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Cheap flights from La Crosse to Washington, D.C. from $519

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from La Crosse to Washington, D.C. 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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0 bags

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Find the cheapest flights from La Crosse to Washington, D.C.

Cheap round-trip flights

American Airlines Logo
10:00 am - 7:31 pmLSE-IAD
8h 31m2 stops
American Airlines Logo
2:16 pm - 10:03 pmIAD-LSE
8h 47m2 stops
$519American Airlines
Find Deal
Sat, Dec 13 - Tue, Dec 16
American Airlines Logo
10:54 am - 11:53 pmLSE-IAD
11h 59m2 stops
American Airlines Logo
6:34 am - 5:45 pmIAD-LSE
12h 11m2 stops
$597American Airlines
Find Deal
Thu, Oct 9 - Thu, Oct 16
American Airlines Logo
6:00 am - 5:11 pmLSE-IAD
10h 11m3 stops
American Airlines Logo
6:34 am - 5:45 pmIAD-LSE
12h 11m2 stops
$937American Airlines
Find Deal
Thu, Oct 9 - Thu, Oct 16
American Airlines Logo
9:50 am - 7:21 pmLSE-IAD
8h 31m2 stops
American Airlines Logo
9:12 am - 5:43 pmIAD-LSE
9h 31m2 stops
$951American Airlines
Find Deal
Sun, Nov 16 - Thu, Nov 20

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

Our best American Airlines deals on La Crosse to Washington, D.C. Dulles Intl Airport flight tickets
American Airlines
Dec 13
LSE10:00 amLa Crosse
8h 31m
2 stops
IAD7:31 pmWashington, D.C. Dulles Intl
Dec 16
IAD2:16 pmWashington, D.C. Dulles Intl
8h 47m
2 stops
LSE10:03 pmLa Crosse
$519
Find similar
American Airlines
Oct 9
LSE10:54 amLa Crosse
11h 59m
2 stops
IAD11:53 pmWashington, D.C. Dulles Intl
Oct 16
IAD6:34 amWashington, D.C. Dulles Intl
12h 11m
2 stops
LSE5:45 pmLa Crosse
$597
Find similar
American Airlines
Oct 9
LSE6:00 amLa Crosse
10h 11m
3 stops
IAD5:11 pmWashington, D.C. Dulles Intl
Oct 16
IAD6:34 amWashington, D.C. Dulles Intl
12h 11m
2 stops
LSE5:45 pmLa Crosse
$937
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from La Crosse to Washington, D.C. Dulles Intl Airport 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 4, 2025.
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

Price

La CrosseWashington, D.C.

LSE - IAD

LSEIAD

La Crosse

Sat 12/13

10:00 am-7:31 pm

2 stops8h 31m

Washington, D.C. Dulles Intl

Tue 12/16

2:16 pm-10:03 pm

2 stops8h 47m

$519

La CrosseWashington, D.C.

LSE - IAD

LSEIAD

La Crosse

Thu 10/9

10:54 am-11:53 pm

2 stops11h 59m

Washington, D.C. Dulles Intl

Thu 10/16

6:34 am-5:45 pm

2 stops12h 11m

$597

La CrosseWashington, D.C.

LSE - IAD

LSEIAD

La Crosse

Thu 10/9

6:00 am-5:11 pm

3 stops10h 11m

Washington, D.C. Dulles Intl

Thu 10/16

6:34 am-5:45 pm

2 stops12h 11m

$937

La CrosseWashington, D.C.

LSE - IAD

LSEIAD

La Crosse

Sun 11/16

9:50 am-7:21 pm

2 stops8h 31m

Washington, D.C. Dulles Intl

Thu 11/20

9:12 am-5:43 pm

2 stops9h 31m

$951

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

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

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

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

Direct flights

None
There are no direct flights from La Crosse to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from La Crosse to Washington, D.C. Dulles Intl Airport.
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  • How far is La Crosse to Washington, D.C. Dulles Intl by plane?

    A flight from La Crosse to Washington, D.C. Dulles Intl will travel around 787.8 mi. Flights usually cover this in 8h 31m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from La Crosse Airport to Washington, D.C. Dulles Intl Airport were last updated today.

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from La Crosse Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The travel and health documents required for your trip to Washington, D.C. Dulles Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C. Dulles Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • How do I get Price Alerts for flights from La Crosse to Washington, D.C. Dulles Intl Airport?

    Search flight deals from La Crosse to Washington, D.C. Dulles Intl Airport. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from La Crosse to Washington, D.C. Dulles Intl Airport with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Gettysburg
National Harbor
Arlington
Winchester
Woodbridge
Waldorf
Tysons
Laurel
Silver Spring
Colonial Beach
Fredericksburg
Harpers Ferry
Towson
Rockville
Manassas
Reston
Fairfax
Gaithersburg
Glen Burnie

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from La Crosse to Washington, D.C.. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo allows you to filter the results for La Crosse to Washington, D.C. flights to just show those with flexible booking policies.

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

Once you have performed a search for La Crosse to Washington, D.C. flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for La Crosse to Washington, D.C. flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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