$184 Cheap Flights from Mobile (MOB) to Washington (IAD)

View $184 flight on Tue, Aug 4, 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 $184 for one-way flights and $269 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Jun 17 - Wed, Jun 24
MOB
Mobile
IAD
Washington
$269 Roundtrip, found 3 days ago
$269
Roundtrip
found 3 days ago
Select United flight, departing Wed, Jun 17 from Mobile to Washington, returning Wed, Jun 24, priced at $269 found 3 days ago
United
Tue, Jun 30 - Fri, Jul 10
MOB
Mobile
IAD
Washington
$282 Roundtrip, found 6 days ago
$282
Roundtrip
found 6 days ago
Select United flight, departing Tue, Jun 30 from Mobile to Washington, returning Fri, Jul 10, priced at $282 found 6 days ago
Delta
Wed, Jun 17 - Mon, Jun 22
MOB
Mobile
IAD
Washington
$289 Roundtrip, found 1 hour ago
$289
Roundtrip
found 1 hour ago
Select Delta flight, departing Wed, Jun 17 from Mobile to Washington, returning Mon, Jun 22, priced at $289 found 1 hour ago
Delta
Fri, Jun 5 - Mon, Jun 8
MOB
Mobile
IAD
Washington
$309 Roundtrip, found 1 hour ago
$309
Roundtrip
found 1 hour ago
Select Delta flight, departing Fri, Jun 5 from Mobile to Washington, returning Mon, Jun 8, priced at $309 found 1 hour ago
United
Sat, May 30 - Wed, Jun 3
MOB
Mobile
IAD
Washington
$309 Roundtrip, found 1 day ago
$309
Roundtrip
found 1 day ago
Select United flight, departing Sat, May 30 from Mobile to Washington, returning Wed, Jun 3, priced at $309 found 1 day ago
Delta
Thu, Oct 15 - Sun, Oct 18
MOB
Mobile
IAD
Washington
$314 Roundtrip, found 1 hour ago
$314
Roundtrip
found 1 hour ago
Select Delta flight, departing Thu, Oct 15 from Mobile to Washington, returning Sun, Oct 18, priced at $314 found 1 hour ago
United
Fri, Jun 12 - Tue, Jun 16
MOB
Mobile
IAD
Washington
$320 Roundtrip, found 16 hours ago
$320
Roundtrip
found 16 hours ago
Select United flight, departing Fri, Jun 12 from Mobile to Washington, returning Tue, Jun 16, priced at $320 found 16 hours ago
American Airlines
Fri, Jul 3 - Wed, Jul 8
MOB
Mobile
IAD
Washington
$328 Roundtrip, found 1 day ago
$328
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Jul 3 from Mobile to Washington, returning Wed, Jul 8, priced at $328 found 1 day ago
Delta
Thu, Jul 16 - Mon, Jul 20
MOB
Mobile
IAD
Washington
$330 Roundtrip, found 3 days ago
$330
Roundtrip
found 3 days ago
Select Delta flight, departing Thu, Jul 16 from Mobile to Washington, returning Mon, Jul 20, priced at $330 found 3 days ago
United
Fri, Aug 21 - Sun, Sep 6
MOB
Mobile
IAD
Washington
$333 Roundtrip, found 1 day ago
$333
Roundtrip
found 1 day ago
Select United flight, departing Fri, Aug 21 from Mobile to Washington, returning Sun, Sep 6, priced at $333 found 1 day 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. Closest option available. Average driving time to city center is 8 minutes. Flights from $828
DCA
Ronald Reagan Washington National
Closest
Average driving time to city center8 min
Flights from $828

