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

Flying on Delta is currently your cheapest option to Washington, D.C., with prices starting at $228. Additional round-trip tickets that might be worth considering are offered by American Airlines and United Airlines, with the lowest prices starting at $248 and $248, respectively. Users have found that Delta is 41% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from Moline to Washington, D.C. one-way?

The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $126. However, be on the lookout for offers from American Airlines and United Airlines, as they are both options that can get you from Moline to Washington, D.C. for a low price.

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

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

In terms of precipitation, rainfall in Washington, D.C. 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. when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C., 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).

What are the most popular routes from Moline to Washington, D.C.?

While some choose either Moline Quad-City - Baltimore/Washington or Moline Quad-City - Washington, D.C. Reagan-National, Moline Quad-City - Washington, D.C. Dulles Intl is the most popular route from Moline to Washington, D.C..

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

Departing on a Thursday is a good option for securing a great price. You can expect to save up to 82% when planning your travel around this day of the week.

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

Our data shows that February tends to be the cheapest month to fly to Washington, D.C. from Moline. Users have commonly found prices around $391 for the month, but tickets can be as low as $249. Due to multiple factors, prepare for potentially higher prices in September.

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

When flying from Moline to Washington, D.C., the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 5% versus a flight at noon.

What airport do you fly from for flights from Moline to Washington, D.C.?

If you book a flight to Washington, D.C. from Moline, you will be flying from Quad-City, which is the city’s only airport. Moline Quad-City (MLI) is located 4.0 mi from the center of Moline. There are 0 flights from Quad-City to Washington, D.C. per day from 3 different airlines.

Can I find deals for flights from Moline to Washington, D.C. that include hotel bookings?

Yes. In addition to deals on Moline to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Moline to Washington, D.C.?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Moline to Washington, D.C..

Can I find deals for business class flights from Moline to Washington, D.C.?

Yes. Cheapflights offers flight deals from Moline to Washington, D.C. 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.

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Cheap flight deals from Moline to Washington, D.C.

Round-trip from	$224 (United Airlines)
One-way from	$126 (Delta)
Popular in	September
Cheapest in	February

From Moline Quad-City to Washington, D.C. (WAS)

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One-way flight from Moline Quad-City to Washington, D.C. (WAS)

Search Deals

Highest demand for flights based on searches. 16% potential increase in price ($74 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease ($24 potential savings vs. average RT price).

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Find flight deals from Moline to Washington, D.C.

Cheapest flights from Moline to Washington, D.C.
Explore the most affordable flight options available from Moline to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 17, 2025.

Wed 12/2410:47 amMLI - IAD

1 stop5h 43mUnited Airlines

Sun 12/286:30 amIAD - MLI

1 stop6h 43mUnited Airlines

Deal found 8/15

$224

Sat 8/305:50 pmMLI - DCA

1 stop6h 26mAmerican Airlines

Fri 9/51:33 pmDCA - MLI

1 stop8h 59mAmerican Airlines

Deal found 8/15

$224

Sat 8/305:50 pmMLI - DCA

1 stop6h 26mAmerican Airlines

Mon 9/16:00 pmDCA - MLI

1 stop6h 38mAmerican Airlines

Deal found 8/15

$229

Thu 9/188:20 amMLI - IAD

1 stop4h 29mUnited Airlines

Sun 9/215:10 pmIAD - MLI

1 stop5h 02mUnited Airlines

Deal found 8/15

$249

Sat 10/115:34 pmMLI - DCA

1 stop6h 25mAmerican Airlines

Tue 10/145:35 pmDCA - MLI

1 stop5h 54mAmerican Airlines

Deal found 8/17

$249

Wed 10/226:00 amMLI - BWI

1 stop5h 45mDelta

Sat 10/254:44 pmBWI - MLI

1 stop6h 36mDelta

Deal found 8/17

$249

Tue 10/285:04 pmMLI - BWI

1 stop6h 37mDelta

Wed 10/294:44 pmBWI - MLI

1 stop6h 36mDelta

Deal found 8/17

$251

Tue 12/235:33 pmMLI - IAD

1 stop5h 42mUnited Airlines

Sat 12/276:30 amIAD - MLI

1 stop6h 43mUnited Airlines

Deal found 8/15

$253

Thu 8/288:20 amMLI - IAD

1 stop6h 32mUnited Airlines

Sun 9/76:35 amIAD - MLI

1 stop4h 35mUnited Airlines

Deal found 8/14

$254

Thu 8/286:00 amMLI - DCA

1 stop5h 40mDelta

Sun 9/76:20 pmDCA - MLI

1 stop5h 28mDelta

Deal found 8/14

$254

Tue 10/216:20 amMLI - IAD

2 stops11h 34mAmerican Airlines

Sat 10/256:34 amIAD - MLI

2 stops11h 23mAmerican Airlines

Deal found 8/15

$259

Fri 8/2911:21 amMLI - DCA

1 stop3h 55mAmerican Airlines

Mon 9/16:59 amDCA - MLI

1 stop4h 52mAmerican Airlines

Deal found 8/15

$259

Best flights from Moline to Washington, D.C.
Discover carefully curated flight deals from Moline to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 17, 2025.

