$188 Cheap Flights from Montgomery (MGM) to Washington (IAD)

View $188 flight on Wed, Oct 1, 2025Opens in a new window

Popular airlines from Montgomery Regional Airport (MGM) to Washington Dulles Intl. Airport (IAD)

Cheap Flights from Montgomery to Washington (MGM-IAD)

Prices were available within the past 7 days and start at $188 for one-way flights and $359 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, Aug 30 - Tue, Sep 2
MGM
Montgomery
IAD
Washington
$359 Roundtrip, found 7 hours ago
$359
Roundtrip
found 7 hours ago
Select Delta flight, departing Sat, Aug 30 from Montgomery to Washington, returning Tue, Sep 2, priced at $359 found 7 hours ago
Delta
Sat, Aug 30 - Tue, Sep 2
MGM
Montgomery
IAD
Washington
$380 Roundtrip, found 7 hours ago
$380
Roundtrip
found 7 hours ago
Select Delta flight, departing Sat, Aug 30 from Montgomery to Washington, returning Tue, Sep 2, priced at $380 found 7 hours ago
Delta
Sat, Aug 30 - Tue, Sep 2
MGM
Montgomery
IAD
Washington
$384 Roundtrip, found 7 hours ago
$384
Roundtrip
found 7 hours ago
Select Delta flight, departing Sat, Aug 30 from Montgomery to Washington, returning Tue, Sep 2, priced at $384 found 7 hours ago
Delta
Wed, Oct 22 - Tue, Oct 28
MGM
Montgomery
IAD
Washington
$395 Roundtrip, found 2 days ago
$395
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Oct 22 from Montgomery to Washington, returning Tue, Oct 28, priced at $395 found 2 days ago
Delta
Mon, Oct 27 - Mon, Nov 3
MGM
Montgomery
IAD
Washington
$397 Roundtrip, found 2 days ago
$397
Roundtrip
found 2 days ago
Select Delta flight, departing Mon, Oct 27 from Montgomery to Washington, returning Mon, Nov 3, priced at $397 found 2 days ago
Delta
Sat, Aug 30 - Tue, Sep 2
MGM
Montgomery
IAD
Washington
$399 Roundtrip, found 7 hours ago
$399
Roundtrip
found 7 hours ago
Select Delta flight, departing Sat, Aug 30 from Montgomery to Washington, returning Tue, Sep 2, priced at $399 found 7 hours ago
Delta
Sat, Aug 30 - Tue, Sep 2
MGM
Montgomery
IAD
Washington
$402 Roundtrip, found 7 hours ago
$402
Roundtrip
found 7 hours ago
Select Delta flight, departing Sat, Aug 30 from Montgomery to Washington, returning Tue, Sep 2, priced at $402 found 7 hours ago
American Airlines
Sat, Aug 30 - Tue, Sep 2
MGM
Montgomery
IAD
Washington
$402 Roundtrip, found 7 hours ago
$402
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Sat, Aug 30 from Montgomery to Washington, returning Tue, Sep 2, priced at $402 found 7 hours ago
Delta
Thu, Oct 23 - Sat, Nov 1
MGM
Montgomery
IAD
Washington
$410 Roundtrip, found 2 days ago
$410
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, Oct 23 from Montgomery to Washington, returning Sat, Nov 1, priced at $410 found 2 days ago
Delta
Tue, Oct 21 - Thu, Oct 30
MGM
Montgomery
IAD
Washington
$412 Roundtrip, found 2 days ago
$412
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Oct 21 from Montgomery to Washington, returning Thu, Oct 30, priced at $412 found 2 days ago

Alternative airports near Washington

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

Select flight to Ronald Reagan Washington National DCA. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $457
DCA
Ronald Reagan Washington National
CheapestClosest
Average driving time to city center8 min
Flights from $457
Flights from Montgomery (MGM) to Washington (IAD)
Origin airport
Montgomery Regional
Destination airport
Washington Dulles Intl.
Airlines serving
American Airlines, Delta
Roundtrip price
$358
Distance
679 mi

Montgomery to Washington Flights

The cheapest times to fly from Montgomery to Washington

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 Montgomery to Washington are during the month of August. You can find some of the cheapest flights from Montgomery to Washington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Montgomery to Washington

Sunday is one of the best days to book for cheap flights from Montgomery to Washington: 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 Montgomery to Washington

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 Montgomery to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $188 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 Montgomery to Washington 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 Montgomery to Washington 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 Montgomery Regional Airport (MGM) to Washington Dulles Intl. Airport (IAD) cost?
Discover the latest flight deals from MGM to IAD by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from MGM to IAD?
The cheapest flights from MGM to IAD are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from MGM to IAD?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from MGM to IAD. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Montgomery Regional Airport (MGM) to Washington Dulles Intl. Airport (IAD)?
You'll need to catch a flight with a layover when traveling from Montgomery Regional Airport (MGM) to Washington Dulles Intl. Airport (IAD). Direct flights don't operate daily on this route. However, just filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from MGM to IAD?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be 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 Montgomery Regional Airport (MGM) to Washington Dulles Intl. Airport (IAD)?
To arrive at Washington Dulles Intl. Airport (IAD) without delays, book a flight that takes off from Montgomery Regional Airport (MGM) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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.
What airports do you fly into for Washington from Montgomery Regional Airport (MGM)?
If you're taking a direct flight from Montgomery Regional Airport (MGM) to Washington, Ronald Reagan Washington National Airport (DCA) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from Montgomery Regional Airport (MGM) to Washington Dulles Intl. Airport (IAD) last-minute?
Booking your ticket from MGM to IAD just before your getaway is generally more expensive. But if there's some wiggle room with your schedule, you could score a cheap last-minute fare.
Is it cheaper to book a MGM to IAD flight and hotel package?
Compared with arranging flights and hotels separately, booking a MGM to IAD flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one convenient place takes the hassle out of planning your trip. Just secure your flights and choose from our wide range of stays, then customize your trip with other add-ons like tours and car rentals.
Can I cancel or change the date of my flight from Montgomery Regional Airport (MGM) to Washington Dulles Intl. Airport (IAD)?
Typically, you can modify or cancel your MGM to IAD flight. However, there may be additional fees, especially if you made your booking over 24 hours ago. Check your itinerary for the airline's policies and fees on flight changes, or if you need more details, head to our Customer Service portal.

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*Available to One Key members.