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Cheap flights from Basel to Seattle from $421

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Basel to Seattle departing on 4/29. 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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0 bags
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Find the cheapest flights from Basel to Seattle

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Basel to Seattle.
6:10 am - 6:20 pmBSL-SEA
21h 10m1 stop
1:30 pm - 10:50 pmSEA-BSL
24h 20m1 stop
Thu, Apr 10 - Mon, Apr 14
6:10 am - 6:20 pmBSL-SEA
21h 10m1 stop
8:20 pm - 10:50 pmSEA-BSL
17h 30m1 stop
$501American Airlines
Find Deal
Thu, Apr 10 - Tue, Apr 22
6:10 am - 6:20 pmBSL-SEA
21h 10m1 stop
1:30 pm - 10:50 pmSEA-BSL
24h 20m1 stop
$503British Airways
Find Deal
Thu, Apr 10 - Tue, Apr 22
6:10 am - 11:09 pmBSL-SEA
25h 59m2 stops
1:35 pm - 10:50 pmSEA-BSL
24h 15m2 stops
$507American Airlines
Find Deal
Thu, Apr 10 - Tue, Apr 22
6:15 am - 4:00 pmBSL-SEA
18h 45m1 stop
6:05 am - 9:35 amSEA-BSL
18h 30m2 stops
$516Delta
Find Deal
Thu, Apr 10 - Tue, Apr 22
6:15 am - 4:57 pmBSL-SEA
19h 42m2 stops
9:55 am - 1:10 pmSEA-BSL
18h 15m2 stops
$517Delta
Find Deal
Thu, Apr 10 - Mon, Apr 14
6:15 am - 4:57 pmBSL-SEA
19h 42m2 stops
6:05 am - 9:35 amSEA-BSL
18h 30m2 stops
$522Delta
Find Deal
Thu, Apr 10 - Tue, Apr 22
6:15 am - 11:40 amBSL-SEA
14h 25m1 stop
5:35 pm - 9:35 amSEA-BSL
31h 00m1 stop
$525KLM
Find Deal
Sat, May 31 - Sat, Jun 7
7:45 pm - 11:35 amBSL-SEA
24h 50m1 stop
1:30 pm - 11:20 amSEA-BSL
12h 50m1 stop
$534British Airways
Find Deal
Thu, May 29 - Sun, Jun 8
6:25 pm - 11:40 amBSL-SEA
26h 15m1 stop
6:07 pm - 9:35 amSEA-BSL
30h 28m1 stop
$541KLM
Find Deal
Sat, May 17 - Sat, May 31

Air France flights from Basel to Seattle

Our best Air France deals on Basel to Seattle flight tickets
Air France
May 14
BSL6:15 amBasel EuroAirport Swiss
14h 25m
1 stop
SEA11:40 amSeattle/Tacoma Intl
May 21
SEA2:10 pmSeattle/Tacoma Intl
22h 30m
1 stop
BSL9:40 pmBasel EuroAirport Swiss
Air France
May 29
BSL1:50 pmBasel EuroAirport Swiss
17h 33m
2 stops
SEA10:23 pmSeattle/Tacoma Intl
Jun 7
SEA5:35 pmSeattle/Tacoma Intl
19h 05m
1 stop
BSL9:40 pmBasel EuroAirport Swiss
Air France
May 29
BSL1:50 pmBasel EuroAirport Swiss
17h 33m
2 stops
SEA10:23 pmSeattle/Tacoma Intl
Jun 7
SEA2:10 pmSeattle/Tacoma Intl
15h 00m
2 stops
BSL2:10 pmBasel EuroAirport Swiss

United Airlines flights from Basel to Seattle

Our best United Airlines deals on Basel to Seattle flight tickets
United Airlines
May 14
BSL9:45 amBasel EuroAirport Swiss
37h 15m
3 stops
SEA2:00 pmSeattle/Tacoma Intl
May 21
SEA6:50 pmSeattle/Tacoma Intl
15h 45m
1 stop
BSL7:35 pmBasel EuroAirport Swiss
United Airlines
Apr 10
BSL11:30 amBasel EuroAirport Swiss
37h 28m
2 stops
SEA3:58 pmSeattle/Tacoma Intl
Apr 22
SEA7:08 amSeattle/Tacoma Intl
20h 17m
3 stops
BSL12:25 pmBasel EuroAirport Swiss
United Airlines
Aug 6
BSL11:25 amBasel EuroAirport Swiss
45h 34m
2 stops
SEA11:59 pmSeattle/Tacoma Intl
Aug 20
SEA7:34 pmSeattle/Tacoma Intl
52h 36m
3 stops
BSL9:10 amBasel EuroAirport Swiss

See travel insights to Seattle from

How to get the cheapest flight ticket from Basel to Seattle

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 typical price of a round-trip flight between Basel and Seattle?

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Basel is on a Thursday. momondo users have found tickets for Thursday departures for as low as $547. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Monday is the most expensive day to depart from Basel because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,021.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from Basel in the morning is the least expensive time of day to depart. momondo users have found prices as low as $861 when looking at flights departing in the morning. Flights to Seattle are more costly in the morning, with an average ticket price of $861. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Basel to Seattle

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

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

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

Best Price Found

$421

Fastest flight time

12h 40m

Direct flights

None

Airports in Seattle

1 airport
The best one-way flight to Seattle from Basel in the past 72 hours is $421. The best round-trip flight deal from Basel to Seattle found on momondo in the last 72 hours is $492.
The fastest flight from Basel to Seattle takes 12h 40m
There are no direct flights from Basel to Seattle. Popular non-direct route for this connection is Basel EuroAirport Swiss - Seattle/Tacoma Intl Airport.
There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)

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

    A flight from Basel to Seattle/Tacoma Intl will travel around 5202.0 mi. A reasonable flight in good conditions will take 14h 00m.

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

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

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

    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 Basel to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.


Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Leavenworth
Tacoma
SeaTac
Ocean Shores
Olympia
Kent
Renton
Federal Way
Tukwila
Puyallup
Kirkland
Lakewood
Lynnwood
Fife
Shoreline
Marysville
Centralia
Redmond
Cle Elum
Lacey

Why use momondo?

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

Finding the right flight to Seattle from Basel 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 Seattle quick and easy, saving you time and money.

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

momondo does allow users to show only those flights to Seattle from Basel which offer a flexible booking policy as well as other useful filters and features.

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

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

Of course. momondo tracks the price of Basel to Seattle flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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