MLI - IAD

$126 Find Cheap Flights from Moline to Washington Dulles Airport

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Moline to Dulles Intl departing on 2/24. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Washington, D.C. Dulles Intl Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Moline to Washington, D.C., as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Moline to Washington, D.C., as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
$251
Overall average: $588
Delta
Sat 2/14Sat 2/21
MLI - IAD • 1 stop
Cheapest one-way
$126
Delta
Tue 2/24
MLI - IAD • 1 stop
Top airlines
Delta
Cheapest • from $251 (round-trip)
United Airlines
Best reviews • 7.4 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
When to travel
August
Cheapest • 48% price drop
June
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Dulles Intl!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Moline to Dulles Intl (MLI-IAD)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Moline to Dulles Intl that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Moline to Dulles Intl

Sat, Feb 14 - Sat, Feb 21
Delta Logo
5:01 pm - 12:21 am
MLI
-
IAD
6h 20m
1 stop
Delta Logo
12:35 pm - 4:16 pm
IAD
-
MLI
4h 41m
1 stop
$251Delta
Wed, May 27 - Sat, May 30
United Airlines Logo
5:42 pm - 11:57 pm
MLI
-
IAD
5h 15m
1 stop
United Airlines Logo
1:05 pm - 5:07 pm
IAD
-
MLI
5h 02m
1 stop
$269United Airlines
Fri, Jun 5 - Mon, Jun 8
Delta Logo
11:00 am - 6:45 pm
MLI
-
IAD
6h 45m
1 stop
Delta Logo
6:00 am - 10:26 am
IAD
-
MLI
5h 26m
1 stop
$274Delta
Tue, Feb 3 - Sat, Feb 7
United Airlines Logo
10:47 am - 5:35 pm
MLI
-
IAD
5h 48m
1 stop
United Airlines Logo
5:17 pm - 9:36 pm
IAD
-
MLI
5h 19m
1 stop
$279United Airlines
Thu, Jun 11 - Sun, Jun 14
United Airlines Logo
5:42 pm - 11:57 pm
MLI
-
IAD
5h 15m
1 stop
United Airlines Logo
6:20 am - 10:14 am
IAD
-
MLI
4h 54m
1 stop
$283United Airlines
Tue, Feb 3 - Sat, Feb 7
American Airlines Logo
6:00 am - 5:16 pm
MLI
-
IAD
10h 16m
2 stops
American Airlines Logo
5:46 pm - 9:33 pm
IAD
-
MLI
4h 47m
1 stop
$284American Airlines
Tue, Feb 3 - Sat, Feb 7
American Airlines Logo
6:00 am - 5:16 pm
MLI
-
IAD
10h 16m
2 stops
American Airlines Logo
1:08 pm - 10:08 pm
IAD
-
MLI
10h 00m
2 stops
$290American Airlines
Fri, May 22 - Mon, May 25
United Airlines Logo
5:42 pm - 11:57 pm
MLI
-
IAD
5h 15m
1 stop
United Airlines Logo
10:08 am - 3:05 pm
IAD
-
MLI
5h 57m
1 stop
$326United Airlines
Sat, Feb 14 - Sat, Feb 21
American Airlines Logo
3:33 pm - 10:53 pm
MLI
-
IAD
6h 20m
1 stop
American Airlines Logo
2:03 pm - 11:28 pm
IAD
-
MLI
10h 25m
2 stops
$330American Airlines
Fri, May 15 - Sun, May 17
Delta Logo
5:00 pm - 12:09 am
MLI
-
IAD
6h 09m
1 stop
Delta Logo
6:00 am - 10:26 am
IAD
-
MLI
5h 26m
1 stop
$334Delta
Booking Insights

KAYAK's insights & trends for Moline to Dulles Intl flights

Get data-powered insights and trends into flights from Moline to Dulles Intl to help you find the cheapest flights, the best time to fly and much more.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Moline to Washington, D.C. Dulles Intl Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Moline to Washington, D.C. Dulles Intl Airport is August, where tickets cost $248 (return) on average. On the other hand, the most expensive months are November and February, where the average cost of round-trip tickets is $995 and $588 respectively.

Good to know

Low seasonFebruary
Cheapest flight$126
Best time to beat the crowds but there is an average 23% increase in price.
Most popular time to fly with an average 18% increase in price.
Flight from Moline to Washington Dulles Airport

When to book flights from Moline to Dulles Intl

Are your dates flexible? Find out the best times to travel from Moline to Dulles Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Moline to Washington Dulles Airport flights

  • What is the cheapest flight from Moline to Washington, D.C. Dulles Intl Airport?

    In the last 3 days, the lowest price for a flight from Moline to Washington, D.C. Dulles Intl Airport was $126 for a one-way ticket and $251 for a round-trip.

  • Do I need a passport to fly between Moline and Washington Dulles Airport?

    Even though you are not required to have a passport, keep in mind that an official ID is needed to board the airplane.

  • Which aircraft models fly most regularly from Moline to Washington Dulles Airport?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Moline to Washington Dulles Airport?

    oneworld, and Star Alliance are the airline alliances operating flights between Moline and Washington Dulles Airport, with oneworld being the most commonly used for this route.

