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Dulles Intl

$226+ Cheap flights from Moline (MLI) to Dulles Intl (IAD)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
MLI — IAD
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap 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 September 11, 2025.

Round-trip from

$249
(United Airlines)

One-way from

$239
(United Airlines)

Popular in

February

Cheapest in

December

Average price

$625
From Moline Quad-City to Washington, D.C. Dulles Intl
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One-way flight from Moline Quad-City to Washington, D.C. Dulles Intl
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Highest demand for flights based on searches. 6% potential increase in price ($29 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 11, 2025.

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.
Fri 10/246:30 amMLI - IAD
1 stop6h 21mUnited Airlines
Sun 11/25:30 amIAD - MLI
1 stop4h 45mUnited Airlines
Deal found 9/11$249
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/215:00 pmMLI - IAD
1 stop5h 18mDelta
Sat 10/255:52 pmIAD - MLI
1 stop5h 28mDelta
Deal found 9/11$251
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.
Wed 9/246:30 amMLI - IAD
1 stop6h 19mUnited Airlines
Sat 9/275:15 pmIAD - MLI
1 stop4h 50mUnited Airlines
Deal found 9/10$259
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/257:04 amMLI - IAD
1 stop5h 19mAmerican Airlines
Mon 9/2912:48 pmIAD - MLI
2 stops9h 44mAmerican Airlines
Deal found 9/11$264
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.
Fri 10/248:35 amMLI - IAD
1 stop4h 16mUnited Airlines
Tue 10/286:30 amIAD - MLI
1 stop6h 20mUnited Airlines
Deal found 9/10$266
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 9/248:19 amMLI - IAD
1 stop4h 32mAmerican Airlines
Sat 9/2712:48 pmIAD - MLI
2 stops9h 44mAmerican Airlines
Deal found 9/10$289
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 10/26:30 amMLI - IAD
1 stop4h 25mUnited Airlines
Mon 10/66:50 pmIAD - MLI
1 stop4h 53mUnited Airlines
Deal found 9/11$300
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 9/186:30 amMLI - IAD
1 stop6h 19mUnited Airlines
Mon 9/225:10 pmIAD - MLI
1 stop5h 02mUnited Airlines
Deal found 9/11$309
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/187:04 amMLI - IAD
1 stop5h 19mAmerican Airlines
Mon 9/2211:18 amIAD - MLI
2 stops11h 14mAmerican Airlines
Deal found 9/11$314
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.
Wed 10/295:20 pmMLI - IAD
1 stop5h 39mUnited Airlines
Sun 11/25:30 amIAD - MLI
1 stop6h 20mUnited Airlines
Deal found 9/11$319
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 10/218:17 amMLI - IAD
1 stop4h 31mAmerican Airlines
Sat 10/256:34 amIAD - MLI
2 stops11h 23mAmerican Airlines
Deal found 9/10$323

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 September 11, 2025.
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

Moline

Fly to

Dulles Intl

Route

Depart

Return

Price

MolineWashington, D.C.

MLI - IAD

MLIIAD

Moline Quad-City

Fri 10/24

6:30 am-1:51 pm

1 stop6h 21m

Washington, D.C. Dulles Intl

Sun 11/2

5:30 am-9:15 am

1 stop4h 45m

$249

MolineWashington, D.C.

MLI - IAD

MLIIAD

Moline Quad-City

Tue 12/23

5:33 pm-12:15 am

1 stop5h 42m

Washington, D.C. Dulles Intl

Sat 12/27

6:30 am-12:13 pm

1 stop6h 43m

$249

MolineWashington, D.C.

MLI - IAD

MLIIAD

Moline Quad-City

Fri 11/14

10:50 am-3:55 pm

1 stop4h 05m

Washington, D.C. Dulles Intl

Wed 11/19

6:30 am-10:15 am

1 stop4h 45m

$249

MolineWashington, D.C.

MLI - IAD

MLIIAD

Moline Quad-City

Tue 10/21

5:00 pm-11:18 pm

1 stop5h 18m

Washington, D.C. Dulles Intl

Sat 10/25

5:52 pm-10:20 pm

1 stop5h 28m

$251

MolineWashington, D.C.

MLI - IAD

MLIIAD

Moline Quad-City

Thu 9/25

6:45 pm-12:21 am

1 stop4h 36m

Washington, D.C. Dulles Intl

Mon 9/29

6:50 pm-10:43 pm

1 stop4h 53m

$259

MolineWashington, D.C.

MLI - IAD

MLIIAD

Moline Quad-City

Wed 9/24

6:30 am-1:49 pm

1 stop6h 19m

Washington, D.C. Dulles Intl

Sat 9/27

5:15 pm-9:05 pm

1 stop4h 50m

$259

MolineWashington, D.C.

MLI - IAD

MLIIAD

Moline Quad-City

Fri 10/24

8:35 am-1:51 pm

1 stop4h 16m

Washington, D.C. Dulles Intl

Tue 10/28

6:30 am-11:50 am

1 stop6h 20m

$266

MolineWashington, D.C.

MLI - IAD

MLIIAD

Moline Quad-City

Thu 10/2

6:30 am-11:55 am

1 stop4h 25m

Washington, D.C. Dulles Intl

Mon 10/6

6:50 pm-10:43 pm

1 stop4h 53m

$300

MolineWashington, D.C.

MLI - IAD

MLIIAD

Moline Quad-City

Sat 2/21

5:00 pm-12:07 am

1 stop6h 07m

Washington, D.C. Dulles Intl

Wed 2/25

10:05 am-4:26 pm

1 stop7h 21m

$312

MolineWashington, D.C.

MLI - IAD

MLIIAD

Moline Quad-City

Thu 10/23

4:29 pm-11:53 pm

1 stop6h 24m

$239

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 15 results
1
2

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

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

Currently, August is the cheapest month in which you can book a flight from Moline to Washington, D.C. Dulles Intl Airport (average of $292). Flying from Moline 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.

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 Delta and 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.
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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. 2 airlines have 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 5h 18m. The time it takes to get you to your destination can typically vary by up to 1h 03m. 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 are the cheapest airlines flying from Moline to Washington, D.C. Dulles Intl Airport round-trip?

    Delta, at $228, was found to be the cheapest airline from Moline to Washington, D.C. Dulles Intl Airport. An alternate airline flying to your destination would be United Airlines. You may be able to fly from Moline to Washington, D.C. Dulles Intl Airport for 46% less than the average price by searching for these airlines.

  • 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.

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

    Currently, August is the cheapest month in which you can book a flight from Moline to Washington, D.C. Dulles Intl Airport (average of $292). Flying from Moline 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 Moline to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Dubuque to Baltimore flights

Top 2 airlines flying from Moline to Dulles Intl

Discover the top 2 airlines 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$228Average$283FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$268Average$470FlexibilityNo cancel feeOn-time69%

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