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Dulles Intl

$468+ Cheap flights from Basel EuroAirport Swiss (BSL) to Dulles Intl (IAD)

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 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
BSL — IAD
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap flight deals from Basel to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Basel (BSL) to Dulles Intl (IAD). 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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$468
(Booking.com)

Popular in

August

Cheapest in

January

Average price

$568
Provider with most accurate pricing for Basel EuroAirport Swiss-Washington, D.C. Dulles Intl flight deals.
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Provider most trusted by Cheapflights users for Basel EuroAirport Swiss-Washington, D.C. Dulles Intl flights.
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From Basel EuroAirport Swiss to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($199 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($47 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find flight deals from Basel to Dulles Intl

Cheapest flights from Basel to Dulles Intl
Explore the most affordable flight options available from Basel to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This Booking.com deal was found by Cheapflights users on 2/19. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/36:35 amBSL - IAD
1 stop15h 10mBritish Airways
Wed 5/1410:40 pmIAD - BSL
1 stop14h 20mBritish Airways
Deal found 2/19$468
This American Airlines deal was found by Cheapflights users on 2/20. 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 3/276:10 amBSL - IAD
1 stop15h 25mAmerican Airlines
Thu 4/35:50 pmIAD - BSL
1 stop14h 35mAmerican Airlines
Deal found 2/20$472
This Delta deal was found by Cheapflights users on 2/20. 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.
Sun 3/26:05 amBSL - IAD
1 stop15h 40mDelta
Sun 3/97:30 pmIAD - BSL
1 stop13h 35mDelta
Deal found 2/20$518
This Gotogate deal was found by Cheapflights users on 2/20. 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.
Sun 10/191:00 pmBSL - IAD
1 stop12h 25mLufthansa
Wed 10/2911:20 pmIAD - BSL
1 stop15h 10mLufthansa
Deal found 2/20$550
This Gotogate deal was found by Cheapflights users on 2/20. 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.
Sun 4/68:25 pmBSL - IAD
1 stop24h 10mMultiple Airlines
Sun 4/1311:05 pmIAD - BSL
1 stop14h 30mMultiple Airlines
Deal found 2/20$557
This United Airlines deal was found by Cheapflights users on 2/19. 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 4/249:45 amBSL - IAD
2 stops29h 56mUnited Airlines
Wed 5/79:00 amIAD - BSL
2 stops28h 35mUnited Airlines
Deal found 2/19$558
This Austrian Airlines deal was found by Cheapflights users on 2/20. 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.
Fri 3/1410:10 amBSL - IAD
2 stops15h 30mAustrian Airlines
Sun 3/237:00 pmIAD - BSL
1 stop19h 45mAustrian Airlines
Deal found 2/20$613
This Air Canada deal was found by Cheapflights users on 2/20. 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.
Fri 3/142:10 pmBSL - IAD
2 stops24h 36mAir Canada
Sun 3/233:55 pmIAD - BSL
2 stops16h 15mAir Canada
Deal found 2/20$630
This TUI fly deal was found by Cheapflights users on 2/19. 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 TUI fly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2711:15 amBSL - IAD
2 stops17h 58mKLM
Tue 3/45:35 pmIAD - BSL
1 stop11h 05mKLM
Deal found 2/19$661
This TUI fly deal was found by Cheapflights users on 2/19. 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 TUI fly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2710:15 amBSL - IAD
2 stops16h 50mAir France
Tue 3/46:30 pmIAD - BSL
1 stop13h 35mAir France
Deal found 2/19$696
This Gotogate deal was found by Cheapflights users on 2/19. 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.
Wed 3/266:05 pmBSL - IAD
1 stop24h 10mTurkish Airlines
Fri 3/2810:25 pmIAD - BSL
1 stop29h 15mTurkish Airlines
Deal found 2/19$1,021

Find flights from Basel to Dulles Intl within your budget

Customize your flight search to find flights from Basel to Dulles Intl 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 February 20, 2025.

Fly from

Basel

Fly to

Dulles Intl

Route

Depart

Return

Price

BaselWashington, D.C.

BSL - IAD

BSLIAD

Basel EuroAirport Swiss

Sat 5/3

6:35 am-3:45 pm

1 stop15h 10m

Washington, D.C. Dulles Intl

Wed 5/14

10:40 pm-7:00 pm

1 stop14h 20m

$468

BaselWashington, D.C.

BSL - IAD

BSLIAD

Basel EuroAirport Swiss

Thu 3/27

6:10 am-4:35 pm

1 stop15h 25m

Washington, D.C. Dulles Intl

Thu 4/3

5:50 pm-2:25 pm

1 stop14h 35m

$472

BaselWashington, D.C.

