$146 Cheap Flights from Washington (DCA) to Moline (MLI)

View $146 flight on Tue, Apr 21, 2026Opens in a new window

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

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

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

  • 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 $146 for one-way flights and $289 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, Apr 30 - Sun, May 3
DCA
Washington
MLI
Moline
$289 Roundtrip, found 4 days ago
$289
Roundtrip
found 4 days ago
Select American Airlines flight, departing Thu, Apr 30 from Washington to Moline, returning Sun, May 3, priced at $289 found 4 days ago
United
Wed, Apr 29 - Sun, May 3
DCA
Washington
MLI
Moline
$300 Roundtrip, found 5 days ago
$300
Roundtrip
found 5 days ago
Select United flight, departing Wed, Apr 29 from Washington to Moline, returning Sun, May 3, priced at $300 found 5 days ago
United
Thu, Sep 3 - Tue, Sep 8
DCA
Washington
MLI
Moline
$308 Roundtrip, found 6 days ago
$308
Roundtrip
found 6 days ago
Select United flight, departing Thu, Sep 3 from Washington to Moline, returning Tue, Sep 8, priced at $308 found 6 days ago
Delta
Fri, Aug 28 - Mon, Aug 31
DCA
Washington
MLI
Moline
$309 Roundtrip, found 2 days ago
$309
Roundtrip
found 2 days ago
Select Delta flight, departing Fri, Aug 28 from Washington to Moline, returning Mon, Aug 31, priced at $309 found 2 days ago
United
Thu, Sep 3 - Tue, Sep 8
DCA
Washington
MLI
Moline
$315 Roundtrip, found 6 days ago
$315
Roundtrip
found 6 days ago
Select United flight, departing Thu, Sep 3 from Washington to Moline, returning Tue, Sep 8, priced at $315 found 6 days ago
United
Thu, Sep 3 - Tue, Sep 8
DCA
Washington
MLI
Moline
$322 Roundtrip, found 6 days ago
$322
Roundtrip
found 6 days ago
Select United flight, departing Thu, Sep 3 from Washington to Moline, returning Tue, Sep 8, priced at $322 found 6 days ago
American Airlines
Thu, Apr 30 - Sun, May 3
DCA
Washington
MLI
Moline
$324 Roundtrip, found 4 days ago
$324
Roundtrip
found 4 days ago
Select American Airlines flight, departing Thu, Apr 30 from Washington to Moline, returning Sun, May 3, priced at $324 found 4 days ago
United
Wed, Apr 8 - Sun, Apr 12
DCA
Washington
MLI
Moline
$328 Roundtrip, found 1 day ago
$328
Roundtrip
found 1 day ago
Select United flight, departing Wed, Apr 8 from Washington to Moline, returning Sun, Apr 12, priced at $328 found 1 day ago
United
Wed, Apr 15 - Sun, Apr 19
DCA
Washington
MLI
Moline
$331 Roundtrip, found 1 day ago
$331
Roundtrip
found 1 day ago
Select United flight, departing Wed, Apr 15 from Washington to Moline, returning Sun, Apr 19, priced at $331 found 1 day ago
United
Tue, Mar 31 - Tue, Apr 7
DCA
Washington
MLI
Moline
$332 Roundtrip, found 1 day ago
$332
Roundtrip
found 1 day ago
Select United flight, departing Tue, Mar 31 from Washington to Moline, returning Tue, Apr 7, priced at $332 found 1 day ago

The Annual Vacation Sale

Members save up to 40% on hotels and homes. Plan this year’s big trip and save.
Book now

