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

View $125 flight on Thu, Nov 27, 2025Opens in a new window

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

Cheap Flights from Moline to Washington (MLI-DCA)

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.

Delta
Mon, Nov 24 - Wed, Dec 3
MLI
Moline
DCA
Washington
$249 Roundtrip, found 2 days ago
$249
Roundtrip
found 2 days ago
Select Delta flight, departing Mon, Nov 24 from Moline to Washington, returning Wed, Dec 3, priced at $249 found 2 days ago
American Airlines
Wed, Nov 19 - Sun, Nov 23
MLI
Moline
DCA
Washington
$249 Roundtrip, just found
$249
Roundtrip
just found
Select American Airlines flight, departing Wed, Nov 19 from Moline to Washington, returning Sun, Nov 23, priced at $249 just found
United
Wed, Nov 19 - Sun, Nov 23
MLI
Moline
DCA
Washington
$249 Roundtrip, just found
$249
Roundtrip
just found
Select United flight, departing Wed, Nov 19 from Moline to Washington, returning Sun, Nov 23, priced at $249 just found
Delta
Tue, Nov 11 - Wed, Nov 12
MLI
Moline
DCA
Washington
$251 Roundtrip, found 1 day ago
$251
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Nov 11 from Moline to Washington, returning Wed, Nov 12, priced at $251 found 1 day ago
American Airlines
Tue, Oct 28 - Fri, Oct 31
MLI
Moline
DCA
Washington
$254 Roundtrip, found 5 days ago
$254
Roundtrip
found 5 days ago
Select American Airlines flight, departing Tue, Oct 28 from Moline to Washington, returning Fri, Oct 31, priced at $254 found 5 days ago
United
Thu, May 28 - Sun, May 31
MLI
Moline
DCA
Washington
$259 Roundtrip, found 3 hours ago
$259
Roundtrip
found 3 hours ago
Select United flight, departing Thu, May 28 from Moline to Washington, returning Sun, May 31, priced at $259 found 3 hours ago
Delta
Sat, Feb 7 - Mon, Feb 9
MLI
Moline
DCA
Washington
$265 Roundtrip, found 5 days ago
$265
Roundtrip
found 5 days ago
Select Delta flight, departing Sat, Feb 7 from Moline to Washington, returning Mon, Feb 9, priced at $265 found 5 days ago
United
Wed, Nov 19 - Sun, Nov 23
MLI
Moline
DCA
Washington
$267 Roundtrip, just found
$267
Roundtrip
just found
Select United flight, departing Wed, Nov 19 from Moline to Washington, returning Sun, Nov 23, priced at $267 just found
Delta
Mon, Feb 9 - Mon, Feb 23
MLI
Moline
DCA
Washington
$269 Roundtrip, found 6 days ago
$269
Roundtrip
found 6 days ago
Select Delta flight, departing Mon, Feb 9 from Moline to Washington, returning Mon, Feb 23, priced at $269 found 6 days ago
United
Tue, Oct 21 - Tue, Oct 28
MLI
Moline
DCA
Washington
$270 Roundtrip, found 5 days ago
$270
Roundtrip
found 5 days ago
Select United flight, departing Tue, Oct 21 from Moline to Washington, returning Tue, Oct 28, priced at $270 found 5 days ago

Find the cheapest month to fly from Moline (MLI) to Washington (DCA)

February is typically the cheapest month to fly

From $198 - $513 per traveler.

Alternative airports near Washington

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Baltimore Washington Intl. Thurgood Marshall BWI. Average driving time to city center is 40 minutes. Flights from $595
BWI
Baltimore Washington Intl. Thurgood Marshall
Average driving time to city center40 min
Flights from $595
Select flight to Washington Dulles Intl. IAD. Cheapest option available. Average driving time to city center is 36 minutes. Flights from $254
IAD
Washington Dulles Intl.
Cheapest
Average driving time to city center36 min
Flights from $254

Frequently asked questions

How much does a flight from Quad City Intl. Airport (MLI) to Ronald Reagan Washington National Airport (DCA) cost?
Grab a cheap one-way flight from $125 or cheap return flight from $249 from Quad City Intl. Airport (MLI) to Ronald Reagan Washington National Airport (DCA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Quad City Intl. Airport (MLI) to Ronald Reagan Washington National Airport (DCA)?
November is the least expensive month to fly from MLI to DCA. Traveling during an off-peak travel window is often the key to finding a great deal.
How many flights per day from Quad City Intl. Airport (MLI) to Ronald Reagan Washington National Airport (DCA)?
Direct flights from Quad City Intl. Airport (MLI) to Ronald Reagan Washington National Airport (DCA) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel details and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from MLI to DCA?
Typically you'll find the greatest selection of flight options on a Friday. Tuesdays are often the quietest.* But this can change based on the time of year, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Quad City Intl. Airport (MLI) to Ronald Reagan Washington National Airport (DCA)?
To touch down at Ronald Reagan Washington National Airport (DCA) on schedule, opt for a flight that takes off from Quad City Intl. Airport (MLI) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 Quad City Intl. Airport (MLI) to Ronald Reagan Washington National Airport (DCA) last-minute?
Waiting until just before your departure to book your flight from MLI to DCA generally means paying more. While you might find some last-minute deals, they aren't always guaranteed. Be flexible with your travel plans for the best chance of snagging a bargain.
Is it cheaper to book a MLI to DCA flight and hotel package?
Compared with arranging flights and hotels separately, booking a MLI to DCA flight and hotel package with Expedia could lead to significant savings. What's more, having it all in one place will take the stress out of travel planning. Simply secure your flights and select from our wide range of stays, then personalize your trip with extras like tours and car rentals.
Can I cancel or change the date of my flight from Quad City Intl. Airport (MLI) to Ronald Reagan Washington National Airport (DCA)?
Typically, you're able to reschedule or cancel your MLI to DCA flight. However, additional charges may apply, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline's policies and fees on flight changes, or if you want more information, visit our Customer Service portal.

Travel information

Origin airport
Quad City Intl.
Destination airport
Ronald Reagan Washington National
Airlines serving
American Airlines, Delta, United
Roundtrip price
$248
Distance
732 mi

Book with confidence

Moline to Washington Flights

The cheapest times to fly from Moline to Washington

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 Moline to Washington are during the month of November. You can find some of the cheapest flights from Moline to Washington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Moline to Washington

Sunday is one of the best days to book for cheap flights from Moline to Washington: 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 Moline to Washington

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 Moline to Washington 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 Moline to Washington 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 Moline to Washington 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.

 

Moline to Washington Flights

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*Available to One Key members.