  • Which is the best airline for flights from Moline to Washington, D.C., United Airlines or American Airlines?

    The two airlines most popular with KAYAK users for flights from Moline to Washington, D.C. are United Airlines and American Airlines. With an average price for the route of $468 and an overall rating of 7.4, United Airlines is the most popular choice. American Airlines is also a great choice for the route, with an average price of $587 and an overall rating of 7.2.

  • How does KAYAK find such low prices on flights from Moline to Washington Dulles Airport?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Moline to Washington Dulles Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Moline to Washington Dulles Airport?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington Dulles Airport from Moline is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Moline to Washington Dulles Airport?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Washington Dulles Airport with an airline and back to Moline with another airline. Booking your flights between Moline and IAD can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Moline to Washington Dulles Airport?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Washington Dulles Airport from Moline up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airlines flying from Moline to Dulles Intl

 
See real verified KAYAK customer reviews for airlines flying from Moline to Washington, D.C.. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Moline to Dulles Intl? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.4
United AirlinesOverall score based on 9188 reviews
8.1Crew
6.6Food
7.1Entertainment
7.7Boarding
7.3Comfort
Airline reviews

It was great. There were some issues prior to takeoff. The weather was poor so we had to go through deicing, and we were delayed a bit by the pilots' concern about one of the engines, but that's aviation. The pilots handled everything with aplomb, and kept us apprised

10.0 ExcellentAnonymous, Jan 2026
YOW - IAD
Read more United Airlines reviews

It was great. There were some issues prior to takeoff. The weather was poor so we had to go through deicing, and we were delayed a bit by the pilots' concern about one of the engines, but that's aviation. The pilots handled everything with aplomb, and kept us apprised

The seats were comfortable and we had leg room. Great entertainment.

The flight crew where really good. Better then the crew from BNE to SFO

Safe made to destination. Late to start at GVA for icy reasons but we fought our next fly.

Miserable. They moved my seat, but canceled the next leg of my flight. I resolved the issue at my transfer, but that resulted in lost luggage that has taken days off my schedule with no resolution. Worse, they fail to interface effectively with Lufthansa, forcing me to bounce between two equally useless help desks. The apps are unable to handle the situation, the bag dropped off the tracker, and while the call centers are polite, they do not provide written information to assist with cross-airline communication.

l really enjoy very much the flight was very pleasant

The flight was delayed for 1:30 hours for maintenance issues. They should give more information about connecting flights. For a Business Cabin the Crew was mediocre.

The food is terrible. The same pasta or chicken with bad taste and presentation

It was probably one of the worst flights I’ve been on. The restrooms were never cleaned or stocked. The food was very subpar, and i usually enjoy airline food, so I was disappointed. It was just all around a bad experience. The only saving grace was the flight attendants.

The only downside was my cell phone charger wouldn’t work in the charging port but everyone else’s would work in them all. My cell phone cable works fine in my hotel room in Frankfurt.

Concern Regarding Significant Gate Delay and Jet Bridge Issue Dear Customer Relations Team, I am writing to express my disappointment with the experience I had on my recent flight AA 2414 on Sunday January 18, 2026. What should have been a routine departure turned into a frustrating and avoidable delay due to an issue with the jet bridge at the gate. As a result, the flight was delayed by approximately 90 minutes while multiple gate changes were attempted. The lack of clear communication during this period made the situation even more challenging. Passengers were left uncertain about the cause of the delay, the expected timeline, and the next steps. This not only disrupted travel plans but also created unnecessary stress for everyone on board. I understand that operational issues can arise, but a malfunctioning jet bridge and the resulting extended delay suggest an area where procedures or equipment maintenance may need attention. I hope you will review this incident to prevent similar disruptions in the future. I would appreciate acknowledgment of this concern and consideration of appropriate compensation for the inconvenience and lost time caused by this delay. Thank you for taking the time to review my experience. I look forward to hearing from you. Sincerely, Dion Dillard

Crew in Columbia was not prepared for landing. It was a bit of a disaster and getting bags took forever.

The seats from lax to DFW was so tight that I could not move my legs . No WiFi and had to pay . Not a good selection of entertainment

We were upgraded to First Class and it was a great flight

Kayak was among the missing. There was not the usual advice regarding next gate after arriving in Dallas. No communication after the reminder to check in before the Moline flight. What happened?

I got sick nothing contagious but distressing enough and the care I received on the flight was astounding.

Horrible. Both legs of my flight were delayed more than 6 hours. No compensation, no screens on the plane, and the plane was not clean.

After we'd boarded , they canceled the flight. The crew didn't even know , we just all received text messages. Then after they deplaned us , AA was just like "too bad, go F your self, we sure ain't gonna help you"

Initial flight was cancelled at the time of arrival to the airport, flight alternative requires switching from direct to flight with a layover, and the plane felt like it would split apart, it was so rattle-y.

Weather delay for 2.5 hours followed by half hour crew delay, did not have ginger ale, uncomfortable seats

Everything you need to know for your flight from Moline to Dulles Intl

Information on your arrival and departure airports