minneapolis St Paul
$736KLM
Sat, Nov 7 - Sun, Nov 15
Delta Logo
10:39 am - 1:55 pmSEA  Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss
18h 16m2 stops Chicago O'Hare Intl Paris Charles de Gaulle
Delta Logo
2:00 pm - 11:57 pmBSL  Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl
18h 57m2 stops Amsterdam Schiphol Minneapolis St Paul
$740Delta
Sat, Nov 7 - Sun, Nov 15
Delta Logo
7:45 am - 9:30 amSEA  Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss
17h 45m2 stops Chicago O'Hare Intl Amsterdam Schiphol
Delta Logo
6:00 am - 7:02 pmBSL  Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl
22h 02m2 stops Amsterdam Schiphol Salt Lake City
$752Delta
Sat, Oct 31 - Sat, Nov 7
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
$757British Airways
Mon, Feb 1 - Fri, Feb 5
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
$761British Airways
Mon, Feb 1 - Fri, Feb 5
Air Canada Logo
7:05 pm - 2:00 pmSEA  Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss
33h 55m2 stops Vancouver Intl Frankfurt am Main
Air Canada Logo
6:40 am - 6:22 pmBSL  Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl
20h 42m2 stops Frankfurt am Main Vancouver Intl
$764Air Canada
Mon, Feb 1 - Fri, Feb 5
Air Canada Logo
7:05 pm - 2:00 pmSEA  Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss
33h 55m2 stops Vancouver Intl Frankfurt am Main
Air Canada Logo
6:40 am - 6:22 pmBSL  Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl
20h 42m2 stops Frankfurt am Main Vancouver Intl
$765Air Canada
Mon, Feb 1 - Fri, Feb 5
United Airlines Logo
1:50 pm - 2:00 pmSEA  Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss
15h 10m1 stop Frankfurt am Main
United Airlines Logo
2:40 pm - 9:53 amBSL  Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl
28h 13m2 stops Frankfurt am Main San Francisco
$774United Airlines
Mon, Feb 1 - Fri, Feb 5

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British Airways flights from Seattle to Basel EuroAirport Swiss

Our best British Airways deals on Seattle to Basel EuroAirport Swiss flight tickets
British Airways
Feb 1
SEA6:45 pmSeattle/Tacoma Intl
15h 00m
1 stop
BSL6:45 pmBasel EuroAirport Swiss
Feb 5
BSL11:05 amBasel EuroAirport Swiss
14h 45m
1 stop
SEA4:50 pmSeattle/Tacoma Intl
$757
British Airways
Feb 1
SEA6:45 pmSeattle/Tacoma Intl
15h 00m
1 stop
BSL6:45 pmBasel EuroAirport Swiss
Feb 5
BSL11:05 amBasel EuroAirport Swiss
14h 45m
1 stop
SEA4:50 pmSeattle/Tacoma Intl
$761
British Airways
Oct 31
SEA2:40 pmSeattle/Tacoma Intl
16h 45m
1 stop
BSL3:25 pmBasel EuroAirport Swiss
Nov 7
BSL11:10 amBasel EuroAirport Swiss
14h 40m
1 stop
SEA4:50 pmSeattle/Tacoma Intl
$838

United Airlines flights from Seattle to Basel EuroAirport Swiss

Our best United Airlines deals on Seattle to Basel EuroAirport Swiss flight tickets
United Airlines
Feb 1
SEA1:50 pmSeattle/Tacoma Intl
15h 10m
1 stop
BSL2:00 pmBasel EuroAirport Swiss
Feb 5
BSL2:40 pmBasel EuroAirport Swiss
28h 13m
2 stops
SEA9:53 amSeattle/Tacoma Intl
$774
United Airlines
Nov 1
SEA2:50 pmSeattle/Tacoma Intl
12h 30m
1 stop
BSL12:20 pmBasel EuroAirport Swiss
Nov 8
BSL6:40 amBasel EuroAirport Swiss
14h 20m
1 stop
SEA12:00 pmSeattle/Tacoma Intl
$792
United Airlines
Nov 5
SEA9:05 amSeattle/Tacoma Intl
18h 15m
2 stops
BSL12:20 pmBasel EuroAirport Swiss
Nov 12
BSL6:45 amBasel EuroAirport Swiss
14h 15m
1 stop
SEA12:00 pmSeattle/Tacoma Intl
$795

momondo Fare Finder

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

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Route

Depart

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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

