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Cheap flights from Washington, D.C. Dulles Intl Airport to La Crosse from $429

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to La Crosse departing on 12/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to La Crosse

Cheap round-trip flights

American Airlines Logo
2:16 pm - 10:03 pmIAD-LSE
8h 47m2 stops
American Airlines Logo
10:00 am - 7:31 pmLSE-IAD
8h 31m2 stops
$519American Airlines
Find Deal
Wed, Dec 10 - Sat, Dec 13
American Airlines Logo
6:44 am - 5:43 pmIAD-LSE
11h 59m2 stops
American Airlines Logo
9:50 am - 7:20 pmLSE-IAD
8h 30m2 stops
$576American Airlines
Find Deal
Sat, Nov 22 - Fri, Nov 28
American Airlines Logo
2:18 pm - 11:26 pmIAD-LSE
10h 08m2 stops
American Airlines Logo
10:54 am - 7:45 pmLSE-IAD
7h 51m2 stops
$583American Airlines
Find Deal
Tue, Oct 21 - Sat, Oct 25
American Airlines Logo
10:25 am - 11:26 pmIAD-LSE
14h 01m2 stops
American Airlines Logo
6:00 am - 7:45 pmLSE-IAD
12h 45m2 stops
$594American Airlines
Find Deal
Tue, Oct 21 - Sat, Oct 25
American Airlines Logo
6:44 am - 5:43 pmIAD-LSE
11h 59m2 stops
American Airlines Logo
9:50 am - 11:59 pmLSE-IAD
13h 09m3 stops
$682American Airlines
Find Deal
Sat, Nov 22 - Fri, Nov 28
American Airlines Logo
9:12 am - 5:43 pmIAD-LSE
9h 31m2 stops
American Airlines Logo
9:50 am - 7:20 pmLSE-IAD
8h 30m2 stops
$715American Airlines
Find Deal
Wed, Nov 26 - Mon, Dec 1
American Airlines Logo
6:44 am - 5:43 pmIAD-LSE
11h 59m2 stops
American Airlines Logo
9:50 am - 7:37 pmLSE-IAD
8h 47m2 stops
$746American Airlines
Find Deal
Sat, Nov 22 - Sat, Nov 29
American Airlines Logo
6:44 am - 5:43 pmIAD-LSE
11h 59m3 stops
American Airlines Logo
9:50 am - 11:59 pmLSE-IAD
13h 09m3 stops
$806American Airlines
Find Deal
Sat, Nov 22 - Fri, Nov 28
American Airlines Logo
9:12 am - 5:43 pmIAD-LSE
9h 31m2 stops
American Airlines Logo
6:00 am - 7:37 pmLSE-IAD
12h 37m2 stops
$807American Airlines
Find Deal
Sat, Nov 22 - Sat, Nov 29
American Airlines Logo
6:34 am - 11:26 pmIAD-LSE
17h 52m2 stops
American Airlines Logo
6:15 pm - 9:55 amLSE-IAD
14h 40m2 stops
$811American Airlines
Find Deal
Fri, Oct 10 - Tue, Oct 14

American Airlines flights from Washington, D.C. Dulles Intl Airport to La Crosse

Our best American Airlines deals on Washington, D.C. Dulles Intl Airport to La Crosse flight tickets
American Airlines
Dec 10
IAD2:16 pmWashington, D.C. Dulles Intl
8h 47m
2 stops
LSE10:03 pmLa Crosse
Dec 13
LSE10:00 amLa Crosse
8h 31m
2 stops
IAD7:31 pmWashington, D.C. Dulles Intl
$519
Find similar
American Airlines
Nov 22
IAD6:44 amWashington, D.C. Dulles Intl
11h 59m
2 stops
LSE5:43 pmLa Crosse
Nov 28
LSE9:50 amLa Crosse
8h 30m
2 stops
IAD7:20 pmWashington, D.C. Dulles Intl
$576
Find similar
American Airlines
Oct 21
IAD2:18 pmWashington, D.C. Dulles Intl
10h 08m
2 stops
LSE11:26 pmLa Crosse
Oct 25
LSE10:54 amLa Crosse
7h 51m
2 stops
IAD7:45 pmWashington, D.C. Dulles Intl
$583
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport 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, momondo users made 832,500 searches. Data last updated September 25, 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

