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Dulles Intl

$105+ Cheap flights from Mobile (MOB) to Dulles Intl (IAD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/25. Fares are subject to change and may not be available on all flights or dates of travel.
MOB — IAD
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Mobile to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Mobile (MOB) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$209
(United Airlines)

One-way from

$105
(Delta)

Popular in

March

Cheapest in

August

Average price

$287

Good round-trip deal

$330 or less

Good one-way deal

$214 or less
From Mobile to Washington, D.C. Dulles Intl
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One-way flight from Mobile to Washington, D.C. Dulles Intl
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Highest demand for flights based on searches. 8% potential increase in price ($29 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Mobile to Washington, D.C. Dulles Intl.
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Price to beat on a one-way flight from Mobile to Washington, D.C. Dulles Intl.
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Find flight deals from Mobile to Dulles Intl

Cheapest flights from Mobile to Dulles Intl
Explore the most affordable flight options available from Mobile to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/98:00 amMOB - IAD
Nonstop2h 26mUnited Airlines
Sun 10/198:55 amIAD - MOB
Nonstop2h 33mUnited Airlines
Deal found 9/10$209
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/177:12 pmMOB - IAD
1 stop4h 06mDelta
Wed 11/1910:05 amIAD - MOB
1 stop5h 57mDelta
Deal found 9/9$219
This American Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/291:46 pmMOB - IAD
1 stop4h 08mAmerican Airlines
Tue 11/411:25 amIAD - MOB
1 stop6h 22mAmerican Airlines
Deal found 9/10$229
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/912:23 pmMOB - IAD
Nonstop2h 22mUnited Airlines
Sun 10/128:55 amIAD - MOB
Nonstop2h 33mUnited Airlines
Deal found 9/9$232
This American Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/186:33 amMOB - IAD
1 stop6h 02mAmerican Airlines
Thu 11/276:34 amIAD - MOB
1 stop4h 46mAmerican Airlines
Deal found 9/10$239
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1612:23 pmMOB - IAD
Nonstop2h 22mUnited Airlines
Sun 10/198:55 amIAD - MOB
Nonstop2h 33mUnited Airlines
Deal found 9/10$249
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/266:57 pmMOB - IAD
1 stop4h 16mDelta
Tue 9/3012:35 pmIAD - MOB
1 stop6h 37mDelta
Deal found 9/10$264
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1612:23 pmMOB - IAD
Nonstop2h 22mUnited Airlines
Sun 10/269:00 amIAD - MOB
Nonstop2h 37mUnited Airlines
Deal found 9/11$282
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/198:00 amMOB - IAD
Nonstop2h 26mUnited Airlines
Mon 9/229:00 amIAD - MOB
Nonstop2h 33mUnited Airlines
Deal found 9/9$289
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/38:00 amMOB - IAD
Nonstop2h 26mUnited Airlines
Sun 10/58:55 amIAD - MOB
Nonstop2h 33mUnited Airlines
Deal found 9/9$299
This United Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/312:23 pmMOB - IAD
Nonstop2h 22mUnited Airlines
Tue 10/75:55 pmIAD - MOB
Nonstop2h 36mUnited Airlines
Deal found 9/8$308
This American Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/176:40 amMOB - IAD
1 stop6h 11mAmerican Airlines
Sun 9/218:12 pmIAD - MOB
1 stop4h 47mAmerican Airlines
Deal found 9/9$309

Cheapflights Fare Finder

 
Customize your flight search to find flights from Mobile to Dulles Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from Mobile to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Mobile

Fly to

Dulles Intl

Route

Depart

Return

Price

MobileWashington, D.C.

MOB - IAD

MOBIAD

Mobile

Thu 10/9

8:00 am-11:26 am

Nonstop2h 26m

Washington, D.C. Dulles Intl

Sun 10/19

8:55 am-10:28 am

Nonstop2h 33m

$209

MobileWashington, D.C.

MOB - IAD

MOBIAD

Mobile

Wed 2/18

7:15 pm-12:07 am

1 stop3h 52m

Washington, D.C. Dulles Intl

Sat 2/21

7:50 pm-10:59 pm

1 stop4h 09m

$209

MobileWashington, D.C.

MOB - IAD

MOBIAD

Mobile

Mon 11/17

7:12 pm-12:18 am

1 stop4h 06m

Washington, D.C. Dulles Intl

Wed 11/19

10:05 am-3:02 pm

1 stop5h 57m

$219

MobileWashington, D.C.

MOB - IAD

MOBIAD

Mobile

Wed 10/29

1:46 pm-6:54 pm

1 stop4h 08m

Washington, D.C. Dulles Intl

Tue 11/4

5:29 pm-11:05 pm

1 stop6h 36m

$229

MobileWashington, D.C.

MOB - IAD

MOBIAD

Mobile

Fri 9/26

12:45 pm-4:07 pm

Nonstop2h 22m

Washington, D.C. Dulles Intl

Sun 9/28

8:55 am-10:28 am

Nonstop2h 33m

$229

MobileWashington, D.C.

