HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dulles Intl

$160+ 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 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
MLI — IAD
Apr 11 — Apr 181
Sat 4/11
Sat 4/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Moline to Dulles Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 March 12, 2026.

This Delta deal was found by Cheapflights users on 3/9. 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.
Tue 4/215:55 am
MLI
-
IAD
1 stop4h 47m
Delta
Sat 4/256:30 pm
IAD
-
MLI
1 stop5h 05m
Delta
Deal found 3/9$271
This Delta deal was found by Cheapflights users on 3/9. 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.
Tue 9/1511:00 am
MLI
-
IAD
1 stop4h 41m
Delta
Fri 9/256:00 am
IAD
-
MLI
1 stop5h 26m
Delta
Deal found 3/9$289
This United Airlines deal was found by Cheapflights users on 3/8. 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.
Sat 3/2810:46 am
MLI
-
IAD
1 stop5h 54m
United Airlines
Tue 3/318:20 am
IAD
-
MLI
1 stop6h 29m
United Airlines
Deal found 3/8$294
This American Airlines deal was found by Cheapflights users on 3/10. 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 4/2112:04 pm
MLI
-
IAD
2 stops10h 02m
American Airlines
Sat 4/255:59 pm
IAD
-
MLI
1 stop6h 30m
American Airlines
Deal found 3/10$305
This Delta deal was found by Cheapflights users on 3/12. 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 5/295:17 pm
MLI
-
IAD
1 stop6h 34m
Delta
Mon 6/16:08 am
IAD
-
MLI
1 stop5h 12m
Delta
Deal found 3/12$309
This Delta deal was found by Cheapflights users on 3/9. 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.
Tue 9/155:00 pm
MLI
-
IAD
2 stops17h 51m
Delta
Mon 9/285:30 pm
IAD
-
MLI
1 stop6h 00m
Delta
Deal found 3/9$312
This Delta deal was found by Cheapflights users on 3/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/265:00 pm
MLI
-
IAD
1 stop6h 09m
Delta
Sat 7/46:00 am
IAD
-
MLI
1 stop5h 26m
Delta
Deal found 3/8$314
This American Airlines deal was found by Cheapflights users on 3/9. 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.
Tue 4/1412:52 pm
MLI
-
IAD
1 stop4h 49m
American Airlines
Sun 4/266:25 am
IAD
-
MLI
1 stop7h 02m
American Airlines
Deal found 3/9$315
This American Airlines deal was found by Cheapflights users on 3/9. 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.
Thu 4/912:52 pm
MLI
-
IAD
1 stop5h 33m
American Airlines
Sun 4/126:25 am
IAD
-
MLI
1 stop7h 02m
American Airlines
Deal found 3/9$324

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 March 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$271
(Delta)

One-way from

$160
(Kiwi.com)

Popular in

November

Cheapest in

January

Average price

$403
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. 29% potential increase in price ($180 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 14% potential price decrease ($56 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 12, 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

Tue 4/21

5:11 pm-12:42 am

1 stop6h 31m

Washington, D.C. Dulles Intl

Sat 4/25

6:30 pm-10:35 pm

1 stop5h 05m

$271

MolineWashington, D.C.

MLI - IAD

MLIIAD

Moline Quad-City

Wed 6/10

5:00 pm-12:09 am

1 stop6h 09m

Washington, D.C. Dulles Intl

Sun 6/14

6:00 am-10:26 am

1 stop5h 26m

$289
Quickest round-trip

MolineWashington, D.C.

MLI - IAD

MLIIAD

Moline Quad-City

Sat 6/6

6:30 am-11:52 am

1 stop4h 22m

Washington, D.C. Dulles Intl

Mon 6/15

8:15 am-12:39 pm

1 stop5h 24m

$309

MolineWashington, D.C.

MLI - IAD

MLIIAD

Moline Quad-City

Mon 6/29

6:34 pm-12:45 am

1 stop5h 11m

Washington, D.C. Dulles Intl

Fri 7/3

6:10 am-9:59 am

1 stop4h 49m

$334

MolineWashington, D.C.

MLI - IAD

MLIIAD

Moline Quad-City

Mon 6/29

5:00 pm-12:09 am

1 stop6h 09m

Washington, D.C. Dulles Intl

Fri 7/3

6:00 am-10:26 am

1 stop5h 26m

$334

MolineWashington, D.C.

MLI - IAD

MLIIAD

Moline Quad-City

Sat 6/27

2:31 pm-9:22 pm

1 stop5h 51m

Washington, D.C. Dulles Intl

Fri 7/3

6:10 am-9:59 am

1 stop4h 49m

$334

MolineWashington, D.C.

MLI - IAD

MLIIAD

Moline Quad-City

Wed 4/29

10:35 am-5:28 pm

1 stop5h 53m

Washington, D.C. Dulles Intl

Sat 5/2

5:15 pm-9:02 pm

1 stop4h 47m

$341

MolineWashington, D.C.

MLI - IAD

MLIIAD

Moline Quad-City

Fri 3/27

6:30 am-11:49 am

1 stop4h 19m

Washington, D.C. Dulles Intl

Tue 3/31

8:20 am-1:49 pm

1 stop6h 29m

$364

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

Sun 6/7

8:15 am-12:39 pm

1 stop5h 24m

$379
Cheapest one-way

MolineWashington, D.C.

MLI - IAD

MLIIAD

Moline Quad-City

Wed 4/1

11:06 am-4:39 pm

2 stops28h 33m

$165

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/8

Showing 1-10 of 20 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 March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust 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.

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 March 12, 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
9,418 reviews

Comfort

7.3

Food

6.6

Crew

8.1

Entertainment

7.1

Overall

7.4

Boarding

7.7

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
9,418 reviews
United Airlines
7.4
Good
9,418 reviews

Comfort

7.3

Food

6.6

Crew

8.1

Entertainment

7.1

Overall

7.4

Boarding

7.7

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 Delta and United Airlines fly from Moline to Washington, D.C. Dulles Intl Airport in about 4h 22m. The time it takes to get you to your destination can typically vary by up to 2h 09m. 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 43% 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
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Herndon
Hyattsville
Hanover
Laurel
Rockville
Upper Marlboro
Linthicum Heights
Fredericksburg
Largo
Bowie
Clinton
Towson
College Park

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 March 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$248Average$433FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.