What is the cheapest month to book a flight from La Crosse to Washington, D.C. Dulles Intl Airport?

Currently, July is the cheapest month in which you can book a flight from La Crosse to Washington, D.C. Dulles Intl Airport (average of $302). Flying from La Crosse to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

What is the cheapest time of day to fly from LSE to IAD?

When flying from La Crosse to Washington, D.C. Dulles Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What airport do you fly from for flights from La Crosse to Washington, D.C. Dulles Intl?

For a flight from La Crosse to Washington, D.C. Dulles Intl, you will be flying from La Crosse. La Crosse (LSE) is just 5.4 mi from the center of the city. La Crosse is the only La Crosse airport and it handles 0 outbound flights to Washington, D.C. Dulles Intl per day. 0 airlines have flights to Washington, D.C. Dulles Intl from La Crosse on a regular basis.

Can I find deals for flights from La Crosse to Dulles Intl that include hotel bookings?

Yes. In addition to deals on La Crosse to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from La Crosse to Dulles Intl?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from La Crosse to Dulles Intl.

Can I find deals for business class flights from La Crosse to Dulles Intl?

Yes. Cheapflights offers flight deals from La Crosse to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$519+ Flights from La Crosse to Washington, D.C. Dulles Intl Airport

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Cheap flight deals from La Crosse to Dulles Intl

Round-trip from	$519 (American Airlines)

From La Crosse to Washington, D.C. Dulles Intl

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Find flight deals from La Crosse to Dulles Intl

Cheapest flights from La Crosse to Dulles Intl
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 August 14, 2025.

Sat 12/132:48 pmLSE - IAD

2 stops8h 07mAmerican Airlines

Tue 12/162:04 pmIAD - LSE

2 stops8h 41mAmerican Airlines

Deal found 8/13

$519

Fri 9/56:30 pmLSE - IAD

2 stops14h 37mAmerican Airlines

Mon 9/811:18 amIAD - LSE

2 stops7h 51mAmerican Airlines

Deal found 8/12

$639

Fri 9/56:30 pmLSE - IAD

2 stops18h 19mAmerican Airlines

Sun 9/79:16 amIAD - LSE

2 stops15h 01mAmerican Airlines

Deal found 8/12

$687

Best flights from La Crosse to Dulles Intl
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 August 14, 2025.

Sat 12/132:48 pmLSE - IAD

2 stops8h 07mAmerican Airlines

Tue 12/162:04 pmIAD - LSE

2 stops8h 41mAmerican Airlines

Deal found 8/12

$519

Fri 9/56:30 pmLSE - IAD

2 stops14h 37mAmerican Airlines

Mon 9/811:18 amIAD - LSE

2 stops7h 51mAmerican Airlines

Deal found 8/12

$639

Fri 9/56:30 pmLSE - IAD

2 stops18h 19mAmerican Airlines

Sun 9/79:16 amIAD - LSE

2 stops15h 01mAmerican Airlines

Deal found 8/12

$687

Last-minute flights from La Crosse to Dulles Intl
Discover last-minute flight deals from La Crosse to Dulles Intl. Data last updated August 14, 2025 and is based on user searches.

Fri 9/56:30 pmLSE - IAD

2 stops14h 37mAmerican Airlines

Mon 9/811:18 amIAD - LSE

2 stops7h 51mAmerican Airlines

Deal found 8/12

$639

Fri 9/56:30 pmLSE - IAD

2 stops18h 19mAmerican Airlines

Sun 9/79:16 amIAD - LSE

2 stops15h 01mAmerican Airlines

Deal found 8/12

$687

Cheapflights Fare Finder

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

2:48 pm-11:55 pm

2 stops8h 07m

Washington, D.C. Dulles Intl

Tue 12/16

2:04 pm-9:45 pm

2 stops8h 41m

$519

La CrosseWashington, D.C.

LSE - IAD

LSEIAD

La Crosse

Fri 9/5

6:30 pm-10:07 am

2 stops14h 37m

Washington, D.C. Dulles Intl

Mon 9/8

11:18 am-6:09 pm

2 stops7h 51m

$639

La CrosseWashington, D.C.

LSE - IAD

LSEIAD

La Crosse

Fri 9/5

6:30 pm-1:49 pm

2 stops18h 19m

Washington, D.C. Dulles Intl

Sun 9/7

9:16 am-11:17 pm

2 stops15h 01m

$687

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

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.

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

What airport do you fly from for flights from La Crosse to Washington, D.C. Dulles Intl?
For a flight from La Crosse to Washington, D.C. Dulles Intl, you will be flying from La Crosse. La Crosse (LSE) is just 5.4 mi from the center of the city. La Crosse is the only La Crosse airport and it handles 0 outbound flights to Washington, D.C. Dulles Intl per day. 0 airlines have flights to Washington, D.C. Dulles Intl from La Crosse on a regular basis.
Can I find deals for flights from La Crosse to Dulles Intl that include hotel bookings?
Yes. In addition to deals on La Crosse to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from La Crosse to Dulles Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from La Crosse to Dulles Intl.
Can I find deals for business class flights from La Crosse to Dulles Intl?
Yes. Cheapflights offers flight deals from La Crosse to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from La Crosse to Washington, D.C. Dulles Intl Airport?
Currently, July is the cheapest month in which you can book a flight from La Crosse to Washington, D.C. Dulles Intl Airport (average of $302). Flying from La Crosse to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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$519+ 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 12/13. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from La Crosse to Dulles Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from La Crosse to Dulles Intl

Round-trip from

Find flight deals from La Crosse to Dulles Intl

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 August 14, 2025.

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 August 14, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from La Crosse to Washington, D.C. Dulles Intl Airport that are best for you.

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.

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.

What airport do you fly from for flights from La Crosse to Washington, D.C. Dulles Intl?

Can I find deals for flights from La Crosse to Dulles Intl that include hotel bookings?

How can I find direct flights from La Crosse to Dulles Intl?

Can I find deals for business class flights from La Crosse to Dulles Intl?

What is the cheapest month to book a flight from La Crosse to Washington, D.C. Dulles Intl Airport?

Traveling to a place near Washington, D.C. Dulles Intl Airport?

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Cheapest flights from La Crosse to Dulles Intl
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 August 14, 2025.