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La Crosse

$449+ Cheap flights from Dulles Intl (IAD) to La Crosse (LSE)

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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — LSE
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Dulles Intl to La Crosse

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to La Crosse (LSE). 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 September 11, 2025.

Round-trip from

$449
(American Airlines)

Popular in

March

Cheapest in

May
From Washington, D.C. Dulles Intl to La Crosse
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($94 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($29 potential savings vs. average RT price).
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Find flight deals from Dulles Intl to La Crosse

Cheapest flights from Dulles Intl to La Crosse
Explore the most affordable flight options available from Dulles Intl to La Crosse. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This American Airlines deal was found by Cheapflights users on 9/10. 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 10/212:18 pmIAD - LSE
2 stops10h 08mAmerican Airlines
Sat 10/2510:54 amLSE - IAD
2 stops7h 51mAmerican Airlines
Deal found 9/10$449
This American Airlines deal was found by Cheapflights users on 9/10. 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 10/142:18 pmIAD - LSE
2 stops10h 08mAmerican Airlines
Tue 10/2110:54 amLSE - IAD
2 stops7h 00mAmerican Airlines
Deal found 9/10$519
This American Airlines deal was found by Cheapflights users on 9/10. 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 10/21:53 pmIAD - LSE
2 stops10h 24mAmerican Airlines
Mon 10/610:54 amLSE - IAD
2 stops7h 51mAmerican Airlines
Deal found 9/10$549
This American Airlines deal was found by Cheapflights users on 9/10. 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 9/1611:18 amIAD - LSE
2 stops7h 33mAmerican Airlines
Fri 9/196:30 pmLSE - IAD
2 stops18h 19mAmerican Airlines
Deal found 9/10$849
This American Airlines deal was found by Cheapflights users on 9/10. 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 9/152:21 pmIAD - LSE
2 stops9h 56mAmerican Airlines
Thu 9/186:00 amLSE - IAD
2 stops9h 38mAmerican Airlines
Deal found 9/10$951

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to La Crosse 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 September 11, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to La Crosse that are best for you.

Fly from

Dulles Intl

Fly to

La Crosse

Route

Depart

Return

Price

Washington, D.C.La Crosse

IAD - LSE

IADLSE

Washington, D.C. Dulles Intl

Tue 10/21

2:18 pm-11:26 pm

2 stops10h 08m

La Crosse

Sat 10/25

10:54 am-7:45 pm

2 stops7h 51m

$449

Washington, D.C.La Crosse

IAD - LSE

IADLSE

Washington, D.C. Dulles Intl

Tue 10/14

2:18 pm-11:26 pm

2 stops10h 08m

La Crosse

Wed 10/22

6:00 am-1:48 pm

2 stops6h 48m

$519

Washington, D.C.La Crosse

IAD - LSE

IADLSE

Washington, D.C. Dulles Intl

Tue 10/14

2:18 pm-11:26 pm

2 stops10h 08m

La Crosse

Sat 10/18

10:54 am-7:45 pm

2 stops7h 51m

$519

Washington, D.C.La Crosse

IAD - LSE

IADLSE

Washington, D.C. Dulles Intl

Wed 12/10

7:55 am-3:30 pm

2 stops8h 35m

La Crosse

Sat 12/13

10:00 am-7:31 pm

2 stops8h 31m

$519

Washington, D.C.La Crosse

IAD - LSE

IADLSE

Washington, D.C. Dulles Intl

Tue 10/14

2:18 pm-11:26 pm

2 stops10h 08m

La Crosse

Tue 10/21

10:54 am-6:54 pm

2 stops7h 00m

$519

Washington, D.C.La Crosse

IAD - LSE

IADLSE

Washington, D.C. Dulles Intl

Thu 10/2

1:53 pm-11:17 pm

2 stops10h 24m

La Crosse

Mon 10/6

10:54 am-7:45 pm

2 stops7h 51m

$549

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Best time to book a flight from Dulles Intl to La Crosse

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

Related info for your journey

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

    Most people fly into La Crosse (LSE) if they book a flight to La Crosse from Washington, D.C. Dulles Intl. On average, La Crosse has 0 inbound flights from Washington, D.C. Dulles Intl per day from 0 airlines. La Crosse is conveniently located just 5.4 mi from La Crosse’s city center.

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

    A quick flight from Washington, D.C. Dulles Intl Airport to La Crosse can take about 10h 08m. American Airlines provides one of the quickest options available for as low as $449. There are 790 mi between Washington, D.C. Dulles Intl Airport and La Crosse.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl to La Crosse 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 La Crosse?

Book flights to La Crosse if you plan to visit one of these locations
Winona
Decorah

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