BSL - IAD

BSLIAD

Basel EuroAirport Swiss

Sun 3/2

6:05 am-3:45 pm

1 stop15h 40m

Washington, D.C. Dulles Intl

Sun 3/9

7:30 pm-2:05 pm

1 stop13h 35m

$518

BaselWashington, D.C.

BSL - IAD

BSLIAD

Basel EuroAirport Swiss

Sun 4/6

8:25 pm-2:35 pm

1 stop24h 10m

Washington, D.C. Dulles Intl

Sun 4/13

11:05 pm-7:35 pm

1 stop14h 30m

$557

BaselWashington, D.C.

BSL - IAD

BSLIAD

Basel EuroAirport Swiss

Thu 4/24

9:45 am-9:41 am

2 stops29h 56m

Washington, D.C. Dulles Intl

Wed 5/7

9:00 am-7:35 pm

2 stops28h 35m

$558

BaselWashington, D.C.

BSL - IAD

BSLIAD

Basel EuroAirport Swiss

Fri 3/14

10:10 am-8:40 pm

2 stops15h 30m

Washington, D.C. Dulles Intl

Sun 3/23

7:00 pm-7:45 pm

1 stop19h 45m

$613

BaselWashington, D.C.

BSL - IAD

BSLIAD

Basel EuroAirport Swiss

Sat 5/3

6:05 am-3:00 pm

2 stops14h 55m

Washington, D.C. Dulles Intl

Wed 5/14

10:20 pm-5:50 pm

2 stops13h 30m

$620

BaselWashington, D.C.

BSL - IAD

BSLIAD

Basel EuroAirport Swiss

Fri 3/14

2:10 pm-9:46 am

2 stops24h 36m

Washington, D.C. Dulles Intl

Sun 3/23

3:55 pm-1:10 pm

2 stops16h 15m

$630

BaselWashington, D.C.

BSL - IAD

BSLIAD

Basel EuroAirport Swiss

Wed 3/26

6:05 pm-1:15 pm

1 stop24h 10m

Washington, D.C. Dulles Intl

Fri 3/28

10:25 pm-8:40 am

1 stop29h 15m

$1,021

BaselWashington, D.C.

BSL - IAD

BSLIAD

Basel EuroAirport Swiss

Sun 5/25

7:05 am-8:15 pm

1 stop19h 10m

$544

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 12 results
1
2
  • Most accurate provider: When it comes to deals on Basel EuroAirport Swiss-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Basel EuroAirport Swiss-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Basel EuroAirport Swiss-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Basel EuroAirport Swiss-Washington, D.C. Dulles Intl Airport 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 Basel EuroAirport Swiss-Washington, D.C. Dulles Intl Airport 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 Basel to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl 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 Dulles Intl

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

Rainfall in Dulles Intl by month

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

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

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

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated February 20, 2025.
Peruse reviews from past customers who have flown with Delta, Austrian Airlines and United Airlines from Basel to Washington, D.C. to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,220 reviews

Crew

8.5

Food

7.3

Comfort

8.0

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

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

Delta
8.0
Very good
8,220 reviews
Delta
8.0
Very good
8,220 reviews

Crew

8.5

Food

7.3

Comfort

8.0

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

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

Austrian Airlines
7.6
Good
773 reviews
Delta
8.0
Very good
8,220 reviews

Crew

8.5

Food

7.3

Comfort

8.0

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

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

United Airlines
7.4
Good
8,766 reviews
Delta
8.0
Very good
8,220 reviews

Crew

8.5

Food

7.3

Comfort

8.0

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

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

Turkish Airlines
7.3
Good
3,832 reviews
Delta
8.0
Very good
8,220 reviews

Crew

8.5

Food

7.3

Comfort

8.0

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

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
8,220 reviews

Crew

8.5

Food

7.3

Comfort

8.0

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

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 Dulles Intl. 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, D.C. Dulles Intl?

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

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

    Flying on British Airways is currently your cheapest option to Washington, D.C. Dulles Intl Airport, with prices starting at $468. Additional round-trip tickets that might be worth considering are offered by American Airlines and Delta, with the lowest prices starting at $472 and $518, respectively. British Airways is priced at 27% lower than the current average price of a flight leaving 3 months from now.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Basel EuroAirport Swiss to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Basel EuroAirport Swiss to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $389). 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

Traveling to a place near Basel EuroAirport Swiss?

Book flights to Basel EuroAirport Swiss if you plan to visit one of these locations
Arlington
Alexandria
Fairfax
Springfield
Rockville
Tysons
Gaithersburg
Silver Spring
Fredericksburg
Linthicum Heights
Laurel
Falls Church
Woodbridge
Sterling
Easton
Herndon
Bowie
Reston
National Harbor
Oxon Hill

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Alternative routes for Basel to Dulles Intl

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