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$446+ Cheap flights from Washington to Basel EuroAirport Swiss (BSL)

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 12/16. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BSL
Nov 9 — Nov 161
1 adult
Sat 11/9
Sat 11/16
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Find flight deals from Washington to Basel

Cheapest flights from Washington to Basel
Explore the most affordable flight options available from Washington to Basel. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 4, 2024.

This Gotogate deal was found by Cheapflights users on 11/3. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/186:50 pmSEA - BSL
1 stop17h 45mBritish Airways
Tue 12/37:05 pmBSL - SEA
1 stop30h 50mBritish Airways
Deal found 11/3$499
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 12/36:50 pmSEA - BSL
1 stop14h 30mAmerican Airlines
Tue 12/1011:05 amBSL - SEA
1 stop14h 50mAmerican Airlines
Deal found 11/4$502
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/35:45 amSEA - BSL
2 stops21h 40mMultiple Airlines
Tue 12/1011:00 amBSL - SEA
2 stops19h 40mMultiple Airlines
Deal found 11/4$510
This Lufthansa deal was found by Cheapflights users on 11/3. 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.
Sun 12/293:10 pmSEA - BSL
1 stop12h 15mLufthansa
Wed 1/2911:05 amBSL - SEA
2 stops18h 26mLufthansa
Deal found 11/3$525
This United deal was found by Cheapflights users on 11/3. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/295:00 amSEA - BSL
2 stops22h 25mUnited Airlines
Wed 1/292:10 pmBSL - SEA
3 stops40h 10mUnited Airlines
Deal found 11/3$546
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/66:05 amSEA - BSL
2 stops19h 20mAir Canada
Wed 11/137:10 amBSL - SEA
2 stops20h 22mAir Canada
Deal found 11/4$730
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.
Wed 11/67:20 amSEA - BSL
2 stops17h 15mDelta
Wed 11/136:05 amBSL - SEA
1 stop14h 35mDelta
Deal found 11/4$732
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 12/261:34 pmPDX - BSL
2 stops19h 36mUnited Airlines
Thu 1/29:35 amBSL - PDX
2 stops17h 30mUnited Airlines
Deal found 11/4$1,439
This flugladen.de deal was found by Cheapflights users on 11/3. 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 12/197:00 pmSEA - BSL
1 stop37h 10mTurkish Airlines
Thu 12/2611:00 amBSL - SEA
1 stop39h 05mTurkish Airlines
Deal found 11/3$1,634
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/266:00 amPDX - BSL
2 stops27h 10mAir Canada
Thu 1/22:10 pmBSL - PDX
3 stops30h 40mAir Canada
Deal found 11/4$1,706
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.
Thu 12/267:00 amPDX - BSL
2 stops22h 05mDelta
Thu 1/211:15 amBSL - PDX
1 stop33h 10mDelta
Deal found 11/4$5,004

Find flights from Washington to Basel within your budget

Customize your flight search to find flights from Washington to Basel 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.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SeattleBasel

SEA - BSL

SEABSL

Seattle/Tacoma Intl

Mon 12/16

7:15 am-10:40 am

2 stops18h 25m

$446

SeattleBasel

SEA - BSL

SEABSL

Seattle/Tacoma Intl

Sun 12/15

10:59 pm-2:05 pm

2 stops30h 06m

$498

SeattleBasel

SEA - BSL

SEABSL

Seattle/Tacoma Intl

Sun 12/15

12:34 pm-2:05 pm

1 stop16h 31m

$680

SeattleBasel

SEA - BSL

SEABSL

Seattle/Tacoma Intl

Tue 12/17

3:10 pm-7:25 pm

1 stop19h 15m

$858

SeattleBasel

SEA - BSL

SEABSL

Seattle/Tacoma Intl

Wed 12/18

6:05 am-10:35 pm

3 stops31h 30m

$900

SeattleBasel

SEA - BSL

SEABSL

Seattle/Tacoma Intl

Thu 12/19

7:00 pm-5:10 pm

1 stop37h 10m

$1,079

SeattleBasel

SEA - BSL

SEABSL

Seattle/Tacoma Intl

Fri 12/20

6:50 pm-5:00 pm

1 stop13h 10m

$1,688

SeattleBasel

SEA - BSL

SEABSL

Seattle/Tacoma Intl

Mon 11/18

6:50 pm-9:35 pm

1 stop17h 45m

Basel EuroAirport Swiss

Tue 12/3

7:05 pm-4:55 pm

1 stop30h 50m

$499

SeattleBasel

SEA - BSL

SEABSL

Seattle/Tacoma Intl

Tue 12/3

6:50 pm-6:20 pm

1 stop14h 30m

Basel EuroAirport Swiss

Tue 12/10

11:05 am-4:55 pm

1 stop14h 50m

$502

SeattleBasel

SEA - BSL

SEABSL

Seattle/Tacoma Intl

Wed 2/26

7:44 am-6:40 pm

2 stops25h 56m

Basel EuroAirport Swiss

Mon 3/3

8:00 pm-11:20 am

1 stop24h 20m

$509

Flights are sorted by cheapest first

Deals found on 11/3

Showing 1-10 of 21 results
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Best time to book a flight from Washington to Basel