Wed 12/2410:47 amMLI - IAD

1 stop5h 43mUnited Airlines

Sun 12/286:30 amIAD - MLI

1 stop6h 43mUnited Airlines

Deal found 8/15

$224

Sat 8/305:50 pmMLI - DCA

1 stop6h 26mAmerican Airlines

Fri 9/51:33 pmDCA - MLI

1 stop8h 59mAmerican Airlines

Deal found 8/15

$224

Sat 9/274:59 pmMLI - IAD

1 stop5h 18mDelta

Tue 9/305:55 pmIAD - MLI

1 stop5h 47mDelta

Deal found 8/16

$249

Sat 8/305:50 pmMLI - DCA

1 stop6h 26mAmerican Airlines

Mon 9/16:00 pmDCA - MLI

1 stop6h 38mAmerican Airlines

Deal found 8/15

$229

Fri 9/126:30 amMLI - IAD

1 stop6h 19mUnited Airlines

Sun 9/146:35 amIAD - MLI

1 stop4h 35mUnited Airlines

Deal found 8/16

$249

Sat 9/274:59 pmMLI - DCA

1 stop5h 43mDelta

Tue 9/306:20 pmDCA - MLI

1 stop5h 22mDelta

Deal found 8/16

$249

Fri 9/198:20 amMLI - IAD

1 stop5h 17mUnited Airlines

Sat 9/276:30 amIAD - MLI

1 stop4h 45mUnited Airlines

Deal found 8/15

$249

Fri 9/123:58 pmMLI - DCA

1 stop6h 06mAmerican Airlines

Sun 9/145:00 amDCA - MLI

1 stop6h 29mAmerican Airlines

Deal found 8/16

$249

Wed 10/226:00 amMLI - BWI

1 stop5h 45mDelta

Tue 10/286:22 pmBWI - MLI

1 stop4h 58mDelta

Deal found 8/17

$249

Thu 9/188:20 amMLI - IAD

1 stop4h 29mUnited Airlines

Sun 9/215:10 pmIAD - MLI

1 stop5h 02mUnited Airlines

Deal found 8/15

$249

Wed 10/226:00 amMLI - BWI

1 stop5h 45mDelta

Sat 10/254:44 pmBWI - MLI

1 stop6h 36mDelta

Deal found 8/17

$249

Sat 9/133:26 pmMLI - BWI

1 stop6h 42mAmerican Airlines

Sun 9/216:00 amBWI - MLI

1 stop5h 21mAmerican Airlines

Deal found 8/14

$249

Last-minute flights from Moline to Washington, D.C.
Discover last-minute flight deals from Moline to Washington, D.C.. Data last updated August 17, 2025 and is based on user searches.

