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$406+ Cheap flights from Basel EuroAirport Swiss (BSL) to Washington

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/17. Fares are subject to change and may not be available on all flights or dates of travel.
BSL — SEA
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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Cheap flight deals from Basel to Washington

Discover tips and strategies to find the most affordable flight options for your journey from Basel (BSL) to Washington (USWA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2025.

Round-trip from

$475
(British Airways)

One-way from

$406
(Kiwi.com)
From Basel EuroAirport Swiss to Washington
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One-way flight from Basel EuroAirport Swiss to Washington
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Find flight deals from Basel to Washington

Cheapest flights from Basel to Washington
Explore the most affordable flight options available from Basel to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

This British Airways deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/106:10 amBSL - SEA
1 stop21h 10mBritish Airways
Fri 4/188:20 pmSEA - BSL
1 stop17h 30mBritish Airways
Deal found 1/21$475
This American Airlines deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/911:20 amBSL - SEA
2 stops41h 44mAmerican Airlines
Tue 2/181:33 pmSEA - BSL
2 stops40h 17mAmerican Airlines
Deal found 1/21$484
This Delta deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/106:15 amBSL - SEA
1 stop18h 45mDelta
Tue 4/229:40 amSEA - BSL
2 stops18h 30mDelta
Deal found 1/21$514
This KLM deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/611:15 amBSL - SEA
1 stop33h 31mKLM
Mon 2/102:09 pmSEA - BSL
1 stop22h 56mKLM
Deal found 1/21$515
This United Airlines deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/106:05 amBSL - SEA
2 stops24h 21mUnited Airlines
Tue 4/229:00 amSEA - BSL
2 stops25h 35mUnited Airlines
Deal found 1/21$564
This Lufthansa deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/106:05 amBSL - SEA
1 stop15h 20mLufthansa
Sun 4/206:50 pmSEA - BSL
1 stop15h 45mLufthansa
Deal found 1/21$581
This Kissandfly.com deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/76:40 amBSL - PDX
1 stop18h 55mBritish Airways
Fri 3/143:50 pmPDX - BSL
2 stops21h 40mBritish Airways
Deal found 1/21$589
This American Airlines deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/196:10 amBSL - PDX
2 stops25h 33mAmerican Airlines
Thu 7/37:25 pmPDX - BSL
1 stop18h 25mAmerican Airlines
Deal found 1/21$591
This American Airlines deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/76:40 amBSL - PDX
1 stop18h 55mMultiple Airlines
Fri 3/147:30 pmPDX - BSL
1 stop13h 30mMultiple Airlines
Deal found 1/21$653
This Delta deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/236:15 amBSL - PDX
1 stop14h 05mDelta
Fri 6/61:15 pmPDX - BSL
1 stop15h 35mDelta
Deal found 1/21$659
This United Airlines deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/2411:30 amBSL - PDX
2 stops18h 17mUnited Airlines
Tue 7/84:05 pmPDX - BSL
2 stops18h 30mUnited Airlines
Deal found 1/21$674
This Air Canada deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/256:20 amBSL - PDX
2 stops25h 35mAir Canada
Sun 6/87:40 pmPDX - BSL
2 stops33h 00mAir Canada
Deal found 1/21$686

Find flights from Basel to Washington within your budget

Customize your flight search to find flights from Basel to Washington 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, Cheapflights users made 2,558,603 searches. Data last updated January 21, 2025.