Frequently asked questions

How much does a flight from Mobile, AL (MOB-Mobile Regional) to Washington, DC (IAD-Washington Dulles Intl.) cost?
You can find cheap one-way flights from $184 and cheap return flights from $269 Mobile, AL (MOB-Mobile Regional) to Washington, DC (IAD-Washington Dulles Intl.) with Expedia. One-way flights usually range from $238 to $797, and return flights typically cost between $357 and $1056. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Mobile, AL (MOB-Mobile Regional) to Washington, DC (IAD-Washington Dulles Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Mobile, AL (MOB-Mobile Regional) to Washington, DC (IAD-Washington Dulles Intl.)?
February is the cheapest month to fly from Mobile, AL (MOB) to Washington, DC (IAD), with average return fares around $312. This is about 16% lower than the average price throughout the year, as demand typically decreases after the holiday season. Other cheap months to fly from Mobile to Washington, DC include March and April.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Mobile, AL (MOB-Mobile Regional) to Washington, DC (IAD-Washington Dulles Intl.)?
United operates around 9 direct flights from MOB to IAD every week.
What is the cheapest airline that flies from Mobile, AL (MOB-Mobile Regional) to Washington, DC (IAD-Washington Dulles Intl.)?
United is one of the cheapest airlines offering nonstop flights from Mobile Regional (MOB) to Washington Dulles Intl. (IAD), with round-trip tickets starting from around $209. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Mobile, AL (MOB-Mobile Regional) to Washington, DC (IAD-Washington Dulles Intl.)?
To find a cheap flight from Mobile, AL (MOB-Mobile Regional) to Washington, DC (IAD-Washington Dulles Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Mobile, AL (MOB-Mobile Regional) to Washington, DC (IAD-Washington Dulles Intl.)?
The best airline to fly with from Mobile, AL (MOB) to Washington, DC (IAD) will differ from traveler to traveler. If you like to fly early, United offers early morning flights. If price is the most important factor, United typically offers the lowest fares. Delta offers the most daily flights from MOB to IAD, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Mobile, AL (MOB-Mobile Regional) to Washington, DC (IAD-Washington Dulles Intl.)?
The best times to fly from Mobile, AL (MOB) to Washington, DC (IAD) are February and March. Return flights during these months average around $312, making them a budget-friendly choice. February is typically quieter, while March offers the chance to see the cherry blossoms in bloom, enhancing your travel experience.*Prices based on flights available on Expedia in the last year.
How many flights per day from Mobile, AL (MOB-Mobile Regional) to Washington, DC (IAD-Washington Dulles Intl.)?
On average, there are around 1 nonstop flights per day from Mobile Regional (MOB) to Washington Dulles Intl. (IAD). For more options, look at flights that include layovers.
What is the earliest flight from Mobile, AL (MOB-Mobile Regional) to Washington, DC (IAD-Washington Dulles Intl.)?
The earliest flight from Mobile Regional Airport (MOB) to Washington Dulles International Airport (IAD) typically departs at around 5:05 AM local time, operated by American Airlines. This is a seasonal service active in November, allowing you to maximize your day in Washington, D.C. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Mobile, AL (MOB-Mobile Regional) to Washington, DC (IAD-Washington Dulles Intl.)?
The most popular departure times for flights from Mobile Regional (MOB) to Washington Dulles Intl. (IAD) are in the early morning, from 6am to 9am. About 29% of passengers prefer this time window. Many major carriers, including United, Delta and American Airlines, offer flights during this window. This timing works well because it allows you to arrive in Washington with a full day ahead of you.
How long does it take to fly from Mobile, AL (MOB-Mobile Regional) to Washington, DC (IAD-Washington Dulles Intl.)?
A nonstop flight from MOB to IAD typically takes around 2 hours 30 minutes, covering approximately 837 miles. Connecting flights on this route usually add 2 hours to your travel time. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Mobile, AL (MOB-Mobile Regional) to Washington, DC (IAD-Washington Dulles Intl.)?
First class seats are offered on the MOB to IAD route. First class cabins are available on:

  • Delta Air Lines
  • American Airlines
  • United Airlines

How do I earn miles on a Mobile, AL (MOB-Mobile Regional) to Washington, DC (IAD-Washington Dulles Intl.) flight with Expedia?
It's easy to earn miles on a Mobile, AL (MOB-Mobile Regional) to Washington, DC (IAD-Washington Dulles Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Washington from Mobile Regional (MOB)?
From Mobile Regional (MOB), you can fly into Washington Dulles Intl. (IAD) and Ronald Reagan Washington National (DCA) in Washington. Some flights may connect through major hubs like Hartsfield-Jackson Atlanta Intl. (ATL), George Bush Intercontinental (IAH) before reaching Washington. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Mobile, AL (MOB-Mobile Regional) to Washington, DC (IAD-Washington Dulles Intl.) at the last minute?
Typically, booking a last minute flight from Mobile, AL (MOB-Mobile Regional) to Washington, DC (IAD-Washington Dulles Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Mobile, AL (MOB-Mobile Regional) to Washington, DC (IAD-Washington Dulles Intl.) flight and hotel package?
Securing a Mobile, AL (MOB-Mobile Regional) to Washington, DC (IAD-Washington Dulles Intl.) Fairfax County Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Mobile, AL (MOB-Mobile Regional) to Washington, DC (IAD-Washington Dulles Intl.)?
If you booked your Mobile, AL (MOB-Mobile Regional) to Washington, DC (IAD-Washington Dulles Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Mobile Regional
Destination airport
Washington Dulles Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$269
Distance
836 mi
Average flight time
2 hours 26 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 June. 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 $184 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.

*Available to One Key members.

 

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