What are the cheapest airlines flying from Moline to Washington, D.C. Dulles Intl Airport round-trip?

Delta, at $357, was found to be the cheapest airline from Moline to Washington, D.C. Dulles Intl Airport.Alternate airlines to your destination round-trip include American Airlines and United Airlines. You may be able to fly from Moline to Washington, D.C. Dulles Intl Airport for 15% less than the average price by searching for these airlines.

What is the cheapest day to fly from Moline to Washington, D.C. Dulles Intl Airport?

Travelers seeking maximum savings on their Moline to Washington, D.C. Dulles Intl Airport flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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

Leaving on a Monday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 165% on the overall cost on flights from Moline to Washington, D.C. Dulles Intl Airport.

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

September can be a great time to fly to Washington, D.C. Dulles Intl Airport from Moline with a flight ticket averaging about $335. Cheapflights users have found deals in the month of September for as cheap as $228. The most expensive prices can be found in the month of April.

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

One of the essential ways to save on airfare from Moline to Washington, D.C. Dulles Intl Airport is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 17% on airfare.

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 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.

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.

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.

$179+ Flights from Moline to Washington, D.C. Dulles Intl Airport

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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”

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Cheap flight deals from Moline to Dulles Intl

Most accurate provider	FlightHub 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$357 (Delta)
One-way from	$179 (Delta)
Popular in	April
Cheapest in	September
Average price	$651

Provider with most accurate pricing for Moline Quad-City-Washington, D.C. Dulles Intl flight deals.

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Provider most trusted by Cheapflights users for Moline Quad-City-Washington, D.C. Dulles Intl flights.

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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. 9% potential increase in price ($44 potential increase over avg. RT price).

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Cheapest flight prices on average. 5% potential price decrease ($22 potential savings vs. average RT price).

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Average for round-trip flights in April 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 April 29, 2025.

Wed 9/175:00 pmMLI - IAD

1 stop6h 07mDelta

Tue 9/235:25 pmIAD - MLI

1 stop6h 05mDelta

Deal found 4/28

$357

Wed 9/177:15 amMLI - IAD

1 stop4h 35mAmerican Airlines

Tue 9/238:58 amIAD - MLI

2 stops12h 39mAmerican Airlines

Deal found 4/28

$362

Tue 5/275:40 pmMLI - IAD

1 stop5h 50mUnited Airlines

Tue 6/36:48 amIAD - MLI

1 stop4h 32mUnited Airlines

Deal found 4/28

$427

Thu 5/110:38 amMLI - IAD

1 stop8h 30mMultiple Airlines

Thu 5/81:05 pmIAD - MLI

3 stops29h 20mMultiple Airlines

Deal found 4/28

$670

Best flights from Moline to Dulles Intl
Discover carefully curated flight deals from Moline to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 29, 2025.

Wed 9/175:00 pmMLI - IAD

1 stop6h 07mDelta

Tue 9/235:25 pmIAD - MLI

1 stop6h 05mDelta

Deal found 4/28

$357

Wed 9/177:15 amMLI - IAD

1 stop4h 35mAmerican Airlines

Tue 9/238:58 amIAD - MLI

2 stops12h 39mAmerican Airlines

Deal found 4/28

$362

Tue 5/275:40 pmMLI - IAD

1 stop5h 50mUnited Airlines

Tue 6/36:48 amIAD - MLI

1 stop4h 32mUnited Airlines

Deal found 4/28

$427

Last-minute flights from Moline to Dulles Intl
Discover last-minute flight deals from Moline to Dulles Intl. Data last updated April 29, 2025 and is based on user searches.

