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Cheap flights from Washington to Basel from $382

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 9/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
11:05 am - 12:25 pm
PDX
-
BSL
16h 20m
2 stops
United Airlines Logo
6:05 am - 9:31 am
BSL
-
PDX
36h 26m
2 stops
$990United Airlines
Fri, Jul 31 - Tue, Aug 11
Air France Logo
1:45 pm - 9:45 am
SEA
-
BSL
35h 00m
1 stop
Air France Logo
6:30 am - 11:37 am
BSL
-
SEA
14h 07m
1 stop
$1,000Air France
Fri, Jul 31 - Tue, Aug 11
Multiple Airlines Logo
11:54 am - 10:50 pm
PDX
-
BSL
25h 56m
2 stops
Multiple Airlines Logo
8:15 am - 9:42 pm
BSL
-
PDX
22h 27m
2 stops
$1,002Multiple Airlines
Fri, Jul 31 - Tue, Aug 11
Delta Logo
7:00 am - 9:55 am
PDX
-
BSL
17h 55m
2 stops
Delta Logo
6:30 am - 11:10 am
BSL
-
PDX
13h 40m
1 stop
$1,017Delta
Fri, Jul 31 - Tue, Aug 11
United Airlines Logo
11:52 pm - 10:25 am
SEA
-
BSL
25h 33m
2 stops
United Airlines Logo
1:00 pm - 4:59 pm
BSL
-
SEA
12h 59m
1 stop
$1,017United Airlines
Fri, Jul 31 - Tue, Aug 11
Multiple Airlines Logo
8:29 am - 10:10 am
PDX
-
BSL
16h 41m
2 stops
Multiple Airlines Logo
1:00 pm - 7:42 pm
BSL
-
PDX
15h 42m
2 stops
$1,025Multiple Airlines
Sun, Sep 6 - Tue, Sep 15
British Airways Logo
7:30 pm - 10:50 pm
PDX
-
BSL
18h 20m
1 stop
British Airways Logo
8:15 am - 9:42 pm
BSL
-
PDX
22h 27m
2 stops
$1,028British Airways
Fri, Jul 31 - Tue, Aug 11
Turkish Airlines Logo
7:10 pm - 9:45 am
SEA
-
BSL
29h 35m
1 stop
Turkish Airlines Logo
7:10 pm - 5:15 pm
BSL
-
SEA
31h 05m
1 stop
$1,058Turkish Airlines
Sat, Jun 6 - Thu, Jun 18
Delta Logo
9:50 am - 1:30 pm
SEA
-
BSL
18h 40m
2 stops
Delta Logo
10:35 am - 5:27 pm
BSL
-
SEA
15h 52m
1 stop
$1,072Delta
Sun, Jul 19 - Thu, Jul 30
Turkish Airlines Logo
7:10 pm - 9:45 am
SEA
-
BSL
29h 35m
1 stop
Turkish Airlines Logo
7:10 pm - 5:15 pm
BSL
-
SEA
31h 05m
1 stop
$1,104Turkish Airlines
Wed, Jun 3 - Tue, Jun 16

United Airlines flights from State of Washington to Basel

Our best United Airlines deals on State of Washington to Basel flight tickets
United Airlines
Jul 31
PDX11:05 amPortland
16h 20m
2 stops
BSL12:25 pmBasel EuroAirport Swiss
Aug 11
BSL6:05 amBasel EuroAirport Swiss
36h 26m
2 stops
PDX9:31 amPortland
$990
United Airlines
Jul 31
SEA11:52 pmSeattle/Tacoma Intl
25h 33m
2 stops
BSL10:25 amBasel EuroAirport Swiss
Aug 11
BSL1:00 pmBasel EuroAirport Swiss
12h 59m
1 stop
SEA4:59 pmSeattle/Tacoma Intl
$1,017
United Airlines
Jul 31
PDX11:05 amPortland
16h 20m
2 stops
BSL12:25 pmBasel EuroAirport Swiss
Aug 11
BSL8:15 amBasel EuroAirport Swiss
19h 51m
2 stops
PDX7:06 pmPortland
$1,041

