$204+ 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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
LSE — IAD
maj 28 — juni 41
Round-trip
1 adult, Economy
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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
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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 april 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 april 28, 2026.
This United Airlines deal was found by Cheapflights users on 4/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lør. 6/279:43 am
LSE
- IAD
1 stop5h 43m
United Airlines
lør. 7/48:15 am
IAD
- LSE
1 stop5h 50m
United Airlines
Deal found 4/27![United Airlines logo]()
$359
This United Airlines deal was found by Cheapflights users on 4/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tir. 6/306:15 am
LSE
- IAD
1 stop4h 37m
United Airlines
lør. 7/48:15 am
IAD
- LSE
1 stop5h 50m
United Airlines
Deal found 4/23![United Airlines logo]()
$448
This American Airlines deal was found by Cheapflights users on 4/27. 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.
ons. 5/209:54 am
LSE
- IAD
2 stops8h 31m
American Airlines
søn. 5/241:06 pm
IAD
- LSE
2 stops12h 00m
American Airlines
Deal found 4/27![American Airlines logo]()
$459
This American Airlines deal was found by Cheapflights users on 4/27. 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.
lør. 6/2711:37 am
LSE
- IAD
2 stops11h 36m
American Airlines
lør. 7/48:50 am
IAD
- LSE
2 stops9h 21m
American Airlines
Deal found 4/27![American Airlines logo]()
$464
This United Airlines deal was found by Cheapflights users on 4/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tor. 7/166:15 am
LSE
- IAD
1 stop6h 53m
United Airlines
søn. 7/198:15 am
IAD
- LSE
1 stop5h 50m
United Airlines
Deal found 4/27![United Airlines logo]()
$519
This American Airlines deal was found by Cheapflights users on 4/27. 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.
ons. 5/206:36 pm
LSE
- IAD
2 stops13h 24m
American Airlines
man. 5/258:22 pm
IAD
- LSE
2 stops16h 00m
American Airlines
Deal found 4/27![American Airlines logo]()
$535
This American Airlines deal was found by Cheapflights users on 4/25. 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.
tor. 10/1511:18 am
LSE
- IAD
2 stops11h 28m
American Airlines
man. 10/198:25 pm
IAD
- LSE
2 stops13h 58m
American Airlines
Deal found 4/25![American Airlines logo]()
$563
This United Airlines deal was found by Cheapflights users on 4/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tor. 10/156:15 am
LSE
- IAD
1 stop4h 28m
United Airlines
man. 10/1910:10 pm
IAD
- LSE
1 stop11h 46m
United Airlines
Deal found 4/25![United Airlines logo]()
$592
This American Airlines deal was found by Cheapflights users on 4/23. 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.
tor. 5/145:40 am
LSE
- IAD
2 stops17h 19m
American Airlines
man. 5/188:11 pm
IAD
- LSE
2 stops14h 13m
American Airlines
Deal found 4/23![American Airlines logo]()
$597
This United Airlines deal was found by Cheapflights users on 4/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tor. 9/178:15 pm
LSE
- IAD
1 stop12h 13m
United Airlines
søn. 9/208:15 am
IAD
- LSE
1 stop5h 50m
United Airlines
Deal found 4/23![United Airlines logo]()
$612
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 april 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 april 28, 2026.
This United Airlines deal was found by Cheapflights users on 4/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lør. 6/279:43 am
LSE
- IAD
1 stop5h 43m
United Airlines
lør. 7/48:15 am
IAD
- LSE
1 stop5h 50m
United Airlines
Deal found 4/27![United Airlines logo]()
$359
This American Airlines deal was found by Cheapflights users on 4/27. 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.
lør. 6/2711:37 am
LSE
- IAD
2 stops11h 36m
American Airlines
lør. 7/48:50 am
IAD
- LSE
2 stops9h 21m
American Airlines
Deal found 4/27![American Airlines logo]()
$464
This United Airlines deal was found by Cheapflights users on 4/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tir. 6/306:15 am
LSE
- IAD
1 stop4h 37m
United Airlines
lør. 7/48:15 am
IAD
- LSE
1 stop5h 50m
United Airlines
Deal found 4/23![United Airlines logo]()
$448
This American Airlines deal was found by Cheapflights users on 4/25. 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.
tor. 10/1511:18 am
LSE
- IAD
2 stops11h 28m
American Airlines
man. 10/198:25 pm
IAD
- LSE
2 stops13h 58m
American Airlines
Deal found 4/25![American Airlines logo]()
$563
This United Airlines deal was found by Cheapflights users on 4/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tor. 7/166:15 am
LSE
- IAD
1 stop6h 53m
United Airlines
søn. 7/198:15 am
IAD
- LSE
1 stop5h 50m
United Airlines
Deal found 4/27![United Airlines logo]()
$519
This American Airlines deal was found by Cheapflights users on 4/27. 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.
tor. 5/145:40 am
LSE
- IAD
2 stops17h 19m
American Airlines
man. 5/188:11 pm
IAD
- LSE
2 stops14h 13m
American Airlines
Deal found 4/27![American Airlines logo]()
$674
This United Airlines deal was found by Cheapflights users on 4/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tor. 9/178:15 am
LSE
- IAD
1 stop4h 40m
United Airlines
søn. 9/208:15 am
IAD
- LSE
1 stop5h 50m
United Airlines
Deal found 4/23![United Airlines logo]()
$631
Last-minute flights from La Crosse to Dulles IntlDiscover last-minute flight deals from La Crosse to Dulles Intl. Data last updated april 28, 2026 and is based on user searches.