Fly to

Route

Depart

Return

Price

Washington, D.C.La Crosse

IAD - LSE

IADLSE

Washington, D.C. Dulles Intl

Wed 12/10

2:16 pm-10:03 pm

2 stops8h 47m

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

Sat 11/22

6:44 am-5:43 pm

2 stops11h 59m

La Crosse

Fri 11/28

9:50 am-7:20 pm

2 stops8h 30m

$576

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

$583

Washington, D.C.La Crosse

IAD - LSE

IADLSE

Washington, D.C. Dulles Intl

Tue 10/21

10:25 am-11:26 pm

2 stops14h 01m

La Crosse

Sat 10/25

6:00 am-7:45 pm

2 stops12h 45m

$594

Washington, D.C.La Crosse

IAD - LSE

IADLSE

Washington, D.C. Dulles Intl

Sat 11/22

6:44 am-5:43 pm

2 stops11h 59m

La Crosse

Fri 11/28

9:50 am-11:59 pm

3 stops13h 09m

$682

Washington, D.C.La Crosse

IAD - LSE

IADLSE

Washington, D.C. Dulles Intl

Wed 11/26

9:12 am-5:43 pm

2 stops9h 31m

La Crosse

Mon 12/1

9:50 am-7:20 pm

2 stops8h 30m

$715

Washington, D.C.La Crosse

IAD - LSE

IADLSE

Washington, D.C. Dulles Intl

Sat 11/22

6:44 am-5:43 pm

2 stops11h 59m

La Crosse

Sat 11/29

9:50 am-7:37 pm

2 stops8h 47m

$746

Washington, D.C.La Crosse

IAD - LSE

IADLSE

Washington, D.C. Dulles Intl

Sat 11/22

6:44 am-5:43 pm

3 stops11h 59m

La Crosse

Fri 11/28

9:50 am-11:59 pm

3 stops13h 09m

$806

Washington, D.C.La Crosse

IAD - LSE

IADLSE

Washington, D.C. Dulles Intl

Sat 11/22

9:12 am-5:43 pm

2 stops9h 31m

La Crosse

Sat 11/29

6:00 am-7:37 pm

2 stops12h 37m

$807

Washington, D.C.La Crosse

IAD - LSE

IADLSE

Washington, D.C. Dulles Intl

Fri 10/10

6:34 am-11:26 pm

2 stops17h 52m

La Crosse

Tue 10/14

6:15 pm-9:55 am

2 stops14h 40m

$811

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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See travel insights to La Crosse from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to La Crosse

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to La Crosse?

The cheapest day to depart from Washington, D.C. Dulles Intl Airport to La Crosse is on a Wednesday when prices can be found for as low as $570. The most expensive day to fly to La Crosse is Sunday, with ticket prices averaging around $634.

What is the cheapest time of day to depart on your flight to La Crosse?

According to our data, the cheapest time of day to fly to La Crosse is in the morning. momondo users have found flights departing from Washington, D.C. Dulles Intl Airport to La Crosse in the morning for as low as $570. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the afternoon is when there is more demand to fly to La Crosse, so prices are often more expensive at around $615 per ticket.

When to book flights from Washington, D.C. Dulles Intl Airport to La Crosse

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to La Crosse according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Dulles Intl Airport to La Crosse (IAD to LSE) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to La Crosse

Direct flights

None
There are no direct flights from Washington, D.C. Dulles Intl Airport to La Crosse. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to La Crosse.
Search flight deals

  • How far is Washington, D.C. Dulles Intl to La Crosse by plane?

    A flight from Washington, D.C. Dulles Intl to La Crosse will travel around 787.8 mi. In terms of flight time, this usually takes a little over 6h 45m.

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to La Crosse Airport?

    Prices for flights from Washington, D.C. Dulles Intl Airport to La Crosse Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to La Crosse Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to La Crosse Airport.

  • What documentation or ID do you need to fly to La Crosse Airport?

    The required travel and health documents for your La Crosse Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at La Crosse Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near La Crosse?

Book flights to La Crosse if you plan to visit one of these locations
Winona
Onalaska
Decorah
Lansing
Harpers Ferry

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to La Crosse?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to La Crosse from Washington, D.C..

Can I find flights from Washington, D.C. to La Crosse with flexible booking policies on momondo?

Yes. All flights to La Crosse from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Washington, D.C. to La Crosse?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to La Crosse from Washington, D.C..

I’m not ready to book a flight from Washington, D.C. to La Crosse right now. Can momondo alert me if prices change?

Price alerts on flights to La Crosse from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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