Basel

$604+ Cheap flights from Dulles Intl (IAD) to Basel EuroAirport Swiss (BSL)

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 4/24. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BSL
Mar 30 — Apr 61
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Cheap flight deals from Dulles Intl to Basel

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Basel (BSL). 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 March 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$604
(oojo)

Popular in

May

Cheapest in

December

Average price

$750
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Basel EuroAirport Swiss flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Basel EuroAirport Swiss flights.
From Washington, D.C. Dulles Intl to Basel EuroAirport Swiss
Highest demand for flights based on searches. 10% potential increase in price ($110 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($40 potential savings vs. average RT price).
Average for round-trip flights in March 2025

Find flight deals from Dulles Intl to Basel

Cheapest flights from Dulles Intl to Basel
Explore the most affordable flight options available from Dulles Intl to Basel. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 25, 2025.

This oojo deal was found by Cheapflights users on 3/24. 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.
Thu 4/249:40 pmIAD - BSL
1 stop14h 20mTurkish Airlines
Tue 4/296:55 pmBSL - IAD
1 stop22h 50mTurkish Airlines
Deal found 3/24$604
This Kiwi.com deal was found by Cheapflights users on 3/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/3010:05 pmIAD - BSL
1 stop15h 00mMultiple Airlines
Mon 5/57:00 amBSL - IAD
1 stop18h 59mMultiple Airlines
Deal found 3/23$700
This United deal was found by Cheapflights users on 3/24. 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.
Tue 11/255:40 pmIAD - BSL
1 stop19h 50mUnited Airlines
Thu 12/42:15 pmBSL - IAD
2 stops23h 20mUnited Airlines
Deal found 3/24$744
This American Airlines deal was found by Cheapflights users on 3/23. 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.
Mon 4/288:14 pmIAD - BSL
2 stops16h 06mAmerican Airlines
Tue 5/1311:10 amBSL - IAD
1 stop14h 55mAmerican Airlines
Deal found 3/23$835
This Delta deal was found by Cheapflights users on 3/23. 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 4/2912:11 pmIAD - BSL
2 stops15h 19mDelta
Wed 5/76:15 amBSL - IAD
1 stop15h 20mDelta
Deal found 3/23$845
This Lufthansa deal was found by Cheapflights users on 3/24. 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.
Tue 5/2010:20 pmIAD - BSL
1 stop15h 15mLufthansa
Sat 5/311:00 pmBSL - IAD
1 stop12h 25mLufthansa
Deal found 3/24$894
This Air Canada deal was found by Cheapflights users on 3/23. 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 4/242:40 pmIAD - BSL
2 stops14h 15mAir Canada
Tue 4/2911:25 amBSL - IAD
2 stops28h 21mAir Canada
Deal found 3/23$898
This Austrian Airlines deal was found by Cheapflights users on 3/23. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/205:25 pmIAD - BSL
1 stop34h 15mAustrian Airlines
Sun 4/278:25 pmBSL - IAD
1 stop24h 10mAustrian Airlines
Deal found 3/23$899
This Gurufare deal was found by Cheapflights users on 3/24. 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.
Fri 8/158:45 pmIAD - BSL
2 stops29h 10mSWISS
Tue 8/268:10 pmBSL - IAD
2 stops26h 05mSWISS
Deal found 3/24$970
This KLM deal was found by Cheapflights users on 3/23. 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.
Tue 4/296:30 pmIAD - BSL
2 stops13h 20mKLM
Sun 5/410:15 amBSL - IAD
2 stops15h 00mKLM
Deal found 3/23$1,167

Cheapflights Fare Finder

Customize your flight search to find flights from Dulles Intl 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 March 25, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Basel EuroAirport Swiss that are best for you.

