$126+ 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 12/20. Fares are subject to change and may not be available on all flights or dates of travel.
LSE — IAD
Nov 27 — Dec 41
Round-trip
1 adult, Economy
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Find cheap flights from La Crosse to Dulles Intl with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from La Crosse to Dulles Intl
Cheapest
Best
Last-minute
One-way
Cheapest flights from La Crosse to Dulles IntlExplore 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 October 28, 2026.
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 October 28, 2026.
This American Airlines deal was found by Cheapflights users on 10/23. 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.
Thu 11/266:01 am -
2 stops29h 52m
Tue 12/11:40 pm -
2 stops11h 40m
Deal found 10/23![American Airlines logo]()
$502
This American Airlines deal was found by Cheapflights users on 10/23. 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.
Wed 12/25:55 am -
2 stops9h 39m
Sun 12/69:40 am -
2 stops9h 41m
Deal found 10/23![American Airlines logo]()
$553
This Kiwi.com deal was found by Cheapflights users on 10/25. 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.
Thu 11/510:21 am -
1 stop23h 00m
Sun 11/89:48 am -
2 stops26h 48m
Deal found 10/25![Multiple Airlines logo]()
$691
This American Airlines deal was found by Cheapflights users on 10/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/112:24 pm -
2 stops10h 30m
Sat 11/711:48 am -
2 stops7h 28m
Deal found 10/24![American Airlines logo]()
$756
This American Airlines deal was found by Cheapflights users on 10/27. 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.
Fri 10/3012:23 pm -
2 stops10h 35m
Mon 11/210:44 am -
2 stops8h 32m
Deal found 10/27![American Airlines logo]()
$817
This American Airlines deal was found by Cheapflights users on 10/25. 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 11/165:57 am -
2 stops16h 02m
Wed 11/1810:44 am -
2 stops14h 34m
Deal found 10/25![American Airlines logo]()
$855
This American Airlines deal was found by Cheapflights users on 10/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2512:23 pm -
2 stops10h 35m
Sat 10/319:15 am -
2 stops10h 05m
Deal found 10/24![American Airlines logo]()
$862
Best flights from La Crosse to Dulles IntlDiscover carefully curated flight deals from La Crosse to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 28, 2026.
Discover carefully curated flight deals from La Crosse to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 28, 2026.
This American Airlines deal was found by Cheapflights users on 10/25. 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 12/25:55 am -
2 stops9h 39m
Sun 12/69:40 am -
2 stops9h 41m
Deal found 10/25![American Airlines logo]()
$553
This American Airlines deal was found by Cheapflights users on 10/23. 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.
Thu 11/266:01 am -
3 stops25h 58m
Tue 12/11:40 pm -
2 stops11h 40m
Deal found 10/23![American Airlines logo]()
$613
Last-minute flights from La Crosse to Dulles IntlDiscover last-minute flight deals from La Crosse to Dulles Intl. Data last updated October 28, 2026 and is based on user searches.
Discover last-minute flight deals from La Crosse to Dulles Intl. Data last updated October 28, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 10/27. 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.
Fri 10/3012:23 pm -
2 stops10h 35m
Mon 11/210:44 am -
2 stops8h 32m
Deal found 10/27![American Airlines logo]()
$817
This American Airlines deal was found by Cheapflights users on 10/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/112:24 pm -
2 stops10h 30m
Sat 11/711:48 am -
2 stops7h 28m
Deal found 10/24![American Airlines logo]()
$756
This Kiwi.com deal was found by Cheapflights users on 10/25. 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.
Thu 11/510:21 am -
1 stop23h 00m
Sun 11/89:48 am -
2 stops26h 48m
Deal found 10/25![Multiple Airlines logo]()
$691
This American Airlines deal was found by Cheapflights users on 10/25. 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 11/165:57 am -
2 stops16h 02m
Wed 11/1810:44 am -
2 stops14h 34m
Deal found 10/25![American Airlines logo]()
$855
This American Airlines deal was found by Cheapflights users on 10/23. 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.
Thu 11/266:01 am -
2 stops29h 52m
Tue 12/11:40 pm -
2 stops11h 40m
Deal found 10/23![American Airlines logo]()
$502
One-way flights from La Crosse to Dulles IntlSearch for one-way flight options from La Crosse to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated October 28, 2026.
Search for one-way flight options from La Crosse to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated October 28, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2011:39 am -
1 stop20h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Allegiant Air logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 10/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2011:39 am -
3 stops33h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Multiple Airlines logo]()
$217
This American Airlines deal was found by Cheapflights users on 10/26. 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 11/312:24 pm -
2 stops9h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![American Airlines logo]()
$523
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 October 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $502 (American Airlines) |
One-way from | $126 (Kiwi.com) |
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 7,457,451 searches. Data last updated October 28, 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
Cheapest round-trip
La CrosseWashington, D.C.
LSE La Crosse - IAD Washington, D.C. Dulles Intl
LSEIAD
La Crosse
Sun 12/20
11:39 am-9:36 am
1 stop20h 57m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$126
La CrosseWashington, D.C.
LSE La Crosse - IAD Washington, D.C. Dulles Intl
LSEIAD
La Crosse
Sun 12/20
11:39 am-10:14 pm
3 stops33h 35m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$217
Quickest round-trip
La CrosseWashington, D.C.
LSE La Crosse - IAD Washington, D.C. Dulles Intl
LSEIAD
La Crosse
Tue 11/3
12:24 pm-10:59 pm
2 stops9h 35m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$523
La CrosseWashington, D.C.
LSE La Crosse - IAD Washington, D.C. Dulles Intl
LSEIAD
La Crosse
Wed 12/2
5:55 am-4:34 pm
2 stops9h 39m
Washington, D.C. Dulles Intl
Sun 12/6
9:40 am-6:21 pm
2 stops9h 41m
$553
La CrosseWashington, D.C.
LSE La Crosse - IAD Washington, D.C. Dulles Intl
LSEIAD
La Crosse
Thu 11/26
6:01 am-8:59 am
3 stops25h 58m
Washington, D.C. Dulles Intl
Tue 12/1
1:40 pm-12:20 am
2 stops11h 40m
$613
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.
LSE-IAD
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.
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 locationsAlexandria
Chantilly
Woodbridge
Arlington
Owings Mills
Sterling
Lanham
Reston
Herndon
Hyattsville
Rockville
Springfield
Fredericksburg
Tysons
Falls Church
Towson
Silver Spring
Oxon Hill
Laurel
Clinton
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