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Dulles Intl

$249+ 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 1/6. Fares are subject to change and may not be available on all flights or dates of travel.
MLI — IAD
Jan 7 — Jan 141
Wed 1/7
Wed 1/14
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 December 8, 2025.

This United Airlines deal was found by Cheapflights users on 12/8. 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 12/121:00 pmMLI - IAD
1 stop7h 18mUnited Airlines
Sun 1/46:30 amIAD - MLI
1 stop6h 43mUnited Airlines
Deal found 12/8$309
This Delta deal was found by Cheapflights users on 12/6. 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 12/125:08 pmMLI - IAD
1 stop6h 04mDelta
Mon 12/153:38 pmIAD - MLI
1 stop7h 55mDelta
Deal found 12/6$339
This United Airlines deal was found by Cheapflights users on 12/7. 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 12/196:30 amMLI - IAD
1 stop4h 15mUnited Airlines
Mon 12/226:30 amIAD - MLI
1 stop4h 42mUnited Airlines
Deal found 12/7$357
This United Airlines deal was found by Cheapflights users on 12/6. 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 12/241:00 pmMLI - IAD
1 stop10h 15mUnited Airlines
Wed 12/318:15 amIAD - MLI
1 stop4h 58mUnited Airlines
Deal found 12/6$435
This United Airlines deal was found by Cheapflights users on 12/8. 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.
Mon 12/295:33 pmMLI - IAD
2 stops12h 42mUnited Airlines
Thu 1/16:30 amIAD - MLI
1 stop4h 42mUnited Airlines
Deal found 12/8$443
This American Airlines deal was found by Cheapflights users on 12/6. 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 12/123:37 pmMLI - IAD
1 stop6h 22mAmerican Airlines
Mon 12/1511:25 amIAD - MLI
2 stops12h 34mAmerican Airlines
Deal found 12/6$445
This United Airlines deal was found by Cheapflights users on 12/7. 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.
Mon 12/295:33 pmMLI - IAD
2 stops12h 42mUnited Airlines
Fri 1/26:30 amIAD - MLI
1 stop6h 43mUnited Airlines
Deal found 12/7$473

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 December 8, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$249
(United Airlines)

Popular in

November

Cheapest in

August

Average price

$532
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
Highest demand for flights based on searches. 24% potential increase in price ($149 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 11% potential price decrease ($48 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 8, 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

Tue 1/6

10:47 am-5:35 pm

1 stop5h 48m

Washington, D.C. Dulles Intl

Tue 1/13

5:17 pm-9:36 pm

1 stop5h 19m

$249

MolineWashington, D.C.

MLI - IAD

MLIIAD

Moline Quad-City

Fri 12/12

1:00 pm-9:18 pm

1 stop7h 18m

Washington, D.C. Dulles Intl

Sun 1/4

6:30 am-12:13 pm

1 stop6h 43m

$309

MolineWashington, D.C.

MLI - IAD

MLIIAD

Moline Quad-City

Sat 2/14

3:52 pm-9:23 pm

1 stop4h 31m

Washington, D.C. Dulles Intl

Wed 2/18

1:02 pm-4:47 pm

1 stop4h 45m

$319

MolineWashington, D.C.

MLI - IAD

MLIIAD

Moline Quad-City

Fri 12/12

5:08 pm-12:12 am

1 stop6h 04m

Washington, D.C. Dulles Intl

Mon 12/15

3:38 pm-10:33 pm

1 stop7h 55m

$339

MolineWashington, D.C.

MLI - IAD

MLIIAD

Moline Quad-City

Fri 12/19

6:30 am-11:45 am

1 stop4h 15m

Washington, D.C. Dulles Intl

Mon 12/22

6:30 am-10:12 am

1 stop4h 42m

$357

MolineWashington, D.C.

MLI - IAD

MLIIAD

Moline Quad-City

Tue 1/6

7:31 am-11:12 pm

2 stops14h 41m

Washington, D.C. Dulles Intl

Tue 1/13

1:08 pm-9:58 pm

2 stops9h 50m

$368

MolineWashington, D.C.

MLI - IAD

MLIIAD

Moline Quad-City

Fri 12/12

5:08 pm-12:12 am

1 stop6h 04m

$390

MolineWashington, D.C.

MLI - IAD

MLIIAD

Moline Quad-City

Fri 12/12

6:18 pm-4:31 pm

3 stops45h 13m

$403

MolineWashington, D.C.

MLI - IAD

MLIIAD

Moline Quad-City

Fri 12/12

8:48 am-1:23 pm

1 stop27h 35m

$443

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/5

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 December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Moline-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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

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

Currently, January is the cheapest month in which you can book a flight from Moline to Washington, D.C. Dulles Intl Airport (average of $248). Flying from Moline to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of $458). 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 December 8, 2025.
Read reviews from past customers who have flown United Airlines and American 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
9,089 reviews

Overall

7.4

Entertainment

7.1

Crew

8.1

Boarding

7.7

Comfort

7.3

Food

6.6

Reviews

1 / 20
10.0
Excellent

Tim,Sep 2025

LHR - IAD

The premium economy seats were very comfortable and the attention and service by the flight attendants was superb.
United Airlines
7.4
Good
9,089 reviews
United Airlines
7.4
Good
9,089 reviews

Overall

7.4

Entertainment

7.1

Crew

8.1

Boarding

7.7

Comfort

7.3

Food

6.6

Reviews

1 / 20
10.0
Excellent

Tim,Sep 2025

LHR - IAD

The premium economy seats were very comfortable and the attention and service by the flight attendants was superb.
American Airlines
7.2
Good
11,045 reviews
United Airlines
7.4
Good
9,089 reviews

Overall

7.4

Entertainment

7.1

Crew

8.1

Boarding

7.7

Comfort

7.3

Food

6.6

Reviews

1 / 20
10.0
Excellent

Tim,Sep 2025

LHR - IAD

The premium economy seats were very comfortable and the attention and service by the flight attendants was superb.

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 fly from Moline to Washington, D.C. Dulles Intl Airport in about 5h 48m. The time it takes to get you to your destination can typically vary by up to . There are 709 mi between Moline and Washington, D.C. Dulles Intl Airport.

  • What are the cheapest airlines flying 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. An alternate airline flying to your destination would be American Airlines. You may be able to fly from Moline to Washington, D.C. Dulles Intl Airport for 47% 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, January is the cheapest month in which you can book a flight from Moline to Washington, D.C. Dulles Intl Airport (average of $248). Flying from Moline to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of $458). 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
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Hanover
Silver Spring
Fredericksburg
Fairfax
Linthicum Heights
Manassas
Rockville
Laurel
Towson
National Harbor
Bowie
Largo
McLean
Clinton

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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.
O'Hare Intl to Baltimore flights
O'Hare Intl to Reagan-National flights
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Midway to Reagan-National flights
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Peoria to Baltimore flights
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Evansville to Baltimore flights
Decatur to Baltimore flights
Evansville to Reagan-National flights
Champaign to Dulles Intl flights
Springfield to Reagan-National flights
Champaign to Reagan-National flights
Springfield to Dulles Intl flights
Champaign to Baltimore flights
Bloomington to Baltimore flights
Springfield to Baltimore flights
Bloomington to Dulles Intl flights
Bloomington to Reagan-National flights
Dubuque to Baltimore flights
Dubuque to Reagan-National 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 December 8, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$248Average$468FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$318Average$532FlexibilityNo cancel feeOn-time71%

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