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>

$316 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

Last minute

Recent round-trip flight deals from Washington to Basel

Mon, Apr 6 - Tue, Apr 14

11:59 pm - 12:25 pm

SEA

BSL

27h 26m

2 stops

8:15 am - 11:27 pm

BSL

SEA

24h 12m

3 stops

$718United Airlines

Mon, Apr 6 - Tue, Apr 14

11:59 pm - 12:25 pm

SEA

BSL

27h 26m

2 stops

9:50 am - 8:53 pm

BSL

SEA

20h 03m

2 stops

$720United Airlines

Sun, Apr 5 - Mon, Apr 13

6:40 pm - 9:55 am

SEA

BSL

30h 15m

1 stop

10:15 am - 11:45 am

BSL

SEA

34h 30m

1 stop

$733Delta

Sat, Apr 4 - Tue, Apr 14

11:29 pm - 9:45 am

SEA

BSL

25h 16m

2 stops

10:15 am - 11:45 am

BSL

SEA

34h 30m

1 stop

$740Delta

Mon, Apr 6 - Tue, Apr 14

6:40 pm - 9:55 am

SEA

BSL

30h 15m

1 stop

10:15 am - 8:42 pm

BSL

SEA

19h 27m

2 stops

$743Delta

Sat, Apr 4 - Tue, Apr 14

11:29 pm - 9:45 am

SEA

BSL

25h 16m

2 stops

10:15 am - 8:42 pm

BSL

SEA

19h 27m

2 stops

$751Delta

Sun, Sep 6 - Sat, Sep 19

8:29 am - 9:15 am

PDX

BSL

15h 46m

2 stops

8:20 am - 6:47 pm

BSL

PDX

19h 27m

2 stops

$799Lufthansa

Sun, Sep 6 - Sat, Sep 19

7:30 pm - 10:50 pm

PDX

BSL

18h 20m

1 stop

11:55 am - 5:40 pm

BSL

PDX

14h 45m

1 stop

$916British Airways

Tue, May 19 - Wed, Jun 17

3:30 pm - 10:15 am

PDX

BSL

33h 45m

2 stops

11:10 am - 7:05 pm

BSL

PDX

16h 55m

2 stops

$936Lufthansa

Tue, May 19 - Fri, Jun 19

3:30 pm - 10:15 am

PDX

BSL

33h 45m

2 stops

6:00 am - 2:51 pm

BSL

PDX

17h 51m

2 stops

$942Multiple Airlines

Useful Info

Low season	March
High season	July
Cheapest flight	$316

Best time to beat the crowds with an average 31% drop in price.

Most popular time to fly and prices are also 11% 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

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on your arrival and departure airports

Basel (BSL)

BSL

$274 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

Recent last minute 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