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

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

Sat 11/7

4:05 pm-1:55 pm

1 stop12h 50m

Basel EuroAirport Swiss

Sun 11/15

2:00 pm-11:57 pm

2 stops18h 57m

$736

SeattleBasel

SEA Seattle/Tacoma Intl - BSL Basel EuroAirport Swiss

SEABSL

Seattle/Tacoma Intl

Sat 11/7

10:39 am-1:55 pm

2 stops18h 16m

Basel EuroAirport Swiss

Sun 11/15

2:00 pm-11:57 pm

2 stops18h 57m

$740

SeattleBasel

SEA Seattle/Tacoma Intl - BSL Basel EuroAirport Swiss

SEABSL

Seattle/Tacoma Intl

Sat 10/31

7:45 am-9:30 am

2 stops17h 45m

Basel EuroAirport Swiss

Sat 11/7

6:00 am-7:02 pm

2 stops22h 02m

$752

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

$757

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

$761

SeattleBasel

SEA Seattle/Tacoma Intl - BSL Basel EuroAirport Swiss

SEABSL

Seattle/Tacoma Intl

Mon 2/1

7:05 pm-2:00 pm

2 stops33h 55m

Basel EuroAirport Swiss

Fri 2/5

6:40 am-6:22 pm

2 stops20h 42m

$764

SeattleBasel

SEA Seattle/Tacoma Intl - BSL Basel EuroAirport Swiss

SEABSL

Seattle/Tacoma Intl

Mon 2/1

7:05 pm-2:00 pm

2 stops33h 55m

Basel EuroAirport Swiss

Fri 2/5

6:40 am-6:22 pm

2 stops20h 42m

$765

SeattleBasel

SEA Seattle/Tacoma Intl - BSL Basel EuroAirport Swiss

SEABSL

Seattle/Tacoma Intl

Mon 2/1

1:50 pm-2:00 pm

1 stop15h 10m

Basel EuroAirport Swiss

Fri 2/5

2:40 pm-9:53 am

2 stops28h 13m

$774

Flights are sorted by cheapest round-trip flights first.

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See travel insights to Basel from

How to get the cheapest flight ticket from Seattle 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

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

Air France is the most popular carrier operating from Seattle/Tacoma Intl to Basel EuroAirport Swiss

When to book flights from Seattle to Basel EuroAirport Swiss

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

Cheap Seattle to Basel EuroAirport Swiss (SEA to BSL) flight deals and tips

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

Best Price Found

$355

Fastest flight time

13h 30m

Direct flights

None
The best one-way flight to Basel EuroAirport Swiss from Seattle in the past 72 hours is $355. The best round-trip flight deal from Seattle to Basel EuroAirport Swiss found on momondo in the last 72 hours is $675.
The fastest flight from Seattle to Basel EuroAirport Swiss takes 13h 30m
There are no direct flights from Seattle to Basel EuroAirport Swiss. There are no popular flight routes from Seattle to Basel EuroAirport Swiss.
Search flight deals

Frequently asked questions about flying from Seattle to Basel EuroAirport Swiss

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

    Seattle/Tacoma Intl and Basel EuroAirport Swiss are 5198.6 mi apart from one another. A reasonable flight in good conditions will take 13h 30m.

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

    Prices for flights from Seattle/Tacoma Intl Airport to Basel EuroAirport Swiss refresh daily.

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Basel EuroAirport Swiss?

    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 EuroAirport Swiss.

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

    The travel and health documents required for your trip to Basel EuroAirport Swiss 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 EuroAirport Swiss. 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 Seattle to Basel?

Finding the right flight to Basel from Seattle is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Basel quick and easy, saving you time and money.

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

Flights from Seattle 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 Seattle to Basel?

Once all potential Seattle to Basel flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are simply researching potential flights to Basel, momondo offers a useful price alert feature which will track prices for flights to Basel from Seattle and alert you when they change.

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