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$248+ Cheap flights from Washington to Basel (EAP)

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 7/6. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — EAP
abr. 8 — abr. 151
mar. 4/8
mar. 4/15
1 adult, Economy
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Cheap flight deals from Washington to Basel

Keep the following information in mind while searching for Washington to Basel flight deals. Data was last updated abril 3, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$562
(American Airlines)

One-way from

$248
(Trip.com)

Popular in

June

Cheapest in

January

Average price

$690
Provider with most accurate pricing for Seattle/Tacoma Intl-Basel (EAP) flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Basel (EAP) flights.
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From Washington to Basel (EAP)
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One-way flight from Washington to Basel (EAP)
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Highest demand for flights based on searches. 30% potential increase in price ($327 potential increase over avg. RT price).
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Cheapest flight prices on average. 10% potential price decrease ($70 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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 abril 3, 2025.

This American Airlines deal was found by Cheapflights users on 4/2. 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.
lun. 9/11:29 pmSEA - BSL
2 stops19h 51mMultiple Airlines
lun. 9/157:20 pmBSL - SEA
1 stop24h 50mMultiple Airlines
Deal found 4/2$562
This Gurufare deal was found by Cheapflights users on 4/2. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/11:30 pmSEA - BSL
1 stop24h 20mBritish Airways
lun. 9/157:20 pmBSL - SEA
1 stop24h 50mBritish Airways
Deal found 4/2$582
This American Airlines deal was found by Cheapflights users on 4/2. 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.
lun. 9/11:29 pmSEA - BSL
2 stops19h 51mAmerican Airlines
lun. 9/1512:10 pmBSL - SEA
2 stops20h 40mAmerican Airlines
Deal found 4/2$631
This United Airlines deal was found by Cheapflights users on 4/2. 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.
mié. 4/306:50 pmSEA - BSL
1 stop15h 45mUnited Airlines
mié. 5/79:45 amBSL - SEA
1 stop16h 14mUnited Airlines
Deal found 4/2$644
This Delta deal was found by Cheapflights users on 4/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/35:35 pmSEA - BSL
1 stop15h 15mDelta
mar. 6/102:25 pmBSL - SEA
2 stops18h 40mDelta
Deal found 4/3$706
This Lufthansa deal was found by Cheapflights users on 4/3. 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.
vie. 5/2310:00 amSEA - BSL
2 stops18h 45mLufthansa
vie. 5/308:25 amBSL - SEA
2 stops17h 34mLufthansa
Deal found 4/3$769
This Gotogate deal was found by Cheapflights users on 4/1. 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.
vie. 5/166:15 amPDX - BSL
2 stops22h 30mMultiple Airlines
vie. 5/238:25 amBSL - PDX
2 stops19h 20mMultiple Airlines
Deal found 4/1$940
This American Airlines deal was found by Cheapflights users on 4/1. 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.
jue. 6/57:25 pmPDX - BSL
1 stop18h 25mAmerican Airlines
mar. 6/106:45 amBSL - PDX
1 stop19h 50mAmerican Airlines
Deal found 4/1$1,041
This oojo deal was found by Cheapflights users on 4/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/47:10 pmSEA - BSL
1 stop29h 30mTurkish Airlines
vie. 8/810:35 amBSL - SEA
1 stop33h 00mTurkish Airlines
Deal found 4/2$1,042
This Travelocity deal was found by Cheapflights users on 4/1. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/237:25 pmPDX - BSL
1 stop18h 25mBritish Airways
lun. 6/27:20 pmBSL - PDX
1 stop31h 15mBritish Airways
Deal found 4/1$1,043
This Lufthansa deal was found by Cheapflights users on 4/1. 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.
jue. 6/52:12 pmPDX - BSL
2 stops18h 38mLufthansa
mar. 6/106:05 amBSL - PDX
2 stops21h 40mLufthansa
Deal found 4/1$1,049
This Delta deal was found by Cheapflights users on 4/1. 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.
lun. 7/71:15 pmPDX - BSL
1 stop19h 35mDelta
lun. 7/286:15 amBSL - PDX
1 stop14h 05mDelta
Deal found 4/1$1,076

Cheapflights Fare Finder

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 2,558,603 searches. Data last updated abril 3, 2025.
Use the filters below to find and compare flights from Washington to Basel that are best for you.

