$154 Cheap Flights from Mobile (MOB) to Washington (IAD)

View $154 flight on Sat, Apr 11, 2026Opens in a new window

Popular airlines from Mobile Regional Airport (MOB) to Washington Dulles Intl. Airport (IAD)

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Cheap Flights from Mobile to Washington (MOB-IAD)

Prices were available within the past 7 days and start at $154 for one-way flights and $209 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, May 12 - Sat, May 16
MOB
Mobile
IAD
Washington
$209 Roundtrip, found 17 hours ago
$209
Roundtrip
found 17 hours ago
Select United flight, departing Tue, May 12 from Mobile to Washington, returning Sat, May 16, priced at $209 found 17 hours ago
American Airlines
Fri, Apr 17 - Mon, Apr 20
MOB
Mobile
IAD
Washington
$229 Roundtrip, found 4 days ago
$229
Roundtrip
found 4 days ago
Select American Airlines flight, departing Fri, Apr 17 from Mobile to Washington, returning Mon, Apr 20, priced at $229 found 4 days ago
Delta
Fri, Mar 20 - Sun, Apr 5
MOB
Mobile
IAD
Washington
$229 Roundtrip, found 6 hours ago
$229
Roundtrip
found 6 hours ago
Select Delta flight, departing Fri, Mar 20 from Mobile to Washington, returning Sun, Apr 5, priced at $229 found 6 hours ago
United
Wed, Mar 18 - Sat, Mar 21
MOB
Mobile
IAD
Washington
$229 Roundtrip, found 22 hours ago
$229
Roundtrip
found 22 hours ago
Select United flight, departing Wed, Mar 18 from Mobile to Washington, returning Sat, Mar 21, priced at $229 found 22 hours ago
United
Fri, Jul 24 - Mon, Aug 10
MOB
Mobile
IAD
Washington
$243 Roundtrip, found 16 hours ago
$243
Roundtrip
found 16 hours ago
Select United flight, departing Fri, Jul 24 from Mobile to Washington, returning Mon, Aug 10, priced at $243 found 16 hours ago
United
Wed, May 27 - Sat, May 30
MOB
Mobile
IAD
Washington
$248 Roundtrip, found 2 days ago
$248
Roundtrip
found 2 days ago
Select United flight, departing Wed, May 27 from Mobile to Washington, returning Sat, May 30, priced at $248 found 2 days ago
United
Wed, Mar 11 - Sat, Mar 14
MOB
Mobile
IAD
Washington
$249 Roundtrip, found 2 days ago
$249
Roundtrip
found 2 days ago
Select United flight, departing Wed, Mar 11 from Mobile to Washington, returning Sat, Mar 14, priced at $249 found 2 days ago
Delta
Fri, Mar 20 - Wed, Apr 8
MOB
Mobile
IAD
Washington
$254 Roundtrip, found 6 hours ago
$254
Roundtrip
found 6 hours ago
Select Delta flight, departing Fri, Mar 20 from Mobile to Washington, returning Wed, Apr 8, priced at $254 found 6 hours ago
United
Sat, Mar 7 - Sat, Mar 14
MOB
Mobile
IAD
Washington
$254 Roundtrip, found 5 days ago
$254
Roundtrip
found 5 days ago
Select United flight, departing Sat, Mar 7 from Mobile to Washington, returning Sat, Mar 14, priced at $254 found 5 days ago
United
Wed, May 13 - Sat, May 16
MOB
Mobile
IAD
Washington
$264 Roundtrip, found 6 days ago
$264
Roundtrip
found 6 days ago
Select United flight, departing Wed, May 13 from Mobile to Washington, returning Sat, May 16, priced at $264 found 6 days ago

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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. Closest option available. Average driving time to city center is 8 minutes. Flights from $549
DCA
Ronald Reagan Washington National
Closest
Average driving time to city center8 min
Flights from $549

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

May is typically the cheapest month to fly

From $204 - $557 per traveler.