Have a flexible travel schedule? Discover the best time to fly to Basel from Washington 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 Washington to Basel

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

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

Currently, January is the cheapest month in which you can book a flight from State of Washington to Basel EuroAirport Swiss (average of $545). Flying from State of Washington to Basel EuroAirport Swiss in June is currently the most expensive (average of $1,132). 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.

What is the cheapest time of day to fly from WA to BSL?

Find hourly flight availability from Washington to Basel. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 4, 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from State of Washington to Basel EuroAirport Swiss as you normally would.

Rainfall in Basel by month

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

In terms of precipitation, rainfall in Basel EuroAirport Swiss ranges from 1.9 - 3.4 inches per month. June is typically the wettest month, when rainfall can reach 3.4 in. February is typically the driest time to visit Basel EuroAirport Swiss when rainfall is around 1.9 in.

Temperature in Basel by month

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

If weather is an important factor for your trip to Basel EuroAirport Swiss, 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 January, when temperatures are typically at their lowest (around 33.8 F).

Reviews of airlines servicing Basel

Get insights into the airlines that provide service to Basel. 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 Basel. Reviews last updated November 4, 2024.
Get a feel of what it's like to fly with British Airways, American Airlines and Delta from Washington to Basel by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,829 reviews

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,350 reviews
Delta
8.0
Very good
8,829 reviews

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air France
7.4
Good
1,532 reviews
Delta
8.0
Very good
8,829 reviews

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines
7.4
Good
9,226 reviews
Delta
8.0
Very good
8,829 reviews

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Washington to Basel. 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 into for flights to Basel from Washington?

    Basel EuroAirport Swiss (BSL) is the airport you will fly into if you book a flight from Washington to Basel. It is only a 3.6 mi journey from EuroAirport Swiss (BSL) to Basel’s city center.

  • Can I find flights from State of Washington to Basel EuroAirport Swiss for under $500 on Cheapflights?

    Yes, there are multiple flights from State of Washington to Basel EuroAirport Swiss for under $500. The cheapest flight booked recently is on British Airways for just $499, but on average you can expect to pay $1,078.

  • Are there last-minute flights available from State of Washington to Basel EuroAirport Swiss for under $500?

    There are currently 4+ open flights from State of Washington to Basel EuroAirport Swiss within the next 7 days for less than $500.

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

    To fly one-way, consider booking your trip with KLM, which is currently one of the cheapest options available, starting at $446. Delta flights start at $498 while deals on Air France start at $680 one-way.

  • What are the most popular routes from State of Washington to Basel EuroAirport Swiss?

    When deciding which route to take from State of Washington to Basel EuroAirport Swiss consider Seattle/Tacoma Intl - Basel EuroAirport Swiss, Portland - Basel EuroAirport Swiss or Pasco Tri Cities - Basel EuroAirport Swiss as they are the most popular.

  • What does SEA to BSL mean?

    SEA and BSL are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. SEA to BSL refers to a flight route from Seattle/Tacoma Intl Airport to Basel EuroAirport Swiss. While you’re still figuring out your travel plans, it’s not a bad idea to learn the names and codes of other airports around these areas: 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 Washington to Basel that include extra baggage allowance?

    The amount of baggage you can bring on your Washington to Basel 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 Washington to Basel with specific airlines?

    Yes, Cheapflights allows you to browse and filter Washington to Basel 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 Washington to Basel that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Washington to Basel 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 Washington to Basel that allow pets onboard?

    Many airlines flying from Washington to Basel 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 Washington to Basel?

    Yes, you can often find last-minute deals on Washington to Basel 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 State of Washington to Basel EuroAirport Swiss flight deals updated?

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

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

    Currently, January is the cheapest month in which you can book a flight from State of Washington to Basel EuroAirport Swiss (average of $545). Flying from State of Washington to Basel EuroAirport Swiss in June is currently the most expensive (average of $1,132). 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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Top airline flying from Washington to Basel

Discover the top airline that operate flights from Washington to Basel. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,455,398 searches. Data last updated November 4, 2024.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$443Average$685FlexibilityNo cancel feeOn-time70%
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