MOB - IAD

MOBIAD

Mobile

Tue 11/18

5:30 pm-11:07 pm

1 stop4h 37m

Washington, D.C. Dulles Intl

Thu 11/27

6:34 am-10:20 am

1 stop4h 46m

$239

MobileWashington, D.C.

MOB - IAD

MOBIAD

Mobile

Wed 10/8

12:23 pm-3:45 pm

Nonstop2h 22m

Washington, D.C. Dulles Intl

Sun 10/19

8:55 am-10:28 am

Nonstop2h 33m

$249

MobileWashington, D.C.

MOB - IAD

MOBIAD

Mobile

Thu 10/16

12:23 pm-3:45 pm

Nonstop2h 22m

Washington, D.C. Dulles Intl

Sun 10/19

8:55 am-10:28 am

Nonstop2h 33m

$249

MobileWashington, D.C.

MOB - IAD

MOBIAD

Mobile

Fri 9/26

6:57 pm-12:13 am

1 stop4h 16m

Washington, D.C. Dulles Intl

Tue 9/30

12:35 pm-6:12 pm

1 stop6h 37m

$264

MobileWashington, D.C.

MOB - IAD

MOBIAD

Mobile

Wed 2/18

8:10 am-11:35 am

Nonstop2h 25m

Washington, D.C. Dulles Intl

Sat 2/21

5:35 pm-7:10 pm

Nonstop2h 35m

$279

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 22 results
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Best time to book a flight from Mobile to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Mobile with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Mobile to Washington, D.C. Dulles Intl Airport

What is the cheapest month to book a flight from Mobile to Washington, D.C. Dulles Intl Airport?

Currently, August is the cheapest month in which you can book a flight from Mobile to Washington, D.C. Dulles Intl Airport (average of $292). Flying from Mobile to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from MOB to IAD?

Find hourly flight availability from Mobile to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

A simple way to save on the total cost of your ticket is to fly from Mobile to Washington, D.C. Dulles Intl Airport in the afternoon. If you’re flexible enough to do this you can expect to save up to 40% on your trip compared to booking a flight in the morning.

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated September 11, 2025.
Read reviews from past customers who have flown United Airlines from Mobile to Washington, D.C. Dulles Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,937 reviews

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,937 reviews
United Airlines
7.4
Good
8,937 reviews

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

Find useful and relevant information for your journey from Mobile to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Mobile to Washington, D.C. Dulles Intl?

    Mobile (MOB), located 11.8 mi from the city center, is the airport you fly out of when you book flights from Mobile to Washington, D.C. Dulles Intl. 1 airline have flights from Mobile to Washington, D.C. Dulles Intl on a regular basis. Booking flights from Mobile to Washington, D.C. Dulles Intl should not be difficult; the airport handles an average of 2 outbound flights to Washington, D.C. Dulles Intl per day.

  • How long is the flight from Mobile to Washington, D.C. Dulles Intl Airport?

    Airlines like United Airlines, Delta, and American Airlines fly from Mobile to Washington, D.C. Dulles Intl Airport in about 2h 26m. The time it takes to get you to your destination can typically vary by up to 1h 42m. Mobile and Washington, D.C. Dulles Intl Airport are separated by a distance of 835 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What is the cheapest airline to fly from Mobile to Washington, D.C. Dulles Intl Airport round-trip?

    Our cheapest airline available from Mobile to Washington, D.C. Dulles Intl Airport is United Airlines. Our recent data shows that you can find tickets from as low as $204 on this airline. You may be able to fly from Mobile to Washington, D.C. Dulles Intl Airport for 34% less than the average price by searching for this airline.

  • What are the cheapest flights from Mobile to Washington, D.C. Dulles Intl Airport?

    The cheapest flight price from Mobile to Washington, D.C. Dulles Intl Airport is $173. On average you can expect to pay $1,581. The most popular route, (Mobile - Washington, D.C. Dulles Intl), can usually be booked for $209.

  • Can I find deals for flights from Mobile to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Mobile to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Mobile to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Mobile to Dulles Intl.

  • Can I find deals for business class flights from Mobile to Dulles Intl?

    Yes. Cheapflights offers flight deals from Mobile to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Mobile to Washington, D.C. Dulles Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Mobile to Washington, D.C. Dulles Intl Airport (average of $292). Flying from Mobile to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Woodbridge
Alexandria
Arlington
Tysons
Silver Spring
Springfield
Gaithersburg
Fredericksburg
Linthicum Heights
Fairfax
Falls Church
Owings Mills
Manassas
Rockville
Hanover
Oxon Hill
Laurel
Towson
Dundalk
National Harbor

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Alternative routes for Mobile to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Mobile to Dulles Intl

Discover the top airline that operate flights from Mobile to Dulles Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$204Average$307FlexibilityNo cancel feeOn-time69%

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