Frequently asked questions

How much does a flight from Mobile Regional Airport (MOB) to Washington Dulles Intl. Airport (IAD) cost?
Grab a cheap one-way flight from $154 or cheap return flight from $209 from Mobile Regional Airport (MOB) to Washington Dulles Intl. Airport (IAD) 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 Washington Dulles Intl. Airport (IAD)?
Planning your getaway for May may help you find better deals, as it's the cheapest month for flights between MOB and IAD. You'll typically find the lowest fares during the off-season.
Which airlines fly direct from Mobile Regional Airport (MOB) to Washington Dulles Intl. Airport (IAD)?
When flying out of Mobile Regional Airport (MOB), you can jump on a direct flight to Washington Dulles Intl. Airport (IAD) with United Airlines.
What is the cheapest airline that flies from Mobile Regional Airport (MOB) to Washington Dulles Intl. Airport (IAD)?
To find the cheapest airline flying from MOB to IAD, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Mobile Regional Airport (MOB) to Washington Dulles Intl. Airport (IAD)?
With, on average, 2 direct flights departing from Mobile Regional Airport (MOB) to Washington Dulles Intl. Airport (IAD) each day, you'll be taking off on vacation soon enough.
What are the most popular departure times for flights from Mobile Regional Airport (MOB) to Washington Dulles Intl. Airport (IAD)?
The 8 AM departures from MOB to IAD are the busiest. Prices can be higher for these popular slots. If you're hoping to save money, choose a less crowded time to fly.
What day of the week has the most flights from MOB to IAD?
If you depart on a Friday, you'll get the largest range of options for flights from Mobile Regional Airport (MOB) to Washington Dulles Intl. Airport (IAD).
What is the earliest flight from Mobile Regional Airport (MOB) to Washington Dulles Intl. Airport (IAD)?
Mobile Regional Airport (MOB)'s first flight to Washington Dulles Intl. Airport (IAD) departs at approximately 8:00AM UTC-6. With a travel time of 2h 21m, you'll arrive at around 11:21AM UTC-5.
How long does it take to fly from Mobile Regional Airport (MOB) to Washington Dulles Intl. Airport (IAD)?
The average flight duration from MOB to IAD is 2 hours and 21 minutes, covering a distance of 840 mi.
What airline has the least delays from MOB to IAD?
Consider booking with United Airlines if you'd like to fly straight from Mobile Regional Airport (MOB) to Washington Dulles Intl. Airport (IAD) without any delays. This airline has the strongest track record for punctuality, with an on-time performance of 88%. Want to be notified if anything changes? You can keep an eye on your flight status using the Expedia App.
What is the best time to fly from Mobile Regional Airport (MOB) to Washington Dulles Intl. Airport (IAD)?
To avoid possible delays on the Mobile Regional Airport (MOB) to Washington Dulles Intl. Airport (IAD) route, aim to travel before 3 PM. Flights after this time have a 22% higher chance of being 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.
What airports do you fly into for Washington from Mobile Regional Airport (MOB)?
If you've booked a direct flight from Mobile Regional Airport (MOB) to Washington, Washington Dulles Intl. Airport (IAD) is the only airport you can land at.
Is it cheaper to buy a plane ticket from Mobile Regional Airport (MOB) to Washington Dulles Intl. Airport (IAD) last-minute?
Waiting until right before your break to book your flight from MOB to IAD often results in higher prices. While you may find some last-minute deals, there's no guarantee. Keep your travel plans flexible for the best chance of getting a bargain.
Is it cheaper to book a MOB to IAD flight and hotel package?
You can save money by securing a MOB to IAD flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. Once you've chosen your preferred accommodations and flights, you can add extras like car rentals, tours and activities.
Can I cancel or change the date of my flight from Mobile Regional Airport (MOB) to Washington Dulles Intl. Airport (IAD)?
If you reserved your MOB to IAD flight within the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the ticket type you purchased, 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 for more details.

Travel information

Origin airport
Mobile Regional
Destination airport
Washington Dulles Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$209
Distance
836 mi
Average flight time
2 hours 22 mins

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 May. 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 2026. You can also book with separate airlines for your outbound and return journeys, from $154 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

*Flight schedules are subject to change.

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