Fri 8/224:59 pmMLI - IAD

1 stop6h 22mDelta

Mon 8/255:25 pmIAD - MLI

1 stop6h 23mDelta

Deal found 8/16

$324

Fri 8/224:59 pmMLI - DCA

1 stop5h 47mDelta

Mon 8/254:00 pmDCA - MLI

1 stop7h 48mDelta

Deal found 8/16

$324

Fri 8/224:59 pmMLI - BWI

1 stop6h 24mDelta

Sat 8/236:25 pmBWI - MLI

1 stop5h 23mDelta

Deal found 8/16

$324

Fri 8/224:59 pmMLI - BWI

1 stop6h 24mDelta

Sun 8/246:25 pmBWI - MLI

1 stop5h 23mDelta

Deal found 8/16

$369

Fri 8/2210:45 amMLI - DCA

1 stop4h 06mUnited Airlines

Sun 8/2412:00 pmDCA - MLI

1 stop4h 05mUnited Airlines

Deal found 8/16

$394

Sat 8/234:59 pmMLI - IAD

1 stop5h 22mDelta

Mon 8/255:25 pmIAD - MLI

1 stop6h 23mDelta

Deal found 8/16

$309

Sat 8/234:59 pmMLI - DCA

1 stop4h 47mDelta

Mon 8/254:00 pmDCA - MLI

1 stop7h 48mDelta

Deal found 8/16

$309

Sat 8/234:59 pmMLI - BWI

1 stop6h 24mDelta

Mon 8/254:39 pmBWI - MLI

1 stop7h 09mDelta

Deal found 8/16

$309

Sat 8/234:59 pmMLI - BWI

1 stop6h 24mDelta

Sun 8/246:25 pmBWI - MLI

1 stop5h 23mDelta

Deal found 8/16

$354

Sat 8/235:50 pmMLI - DCA

1 stop6h 26mAmerican Airlines

Sun 8/245:00 amDCA - MLI

1 stop6h 12mAmerican Airlines

Deal found 8/16

$373

Sat 8/236:30 amMLI - IAD

1 stop7h 07mUnited Airlines

Sun 8/246:35 amIAD - MLI

1 stop4h 35mUnited Airlines

Deal found 8/16

$379

Sat 8/238:20 amMLI - IAD

1 stop4h 29mUnited Airlines

Sat 8/2310:10 pmIAD - MLI

1 stop13h 00mUnited Airlines

Deal found 8/16

$584

One-way flights from Moline to Washington, D.C.
Search for one-way flight options from Moline to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated August 17, 2025.

Sat 10/255:04 pmMLI - IAD

1 stop5h 14mDelta

Deal found 8/16

$126

Sat 10/2510:42 amMLI - IAD

2 stops12h 11mAmerican Airlines

Deal found 8/16

$131

Thu 10/1611:22 amMLI - BWI

1 stop11h 26mAmerican Airlines

Deal found 8/17

$222

Thu 10/164:29 pmMLI - IAD

1 stop6h 24mAmerican Airlines

Deal found 8/16

$239

Fri 9/124:59 pmMLI - DCA

1 stop4h 43mDelta

Deal found 8/16

$239

Fri 9/124:59 pmMLI - BWI

1 stop6h 29mDelta

Deal found 8/16

$239

Sat 10/259:54 pmMLI - IAD

3 stops46h 13mMultiple Airlines

Deal found 8/16

$312

Mon 9/15:31 pmMLI - DCA

1 stop4h 12mUnited Airlines

Deal found 8/15

$322

Sun 12/281:00 pmMLI - IAD

1 stop10h 15mUnited Airlines

Deal found 8/15

$337

Sun 12/2810:47 amMLI - BWI

1 stop5h 11mUnited Airlines

Deal found 8/15

$339

Sun 12/2810:47 amMLI - DCA

1 stop24h 11mUnited Airlines

Deal found 8/15

$380

Fri 9/128:20 amMLI - IAD

2 stops7h 05mUnited Airlines

Deal found 8/16

$438

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

MolineWashington, D.C.

MLI - IAD

MLIIAD

Moline Quad-City

Wed 12/24

10:47 am-5:30 pm

1 stop5h 43m

Washington, D.C. Dulles Intl

Sun 12/28

6:30 am-12:13 pm

1 stop6h 43m

$224

MolineWashington, D.C.

MLI - DCA

MLIDCA

Moline Quad-City

Sat 8/30

5:50 pm-1:16 am

1 stop6h 26m

Washington, D.C. Reagan-National

Fri 9/5

1:33 pm-9:32 pm

1 stop8h 59m

$224

MolineWashington, D.C.

MLI - DCA

MLIDCA

Moline Quad-City

Sat 8/30

5:50 pm-1:16 am

1 stop6h 26m

Washington, D.C. Reagan-National

Mon 9/1

6:00 pm-11:38 pm

1 stop6h 38m

$229

MolineWashington, D.C.

MLI - IAD

MLIIAD

Moline Quad-City

Sat 9/27

4:59 pm-11:17 pm

1 stop5h 18m

Washington, D.C. Dulles Intl

Tue 9/30

5:55 pm-10:42 pm

1 stop5h 47m

$249

MolineWashington, D.C.

MLI - IAD

MLIIAD

Moline Quad-City

Fri 9/12

6:30 am-1:49 pm

1 stop6h 19m

Washington, D.C. Dulles Intl

Sun 9/14

6:35 am-10:10 am

1 stop4h 35m

$249

MolineWashington, D.C.

MLI - DCA

MLIDCA

Moline Quad-City

Sat 9/27

4:59 pm-11:42 pm

1 stop5h 43m

Washington, D.C. Reagan-National

Tue 9/30

6:20 pm-10:42 pm

1 stop5h 22m

$249

MolineWashington, D.C.

