A modern airport control tower with a spherical top and a curved, white-roofed building in the foreground.

$284 Cheap Flights from Moline (MLI) to Washington (IAD)

View $284 flight on Wed, Oct 28, 2026Opens in a new window

Popular airlines from Quad City Intl. Airport (MLI) to Washington Dulles Intl. Airport (IAD)

  • 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 Moline to Washington (MLI-IAD)

Prices were available within the past 7 days and start at $284 for one-way flights and $291 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, Dec 12 - Sat, Jan 2
MLI
Moline
IAD
Washington
$291 Roundtrip, found 1 day ago
$291
Roundtrip
found 1 day ago
Select United flight, departing Sat, Dec 12 from Moline to Washington, returning Sat, Jan 2, priced at $291 found 1 day ago
United
Wed, Feb 3 - Sun, Feb 7
MLI
Moline
IAD
Washington
$315 Roundtrip, found 20 hours ago
$315
Roundtrip
found 20 hours ago
Select United flight, departing Wed, Feb 3 from Moline to Washington, returning Sun, Feb 7, priced at $315 found 20 hours ago
Delta
Tue, Apr 6 - Sun, Apr 11
MLI
Moline
IAD
Washington
$315 Roundtrip, found 9 hours ago
$315
Roundtrip
found 9 hours ago
Select Delta flight, departing Tue, Apr 6 from Moline to Washington, returning Sun, Apr 11, priced at $315 found 9 hours ago
Delta
Tue, May 11 - Mon, May 17
MLI
Moline
IAD
Washington
$330 Roundtrip, found 3 days ago
$330
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, May 11 from Moline to Washington, returning Mon, May 17, priced at $330 found 3 days ago
United
Sat, Mar 6 - Thu, Mar 11
MLI
Moline
IAD
Washington
$339 Roundtrip, found 20 hours ago
$339
Roundtrip
found 20 hours ago
Select United flight, departing Sat, Mar 6 from Moline to Washington, returning Thu, Mar 11, priced at $339 found 20 hours ago
American Airlines
Mon, Nov 23 - Fri, Nov 27
MLI
Moline
IAD
Washington
$339 Roundtrip, found 19 hours ago
$339
Roundtrip
found 19 hours ago
Select American Airlines flight, departing Mon, Nov 23 from Moline to Washington, returning Fri, Nov 27, priced at $339 found 19 hours ago
United
Sat, Mar 6 - Thu, Mar 11
MLI
Moline
IAD
Washington
$344 Roundtrip, found 20 hours ago
$344
Roundtrip
found 20 hours ago
Select United flight, departing Sat, Mar 6 from Moline to Washington, returning Thu, Mar 11, priced at $344 found 20 hours ago
United
Sat, Dec 19 - Sat, Jan 2
MLI
Moline
IAD
Washington
$346 Roundtrip, found 1 day ago
$346
Roundtrip
found 1 day ago
Select United flight, departing Sat, Dec 19 from Moline to Washington, returning Sat, Jan 2, priced at $346 found 1 day ago
United
Thu, Nov 5 - Sat, Nov 7
MLI
Moline
IAD
Washington
$349 Roundtrip, found 1 day ago
$349
Roundtrip
found 1 day ago
Select United flight, departing Thu, Nov 5 from Moline to Washington, returning Sat, Nov 7, priced at $349 found 1 day ago
American Airlines
Thu, Nov 5 - Sat, Nov 7
MLI
Moline
IAD
Washington
$358 Roundtrip, found 1 day ago
$358
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Nov 5 from Moline to Washington, returning Sat, Nov 7, priced at $358 found 1 day ago

Alternative airports near Washington

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

Select flight to Ronald Reagan Washington National DCA. Closest option available. Average driving time to city center is 8 minutes. Flights from $383
DCA
Ronald Reagan Washington National
Closest
Average driving time to city center8 min
Flights from $383

What you need to know for your flight from Quad City Intl. to Washington Dulles Intl.