Fly from

Dulles Intl

Fly to

Basel

Route

Depart

Return

Price

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Thu 4/24

9:40 pm-6:00 pm

1 stop14h 20m

Basel EuroAirport Swiss

Tue 4/29

6:55 pm-11:45 am

1 stop22h 50m

$604

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Wed 4/30

10:05 pm-7:05 pm

1 stop15h 00m

Basel EuroAirport Swiss

Mon 5/5

7:00 am-7:59 pm

1 stop18h 59m

$700

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Mon 4/28

8:14 pm-6:20 pm

2 stops16h 06m

Basel EuroAirport Swiss

Tue 5/13

11:10 am-8:05 pm

1 stop14h 55m

$835

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Tue 4/29

12:11 pm-9:30 am

2 stops15h 19m

Basel EuroAirport Swiss

Wed 5/7

6:15 am-3:35 pm

1 stop15h 20m

$845

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Sat 5/17

10:19 pm-12:25 pm

2 stops32h 06m

Basel EuroAirport Swiss

Tue 6/3

11:25 am-1:41 pm

2 stops32h 16m

$855

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Tue 5/20

10:20 pm-7:35 pm

1 stop15h 15m

Basel EuroAirport Swiss

Sat 5/31

1:00 pm-7:25 pm

1 stop12h 25m

$894

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Thu 4/24

2:40 pm-10:55 am

2 stops14h 15m

Basel EuroAirport Swiss

Tue 4/29

11:25 am-9:46 am

2 stops28h 21m

$898

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Sun 4/20

5:25 pm-9:40 am

1 stop34h 15m

Basel EuroAirport Swiss

Sun 4/27

8:25 pm-2:35 pm

1 stop24h 10m

$899

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Fri 8/15

8:45 pm-7:55 am

2 stops29h 10m

Basel EuroAirport Swiss

Tue 8/26

8:10 pm-4:15 pm

2 stops26h 05m

$970

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Tue 4/29

6:30 pm-1:50 pm

2 stops13h 20m

Basel EuroAirport Swiss

Sun 5/4

10:15 am-7:15 pm

2 stops15h 00m

$1,167

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Showing 1-10 of 14 results
1
2

Compare providers for flights from Dulles Intl to Basel

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Basel in March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Basel EuroAirport Swiss flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Basel EuroAirport Swiss flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Basel EuroAirport Swiss flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Basel EuroAirport Swiss flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Basel EuroAirport Swiss flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Dulles Intl to Basel

Have a flexible travel schedule? Discover the best time to fly to Basel from Dulles Intl 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, D.C. Dulles Intl Airport to Basel EuroAirport Swiss

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 March 25, 2025.
Read reviews from past customers who have flown Delta, KLM and Austrian Airlines from Washington, D.C. to Basel. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Overall

8.0

Comfort

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

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.
8.0
Very good
8.0
Very good

Overall

8.0

Comfort

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

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.
8.0
Very good

Overall

8.0

Comfort

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

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.
8.0
Very good

Overall

8.0

Comfort

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

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.
8.0
Very good

Overall

8.0

Comfort

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

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.
8.0
Very good

Overall

8.0

Comfort

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

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 Dulles Intl 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, D.C. Dulles Intl?

    Most people fly into Basel EuroAirport Swiss (BSL) if they book a flight to Basel from Washington, D.C. Dulles Intl. On average, EuroAirport Swiss has 0 inbound flights from Washington, D.C. Dulles Intl per day from 1 airline. Basel EuroAirport Swiss is conveniently located just 3.6 mi from Basel’s city center.

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Basel EuroAirport Swiss round-trip?

    Our cheapest airline available from Washington, D.C. Dulles Intl Airport to Basel EuroAirport Swiss is Turkish Airlines. Our recent data shows that you can find tickets from as low as $604 on this airline. Additional options worth looking into are American Airlines and Delta, starting at $835 and $845 round-trip. Turkish Airlines is currently priced 32% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Basel EuroAirport Swiss one-way?

    To fly one-way, consider booking your trip with Lufthansa, which is currently one of the cheapest options available, starting at $2,297. Turkish Airlines flights start at $3,296 while deals on British Airways start at $5,897 one-way.

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

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

  • How can I find direct flights from Dulles Intl to Basel?

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl 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 Washington, D.C. Dulles Intl Airport to Basel EuroAirport Swiss?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Basel EuroAirport Swiss (average of $545). Flying from Washington, D.C. Dulles Intl Airport 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.

See more FAQs

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Alternative routes for Dulles Intl to Basel

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Dulles Intl to Basel

Discover the top airline that operate flights from Dulles Intl 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 March 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$530Average$583FlexibilityNo cancel feeOn-time77%
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