$125 Cheap Flights from Washington (DCA) to Moline (MLI)

View $125 flight on Sun, Feb 15, 2026Opens in a new window

Popular airlines from Ronald Reagan Washington National Airport (DCA) to Quad City Intl. Airport (MLI)

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
    trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Washington to Moline (DCA-MLI)

Prices were available within the past 7 days and start at $125 for one-way flights and $249 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Nov 11 - Sat, Nov 15
DCA
Washington
MLI
Moline
$249 Roundtrip, found 6 days ago
$249
Roundtrip
found 6 days ago
Select American Airlines flight, departing Tue, Nov 11 from Washington to Moline, returning Sat, Nov 15, priced at $249 found 6 days ago
Delta
Sat, Nov 8 - Mon, Nov 10
DCA
Washington
MLI
Moline
$249 Roundtrip, found 1 hour ago
$249
Roundtrip
found 1 hour ago
Select Delta flight, departing Sat, Nov 8 from Washington to Moline, returning Mon, Nov 10, priced at $249 found 1 hour ago
United
Tue, Dec 16 - Sun, Jan 18
DCA
Washington
MLI
Moline
$252 Roundtrip, found 6 days ago
$252
Roundtrip
found 6 days ago
Select United flight, departing Tue, Dec 16 from Washington to Moline, returning Sun, Jan 18, priced at $252 found 6 days ago
United
Thu, Oct 30 - Sun, Nov 2
DCA
Washington
MLI
Moline
$254 Roundtrip, found 1 day ago
$254
Roundtrip
found 1 day ago
Select United flight, departing Thu, Oct 30 from Washington to Moline, returning Sun, Nov 2, priced at $254 found 1 day ago
United
Tue, Nov 11 - Sat, Nov 15
DCA
Washington
MLI
Moline
$255 Roundtrip, found 6 days ago
$255
Roundtrip
found 6 days ago
Select United flight, departing Tue, Nov 11 from Washington to Moline, returning Sat, Nov 15, priced at $255 found 6 days ago
American Airlines
Tue, Dec 16 - Sat, Jan 17
DCA
Washington
MLI
Moline
$259 Roundtrip, found 6 days ago
$259
Roundtrip
found 6 days ago
Select American Airlines flight, departing Tue, Dec 16 from Washington to Moline, returning Sat, Jan 17, priced at $259 found 6 days ago
United
Tue, Dec 16 - Sat, Jan 17
DCA
Washington
MLI
Moline
$265 Roundtrip, found 6 days ago
$265
Roundtrip
found 6 days ago
Select United flight, departing Tue, Dec 16 from Washington to Moline, returning Sat, Jan 17, priced at $265 found 6 days ago
United
Tue, Dec 16 - Sun, Jan 18
DCA
Washington
MLI
Moline
$268 Roundtrip, found 6 days ago
$268
Roundtrip
found 6 days ago
Select United flight, departing Tue, Dec 16 from Washington to Moline, returning Sun, Jan 18, priced at $268 found 6 days ago
United
Fri, Oct 24 - Mon, Oct 27
DCA
Washington
MLI
Moline
$269 Roundtrip, found 6 days ago
$269
Roundtrip
found 6 days ago
Select United flight, departing Fri, Oct 24 from Washington to Moline, returning Mon, Oct 27, priced at $269 found 6 days ago
United
Tue, Dec 16 - Sun, Jan 18
DCA
Washington
MLI
Moline
$271 Roundtrip, found 6 days ago
$271
Roundtrip
found 6 days ago
Select United flight, departing Tue, Dec 16 from Washington to Moline, returning Sun, Jan 18, priced at $271 found 6 days ago
Flights from Washington (DCA) to Moline (MLI)
Origin airport
Ronald Reagan Washington National
Destination airport
Quad City Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$248
Distance
732 mi

Washington to Moline Flights

The cheapest times to fly from Washington to Moline

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Washington to Moline are during the month of November. You can find some of the cheapest flights from Washington to Moline with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Moline

Sunday is one of the best days to book for cheap flights from Washington to Moline: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Washington to Moline

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Washington to Moline in 2025. You can also book with separate airlines for your outbound and return journeys, from $125 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Washington to Moline flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Washington to Moline airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Ronald Reagan Washington National Airport (DCA) to Quad City Intl. Airport (MLI) cost?
Snag a cheap one-way flight from $125 or cheap return flight from $249 from Ronald Reagan Washington National Airport (DCA) to Quad City Intl. Airport (MLI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Ronald Reagan Washington National Airport (DCA) to Quad City Intl. Airport (MLI)?
Planning your trip for November may help you find better deals, as it's the cheapest month for flights between DCA and MLI. You'll usually find the lowest prices during off-peak months.
What is the cheapest airline that flies from Ronald Reagan Washington National Airport (DCA) to Quad City Intl. Airport (MLI)?
Use the filters on Expedia to compare airlines and find the most affordable carrier that'll fly you from DCA to MLI. Then, sort your results by "Price (lowest to highest)" to score a good deal.
How many flights per day from Ronald Reagan Washington National Airport (DCA) to Quad City Intl. Airport (MLI)?
There aren't any daily nonstop flights departing from Ronald Reagan Washington National Airport (DCA) to Quad City Intl. Airport (MLI). But you can book flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be soaring above the clouds before you know it.
What day of the week has the most flights from DCA to MLI?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Ronald Reagan Washington National Airport (DCA) to Quad City Intl. Airport (MLI)?
Choose a flight from Ronald Reagan Washington National Airport (DCA) to Quad City Intl. Airport (MLI) that leaves before 3 PM to reduce the likelihood of delays. Departures after this hour are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Ronald Reagan Washington National Airport (DCA) to Quad City Intl. Airport (MLI) last-minute?
Holding off until just before your trip to book a ticket from DCA to MLI often results in higher prices. While you may come across some last-minute discounts, they aren't always guaranteed. Keep your travel plans flexible to maximize your chances of landing a bargain.
Is it cheaper to book a DCA to MLI flight and hotel package?
Securing a DCA to MLI flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Pick from our extensive range of accommodations and then add activities, car rentals and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Ronald Reagan Washington National Airport (DCA) to Quad City Intl. Airport (MLI)?
Usually, it's possible to reschedule or cancel your DCA to MLI flight. However, if it's been more than 24 hours since booking, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find further details on our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.