How does KAYAK find such low prices on flights from Washington to Basel?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington to Basel. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to Basel?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Basel from Washington is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Washington to Basel?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Basel with an airline and back to Washington with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington to Basel?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Basel from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$322 CHEAP FLIGHTS from Washington to Basel (BSL)

BSL

KAYAK searches hundreds of travel sites at once for deals on flights to Basel EuroAirport Swiss

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Flight Deals

Cheap Flights from Washington to Basel

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Recent round-trip flight deals from Washington to Basel

Sun, Aug 23 - Mon, Sep 7

6:50 pm - 7:40 pm

SEA

BSL

15h 50m

1 stop

6:45 pm - 11:55 am

BSL

SEA

26h 10m

1 stop

$790Lufthansa

Sun, Aug 23 - Mon, Sep 7

7:00 am - 10:10 am

SEA

BSL

18h 10m

2 stops

6:45 pm - 11:55 am

BSL

SEA

26h 10m

1 stop

$808Lufthansa

Sun, Sep 20 - Sun, Sep 27

6:50 pm - 7:40 pm

SEA

BSL

15h 50m

1 stop

8:20 am - 11:55 am

BSL

SEA

12h 35m

1 stop

$823Lufthansa

Sun, Sep 20 - Sun, Sep 27

8:00 am - 1:40 pm

SEA

BSL

20h 40m

2 stops

8:20 am - 11:55 am

BSL

SEA

12h 35m

1 stop

$825Multiple Airlines

Sun, Aug 23 - Sun, Sep 6

6:50 pm - 7:40 pm

SEA

BSL

15h 50m

1 stop

9:45 am - 4:59 pm

BSL

SEA

16h 14m

1 stop

$826United Airlines

Mon, Aug 24 - Sun, Sep 6

8:50 am - 12:25 pm

SEA

BSL

18h 35m

2 stops

9:45 am - 4:59 pm

BSL

SEA

16h 14m

1 stop

$830United Airlines

Mon, Aug 24 - Thu, Sep 3

12:35 pm - 6:15 pm

SEA

BSL

20h 40m

1 stop

7:10 pm - 5:15 pm

BSL

SEA

31h 05m

1 stop

$844Turkish Airlines

Fri, Jul 31 - Tue, Aug 11

6:35 am - 9:55 am

PDX

BSL

18h 20m

2 stops

6:30 am - 11:10 am

BSL

PDX

13h 40m

1 stop

$968Delta

Fri, Jul 31 - Tue, Aug 11

6:35 am - 9:55 am

PDX

BSL

18h 20m

2 stops

6:30 am - 11:10 am

BSL

PDX

13h 40m

1 stop

$998Delta

Tue, Sep 15 - Wed, Sep 23

11:09 am - 12:25 pm

PDX

BSL

16h 16m

2 stops

8:25 am - 2:27 pm

BSL

PDX

15h 02m

2 stops

$1,025Multiple Airlines

Useful Info

Low season	August
High season	December
Cheapest flight	$322

Best time to beat the crowds with an average 52% drop in price.

Most popular time to fly and prices are also 25% lower on average.

Flight from Seattle to Basel

How does KAYAK find such low prices on flights from Washington to Basel?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington to Basel.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to Basel?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Basel from Washington is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Washington to Basel?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Basel with an airline and back to Washington with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington to Basel?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Basel from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Basel

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Cabin class

Complete your trip

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Information on your arrival and departure airports

Basel (BSL)

BSL

$322 Find Cheap Flights from Washington to Basel

KAYAK searches hundreds of travel sites at once for deals on flights to Basel EuroAirport Swiss

Cheap Flights from Washington to Basel

Recent round-trip flight deals from Washington to Basel

Recent one-way flight deals from Washington to Basel

Good to know

FAQs for booking Washington to Basel flights

How does KAYAK find such low prices on flights from Washington to Basel?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington to Basel.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to Basel?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Basel from Washington is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Washington to Basel?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Basel with an airline and back to Washington with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington to Basel?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Basel from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Basel

Information on your arrival and departure airports

Cabin class types available on flights to Basel

Complete your trip to Basel with a hotel stay or car rental

Find direct flights for Basel

Flights to other popular destinations

Flights from domestic origins to Washington

Choose which airport to fly into in Basel

Find deals for your return flight