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Dulles Intl

$546+ Cheap flights from La Crosse (LSE) 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 7/1. Fares are subject to change and may not be available on all flights or dates of travel.
LSE — IAD
Jul 11 — Jul 181
Sat 7/11
Sat 7/18
1 adult, Economy
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Cheap flight deals from La Crosse to Dulles Intl

Cheapest flights from La Crosse to Dulles Intl
Explore the most affordable flight options available from La Crosse to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 11, 2026.

This American Airlines deal was found by Cheapflights users on 6/8. 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.
Wed 7/111:52 am
LSE
-
IAD
2 stops11h 07m
American Airlines
Sun 7/55:03 am
IAD
-
LSE
2 stops7h 28m
American Airlines
Deal found 6/8$546
This American Airlines deal was found by Cheapflights users on 6/9. 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.
Wed 6/245:25 pm
LSE
-
IAD
2 stops18h 11m
American Airlines
Tue 7/288:22 pm
IAD
-
LSE
2 stops16h 09m
American Airlines
Deal found 6/9$607
This American Airlines deal was found by Cheapflights users on 6/8. 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.
Sat 7/255:41 pm
LSE
-
IAD
2 stops14h 25m
American Airlines
Wed 7/296:33 am
IAD
-
LSE
2 stops11h 50m
American Airlines
Deal found 6/8$657
This American Airlines deal was found by Cheapflights users on 6/8. 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 8/116:00 am
LSE
-
IAD
3 stops10h 04m
American Airlines
Sat 8/155:34 pm
IAD
-
LSE
2 stops7h 47m
American Airlines
Deal found 6/8$769
This American Airlines deal was found by Cheapflights users on 6/9. 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.
Wed 6/2411:52 am
LSE
-
IAD
2 stops11h 21m
American Airlines
Thu 6/259:20 am
IAD
-
LSE
2 stops8h 32m
American Airlines
Deal found 6/9$1,205

Find flight deals from La Crosse to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from La Crosse (LSE) 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 June 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$546
(American Airlines)
Provider with most accurate pricing for La Crosse-Washington, D.C. Dulles Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for La Crosse-Washington, D.C. Dulles Intl flights.
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From La Crosse to Washington, D.C. Dulles Intl
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Cheapflights Fare Finder

 
Customize your flight search to find flights from La Crosse 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 June 11, 2026.
Use the filters below to find and compare flights from La Crosse to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

La CrosseWashington, D.C.

LSE - IAD

LSEIAD

La Crosse

Wed 7/1

11:52 am-11:59 pm

2 stops11h 07m

Washington, D.C. Dulles Intl

Sun 7/5

5:03 am-11:31 am

2 stops7h 28m

$546

La CrosseWashington, D.C.

LSE - IAD

LSEIAD

La Crosse

Sat 7/25

5:41 pm-9:06 am

2 stops14h 25m

Washington, D.C. Dulles Intl

Wed 7/29

6:33 am-5:23 pm

2 stops11h 50m

$657
Quickest round-trip

La CrosseWashington, D.C.

LSE - IAD

LSEIAD

La Crosse

Tue 8/11

6:00 am-5:04 pm

3 stops10h 04m

Washington, D.C. Dulles Intl

Sat 8/15

5:34 pm-12:21 am

2 stops7h 47m

$769

La CrosseWashington, D.C.

LSE - IAD

LSEIAD

La Crosse

Wed 6/24

11:52 am-12:13 am

2 stops11h 21m

Washington, D.C. Dulles Intl

Thu 6/25

9:20 am-4:52 pm

2 stops8h 32m

$1,205

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/8

Sorted by cheapest first
  • Most accurate provider: When it comes to deals on La Crosse-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 La Crosse-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from La Crosse-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 La Crosse-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 La Crosse-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 La Crosse to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from La Crosse 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.

Related info for your journey

Find useful and relevant information for your journey from La Crosse 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 La Crosse to Washington, D.C. Dulles Intl?

    For a flight from La Crosse to Washington, D.C. Dulles Intl, you will be flying from La Crosse. La Crosse (LSE) is just 5.4 mi from the center of the city. La Crosse is the only La Crosse airport and it handles 0 outbound flights to Washington, D.C. Dulles Intl per day. 0 airlines have flights to Washington, D.C. Dulles Intl from La Crosse on a regular basis.

  • How long is the flight from La Crosse to Washington, D.C. Dulles Intl Airport?

    A quick flight from La Crosse to Washington, D.C. Dulles Intl Airport can take about 11h 07m. American Airlines provides one of the quickest options available for as low as $546. Airlines will cover a distance of 790 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from La Crosse 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.

See more FAQs

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Tysons
Owings Mills
Springfield
Arlington
Reston
Rockville
Herndon
Fredericksburg
Laurel
Hyattsville
Manassas
Hanover
Chantilly
Lanham
Falls Church
Waldorf
Silver Spring
Largo
Clinton

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