Moline (MLI) to Washington (IAD) at a glance

Embark on your journey from Moline (MLI) to Washington (IAD) with a selection of airlines catering to this domestic short-haul route. You can easily compare flights from Moline, including options for cheap flights from Moline, to find the best fit for your budget and schedule. Prepare to explore the iconic sights and vibrant neighborhoods of Washington as you gather key details about your flight from Quad City International Airport (MLI) to Washington Dulles International Airport (IAD).

  • Fastest flight duration: around 3h 15m in-flight, plus roughly 1 hour layover with one stop
  • Route distance: roughly 700 miles (1,130 km)
  • Flights per week: around 8 departures on average
  • Typical fares (one-way): economy tickets often range from $125–$425, depending on seasonality and how far ahead you book

Flights from Quad City International Airport (MLI) to Washington Dulles International Airport (IAD)

Based on recent traveler bookings, here are the top airlines flying from Moline to Washington, commonly favored for their one-stop services. Popular layover options include O'Hare International Airport (ORD) with about a 1-hour layover, Charlotte-Douglas International Airport (CLT) at around 55 minutes, and Hartsfield-Jackson Atlanta International Airport (ATL) also with approximately a 1-hour layover. These choices allow you to tailor your itinerary based on price, total travel time, and cabin class preferences.

  • United: As a comprehensive airline, United provides one-stop service with one-way ticket prices generally falling between $125 and $460. This carrier represents about 74% of all departures on this route, featuring an in-flight duration of 3 hours and 15 minutes, and a total travel time of approximately 4 hours and 30 minutes, including layovers.
  • American Airlines: Another full-service option, American Airlines offers one-stop connections with one-way fares usually ranging from $125 to $340. This airline accounts for nearly 20% of departures on this route, with an in-flight time of 3 hours and 15 minutes, leading to a total journey time of around 4 hours and 30 minutes, including layovers.
  • Delta: Delta serves as a full-service airline providing one-stop flights, with one-way fares typically between $140 and $275. It comprises about 6% of the departures for this route, featuring an in-flight duration of 3 hours and 15 minutes and a complete travel time of approximately 4 hours and 30 minutes, factoring in layovers.

Alternative route from Moline (MLI) to Washington (IAD)

  • Moline to Washington (MLI-DCA): Ronald Reagan Washington National Airport (DCA) is located approximately 23 miles from Washington Dulles International Airport (IAD). One-way economy prices for this route generally fall between $125 and $405, influenced by the season and how far in advance you book. The journey typically includes one stop, with common layover points being O'Hare International Airport (ORD) and Charlotte-Douglas International Airport (CLT). Major airlines operating this route are American Airlines and United, with first-class service also offered.

How to find the best prices for flights from Moline (MLI) to Washington (IAD)

Getting some of the best deals on flights from Moline to Washington is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are generally available when booking 2 to 8 weeks in advance, which coincides with when most travelers make their reservations. Departures in the morning, between 5 AM and 12 PM, tend to offer lower prices and are the most sought-after flight times. Additionally, flying on Friday provides both affordable rates and is the most popular travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Washington Dulles International Airport from Quad City International Airport

Washington welcomes travelers from Moline with a range of transport options based on price, convenience, and proximity. Washington city center is approximately a 40-minute drive (covering about 29 miles) from Washington Dulles International Airport, depending on traffic. Here's how to reach Washington efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Washington, with private rides that can be arranged in advance.
  • Car rental: Renting a car from Washington Dulles International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Washington Dulles International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Washington Dulles International Airport, the Washington Dulles International Airport Metrorail Station, a metro station, is conveniently located just 0.2 miles away on foot, offering easy access for travelers.