Delta flights from State of Washington to Basel

Our best Delta deals on State of Washington to Basel flight tickets
Delta
Jul 31
PDX7:00 amPortland
17h 55m
2 stops
BSL9:55 amBasel EuroAirport Swiss
Aug 11
BSL6:30 amBasel EuroAirport Swiss
13h 40m
1 stop
PDX11:10 amPortland
$1,017
Delta
Jul 19
SEA9:50 amSeattle/Tacoma Intl
18h 40m
2 stops
BSL1:30 pmBasel EuroAirport Swiss
Jul 30
BSL10:35 amBasel EuroAirport Swiss
15h 52m
1 stop
SEA5:27 pmSeattle/Tacoma Intl
$1,072
Delta
Jul 19
SEA9:50 amSeattle/Tacoma Intl
18h 40m
2 stops
BSL1:30 pmBasel EuroAirport Swiss
Jul 30
BSL10:35 amBasel EuroAirport Swiss
21h 51m
2 stops
SEA11:26 pmSeattle/Tacoma Intl
$1,082

momondo Fare Finder

 
Customize your flight search to find flights from State of Washington to Basel that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated March 22, 2026.
Use the filters below to find and compare flights from Washington to Basel that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandBasel

PDX - BSL

PDXBSL

Portland

Fri 7/31

11:05 am-12:25 pm

2 stops16h 20m

Basel EuroAirport Swiss

Tue 8/11

6:05 am-9:31 am

2 stops36h 26m

$990

SeattleBasel

SEA - BSL

SEABSL

Seattle/Tacoma Intl

Fri 7/31

1:45 pm-9:45 am

1 stop35h 00m

Basel EuroAirport Swiss

Tue 8/11

6:30 am-11:37 am

1 stop14h 07m

$1,000

PortlandBasel

PDX - BSL

PDXBSL

Portland

Fri 7/31

11:54 am-10:50 pm

2 stops25h 56m

Basel EuroAirport Swiss

Tue 8/11

8:15 am-9:42 pm

2 stops22h 27m

$1,002
Quickest round-trip

PortlandBasel

PDX - BSL

PDXBSL

Portland

Fri 7/31

7:00 am-9:55 am

2 stops17h 55m

Basel EuroAirport Swiss

Tue 8/11

6:30 am-11:10 am

1 stop13h 40m

$1,017

SeattleBasel

SEA - BSL

SEABSL

Seattle/Tacoma Intl

Fri 7/31

11:52 pm-10:25 am

2 stops25h 33m

Basel EuroAirport Swiss

Tue 8/11

1:00 pm-4:59 pm

1 stop12h 59m

$1,017

PortlandBasel

PDX - BSL

PDXBSL

Portland

Sun 9/6

8:29 am-10:10 am

2 stops16h 41m

Basel EuroAirport Swiss

Tue 9/15

1:00 pm-7:42 pm

2 stops15h 42m

$1,025

PortlandBasel

PDX - BSL

PDXBSL

Portland

Fri 7/31

7:30 pm-10:50 pm

1 stop18h 20m

Basel EuroAirport Swiss

Tue 8/11

8:15 am-9:42 pm

2 stops22h 27m

$1,028

SeattleBasel

SEA - BSL

SEABSL

Seattle/Tacoma Intl

Sat 6/6

7:10 pm-9:45 am

1 stop29h 35m

Basel EuroAirport Swiss

Thu 6/18

7:10 pm-5:15 pm

1 stop31h 05m

$1,058

SeattleBasel

SEA - BSL

SEABSL

Seattle/Tacoma Intl

Sun 7/19

9:50 am-1:30 pm

2 stops18h 40m

Basel EuroAirport Swiss

Thu 7/30

10:35 am-5:27 pm

1 stop15h 52m

$1,072

SeattleBasel

SEA - BSL

SEABSL

Seattle/Tacoma Intl

Wed 6/3

7:10 pm-9:45 am

1 stop29h 35m

Basel EuroAirport Swiss

Tue 6/16

7:10 pm-5:15 pm

1 stop31h 05m

$1,104

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from State of Washington 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

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

You could potentially save up to 3% on your flight if you consider stops on a State of Washington to Basel flight.

Cheap State of Washington to Basel flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Basel

Fastest flight time

12h 25m

Direct flights

None
The fastest flight from State of Washington to Basel takes 12h 25m
There are no direct flights from State of Washington to Basel. There are no popular flight routes from State of Washington to Basel.
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  • When did momondo last update prices for flights from Washington to Basel?

    Prices for flights from Washington to Basel are refreshed on a daily basis.

  • How many operators does momondo search for flights from Washington to Basel?

  • How old do you have to be to fly from Washington 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 Washington 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.

Best airlines flying from State of Washington to Basel

Compare and see reviews for airlines that fly from State of Washington to Basel with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $467Free CancellationRating
6.7
7,807 reviews
Search British Airways flights
LufthansaPriceFrom $483Free CancellationRating
6.8
7,860 reviews
Search Lufthansa flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Basel from Washington.

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

Yes. momondo enables you to select and highlight flights to Basel from Washington with this policy.

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

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

Of course. momondo tracks the price of Washington to Basel 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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