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Dulles Intl

$177+ Cheap flights from Moline (MLI) 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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
MLI — IAD
May 27 — Jun 31
Wed 5/27
Wed 6/3
1 adult, Economy
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Cheap flight deals from Moline to Dulles Intl

Cheapest flights from Moline to Dulles Intl
Explore the most affordable flight options available from Moline to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 27, 2026.

This United Airlines deal was found by Cheapflights users on 4/26. 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 5/295:39 pm
MLI
-
IAD
1 stop6h 20m
United Airlines
Tue 6/25:38 pm
IAD
-
MLI
1 stop4h 36m
United Airlines
Deal found 4/26$261
This Delta deal was found by Cheapflights users on 4/23. 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 6/55:17 pm
MLI
-
IAD
1 stop6h 34m
Delta
Tue 6/166:00 am
IAD
-
MLI
1 stop5h 24m
Delta
Deal found 4/23$276
This Delta deal was found by Cheapflights users on 4/23. 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.
Sat 5/165:17 pm
MLI
-
IAD
1 stop6h 34m
Delta
Tue 5/1912:37 pm
IAD
-
MLI
1 stop5h 00m
Delta
Deal found 4/23$291
This Delta deal was found by Cheapflights users on 4/24. 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 5/225:17 pm
MLI
-
IAD
1 stop6h 34m
Delta
Wed 5/2710:11 am
IAD
-
MLI
1 stop7h 26m
Delta
Deal found 4/24$295
This American Airlines deal was found by Cheapflights users on 4/26. 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.
Fri 5/294:24 pm
MLI
-
IAD
1 stop6h 49m
American Airlines
Tue 6/21:06 pm
IAD
-
MLI
2 stops11h 24m
American Airlines
Deal found 4/26$309
This Delta deal was found by Cheapflights users on 4/23. 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.
Tue 7/75:07 pm
MLI
-
IAD
1 stop6h 34m
Delta
Sun 7/126:00 am
IAD
-
MLI
1 stop5h 22m
Delta
Deal found 4/23$310
This United Airlines deal was found by Cheapflights users on 4/22. 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.
Wed 6/106:34 pm
MLI
-
IAD
1 stop5h 11m
United Airlines
Wed 6/178:15 am
IAD
-
MLI
1 stop5h 24m
United Airlines
Deal found 4/22$326
This Delta deal was found by Cheapflights users on 4/23. 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.
Thu 5/145:17 pm
MLI
-
IAD
1 stop6h 34m
Delta
Wed 5/2010:11 am
IAD
-
MLI
1 stop7h 26m
Delta
Deal found 4/23$329
This Delta deal was found by Cheapflights users on 4/23. 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.
Wed 5/135:56 am
MLI
-
IAD
1 stop4h 43m
Delta
Wed 5/2010:11 am
IAD
-
MLI
1 stop7h 26m
Delta
Deal found 4/23$334
This United Airlines deal was found by Cheapflights users on 4/22. 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 5/76:35 am
MLI
-
IAD
1 stop4h 13m
United Airlines
Mon 5/115:15 pm
IAD
-
MLI
1 stop4h 47m
United Airlines
Deal found 4/22$339
This United Airlines deal was found by Cheapflights users on 4/22. 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.
Wed 6/31:15 pm
MLI
-
IAD
1 stop7h 07m
United Airlines
Sat 6/65:38 pm
IAD
-
MLI
1 stop5h 51m
United Airlines
Deal found 4/22$341
This American Airlines deal was found by Cheapflights users on 4/24. 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 4/2812:52 pm
MLI
-
IAD
1 stop4h 49m
American Airlines
Mon 5/113:26 pm
IAD
-
MLI
1 stop7h 39m
American Airlines
Deal found 4/24$343

Find flight deals from Moline to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Moline (MLI) 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 April 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$261
(United Airlines)

One-way from

$177
(Kiwi.com)

Popular in

November

Cheapest in

January

Average price

$328
Provider with most accurate pricing for Moline Quad-City-Washington, D.C. Dulles Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Moline Quad-City-Washington, D.C. Dulles Intl flights.
Search Deals
From Moline Quad-City to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Moline Quad-City to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 31% potential increase in price ($195 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 15% potential price decrease ($58 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Moline 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 April 27, 2026.
Use the filters below to find and compare flights from Moline to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MolineWashington, D.C.

MLI - IAD

MLIIAD

Moline Quad-City

Fri 5/29

5:39 pm-12:59 am

1 stop6h 20m

Washington, D.C. Dulles Intl

Tue 6/2

5:38 pm-9:14 pm

1 stop4h 36m

$261

MolineWashington, D.C.