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Depart

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Price

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Thu 4/10

6:10 am-11:35 am

1 stop14h 25m

Seattle/Tacoma Intl

Fri 4/18

2:55 pm-4:35 pm

2 stops16h 40m

$475

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Sun 2/9

11:20 am-8:04 pm

2 stops41h 44m

Seattle/Tacoma Intl

Tue 2/18

1:33 pm-2:50 pm

2 stops40h 17m

$484

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Thu 4/10

6:15 am-4:00 pm

1 stop18h 45m

Seattle/Tacoma Intl

Tue 4/22

9:40 am-1:10 pm

2 stops18h 30m

$514

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Thu 2/6

11:15 am-11:46 am

1 stop33h 31m

Seattle/Tacoma Intl

Mon 2/10

2:09 pm-10:05 pm

1 stop22h 56m

$515

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Thu 4/10

6:05 am-9:26 pm

2 stops24h 21m

Seattle/Tacoma Intl

Tue 4/22

9:00 am-7:35 pm

2 stops25h 35m

$564

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Thu 4/10

6:05 am-12:25 pm

1 stop15h 20m

Seattle/Tacoma Intl

Sun 4/20

6:50 pm-7:35 pm

1 stop15h 45m

$581

BaselPortland

BSL - PDX

BSLPDX

Basel EuroAirport Swiss

Fri 3/7

6:40 am-4:35 pm

1 stop18h 55m

Portland

Fri 3/14

3:50 pm-9:30 pm

2 stops21h 40m

$589

BaselPortland

BSL - PDX

BSLPDX

Basel EuroAirport Swiss

Thu 6/19

6:10 am-10:43 pm

2 stops25h 33m

Portland

Thu 7/3

7:25 pm-10:50 pm

1 stop18h 25m

$591

BaselPortland

BSL - PDX

BSLPDX

Basel EuroAirport Swiss

Fri 3/7

6:40 am-4:35 pm

1 stop18h 55m

Portland

Fri 3/14

7:30 pm-5:00 pm

1 stop13h 30m

$653

BaselPortland

BSL - PDX

BSLPDX

Basel EuroAirport Swiss

Fri 5/23

6:15 am-11:20 am

1 stop14h 05m

Portland

Fri 6/6

1:15 pm-1:50 pm

1 stop15h 35m

$659

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 20 results
1
2

Best time to book a flight from Basel to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from Basel with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Basel to Washington

Get recent, data-driven insights about flights from Basel to Washington including ideal travel times, pricing trends, and more.

Rainfall in Washington by month

Plan your trip to Washington by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in State of Washington ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit State of Washington when rainfall is around 0.7 in.

Temperature in Washington by month

Plan your trip to Washington by taking into account the average temperature totals by month.

If weather is an important factor for your trip to State of Washington, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington. Reviews last updated January 21, 2025.
To help decide which airline to fly from Basel to Washington, see what other customers have to say about British Airways, Delta and United Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,521 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.6

Boarding

8.2

Comfort

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,521 reviews
Delta
8.0
Very good
8,521 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.6

Boarding

8.2

Comfort

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM
7.8
Good
1,341 reviews
Delta
8.0
Very good
8,521 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.6

Boarding

8.2

Comfort

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
8,984 reviews
Delta
8.0
Very good
8,521 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.6

Boarding

8.2

Comfort

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Turkish Airlines
7.3
Good
3,931 reviews
Delta
8.0
Very good
8,521 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.6

Boarding

8.2

Comfort

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,521 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.6

Boarding

8.2

Comfort

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Basel to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Basel to Washington?

    For a flight from Basel to Washington, you will be flying from EuroAirport Swiss. Basel EuroAirport Swiss (BSL) is just 3.6 mi from the center of the city.

  • What are the cheapest airlines to fly from Basel EuroAirport Swiss to State of Washington one-way?

    The cheapest airlines for a one-way flight from Basel EuroAirport Swiss to State of Washington are Lufthansa ($612), British Airways ($650), and United Airlines ($1,679).

  • Can I find deals for flights from Basel to Washington that include hotel bookings?

    Yes. In addition to deals on Basel to Washington flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Basel to Washington?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Basel to Washington.

  • Can I find deals for business class flights from Basel to Washington?

    Yes. Cheapflights offers flight deals from Basel to Washington by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Basel EuroAirport Swiss to State of Washington?

    Currently, January is the cheapest month in which you can book a flight from Basel EuroAirport Swiss to State of Washington (average of $238). Flying from Basel EuroAirport Swiss to State of Washington in July is currently the most expensive (average of $411). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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