$188+ Cheap flights from La Crosse (LSE) to Dulles Intl (IAD)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
LSE — IAD
Aug 30 — Sep 61
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
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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 July 31, 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 July 31, 2026.
This American Airlines deal was found by Cheapflights users on 7/26. 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.
Sat 8/223:14 pm
LSE
- IAD
2 stops6h 41m
American Airlines
Tue 9/11:23 pm
IAD
- LSE
2 stops11h 59m
American Airlines
Deal found 7/26![American Airlines logo]()
$327
This American Airlines deal was found by Cheapflights users on 7/30. 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 8/2912:24 pm
LSE
- IAD
2 stops9h 31m
American Airlines
Sat 9/56:33 am
IAD
- LSE
2 stops9h 09m
American Airlines
Deal found 7/30![American Airlines logo]()
$372
This American Airlines deal was found by Cheapflights users on 7/26. 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.
Fri 8/2112:01 pm
LSE
- IAD
2 stops9h 54m
American Airlines
Tue 9/11:23 pm
IAD
- LSE
2 stops11h 59m
American Airlines
Deal found 7/26![American Airlines logo]()
$421
This American Airlines deal was found by Cheapflights users on 7/28. 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 8/112:01 pm
LSE
- IAD
2 stops11h 13m
American Airlines
Mon 8/35:03 am
IAD
- LSE
2 stops7h 28m
American Airlines
Deal found 7/28![American Airlines logo]()
$457
This American Airlines deal was found by Cheapflights users on 7/26. 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.
Fri 9/115:22 pm
LSE
- IAD
2 stops15h 33m
American Airlines
Sun 9/135:01 am
IAD
- LSE
2 stops7h 21m
American Airlines
Deal found 7/26![American Airlines logo]()
$513
This American Airlines deal was found by Cheapflights users on 7/28. 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 9/245:22 pm
LSE
- IAD
2 stops15h 33m
American Airlines
Mon 9/286:15 pm
IAD
- LSE
2 stops18h 07m
American Airlines
Deal found 7/28![American Airlines logo]()
$544
This American Airlines deal was found by Cheapflights users on 7/27. 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 10/236:50 pm
LSE
- IAD
2 stops17h 01m
American Airlines
Sun 10/257:15 pm
IAD
- LSE
2 stops17h 38m
American Airlines
Deal found 7/27![American Airlines logo]()
$550
This American Airlines deal was found by Cheapflights users on 7/26. 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.
Sun 8/2311:53 am
LSE
- IAD
2 stops10h 56m
American Airlines
Tue 9/17:57 am
IAD
- LSE
2 stops17h 25m
American Airlines
Deal found 7/26![American Airlines logo]()
$555
This American Airlines deal was found by Cheapflights users on 7/28. 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 8/126:00 am
LSE
- IAD
3 stops10h 04m
American Airlines
Sun 8/165:08 am
IAD
- LSE
2 stops7h 15m
American Airlines
Deal found 7/28![American Airlines logo]()
$809
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 July 31, 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 July 31, 2026.
This American Airlines deal was found by Cheapflights users on 7/30. 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 8/2912:24 pm
LSE
- IAD
2 stops9h 31m
American Airlines
Sat 9/56:33 am
IAD
- LSE
2 stops9h 09m
American Airlines
Deal found 7/30![American Airlines logo]()
$372
This American Airlines deal was found by Cheapflights users on 7/27. 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 8/2112:01 pm
LSE
- IAD
2 stops9h 54m
American Airlines
Tue 9/11:23 pm
IAD
- LSE
2 stops11h 59m
American Airlines
Deal found 7/27![American Airlines logo]()
$421
This American Airlines deal was found by Cheapflights users on 7/28. 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 8/1212:01 pm
LSE
- IAD
2 stops9h 54m
American Airlines
Sun 8/165:08 am
IAD
- LSE
2 stops7h 15m
American Airlines
Deal found 7/28![American Airlines logo]()
$457
This American Airlines deal was found by Cheapflights users on 7/26. 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.
Fri 9/115:22 pm
LSE
- IAD
2 stops15h 33m
American Airlines
Sun 9/135:01 am
IAD
- LSE
2 stops7h 21m
American Airlines
Deal found 7/26![American Airlines logo]()
$513
This American Airlines deal was found by Cheapflights users on 7/26. 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.
Sun 8/2311:53 am
LSE
- IAD
2 stops10h 56m
American Airlines
Tue 9/17:57 am
IAD
- LSE
2 stops17h 25m
American Airlines
Deal found 7/26![American Airlines logo]()
$555
This American Airlines deal was found by Cheapflights users on 7/28. 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 9/2412:26 pm
LSE
- IAD
3 stops9h 25m
American Airlines
Mon 9/286:15 pm
IAD
- LSE
2 stops18h 07m
American Airlines
Deal found 7/28![American Airlines logo]()
$816
This American Airlines deal was found by Cheapflights users on 7/27. 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 10/2312:23 pm
LSE
- IAD
3 stops10h 35m
American Airlines
Sun 10/255:01 am
IAD
- LSE
2 stops7h 52m
American Airlines
Deal found 7/27![American Airlines logo]()
$896
Last-minute flights from La Crosse to Dulles IntlDiscover last-minute flight deals from La Crosse to Dulles Intl. Data last updated July 31, 2026 and is based on user searches.