MLI - IAD

MLIIAD

Moline Quad-City

Fri 6/5

5:17 pm-12:51 am

1 stop6h 34m

Washington, D.C. Dulles Intl

Tue 6/16

12:37 pm-4:37 pm

1 stop5h 00m

$276

MolineWashington, D.C.

MLI - IAD

MLIIAD

Moline Quad-City

Thu 6/25

5:56 am-11:39 am

1 stop4h 43m

Washington, D.C. Dulles Intl

Tue 7/7

6:00 am-10:22 am

1 stop5h 22m

$276
Quickest round-trip

MolineWashington, D.C.

MLI - IAD

MLIIAD

Moline Quad-City

Thu 6/4

6:34 pm-12:45 am

1 stop5h 11m

Washington, D.C. Dulles Intl

Tue 6/9

1:25 pm-5:09 pm

1 stop4h 44m

$276

MolineWashington, D.C.

MLI - IAD

MLIIAD

Moline Quad-City

Fri 6/12

5:17 pm-12:44 am

1 stop6h 27m

Washington, D.C. Dulles Intl

Tue 6/16

5:51 pm-10:34 pm

1 stop5h 43m

$276

MolineWashington, D.C.

MLI - IAD

MLIIAD

Moline Quad-City

Fri 6/26

6:30 am-11:52 am

1 stop4h 22m

Washington, D.C. Dulles Intl

Fri 7/3

8:15 am-1:56 pm

1 stop6h 41m

$291

MolineWashington, D.C.

MLI - IAD

MLIIAD

Moline Quad-City

Fri 5/29

4:24 pm-12:13 am

1 stop6h 49m

Washington, D.C. Dulles Intl

Tue 6/2

1:06 pm-11:30 pm

2 stops11h 24m

$309

MolineWashington, D.C.

MLI - IAD

MLIIAD

Moline Quad-City

Fri 5/8

5:17 pm-12:51 am

1 stop6h 34m

Washington, D.C. Dulles Intl

Tue 5/12

5:31 pm-10:21 pm

1 stop5h 50m

$339

MolineWashington, D.C.

MLI - IAD

MLIIAD

Moline Quad-City

Tue 6/30

6:30 am-11:52 am

1 stop4h 22m

Washington, D.C. Dulles Intl

Sat 7/4

5:38 pm-10:59 pm

1 stop6h 21m

$341

MolineWashington, D.C.

MLI - IAD

MLIIAD

Moline Quad-City

Wed 6/3

1:15 pm-7:02 pm

1 stop4h 47m

Washington, D.C. Dulles Intl

Sat 6/6

1:25 pm-5:52 pm

1 stop5h 27m

$341

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/24

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

Compare providers for flights from Moline to Dulles Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Moline to Dulles Intl in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Moline-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Moline-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Moline-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Moline-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Moline-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Moline to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Moline 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 Moline to Washington, D.C. Dulles Intl Airport

How much does it cost to fly round-trip from Moline to Washington, D.C. Dulles Intl Airport?

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 April 27, 2026.
Read reviews from past customers who have flown United Airlines from Moline 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
9,665 reviews

Boarding

7.7

Entertainment

7.1

Overall

7.4

Food

6.6

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,665 reviews
United Airlines
7.4
Good
9,665 reviews

Boarding

7.7

Entertainment

7.1

Overall

7.4

Food

6.6

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from Moline 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 Moline to Washington, D.C. Dulles Intl?

    For a flight from Moline to Washington, D.C. Dulles Intl, you will be flying from Quad-City. Moline Quad-City (MLI) is just 4.0 mi from the center of the city. Quad-City is the only Moline airport and it handles 0 outbound flights to Washington, D.C. Dulles Intl per day. 1 airline has flights to Washington, D.C. Dulles Intl from Moline Quad-City on a regular basis.

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

    Airlines like United Airlines and Delta fly from Moline to Washington, D.C. Dulles Intl Airport in about 6h 20m. The time it takes to get you to your destination can typically vary by up to 14m. There are 709 mi between Moline and Washington, D.C. Dulles Intl Airport. Both multi-stop and nonstop flights can be found to your destination and back.

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

    United Airlines, at $248, was found to be the cheapest airline from Moline to Washington, D.C. Dulles Intl Airport.. You may be able to fly from Moline to Washington, D.C. Dulles Intl Airport for 41% less than the average price by searching for this airline.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Moline 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.

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
Alexandria
Tysons
Owings Mills
Springfield
Arlington
Silver Spring
Herndon
Rockville
Hyattsville
Manassas
Fredericksburg
Woodbridge
Hanover
Laurel
Largo
Upper Marlboro
Waldorf
Clinton
Hunt Valley
Cordova

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Moline to Dulles Intl

Discover the top airline that operate flights from Moline 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 April 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$248Average$340FlexibilityNo cancel feeOn-time69%

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