$140 Cheap Flights from Washington (IAD) to Madison (MSN)

View $140 flight on Tue, Oct 14, 2025Opens in a new window

Popular airlines from Washington Dulles Intl. Airport (IAD) to Dane County Regional Airport (MSN)

Cheap Flights from Washington to Madison (IAD-MSN)

Prices were available within the past 7 days and start at $140 for one-way flights and $261 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, Oct 31 - Tue, Nov 4
IAD
Washington
MSN
Madison
$261 Roundtrip, found 3 days ago
$261
Roundtrip
found 3 days ago
Select American Airlines flight, departing Fri, Oct 31 from Washington to Madison, returning Tue, Nov 4, priced at $261 found 3 days ago
American Airlines
Tue, Sep 23 - Sat, Sep 27
IAD
Washington
MSN
Madison
$263 Roundtrip, found 3 days ago
$263
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Sep 23 from Washington to Madison, returning Sat, Sep 27, priced at $263 found 3 days ago
United
Wed, Oct 8 - Wed, Oct 15
IAD
Washington
MSN
Madison
$274 Roundtrip, found 3 days ago
$274
Roundtrip
found 3 days ago
Select United flight, departing Wed, Oct 8 from Washington to Madison, returning Wed, Oct 15, priced at $274 found 3 days ago
United
Fri, Oct 31 - Tue, Nov 4
IAD
Washington
MSN
Madison
$278 Roundtrip, found 3 days ago
$278
Roundtrip
found 3 days ago
Select United flight, departing Fri, Oct 31 from Washington to Madison, returning Tue, Nov 4, priced at $278 found 3 days ago
United
Wed, Oct 8 - Wed, Oct 15
IAD
Washington
MSN
Madison
$280 Roundtrip, found 3 days ago
$280
Roundtrip
found 3 days ago
Select United flight, departing Wed, Oct 8 from Washington to Madison, returning Wed, Oct 15, priced at $280 found 3 days ago
American Airlines
Tue, Oct 7 - Sat, Oct 11
IAD
Washington
MSN
Madison
$283 Roundtrip, found 20 hours ago
$283
Roundtrip
found 20 hours ago
Select American Airlines flight, departing Tue, Oct 7 from Washington to Madison, returning Sat, Oct 11, priced at $283 found 20 hours ago
United
Fri, Oct 31 - Mon, Nov 3
IAD
Washington
MSN
Madison
$289 Roundtrip, found 2 days ago
$289
Roundtrip
found 2 days ago
Select United flight, departing Fri, Oct 31 from Washington to Madison, returning Mon, Nov 3, priced at $289 found 2 days ago
United
Wed, Sep 24 - Tue, Sep 30
IAD
Washington
MSN
Madison
$292 Roundtrip, found 1 day ago
$292
Roundtrip
found 1 day ago
Select United flight, departing Wed, Sep 24 from Washington to Madison, returning Tue, Sep 30, priced at $292 found 1 day ago
United
Tue, Oct 7 - Wed, Oct 15
IAD
Washington
MSN
Madison
$294 Roundtrip, found 2 days ago
$294
Roundtrip
found 2 days ago
Select United flight, departing Tue, Oct 7 from Washington to Madison, returning Wed, Oct 15, priced at $294 found 2 days ago
United
Wed, Oct 8 - Wed, Oct 15
IAD
Washington
MSN
Madison
$295 Roundtrip, found 3 days ago
$295
Roundtrip
found 3 days ago
Select United flight, departing Wed, Oct 8 from Washington to Madison, returning Wed, Oct 15, priced at $295 found 3 days ago

Find the cheapest month to fly from Washington (IAD) to Madison (MSN)

August is typically the cheapest month to fly

From $258 - $706 per traveler.

Graph displaying average flight prices per month

Alternative airports near Madison

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Dane County Regional MSN. Cheapest and Closest option available. Average driving time to city center is 11 minutes. Flights from $429
MSN
Dane County Regional
CheapestClosest
Average driving time to city center11 min
Flights from $429
Flights from Washington (IAD) to Madison (MSN)
Origin airport
Washington Dulles Intl.
Destination airport
Dane County Regional
Airlines serving
American Airlines, Delta, United
Roundtrip price
$258
Distance
683 mi

Washington to Madison Flights

The cheapest times to fly from Washington to Madison

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Washington to Madison are during the month of October. You can find some of the cheapest flights from Washington to Madison with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Madison

Sunday is one of the best days to book for cheap flights from Washington to Madison: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Washington to Madison

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Washington to Madison in 2025. You can also book with separate airlines for your outbound and return journeys, from $140 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Washington to Madison flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Washington to Madison airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Washington Dulles Intl. Airport (IAD) to Dane County Regional Airport (MSN) cost?
Grab a cheap one-way flight from $140 or cheap return flight from $261 from Washington Dulles Intl. Airport (IAD) to Dane County Regional Airport (MSN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Washington Dulles Intl. Airport (IAD) to Dane County Regional Airport (MSN)?
Traveling in October is a good way to save, as it's the cheapest month for flights between IAD and MSN. You'll usually find the lowest prices during the off-season.
Which airlines fly direct from Washington Dulles Intl. Airport (IAD) to Dane County Regional Airport (MSN)?
You can't fly direct to Dane County Regional Airport (MSN) from Washington, DC (IAD-Washington Dulles Intl.). However, you can arrive in Madison without any layovers by departing from Ronald Reagan Washington National Airport (DCA).
What is the cheapest airline that flies from Washington Dulles Intl. Airport (IAD) to Dane County Regional Airport (MSN)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll take you from IAD to MSN. Then, sort your results by "Price (lowest to highest)" to pick up a good deal.
How many flights per day from Washington Dulles Intl. Airport (IAD) to Dane County Regional Airport (MSN)?
Direct flights from Washington Dulles Intl. Airport (IAD) to Dane County Regional Airport (MSN) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from IAD to MSN?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Washington Dulles Intl. Airport (IAD) to Dane County Regional Airport (MSN)?
To avoid possible delays on the Washington Dulles Intl. Airport (IAD) to Dane County Regional Airport (MSN) route, fly before 3 PM. Departures after this hour are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Washington Dulles Intl. Airport (IAD) to Dane County Regional Airport (MSN) last-minute?
Holding off until just before your departure to book a flight from IAD to MSN often results in higher prices. While you might find some last-minute offers, they aren't always guaranteed. Keep your travel schedule open to maximize your chances of snagging a bargain.
Is it cheaper to book an IAD to MSN flight and hotel package?
Compared with arranging flights and hotels separately, booking an IAD to MSN flight and hotel package with Expedia could lead to significant savings. Better yet, having it all in one place will take the hassle out of planning your trip. Just pick your flights and choose from our extensive range of hotels, then personalize your trip with extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to Dane County Regional Airport (MSN)?
If you reserved your IAD to MSN flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of fare you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you'd like more information.

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*Available to One Key members.