Latest deals
Insights
FAQs
Price Alerts

Cheap flights from Washington to Basel from $277

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 10/20. 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

Find the cheapest flights from Washington to Basel

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
2:50 pm - 4:05 pmSEA  Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss
16h 15m1 stop Munich Franz Josef Strauss
Multiple Airlines Logo
9:30 am - 9:57 pmBSL  Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl
21h 27m2 stops Munich Franz Josef Strauss Vancouver Intl
$710Multiple Airlines
Wed, Dec 2 - Thu, Dec 10
Lufthansa Logo
2:50 pm - 4:05 pmSEA  Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss
16h 15m1 stop Munich Franz Josef Strauss
Lufthansa Logo
1:00 pm - 10:29 pmBSL  Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl
18h 29m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl
$720Lufthansa
Wed, Dec 2 - Fri, Dec 11
Lufthansa Logo
2:50 pm - 4:05 pmSEA  Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss
16h 15m1 stop Munich Franz Josef Strauss
Lufthansa Logo
4:45 pm - 1:00 pmBSL  Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl
29h 15m1 stop Munich Franz Josef Strauss
$720Lufthansa
Wed, Dec 2 - Thu, Dec 10
Multiple Airlines Logo
7:45 am - 4:05 pmSEA  Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss
23h 20m2 stops Toronto Pearson Intl Munich Franz Josef Strauss
Multiple Airlines Logo
1:00 pm - 10:29 pmBSL  Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl
18h 29m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl
$727Multiple Airlines
Wed, Dec 2 - Fri, Dec 11
Turkish Airlines Logo
7:15 pm - 6:20 pmSEA  Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss
38h 05m1 stop Istanbul
Turkish Airlines Logo
6:10 pm - 6:10 pmBSL  Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl
32h 00m1 stop Istanbul
$731Turkish Airlines
Wed, Oct 21 - Wed, Oct 28
Multiple Airlines Logo
8:00 am - 7:25 pmSEA  Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss
26h 25m2 stops Washington, D.C. Dulles Intl Vienna Intl
Multiple Airlines Logo
9:30 am - 6:22 pmBSL  Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl
17h 52m2 stops Munich Franz Josef Strauss Vancouver Intl
$733Multiple Airlines
Wed, Dec 2 - Thu, Dec 10
British Airways Logo
5:45 pm - 7:25 pmPDX  Portland-BSL Basel EuroAirport Swiss
16h 40m1 stop London Heathrow
British Airways Logo
11:10 am - 3:50 pmBSL  Basel EuroAirport Swiss-PDX Portland
13h 40m1 stop London Heathrow
$746British Airways
Sun, Nov 15 - Wed, Nov 18
British Airways Logo
6:45 pm - 7:25 pmSEA  Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss
15h 40m1 stop London Heathrow
British Airways Logo
3:40 pm - 4:50 pmBSL  Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl
34h 10m1 stop London Heathrow
$752British Airways
Sun, Jan 31 - Thu, Feb 4
United Airlines Logo
10:47 am - 12:20 pmPDX  Portland-BSL Basel EuroAirport Swiss
16h 33m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss
United Airlines Logo
6:40 am - 7:12 pmBSL  Basel EuroAirport Swiss-PDX Portland
21h 32m2 stops Frankfurt am Main Chicago O'Hare Intl
$755United Airlines
Sun, Nov 15 - Wed, Nov 18
British Airways Logo
6:45 pm - 7:50 pmSEA  Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss
16h 05m1 stop London Heathrow
British Airways Logo
7:50 pm - 11:25 amBSL  Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl
24h 35m1 stop London Heathrow
$761British Airways
Wed, Dec 2 - Fri, Dec 11

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

Lufthansa flights from State of Washington to Basel EuroAirport Swiss

Our best Lufthansa deals on State of Washington to Basel EuroAirport Swiss flight tickets
Lufthansa
Dec 2
SEA2:50 pmSeattle/Tacoma Intl
16h 15m
1 stop
BSL4:05 pmBasel EuroAirport Swiss
Dec 11
BSL1:00 pmBasel EuroAirport Swiss
18h 29m
2 stops
SEA10:29 pmSeattle/Tacoma Intl
$720
Lufthansa
Oct 21
SEA7:00 amSeattle/Tacoma Intl
17h 15m
2 stops
BSL9:15 amBasel EuroAirport Swiss
Oct 28
BSL6:40 amBasel EuroAirport Swiss
14h 20m
1 stop
SEA1:00 pmSeattle/Tacoma Intl
$780
Lufthansa
Sep 8
SEA6:50 pmSeattle/Tacoma Intl
15h 45m
1 stop
BSL7:35 pmBasel EuroAirport Swiss
Sep 14
BSL8:15 pmBasel EuroAirport Swiss
29h 44m
1 stop
SEA4:59 pmSeattle/Tacoma Intl
$828