MLI - IAD

MLIIAD

Moline Quad-City

Fri 9/19

8:20 am-2:37 pm

1 stop5h 17m

Washington, D.C. Dulles Intl

Sat 9/27

6:30 am-10:15 am

1 stop4h 45m

$249

MolineWashington, D.C.

MLI - DCA

MLIDCA

Moline Quad-City

Fri 9/12

3:58 pm-11:04 pm

1 stop6h 06m

Washington, D.C. Reagan-National

Sun 9/14

5:00 am-10:29 am

1 stop6h 29m

$249

MolineBaltimore

MLI - BWI

MLIBWI

Moline Quad-City

Wed 10/22

6:00 am-12:45 pm

1 stop5h 45m

Baltimore/Washington

Tue 10/28

6:22 pm-10:20 pm

1 stop4h 58m

$249

MolineWashington, D.C.

MLI - IAD

MLIIAD

Moline Quad-City

Thu 9/18

8:20 am-1:49 pm

1 stop4h 29m

Washington, D.C. Dulles Intl

Sun 9/21

5:10 pm-9:12 pm

1 stop5h 02m

$249

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/16

Showing 1-10 of 43 results

...

Best time to book a flight from Moline to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. 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.

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

Currently, July is the cheapest month in which you can book a flight from Moline to Washington, D.C. (average of $302). Flying from Moline to Washington, D.C. 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 Washington, D.C.

Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from Moline to Washington, D.C. to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,986 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

7,986 reviews

Delta

8.0

Very good

7,986 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

8,919 reviews

Delta

8.0

Very good

7,986 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

7,986 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.?
If you book a flight to Washington, D.C. from Moline, you will be flying from Quad-City, which is the city’s only airport. Moline Quad-City (MLI) is located 4.0 mi from the center of Moline. There are 0 flights from Quad-City to Washington, D.C. per day from 3 different airlines.
What are the cheapest airlines flying from Moline to Washington, D.C. round-trip?
Flying on Delta is currently your cheapest option to Washington, D.C., with prices starting at $228. Additional round-trip tickets that might be worth considering are offered by American Airlines and United Airlines, with the lowest prices starting at $248 and $248, respectively. Users have found that Delta is 41% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from Moline to Washington, D.C. one-way?
The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $126. However, be on the lookout for offers from American Airlines and United Airlines, as they are both options that can get you from Moline to Washington, D.C. for a low price.
What are the most popular routes from Moline to Washington, D.C.?
While some choose either Moline Quad-City - Baltimore/Washington or Moline Quad-City - Washington, D.C. Reagan-National, Moline Quad-City - Washington, D.C. Dulles Intl is the most popular route from Moline to Washington, D.C..
Can I find deals for flights from Moline to Washington, D.C. that include hotel bookings?
Yes. In addition to deals on Moline to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Moline to Washington, D.C.?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Moline to Washington, D.C..
Can I find deals for business class flights from Moline to Washington, D.C.?
Yes. Cheapflights offers flight deals from Moline to Washington, D.C. 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.?
Currently, July is the cheapest month in which you can book a flight from Moline to Washington, D.C. (average of $302). Flying from Moline to Washington, D.C. 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

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Top 3 airlines flying from Moline to Washington, D.C.

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$198	Average$387	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$208	Average$354	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$228	Average$308	FlexibilityNo cancel fee	On-timeN/A

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$126+ Cheap flights from Moline (MLI) to Washington, D.C. (WAS)

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 10/25. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Moline to Washington, D.C. with Cheapflights

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Cheap flight deals from Moline to Washington, D.C.

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Find flight deals from Moline to Washington, D.C.

Cheapest flights from Moline to Washington, D.C.Explore the most affordable flight options available from Moline to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 17, 2025.

Explore the most affordable flight options available from Moline to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 17, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Moline to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Moline with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Moline to Washington, D.C.

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

Reviews of airlines servicing Washington, D.C.

Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from Moline to Washington, D.C. to help guide your decision. You can also see how each airline stacks up 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 Washington, D.C.. 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.?

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

What are the cheapest airlines to fly from Moline to Washington, D.C. one-way?

What are the most popular routes from Moline to Washington, D.C.?

Can I find deals for flights from Moline to Washington, D.C. that include hotel bookings?

How can I find direct flights from Moline to Washington, D.C.?

Can I find deals for business class flights from Moline to Washington, D.C.?

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

Traveling to a place near Washington, D.C.?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Moline to Washington, D.C.

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Top 3 airlines flying from Moline to Washington, D.C.

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Cheapest flights from Moline to Washington, D.C.
Explore the most affordable flight options available from Moline to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 17, 2025.