Thu 5/110:38 amMLI - IAD

1 stop8h 30mMultiple Airlines

Thu 5/81:05 pmIAD - MLI

3 stops29h 20mMultiple Airlines

Deal found 4/28

$670

Fri 5/96:00 amMLI - IAD

1 stop7h 42mDelta

Mon 5/125:50 pmIAD - MLI

1 stop6h 07mDelta

Deal found 4/28

$587

Fri 5/96:30 amMLI - IAD

1 stop6h 36mUnited Airlines

Mon 5/1210:12 pmIAD - MLI

2 stops12h 59mUnited Airlines

Deal found 4/28

$592

Sat 5/176:30 amMLI - IAD

2 stops12h 04mAmerican Airlines

Mon 5/265:26 pmIAD - MLI

1 stop5h 48mAmerican Airlines

Deal found 4/28

$502

Tue 5/275:40 pmMLI - IAD

1 stop5h 50mUnited Airlines

Tue 6/36:48 amIAD - MLI

1 stop4h 32mUnited Airlines

Deal found 4/28

$427

Thu 5/295:15 pmMLI - IAD

1 stop6h 13mDelta

Wed 6/45:56 pmIAD - MLI

1 stop6h 01mDelta

Deal found 4/28

$357

One-way flights from Moline to Dulles Intl
Search for one-way flight options from Moline to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated April 29, 2025.

Sun 5/256:00 amMLI - IAD

1 stop4h 41mDelta

Deal found 4/28

$179

Sun 5/255:40 pmMLI - IAD

2 stops12h 51mUnited Airlines

Deal found 4/28

$282

Cheapflights Fare Finder

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

MolineWashington, D.C.

MLI - IAD

MLIIAD

Moline Quad-City

Wed 9/17

5:00 pm-12:07 am

1 stop6h 07m

Washington, D.C. Dulles Intl

Tue 9/23

5:25 pm-10:30 pm

1 stop6h 05m

$357

MolineWashington, D.C.

MLI - IAD

MLIIAD

Moline Quad-City

Wed 9/17

7:15 am-12:50 pm

1 stop4h 35m

Washington, D.C. Dulles Intl

Tue 9/23

8:58 am-8:37 pm

2 stops12h 39m

$362

MolineWashington, D.C.

MLI - IAD

MLIIAD

Moline Quad-City

Tue 5/27

5:40 pm-12:30 am

1 stop5h 50m

Washington, D.C. Dulles Intl

Tue 6/3

6:48 am-10:20 am

1 stop4h 32m

$427

MolineWashington, D.C.

MLI - IAD

MLIIAD

Moline Quad-City

Sun 5/25

6:00 am-11:41 am

1 stop4h 41m

$179

MolineWashington, D.C.

MLI - IAD

MLIIAD

Moline Quad-City

Sun 5/25

5:40 pm-7:31 am

2 stops12h 51m

$282

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Compare providers for flights from Moline to Dulles Intl

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.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
eDreams	Price Accuracy3 stars	Trust 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 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, August is the cheapest month in which you can book a flight from Moline to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Moline to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $373). 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.

Rainfall in Dulles Intl by month

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Dulles Intl

Read through reviews of airlines operating flights from Moline to Washington, D.C., such as Delta, United Airlines and American Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,929 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

8.0

Very good

7,929 reviews

Delta

8.0

Very good

7,929 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines

7.4

Good

8,696 reviews

Delta

8.0

Very good

7,929 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,929 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

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.
What are the cheapest airlines flying from Moline to Washington, D.C. Dulles Intl Airport round-trip?
Delta, at $357, was found to be the cheapest airline from Moline to Washington, D.C. Dulles Intl Airport.Alternate airlines to your destination round-trip include American Airlines and United Airlines. You may be able to fly from Moline to Washington, D.C. Dulles Intl Airport for 15% 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 $309). Flying from Moline to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $373). 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

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Fairfax

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Top 2 airlines flying from Moline to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$198	Average$283	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$268	Average$468	FlexibilityNo cancel fee	On-time69%

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$179+ 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 5/25. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Moline to Dulles Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Moline to Dulles Intl

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Moline to Dulles Intl

Cheapest flights from Moline to Dulles IntlExplore 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 29, 2025.

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 29, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Moline to Washington, D.C. Dulles Intl Airport that are best for you.

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.

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.

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?

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

Reviews of airlines servicing Dulles Intl

Read through reviews of airlines operating flights from Moline to Washington, D.C., such as Delta, United Airlines and American Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

What are the cheapest airlines flying from Moline to Washington, D.C. Dulles Intl Airport round-trip?

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

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

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

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

Traveling to a place near Moline?

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.

Alternative routes for Moline to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Moline to Dulles Intl

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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 29, 2025.