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$515+ Cheap flights from Basel EuroAirport Swiss (BSL) to Washington

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/21. Fares are subject to change and may not be available on all flights or dates of travel.
BSL — SEA
Nov 9 — Nov 161
1 adult
Sat 11/9
Sat 11/16
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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 November 4, 2024.

This Kissandfly.com deal was found by Cheapflights users on 11/4. 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.
Thu 11/216:10 amBSL - SEA
1 stop19h 45mBritish Airways
Tue 11/2610:27 pmSEA - BSL
2 stops35h 13mBritish Airways
Deal found 11/4$530
This flugladen.de deal was found by Cheapflights users on 11/4. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2111:15 amBSL - SEA
1 stop33h 05mMultiple Airlines
Tue 11/261:35 pmSEA - BSL
1 stop16h 25mMultiple Airlines
Deal found 11/4$547
This United Airlines deal was found by Cheapflights users on 11/4. 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 12/199:35 amBSL - SEA
2 stops20h 45mUnited Airlines
Thu 12/263:11 pmSEA - BSL
2 stops17h 59mUnited Airlines
Deal found 11/4$851
This American Airlines deal was found by Cheapflights users on 11/4. 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.
Tue 11/56:55 amBSL - SEA
1 stop19h 00mAmerican Airlines
Sat 11/96:50 pmSEA - BSL
1 stop14h 10mAmerican Airlines
Deal found 11/4$878
This Delta deal was found by Cheapflights users on 11/4. 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.
Tue 11/56:05 amBSL - SEA
2 stops18h 07mDelta
Sat 11/97:20 amSEA - BSL
2 stops18h 20mDelta
Deal found 11/4$940

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 2,455,398 searches. Data last updated November 4, 2024.

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BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Thu 4/10

6:35 am-5:45 pm

1 stop20h 10m

$553

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Tue 12/17

9:35 am-1:20 pm

1 stop12h 45m

$606

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Thu 4/10

6:35 am-9:24 pm

2 stops23h 49m

$679

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Sun 12/1

6:05 pm-5:05 pm

1 stop32h 00m

$1,137

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Thu 4/10

9:45 am-12:51 am

3 stops24h 06m

$1,714

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Thu 4/10

6:35 am-11:30 am

1 stop13h 55m

Seattle/Tacoma Intl

Tue 4/22

1:32 pm-6:20 pm

2 stops19h 48m

$520

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Sun 2/9

11:20 am-4:55 pm

1 stop14h 35m

Seattle/Tacoma Intl

Tue 2/18

1:35 pm-3:00 pm

1 stop16h 25m

$529

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Thu 11/21

6:10 am-4:55 pm

1 stop19h 45m

Seattle/Tacoma Intl

Tue 11/26

10:27 pm-6:40 pm

2 stops35h 13m

$530

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

Thu 4/10

6:05 am-12:25 pm

1 stop15h 20m

Seattle/Tacoma Intl

Tue 4/22

2:20 pm-5:40 pm

1 stop18h 20m

$600

BaselPortland

BSL - PDX

BSLPDX

Basel EuroAirport Swiss

Wed 2/12

11:05 am-10:12 pm

3 stops20h 07m

Portland

Wed 2/26

10:10 am-1:10 pm

2 stops18h 00m

$680

Flights are sorted by cheapest first

Deals found on 11/4

Showing 1-10 of 12 results
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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 November 4, 2024.
To help decide which airline to fly from Basel to Washington, see what other customers have to say about British Airways and American 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
8,829 reviews

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

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
8,829 reviews
Delta
8.0
Very good
8,829 reviews

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

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
1,350 reviews
Delta
8.0
Very good
8,829 reviews

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

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
7.4
Good
3,881 reviews
Delta
8.0
Very good
8,829 reviews

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

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
9,226 reviews
Delta
8.0
Very good
8,829 reviews

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

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
8,829 reviews

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

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.

  • Can I find flights from Basel EuroAirport Swiss to State of Washington for under $600 on Cheapflights?

    Yes, there are multiple flights from Basel EuroAirport Swiss to State of Washington for under $600. The cheapest flight booked recently is on Multiple Airlines for just $515, but on average you can expect to pay $657.

  • 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 ($606), British Airways ($679), and Turkish Airlines ($1,137).

  • What does BSL to SEA mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Basel EuroAirport Swiss to Seattle/Tacoma Intl Airport flight would often be abbreviated as a BSL to SEA flight. This flight route has multiple associated airports, so we think it might be helpful to learn the name and codes of them as well. They are Wenatchee Pangborn Field Airport (EAT), Spokane Airport (GEG), Pasco Tri Cities Airport (PSC), Everett Paine Field Airport (PAE), Bellingham Airport (BLI).

  • Can I find deals for flights from Basel to Washington that include extra baggage allowance?

    The amount of baggage you can bring on your Basel to Washington flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Basel to Washington with specific airlines?

    Yes, Cheapflights allows you to browse and filter Basel to Washington flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from Basel to Washington that allow pets onboard?

    Many airlines flying from Basel to Washington offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Basel to Washington?

    Yes, you can often find last-minute deals on Basel to Washington flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Basel EuroAirport Swiss to State of Washington flight deals updated?

    The Basel EuroAirport Swiss to State of Washington flight deals you see on this page were last updated on 11/4.

  • 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.

See more FAQs

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