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

American Airlines, at $249, was found to be the cheapest airline from Moline to Washington, D.C. Dulles Intl Airport.Alternate airlines to your destination round-trip include Delta and United Airlines. You may be able to fly from Moline to Washington, D.C. Dulles Intl Airport for 39% 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?

February can be a great time to fly to Washington, D.C. Dulles Intl Airport from Moline with a flight ticket averaging about $344. Cheapflights users have found deals in the month of February for as cheap as $249. The most expensive prices can be found in the month of June.

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.

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.

$126+ Flights from Moline to Washington, D.C. Dulles Intl Airport

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Cheap flight deals from Moline to Dulles Intl

Round-trip from	$249 (American Airlines)
One-way from	$126 (United Airlines)
Popular in	February
Cheapest in	September
Average price	$567

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. 4% potential price decrease ($16 potential savings vs. average RT price).

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Average for round-trip flights in June 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 June 12, 2025.

Thu 8/144:21 pmMLI - IAD

1 stop6h 38mAmerican Airlines

Mon 8/187:25 pmIAD - MLI

1 stop4h 36mAmerican Airlines

Deal found 6/10

$249

Wed 8/65:26 pmMLI - IAD

1 stop4h 50mDelta

Tue 8/125:25 pmIAD - MLI

1 stop6h 23mDelta

Deal found 6/10

$251

Thu 7/175:20 pmMLI - IAD

1 stop6h 10mUnited Airlines

Sun 7/206:35 amIAD - MLI

1 stop4h 47mUnited Airlines

Deal found 6/10

$267

Mon 6/236:33 pmMLI - IAD

3 stops25h 36mMultiple Airlines

Thu 6/268:25 amIAD - MLI

3 stops34h 18mMultiple Airlines

Deal found 6/10

$695

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 June 12, 2025.

Thu 8/144:21 pmMLI - IAD

1 stop6h 38mAmerican Airlines

Mon 8/187:25 pmIAD - MLI

1 stop4h 36mAmerican Airlines

Deal found 6/10

$249

Wed 8/65:26 pmMLI - IAD

1 stop4h 50mDelta

Tue 8/125:25 pmIAD - MLI

1 stop6h 23mDelta

Deal found 6/10

$251

Thu 7/175:20 pmMLI - IAD

1 stop6h 10mUnited Airlines

Sun 7/206:35 amIAD - MLI

1 stop4h 47mUnited Airlines

Deal found 6/10

$267

Mon 6/236:33 pmMLI - IAD

3 stops25h 36mMultiple Airlines

Thu 6/268:25 amIAD - MLI

3 stops34h 18mMultiple Airlines

Deal found 6/10

$695

Last-minute flights from Moline to Dulles Intl
Discover last-minute flight deals from Moline to Dulles Intl. Data last updated June 12, 2025 and is based on user searches.

Tue 6/174:20 pmMLI - IAD

1 stop6h 39mAmerican Airlines

Tue 6/249:10 amIAD - MLI

1 stop7h 38mAmerican Airlines

Deal found 6/11

$474

Thu 6/195:35 pmMLI - IAD

1 stop5h 55mUnited Airlines

Sat 6/283:39 pmIAD - MLI

1 stop6h 58mUnited Airlines

Deal found 6/10

$394

Sat 6/213:26 pmMLI - IAD

2 stops17h 56mMultiple Airlines

Sat 6/2812:46 pmIAD - MLI

2 stops24h 00mMultiple Airlines

Deal found 6/10

$697

Mon 6/236:33 pmMLI - IAD

3 stops25h 36mMultiple Airlines

Thu 6/268:25 amIAD - MLI

3 stops34h 18mMultiple Airlines

Deal found 6/10

$695

Fri 7/45:27 pmMLI - IAD

1 stop4h 47mDelta

Tue 7/83:37 pmIAD - MLI

1 stop7h 42mDelta

Deal found 6/11

$249

Fri 7/43:55 pmMLI - IAD

2 stops17h 42mAmerican Airlines

Tue 7/85:39 pmIAD - MLI

1 stop5h 29mAmerican Airlines

Deal found 6/12

$364

Thu 7/175:20 pmMLI - IAD

1 stop6h 10mUnited Airlines

Sun 7/206:35 amIAD - MLI

1 stop4h 47mUnited Airlines

Deal found 6/10

$267

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 June 12, 2025.

Sat 11/110:50 amMLI - IAD

1 stop4h 05mUnited Airlines

Deal found 6/12

$126

Sun 9/287:05 amMLI - IAD

1 stop5h 07mAmerican Airlines

Deal found 6/11

$270

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

Thu 8/14

4:21 pm-11:59 pm

1 stop6h 38m

Washington, D.C. Dulles Intl

Mon 8/18

7:25 pm-11:01 pm

1 stop4h 36m

$249

MolineWashington, D.C.

MLI - IAD

MLIIAD

Moline Quad-City

Wed 8/6

5:26 pm-11:16 pm

1 stop4h 50m

Washington, D.C. Dulles Intl

Tue 8/12

5:25 pm-10:48 pm

1 stop6h 23m

$251

MolineWashington, D.C.

MLI - IAD

MLIIAD

Moline Quad-City

Thu 7/17

5:20 pm-12:30 am

1 stop6h 10m

Washington, D.C. Dulles Intl

Sun 7/20

6:35 am-10:22 am

1 stop4h 47m

$267

MolineWashington, D.C.

MLI - IAD

MLIIAD

Moline Quad-City

Mon 6/23

6:33 pm-9:09 pm

3 stops25h 36m

Washington, D.C. Dulles Intl

Thu 6/26

8:25 am-5:43 pm

3 stops34h 18m

$695

MolineWashington, D.C.

MLI - IAD

MLIIAD

Moline Quad-City

Sat 11/1

10:50 am-3:55 pm

1 stop4h 05m

$126

MolineWashington, D.C.

MLI - IAD

MLIIAD

Moline Quad-City

Sun 9/28

7:05 am-1:12 pm

1 stop5h 07m

$270

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

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 July is currently the most expensive (average of $349). 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

7,950 reviews

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

7,950 reviews

Delta

8.0

Very good

7,950 reviews

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

8,790 reviews

Delta

8.0

Very good

7,950 reviews

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!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,950 reviews

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

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?
American Airlines, at $249, was found to be the cheapest airline from Moline to Washington, D.C. Dulles Intl Airport.Alternate airlines to your destination round-trip include Delta and United Airlines. You may be able to fly from Moline to Washington, D.C. Dulles Intl Airport for 39% 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 July is currently the most expensive (average of $349). 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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Tysons

Silver Spring

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Fredericksburg

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Fairfax

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National Harbor

Springfield

Manassas

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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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$126+ 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 11/1. 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

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2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Moline to Dulles Intl

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 June 12, 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 June 12, 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.

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?

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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.

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 June 12, 2025.