Discover last-minute flight deals from La Crosse to Dulles Intl. Data last updated april 28, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 4/23. 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.
man. 4/2710:05 am
LSE
- IAD
2 stops8h 20m
American Airlines
ons. 4/293:17 pm
IAD
- LSE
2 stops9h 37m
American Airlines
Deal found 4/23![American Airlines logo]()
$1,091
This American Airlines deal was found by Cheapflights users on 4/24. 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.
man. 5/410:05 am
LSE
- IAD
2 stops12h 54m
American Airlines
fre. 5/88:11 pm
IAD
- LSE
2 stops14h 13m
American Airlines
Deal found 4/24![American Airlines logo]()
$837
This American Airlines deal was found by Cheapflights users on 4/23. 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.
fre. 5/85:40 am
LSE
- IAD
2 stops8h 11m
American Airlines
tir. 5/1210:32 am
IAD
- LSE
2 stops8h 34m
American Airlines
Deal found 4/23![American Airlines logo]()
$939
This American Airlines deal was found by Cheapflights users on 4/23. 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.
tor. 5/145:40 am
LSE
- IAD
2 stops17h 19m
American Airlines
man. 5/188:11 pm
IAD
- LSE
2 stops14h 13m
American Airlines
Deal found 4/23![American Airlines logo]()
$597
This American Airlines deal was found by Cheapflights users on 4/27. 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.
ons. 5/209:54 am
LSE
- IAD
2 stops8h 31m
American Airlines
søn. 5/241:06 pm
IAD
- LSE
2 stops12h 00m
American Airlines
Deal found 4/27![American Airlines logo]()
$459
This American Airlines deal was found by Cheapflights users on 4/27. 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.
ons. 5/206:36 pm
LSE
- IAD
2 stops13h 24m
American Airlines
man. 5/258:22 pm
IAD
- LSE
2 stops16h 00m
American Airlines
Deal found 4/27![American Airlines logo]()
$535
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 april 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 april 28, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
søn. 8/911:11 am
LSE
- IAD
2 stops29h 53m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$204
This United Airlines deal was found by Cheapflights users on 4/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
søn. 8/96:15 am
LSE
- IAD
1 stop4h 37m
United Airlines
Deal found 4/26![United Airlines logo]()
$273
This United Airlines deal was found by Cheapflights users on 4/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
man. 8/106:15 am
LSE
- IAD
1 stop4h 37m
United Airlines
Deal found 4/26![United Airlines logo]()
$302
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
man. 8/108:10 pm
LSE
- IAD
2 stops41h 07m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$317
This American Airlines deal was found by Cheapflights users on 4/26. 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.
lør. 5/169:54 am
LSE
- IAD
2 stops8h 39m
American Airlines
Deal found 4/26![American Airlines logo]()
$364
This American Airlines deal was found by Cheapflights users on 4/27. 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.
ons. 5/135:40 am
LSE
- IAD
2 stops8h 07m
American Airlines
Deal found 4/27![American Airlines logo]()
$564
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 april 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $448 (United Airlines) |
One-way from | $162 (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 april 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 - IAD
LSEIAD
La Crosse
lør. 6/27
9:43 am-4:26 pm
1 stop5h 43m
Washington, D.C. Dulles Intl
lør. 7/4
8:15 am-1:05 pm
1 stop5h 50m
$359
Quickest round-trip
La CrosseWashington, D.C.
LSE - IAD
LSEIAD
La Crosse
tir. 6/30
6:15 am-11:52 am
1 stop4h 37m
Washington, D.C. Dulles Intl
lør. 7/4
8:15 am-1:05 pm
1 stop5h 50m
$448
La CrosseWashington, D.C.
LSE - IAD
LSEIAD
La Crosse
lør. 6/27
11:37 am-12:13 am
2 stops11h 36m
Washington, D.C. Dulles Intl
lør. 7/4
8:50 am-5:11 pm
2 stops9h 21m
$464
La CrosseWashington, D.C.
LSE - IAD
LSEIAD
La Crosse
tor. 7/16
6:15 am-2:08 pm
1 stop6h 53m
Washington, D.C. Dulles Intl
søn. 7/19
8:15 am-1:05 pm
1 stop5h 50m
$519
La CrosseWashington, D.C.
LSE - IAD
LSEIAD
La Crosse
tor. 10/15
11:18 am-11:46 pm
2 stops11h 28m
Washington, D.C. Dulles Intl
man. 10/19
8:25 pm-9:23 am
2 stops13h 58m
$563
La CrosseWashington, D.C.
LSE - IAD
LSEIAD
La Crosse
tor. 9/17
8:15 am-1:55 pm
1 stop4h 40m
Washington, D.C. Dulles Intl
søn. 9/20
8:15 am-1:05 pm
1 stop5h 50m
$631
La CrosseWashington, D.C.
LSE - IAD
LSEIAD
La Crosse
tor. 5/14
5:40 am-11:59 pm
2 stops17h 19m
Washington, D.C. Dulles Intl
man. 5/18
8:11 pm-9:24 am
2 stops14h 13m
$674
Cheapest one-way
Quickest one-way
La CrosseWashington, D.C.
LSE - IAD
LSEIAD
La Crosse
man. 8/10
6:15 am-11:52 am
1 stop4h 37m
$302
La CrosseWashington, D.C.
LSE - IAD
LSEIAD
La Crosse
man. 8/10
8:10 pm-2:17 pm
2 stops41h 07m
$317
La CrosseWashington, D.C.
LSE - IAD
LSEIAD
La Crosse
lør. 5/16
9:54 am-7:33 pm
2 stops8h 39m
$364
Showing 1-10 of 12 resultsSorted 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
Tysons
Owings Mills
Springfield
Arlington
Silver Spring
Herndon
Rockville
Hyattsville
Manassas
Fredericksburg
Woodbridge
Hanover
Laurel
Largo
Upper Marlboro
Waldorf
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Hunt Valley
Cordova
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