Frequently asked questions

How much does a flight from Moline, IL (MLI-Quad City Intl.) to Washington, DC (IAD-Washington Dulles Intl.) cost?
You can find cheap one-way flights from $284 and cheap return flights from $291 Moline, IL (MLI-Quad City Intl.) to Washington, DC (IAD-Washington Dulles Intl.) with Expedia. One-way flights typically cost between $135 and $616, and return flights often range between $338 and $1018. 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 Moline, IL (MLI-Quad City Intl.) to Washington, DC (IAD-Washington Dulles 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 Moline, IL (MLI-Quad City Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
April is the cheapest month to fly from Moline (MLI) to Washington, DC (IAD), with average return fares around $293. This price is about 26% lower than the average fare throughout the year, as demand typically decreases after the winter months. Other budget-friendly months include September and November.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Moline, IL (MLI-Quad City Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
Enter MLI to IAD and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Moline, IL (MLI-Quad City Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
American Airlines is one of the cheapest airlines offering connecting flights from Moline, IL (MLI) to Washington, DC (IAD), with round-trip tickets starting from around $248 with a layover in Dallas-Fort Worth Intl. (DFW). 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 Moline, IL (MLI-Quad City Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
To find a cheap flight from Moline, IL (MLI-Quad City Intl.) to Washington, DC (IAD-Washington Dulles 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 Moline, IL (MLI-Quad City Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
For travel from Moline (MLI) to Washington, DC (IAD), April and November are the best months to fly. Return flights average around $293, making it an affordable choice. April brings pleasant spring weather, while November offers a quieter atmosphere, perfect for exploring the capital.*Prices based on flights available on Expedia in the last year.
What is the earliest flight from Moline, IL (MLI-Quad City Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
The earliest flight from Quad City International (MLI) to Washington Dulles International (IAD) typically leaves at around 5:00 AM, operated by American Airlines. This seasonal service is active in June, making it a convenient option for early travelers heading to the capital. 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 Moline, IL (MLI-Quad City Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
The most popular departure times for flights from Moline, IL (MLI-Quad City Intl.) to Washington, DC (IAD-Washington Dulles Intl.) are in the early morning, from 6am to 9am. About 48% of passengers prefer this time window. Many major carriers, including United Airlines and American Airlines, offer flights during this window. This timing works well because it allows you to arrive in Washington, DC with a full day ahead of you.
How long does it take to fly from Moline, IL (MLI-Quad City Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
Flying from MLI to IAD with a connection usually takes about 4 hours 30 minutes, traveling roughly 710 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 Moline, IL (MLI-Quad City Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
You can fly first class between MLI and IAD. First class cabins are available on:

  • American Airlines
  • Delta Air Lines
  • United Airlines

How do I earn miles on a Moline, IL (MLI-Quad City Intl.) to Washington, DC (IAD-Washington Dulles Intl.) flight with Expedia?
It's easy to earn miles on a Moline, IL (MLI-Quad City Intl.) to Washington, DC (IAD-Washington Dulles 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 Washington from Quad City Intl. (MLI)?
From Quad City Intl. (MLI), you can fly into Ronald Reagan Washington National (DCA) and Washington Dulles Intl. (IAD) in Washington. Some flights may connect through major hubs like O'Hare Intl. (ORD), Charlotte-Douglas Intl. (CLT), Dallas-Fort Worth Intl. (DFW) before reaching Washington. 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 Moline, IL (MLI-Quad City Intl.) to Washington, DC (IAD-Washington Dulles Intl.) at the last minute?
Typically, booking a last minute flight from Moline, IL (MLI-Quad City Intl.) to Washington, DC (IAD-Washington Dulles 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 Moline, IL (MLI-Quad City Intl.) to Washington, DC (IAD-Washington Dulles Intl.) flight and hotel package?
Securing a Moline, IL (MLI-Quad City Intl.) to Washington, DC (IAD-Washington Dulles Intl.) Fairfax County Vacation Packages 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 Moline, IL (MLI-Quad City Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
If you booked your Moline, IL (MLI-Quad City Intl.) to Washington, DC (IAD-Washington Dulles 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
Quad City Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$290
Distance
709 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 December. 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 2026. You can also book with separate airlines for your outbound and return journeys, from $284 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

*Flight schedules are subject to change.

*Available to One Key members.

 

Explore a world of travel with Expedia