British Airways flights from State of Washington to Basel EuroAirport Swiss

Our best British Airways deals on State of Washington to Basel EuroAirport Swiss flight tickets
British Airways
Nov 15
PDX5:45 pmPortland
16h 40m
1 stop
BSL7:25 pmBasel EuroAirport Swiss
Nov 18
BSL11:10 amBasel EuroAirport Swiss
13h 40m
1 stop
PDX3:50 pmPortland
$746
British Airways
Jan 31
SEA6:45 pmSeattle/Tacoma Intl
15h 40m
1 stop
BSL7:25 pmBasel EuroAirport Swiss
Feb 4
BSL3:40 pmBasel EuroAirport Swiss
34h 10m
1 stop
SEA4:50 pmSeattle/Tacoma Intl
$752
British Airways
Dec 2
SEA6:45 pmSeattle/Tacoma Intl
16h 05m
1 stop
BSL7:50 pmBasel EuroAirport Swiss
Dec 11
BSL7:50 pmBasel EuroAirport Swiss
24h 35m
1 stop
SEA11:25 amSeattle/Tacoma Intl
$761

momondo Fare Finder

 
Customize your flight search to find flights from State of Washington to Basel EuroAirport Swiss 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 August 12, 2026.
Use the filters below to find and compare flights from Washington to Basel EuroAirport Swiss 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

2:50 pm-4:05 pm

1 stop16h 15m

Basel EuroAirport Swiss

Thu 12/10

9:30 am-9:57 pm

2 stops21h 27m

$710

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

1:00 pm-10:29 pm

2 stops18h 29m

$720

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

Thu 12/10

4:45 pm-1:00 pm

1 stop29h 15m

$720

SeattleBasel

SEA Seattle/Tacoma Intl - BSL Basel EuroAirport Swiss

SEABSL

Seattle/Tacoma Intl

Wed 12/2

7:45 am-4:05 pm

2 stops23h 20m

Basel EuroAirport Swiss

Fri 12/11

1:00 pm-10:29 pm

2 stops18h 29m

$727

SeattleBasel

SEA Seattle/Tacoma Intl - BSL Basel EuroAirport Swiss

SEABSL

Seattle/Tacoma Intl

Wed 10/21

7:15 pm-6:20 pm

1 stop38h 05m

Basel EuroAirport Swiss

Wed 10/28

6:10 pm-6:10 pm

1 stop32h 00m

$731

SeattleBasel

SEA Seattle/Tacoma Intl - BSL Basel EuroAirport Swiss

SEABSL

Seattle/Tacoma Intl

Wed 12/2

8:00 am-7:25 pm

2 stops26h 25m

Basel EuroAirport Swiss

Thu 12/10

9:30 am-6:22 pm

2 stops17h 52m

$733
Quickest round-trip

PortlandBasel

PDX Portland - BSL Basel EuroAirport Swiss

PDXBSL

Portland

Sun 11/15

5:45 pm-7:25 pm

1 stop16h 40m

Basel EuroAirport Swiss

Wed 11/18

11:10 am-3:50 pm

1 stop13h 40m

$746

SeattleBasel

SEA Seattle/Tacoma Intl - BSL Basel EuroAirport Swiss

SEABSL

Seattle/Tacoma Intl

Sun 1/31

6:45 pm-7:25 pm

1 stop15h 40m

Basel EuroAirport Swiss

Thu 2/4

3:40 pm-4:50 pm

1 stop34h 10m

$752

PortlandBasel

PDX Portland - BSL Basel EuroAirport Swiss

PDXBSL

Portland

Sun 11/15

10:47 am-12:20 pm

2 stops16h 33m

Basel EuroAirport Swiss

Wed 11/18

6:40 am-7:12 pm

2 stops21h 32m

$755

SeattleBasel

SEA Seattle/Tacoma Intl - BSL Basel EuroAirport Swiss

SEABSL

Seattle/Tacoma Intl

Wed 12/2

6:45 pm-7:50 pm

1 stop16h 05m

Basel EuroAirport Swiss

Fri 12/11

7:50 pm-11:25 am

1 stop24h 35m

$761

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 State of Washington 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

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

You could potentially save up to 45% on your flight if you consider stops on a State of Washington to Basel EuroAirport Swiss flight.

Cheap State of Washington to Basel EuroAirport Swiss flight deals and tips

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

Fastest flight time

14h 30m

Direct flights

None
The fastest flight from State of Washington to Basel EuroAirport Swiss takes 14h 30m
There are no direct flights from State of Washington to Basel EuroAirport Swiss. There are no popular flight routes from State of Washington to Basel EuroAirport Swiss.
Search flight deals

Frequently asked questions about flying from Washington to Basel EuroAirport Swiss

  • When did momondo last update prices for flights from Washington to Basel EuroAirport Swiss?

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

  • How old do you have to be to fly from Washington to Basel EuroAirport Swiss?

    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 Washington to Basel EuroAirport Swiss.

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

    The travel and health documents you'll need for your trip to Basel EuroAirport Swiss may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Basel EuroAirport Swiss. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington to Basel. momondo saves you time and could save you money on your trip.

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

Flights from Washington 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 Washington to Basel?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Basel from Washington.

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

Yes momondo offers price alerts on flights to Basel from Washington. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Basel EuroAirport Swiss 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
Fri 9/11
Fri 9/18
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Basel