Frequently asked questions

How much does a flight from Washington, DC (DCA-Ronald Reagan Washington National) to Moline, IL (MLI-Quad City Intl.) cost?
You can find cheap one-way flights from $146 and cheap return flights from $289 Washington, DC (DCA-Ronald Reagan Washington National) to Moline, IL (MLI-Quad City Intl.) with Expedia. One-way flights typically cost between $144 and $721, and return flights often range between $323 and $1079. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Washington, DC (DCA-Ronald Reagan Washington National) to Moline, IL (MLI-Quad City Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Washington, DC (DCA-Ronald Reagan Washington National) to Moline, IL (MLI-Quad City Intl.)?
December is the cheapest month to fly from Washington, DC (DCA-Ronald Reagan Washington National) to Moline, IL (MLI-Quad City Intl.), with average round-trip fares around $281. This is about 29% lower than the average price throughout the year, as demand typically drops after the holiday season. Other economical months to fly include February and September.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Washington, DC (DCA-Ronald Reagan Washington National) to Moline, IL (MLI-Quad City Intl.)?
Enter DCA to MLI and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Washington, DC (DCA-Ronald Reagan Washington National) to Moline, IL (MLI-Quad City Intl.)?
United is one of the cheapest airlines offering connecting flights from Washington, DC (DCA) to Moline, IL (MLI) with a layover in Liberty Intl. (EWR), with round-trip tickets starting from around $248. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Washington, DC (DCA-Ronald Reagan Washington National) to Moline, IL (MLI-Quad City Intl.)?
To find a cheap flight from Washington, DC (DCA-Ronald Reagan Washington National) to Moline, IL (MLI-Quad City Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Washington, DC (DCA-Ronald Reagan Washington National) to Moline, IL (MLI-Quad City Intl.)?
For flights from Washington, DC to Moline, December and February are the best months to consider. December has an average price of about $281 for a return flight, making it an economical choice. February is also popular, giving you plenty of options while keeping costs manageable, perfect for enjoying your trip.*Prices based on flights available on Expedia in the last year.
What is the earliest flight from Washington, DC (DCA-Ronald Reagan Washington National) to Moline, IL (MLI-Quad City Intl.)?
The earliest flight from Ronald Reagan Washington National Airport (DCA) to Quad City International Airport (MLI) usually leaves at 5:00 AM, operated by American Airlines. This early flight can help you maximize your time in Moline. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Washington, DC (DCA-Ronald Reagan Washington National) to Moline, IL (MLI-Quad City Intl.)?
The most popular departure times for flights from Washington, DC (DCA) to Moline (MLI) are in the early morning, from 6am to 9am. About 30% of passengers prefer this time window. Many major carriers, including American Airlines and United Airlines, offer flights during this window. This timing is favored because it lets you maximize your day in Moline after arriving.
How long does it take to fly from Washington, DC (DCA-Ronald Reagan Washington National) to Moline, IL (MLI-Quad City Intl.)?
Flights from DCA to MLI with one stop typically take around 4 hours 50 minutes, covering approximately 733 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Washington, DC (DCA-Ronald Reagan Washington National) to Moline, IL (MLI-Quad City Intl.)?
First class is available on flights from DCA to MLI. First class cabins are available on:

  • American Airlines
  • Delta Air Lines
  • United Airlines

How do I earn miles on a Washington, DC (DCA-Ronald Reagan Washington National) to Moline, IL (MLI-Quad City Intl.) flight with Expedia?
It's easy to earn miles on a Washington, DC (DCA-Ronald Reagan Washington National) to Moline, IL (MLI-Quad City Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Moline from Ronald Reagan Washington National (DCA)?
From Ronald Reagan Washington National (DCA), you can fly into Quad City Intl. (MLI) to reach Moline. Some flights may connect through major hubs like Liberty Intl. (EWR), Logan Intl. (BOS), LaGuardia (LGA) before reaching Moline. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Washington, DC (DCA-Ronald Reagan Washington National) to Moline, IL (MLI-Quad City Intl.) at the last minute?
Typically, booking a last minute flight from Washington, DC (DCA-Ronald Reagan Washington National) to Moline, IL (MLI-Quad City Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Washington, DC (DCA-Ronald Reagan Washington National) to Moline, IL (MLI-Quad City Intl.) flight and hotel package?
Securing a Washington, DC (DCA-Ronald Reagan Washington National) to Moline, IL (MLI-Quad City Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Washington, DC (DCA-Ronald Reagan Washington National) to Moline, IL (MLI-Quad City Intl.)?
If you booked your Washington, DC (DCA-Ronald Reagan Washington National) to Moline, IL (MLI-Quad City Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Ronald Reagan Washington National
Destination airport
Quad City Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$288
Distance
732 mi

Book with confidence

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 April. 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 2026. You can also book with separate airlines for your outbound and return journeys, from $146 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.

 

Washington to Moline Flights

*Flight schedules are subject to change.

*Available to One Key members.