Discover last-minute flight deals from La Crosse to Dulles Intl. Data last updated July 31, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 7/28. 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 8/112:01 pm
LSE
- IAD
2 stops11h 13m
American Airlines
Mon 8/35:03 am
IAD
- LSE
2 stops7h 28m
American Airlines
Deal found 7/28![American Airlines logo]()
$457
This American Airlines deal was found by Cheapflights users on 7/28. 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 8/126:00 am
LSE
- IAD
3 stops10h 04m
American Airlines
Sun 8/165:08 am
IAD
- LSE
2 stops7h 15m
American Airlines
Deal found 7/28![American Airlines logo]()
$809
This American Airlines deal was found by Cheapflights users on 7/26. 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.
Fri 8/2112:01 pm
LSE
- IAD
2 stops9h 54m
American Airlines
Tue 9/11:23 pm
IAD
- LSE
2 stops11h 59m
American Airlines
Deal found 7/26![American Airlines logo]()
$421
This American Airlines deal was found by Cheapflights users on 7/26. 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.
Sat 8/223:14 pm
LSE
- IAD
2 stops6h 41m
American Airlines
Tue 9/11:23 pm
IAD
- LSE
2 stops11h 59m
American Airlines
Deal found 7/26![American Airlines logo]()
$327
This American Airlines deal was found by Cheapflights users on 7/26. 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.
Sun 8/2311:53 am
LSE
- IAD
2 stops10h 56m
American Airlines
Tue 9/17:57 am
IAD
- LSE
2 stops17h 25m
American Airlines
Deal found 7/26![American Airlines logo]()
$555
This American Airlines deal was found by Cheapflights users on 7/30. 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 8/2912:24 pm
LSE
- IAD
2 stops9h 31m
American Airlines
Sat 9/56:33 am
IAD
- LSE
2 stops9h 09m
American Airlines
Deal found 7/30![American Airlines logo]()
$372
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 July 31, 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 July 31, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 10/411:06 am
LSE
- IAD
2 stops29h 50m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$188
This American Airlines deal was found by Cheapflights users on 7/29. 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 10/137:04 am
LSE
- IAD
2 stops9h 41m
American Airlines
Deal found 7/29![American Airlines logo]()
$500
This Qatar Airways deal was found by Cheapflights users on 7/28. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/56:00 am
LSE
- IAD
2 stops56h 40m
Qatar Airways
Deal found 7/28![Qatar Airways logo]()
$17,346
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 July 31, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $327 (American Airlines) |
One-way from | $188 (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 2,558,603 searches. Data last updated July 31, 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 - IAD
LSEIAD
La Crosse
Sat 8/29
12:24 pm-10:55 pm
2 stops9h 31m
Washington, D.C. Dulles Intl
Sat 9/5
6:33 am-2:42 pm
2 stops9h 09m
$372
La CrosseWashington, D.C.
LSE - IAD
LSEIAD
La Crosse
Fri 8/21
12:01 pm-10:55 pm
2 stops9h 54m
Washington, D.C. Dulles Intl
Tue 9/1
1:23 pm-12:22 am
2 stops11h 59m
$421
Quickest round-trip
La CrosseWashington, D.C.
LSE - IAD
LSEIAD
La Crosse
Wed 8/12
12:01 pm-10:55 pm
2 stops9h 54m
Washington, D.C. Dulles Intl
Sun 8/16
5:08 am-11:23 am
2 stops7h 15m
$457
La CrosseWashington, D.C.
LSE - IAD
LSEIAD
La Crosse
Fri 9/11
5:22 pm-9:55 am
2 stops15h 33m
Washington, D.C. Dulles Intl
Sun 9/13
5:01 am-11:22 am
2 stops7h 21m
$513
La CrosseWashington, D.C.
LSE - IAD
LSEIAD
La Crosse
Sun 8/23
11:53 am-11:49 pm
2 stops10h 56m
Washington, D.C. Dulles Intl
Tue 9/1
7:57 am-12:22 am
2 stops17h 25m
$555
La CrosseWashington, D.C.
LSE - IAD
LSEIAD
La Crosse
Thu 9/24
12:26 pm-10:51 pm
3 stops9h 25m
Washington, D.C. Dulles Intl
Mon 9/28
6:15 pm-11:22 am
2 stops18h 07m
$816
La CrosseWashington, D.C.
LSE - IAD
LSEIAD
La Crosse
Fri 10/23
12:23 pm-11:58 pm
3 stops10h 35m
Washington, D.C. Dulles Intl
Sun 10/25
5:01 am-11:53 am
2 stops7h 52m
$896
Cheapest one-way
La CrosseWashington, D.C.
LSE - IAD
LSEIAD
La Crosse
Sun 10/4
11:06 am-5:56 pm
2 stops29h 50m
$188
Quickest one-way
La CrosseWashington, D.C.
LSE - IAD
LSEIAD
La Crosse
Tue 10/13
7:04 am-5:45 pm
2 stops9h 41m
$500
La CrosseWashington, D.C.
LSE - IAD
LSEIAD
La Crosse
Wed 8/5
6:00 am-3:40 pm
2 stops56h 40m
$17,346
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
Owings Mills
Arlington
Tysons
Springfield
Lanham
Reston
Herndon
Rockville
Chantilly
Hyattsville
Fredericksburg
Falls Church
Hanover
Laurel
Sterling
Clinton
Hunt Valley
Cordova
Woodbridge
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