$115 Cheap Flights from Mobile (MOB) to Washington (DCA)

View $115 flight on Tue, Oct 7, 2025Opens in a new window

Popular airlines from Mobile Regional Airport (MOB) to Ronald Reagan Washington National Airport (DCA)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Mobile to Washington (MOB-DCA)

Prices were available within the past 7 days and start at $115 for one-way flights and $224 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, Sep 26 - Sat, Oct 4
MOB
Mobile
DCA
Washington
$224 Roundtrip, found 3 days ago
$224
Roundtrip
found 3 days ago
Select Delta flight, departing Fri, Sep 26 from Mobile to Washington, returning Sat, Oct 4, priced at $224 found 3 days ago
American Airlines
Wed, Oct 8 - Tue, Oct 14
MOB
Mobile
DCA
Washington
$229 Roundtrip, found 4 hours ago
$229
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Wed, Oct 8 from Mobile to Washington, returning Tue, Oct 14, priced at $229 found 4 hours ago
American Airlines
Sat, Nov 1 - Tue, Nov 11
MOB
Mobile
DCA
Washington
$234 Roundtrip, found 19 hours ago
$234
Roundtrip
found 19 hours ago
Select American Airlines flight, departing Sat, Nov 1 from Mobile to Washington, returning Tue, Nov 11, priced at $234 found 19 hours ago
Delta
Wed, Sep 17 - Sat, Oct 4
MOB
Mobile
DCA
Washington
$244 Roundtrip, found 5 days ago
$244
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Sep 17 from Mobile to Washington, returning Sat, Oct 4, priced at $244 found 5 days ago
American Airlines
Sat, Nov 1 - Tue, Nov 11
MOB
Mobile
DCA
Washington
$244 Roundtrip, found 19 hours ago
$244
Roundtrip
found 19 hours ago
Select American Airlines flight, departing Sat, Nov 1 from Mobile to Washington, returning Tue, Nov 11, priced at $244 found 19 hours ago
American Airlines
Sat, Oct 4 - Sat, Oct 11
MOB
Mobile
DCA
Washington
$249 Roundtrip, found 10 hours ago
$249
Roundtrip
found 10 hours ago
Select American Airlines flight, departing Sat, Oct 4 from Mobile to Washington, returning Sat, Oct 11, priced at $249 found 10 hours ago
American Airlines
Sat, Nov 1 - Tue, Nov 11
MOB
Mobile
DCA
Washington
$249 Roundtrip, found 19 hours ago
$249
Roundtrip
found 19 hours ago
Select American Airlines flight, departing Sat, Nov 1 from Mobile to Washington, returning Tue, Nov 11, priced at $249 found 19 hours ago
Delta
Tue, Jan 13 - Thu, Jan 29
MOB
Mobile
DCA
Washington
$254 Roundtrip, found 9 hours ago
$254
Roundtrip
found 9 hours ago
Select Delta flight, departing Tue, Jan 13 from Mobile to Washington, returning Thu, Jan 29, priced at $254 found 9 hours ago
Delta
Wed, Oct 1 - Sat, Oct 4
MOB
Mobile
DCA
Washington
$264 Roundtrip, found 3 days ago
$264
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, Oct 1 from Mobile to Washington, returning Sat, Oct 4, priced at $264 found 3 days ago
United
Tue, Dec 2 - Fri, Dec 5
MOB
Mobile
DCA
Washington
$465 Roundtrip, found 8 hours ago
$465
Roundtrip
found 8 hours ago
Select United flight, departing Tue, Dec 2 from Mobile to Washington, returning Fri, Dec 5, priced at $465 found 8 hours ago

Find the cheapest month to fly from Mobile (MOB) to Washington (DCA)

January is typically the cheapest month to fly

From $213 - $708 per traveler.

Frequently asked questions

How much does a flight from Mobile Regional Airport (MOB) to Ronald Reagan Washington National Airport (DCA) cost?
Grab a cheap one-way flight from $115 or cheap return flight from $224 from Mobile Regional Airport (MOB) to Ronald Reagan Washington National Airport (DCA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Mobile Regional Airport (MOB) to Ronald Reagan Washington National Airport (DCA)?
The cheapest month to fly from MOB to DCA is September, when demand is low. Off-peak season is often when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Mobile Regional Airport (MOB) to Ronald Reagan Washington National Airport (DCA)?
To find the cheapest airline that'll fly you from MOB to DCA, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Mobile Regional Airport (MOB) to Ronald Reagan Washington National Airport (DCA)?
You'll have to book a flight with a layover if you're traveling from Mobile Regional Airport (MOB) to Ronald Reagan Washington National Airport (DCA). There are no daily direct flights on this route. However, just filter your search to include one or two stops to find an option that works for you.
What day of the week has the most flights from MOB to DCA?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change 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 Mobile Regional Airport (MOB) to Ronald Reagan Washington National Airport (DCA)?
To avoid possible delays on the Mobile Regional Airport (MOB) to Ronald Reagan Washington National Airport (DCA) route, aim to travel before 3 PM. Later flights have a 22% higher chance of cancellation.**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 Mobile Regional Airport (MOB)?
Washington Dulles Intl. Airport (IAD) is the only airport in Washington with direct flights from Mobile Regional Airport (MOB). Compare your options and find affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Mobile Regional Airport (MOB) to Ronald Reagan Washington National Airport (DCA) last-minute?
Booking your ticket from MOB to DCA shortly before your getaway is typically more expensive. However, if you're flexible with your travel dates and times, you could score a cheap last-minute fare.
Is it cheaper to book a MOB to DCA flight and hotel package?
Compared with arranging hotels and flights separately, booking a MOB to DCA flight and hotel package with Expedia could result in significant savings. What's more, having everything in one place will take the stress out of planning your trip. Just pick your flights and select from our wide range of stays, then customize your trip with extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Mobile Regional Airport (MOB) to Ronald Reagan Washington National Airport (DCA)?
In most cases, you can cancel or modify your MOB to DCA flight. However, there may be additional charges, especially if you made your booking more than 24 hours ago. Check your itinerary for the airline's policies and fees on flight changes, or if you need more information, head to our Customer Service portal.

Travel information

Travel information

Origin airport
Mobile Regional
Destination airport
Ronald Reagan Washington National
Airlines serving
American Airlines, Delta, United
Roundtrip price
$223
Distance
848 mi

Book with confidence

Book with confidence

Mobile to Washington Flights

The cheapest times to fly from Mobile 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 Mobile to Washington are during the month of September. You can find some of the cheapest flights from Mobile to Washington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Mobile to Washington

Sunday is one of the best days to book for cheap flights from Mobile 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 Mobile 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 Mobile to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $115 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 Mobile 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 Mobile 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.

 

Mobile to Washington Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.