Fly from

Washington

Fly to

Basel

Route

Depart

Return

Price

SeattleBasel

SEA - BSL

SEABSL

Seattle/Tacoma Intl

lun. 9/1

1:29 pm-6:20 pm

2 stops19h 51m

Basel EuroAirport Swiss

lun. 9/15

7:20 pm-11:10 am

1 stop24h 50m

$562

SeattleBasel

SEA - BSL

SEABSL

Seattle/Tacoma Intl

lun. 9/1

1:30 pm-10:50 pm

1 stop24h 20m

Basel EuroAirport Swiss

lun. 9/15

7:20 pm-11:10 am

1 stop24h 50m

$582

SeattleBasel

SEA - BSL

SEABSL

Seattle/Tacoma Intl

lun. 9/1

1:29 pm-6:20 pm

2 stops19h 51m

Basel EuroAirport Swiss

lun. 9/15

12:10 pm-11:50 pm

2 stops20h 40m

$631

SeattleBasel

SEA - BSL

SEABSL

Seattle/Tacoma Intl

mié. 4/30

6:50 pm-7:35 pm

1 stop15h 45m

Basel EuroAirport Swiss

mié. 5/7

9:45 am-4:59 pm

1 stop16h 14m

$644

SeattleBasel

SEA - BSL

SEABSL

Seattle/Tacoma Intl

mar. 6/3

5:35 pm-5:50 pm

1 stop15h 15m

Basel EuroAirport Swiss

mar. 6/10

2:25 pm-12:05 am

2 stops18h 40m

$706

SeattleBasel

SEA - BSL

SEABSL

Seattle/Tacoma Intl

vie. 5/23

10:00 am-1:45 pm

2 stops18h 45m

Basel EuroAirport Swiss

vie. 5/30

8:25 am-4:59 pm

2 stops17h 34m

$769

PortlandBasel

PDX - BSL

PDXBSL

Portland

vie. 5/16

6:15 am-1:45 pm

2 stops22h 30m

Basel EuroAirport Swiss

vie. 5/23

8:25 am-6:45 pm

2 stops19h 20m

$940

PortlandBasel

PDX - BSL

PDXBSL

Portland

jue. 6/5

7:25 pm-10:50 pm

1 stop18h 25m

Basel EuroAirport Swiss

mar. 6/10

6:45 am-5:35 pm

1 stop19h 50m

$1,041

SeattleBasel

SEA - BSL

SEABSL

Seattle/Tacoma Intl

lun. 8/4

7:10 pm-9:40 am

1 stop29h 30m

Basel EuroAirport Swiss

vie. 8/8

10:35 am-10:35 am

1 stop33h 00m

$1,042

PortlandBasel

PDX - BSL

PDXBSL

Portland

vie. 5/23

7:25 pm-10:50 pm

1 stop18h 25m

Basel EuroAirport Swiss

lun. 6/2

7:20 pm-5:35 pm

1 stop31h 15m

$1,043

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/3

Showing 1-10 of 23 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.

Cheapflights Insights

Everything you need to know about your flight from Washington to Basel

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

Currently, January is the cheapest month in which you can book a flight from State of Washington to Basel (average of $545). Flying from State of Washington to Basel 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 EAP?

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 abril 3, 2025.

When flying from State of Washington to Basel, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 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 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, 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 abril 3, 2025.
Read reviews from past customers who have flown Delta, KLM and United Airlines from Washington to Basel. 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
7,897 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Comfort

8.0

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,897 reviews
Delta
8.0
Very good
7,897 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Comfort

8.0

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,323 reviews
Delta
8.0
Very good
7,897 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Comfort

8.0

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,619 reviews
Delta
8.0
Very good
7,897 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Comfort

8.0

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Turkish Airlines
7.3
Good
3,750 reviews
Delta
8.0
Very good
7,897 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Comfort

8.0

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,897 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Comfort

8.0

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

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 All airports (EAP) is the airport you will fly into if you book a flight from Washington to Basel. It is only a 0.2 mi journey from All airports (EAP) to Basel’s city center.

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

    One-way options have recently been found by users for as low as $425 on Lufthansa. Other airlines that offer cheap prices include Delta from $448 and United Airlines from $452 one-way.

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

    While some choose either Portland - Basel EuroAirport Swiss or Pasco Tri Cities - Basel EuroAirport Swiss, Seattle/Tacoma Intl - Basel EuroAirport Swiss is the most popular route from State of Washington to Basel.

  • 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.

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

    Currently, January is the cheapest month in which you can book a flight from State of Washington to Basel (average of $545). Flying from State of Washington to Basel 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.

See more FAQs

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Alternative routes for Washington to Basel

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Washington to Basel

Discover the top 2 airlines 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 2,558,603 searches. Data last updated abril 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$443Average$624FlexibilityNo cancel feeOn-time70%
Air FranceCheapest$502Average$769FlexibilityNo cancel feeOn-time77%

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