EYW - IAD

$172 Find Cheap Flights from Key West 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 Key West to Dulles Intl departing on 8/29. 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

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 Key West 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 Key West to Washington, D.C., as well as popular online travel agencies
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Flights Deals

Cheap Flights from Key West to Dulles Intl (EYW-IAD)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Key West 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 Key West to Dulles Intl

Thu, Sep 18 - Mon, Sep 22
Delta Logo
2:00 pm - 9:39 pmEYW-IAD
7h 39m1 stop
Delta Logo
6:00 am - 10:55 amIAD-EYW
4h 55m1 stop
$249Delta
Find Deal
Thu, Aug 14 - Thu, Aug 21
Delta Logo
7:00 am - 2:31 pmEYW-IAD
7h 31m1 stop
Delta Logo
3:26 pm - 8:12 pmIAD-EYW
4h 46m1 stop
$319Delta
Find Deal
Tue, Oct 28 - Tue, Nov 18
American Airlines Logo
2:14 pm - 6:51 pmEYW-IAD
4h 37m1 stop
American Airlines Logo
7:55 am - 4:39 pmIAD-EYW
8h 44m2 stops
$364American Airlines
Find Deal
Tue, Oct 28 - Tue, Nov 18
American Airlines Logo
11:22 am - 6:51 pmEYW-IAD
7h 29m2 stops
American Airlines Logo
7:55 am - 4:39 pmIAD-EYW
8h 44m2 stops
$369American Airlines
Find Deal
Thu, Aug 14 - Thu, Aug 21
Delta Logo
2:00 pm - 6:35 pmEYW-IAD
4h 35m1 stop
Delta Logo
12:39 pm - 8:12 pmIAD-EYW
7h 33m1 stop
$399Delta
Find Deal
Fri, Sep 12 - Tue, Sep 16
American Airlines Logo
12:09 pm - 6:51 pmEYW-IAD
6h 42m1 stop
American Airlines Logo
11:18 am - 6:59 pmIAD-EYW
7h 41m2 stops
$439American Airlines
Find Deal
Thu, Sep 18 - Mon, Sep 22
United Airlines Logo
3:50 pm - 7:10 amEYW-IAD
15h 20m2 stops
United Airlines Logo
8:40 am - 2:55 pmIAD-EYW
6h 15m1 stop
$481United Airlines
Find Deal
Wed, Aug 13 - Sun, Aug 17
United Airlines Logo
2:12 pm - 4:21 pmEYW-IAD
26h 09m2 stops
United Airlines Logo
6:16 am - 12:41 pmIAD-EYW
6h 25m1 stop
$487United Airlines
Find Deal
Wed, Aug 13 - Sun, Aug 17
United Airlines Logo
2:12 pm - 1:49 pmEYW-IAD
23h 37m3 stops
United Airlines Logo
6:16 am - 12:41 pmIAD-EYW
6h 25m1 stop
$488United Airlines
Find Deal
Fri, Sep 12 - Tue, Sep 16
American Airlines Logo
7:31 pm - 1:49 pmEYW-IAD
18h 18m2 stops
American Airlines Logo
11:18 am - 6:59 pmIAD-EYW
7h 41m2 stops
$494American Airlines
Find Deal
Expert advice

Expert advice for your flight from Key West to Dulles Intl

 
Snippets provided in this section are AI-generated based on a summarization of KAYAK-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Airports
EYW

Arrive two hours early at EYW due to potential congestion in the sole security area, especially during peak hours with multiple flights departing.

Read more about EYWby Paul Rubio
IAD

Use the Silver Line Metro for a convenient 50-minute ride from IAD to downtown D.C., though it doesn't run 24 hours.

Read more about IADby Stefanie Waldek
Our travel experts
Paul Rubio

Paul Rubio

Expert on EYW

Paul Rubio

Paul Rubio

Travel journalist and photographer Paul Rubio is a Miami native (and current resident), who has lived in nine countries and traveled to 137. He is an expert in luxury travel, eco-travel, loyalty programs, hotels, airports and airlines. He is a contributing editor at AFAR, Condé Nast Traveler, LUXURY Magazine, and Palm Beach Illustrated.

Read more
Stefanie Waldek

Stefanie Waldek

Expert on IAD

Stefanie Waldek

Stefanie Waldek

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Read more
Booking Insights

KAYAK's insights & trends for Key West to Dulles Intl flights

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

Which airlines provide the cheapest flights from Key West to Washington Dulles Airport?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.

In the past 3 days, the cheapest round-trip tickets from Key West to Washington Dulles Airport were found on Delta ($249) and American Airlines ($364).

Good to know

Cheapest flight$172
Flight from Key West to Washington Dulles Airport

When to book flights from Key West to Dulles Intl

Are your dates flexible? Find out the best times to travel from Key West 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 Key West to Washington Dulles Airport flights

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

    In the last 3 days, the lowest price for a flight from Key West to Washington, D.C. Dulles Intl Airport was $172 for a one-way ticket and $249 for a round-trip.

  • Do I need a passport to fly between Key West 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 airports will I be using when flying from Key West to Washington Dulles Airport?

    On your way to Washington Dulles Airport, you’ll fly out from Key West. You’ll be landing at Washington, D.C. Dulles Intl.

  • Which airlines offer Wi-Fi service onboard planes from Key West to Washington Dulles Airport?

    Only American Airlines offers inflight Wi-Fi service on the Key West to Washington Dulles Airport flight route.

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

    The Embraer 175 (Enhanced Winglets) is the aircraft model that flies most regularly on the Key West to Washington Dulles Airport flight route.

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

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

  • How does KAYAK find such low prices on flights from Key West 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 Key West to Washington Dulles Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Key West 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 Key West 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 Key West 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 Key West with another airline. Booking your flights between Key West 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 Key West 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 Key West up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airline flying from Key West to Dulles Intl

 
See real verified KAYAK customer reviews for airlines flying from Key West 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 Key West 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.
8.0
DeltaOverall score based on 7980 reviews
7.9Comfort
8.2Boarding
8.5Crew
7.9Entertainment
7.3Food
Airline reviews

For a 69 year old with health problems I had the worse experience, no wheelchair when I entered a lady told me to sit and wait while a gentleman told me I had to walk to the Delta station, which I did. I had a carry on and a bag, and I was traveling with my service dog, which was on his carrier and the lady charged me for my carry on luggage, beside all the waiting cause of the delay, I had to walk to get my luggage cause no wheelchair showed up, I am so disappointed. I will get in touch with the company. I got home at 3:00 am, not good for my health situation.

2.0 MediocreRosa, Jul 2025TPA - JFK
Read more Delta reviews

For a 69 year old with health problems I had the worse experience, no wheelchair when I entered a lady told me to sit and wait while a gentleman told me I had to walk to the Delta station, which I did. I had a carry on and a bag, and I was traveling with my service dog, which was on his carrier and the lady charged me for my carry on luggage, beside all the waiting cause of the delay, I had to walk to get my luggage cause no wheelchair showed up, I am so disappointed. I will get in touch with the company. I got home at 3:00 am, not good for my health situation.

Flight was an hour late, who knows why. It was OK, nothing outstanding.

Excellent check-in. Crew was good. Excellent communication from flight deck.

Amazing flight! I have never noticed the uniforms of the attendants before in twenty years of flying except today when one female had the most amazing dress on. It was beautifully designed and showed she was in charge. I never dreamed I would google who designed Delta uniforms . The ultimate compliment is when another woman admires your outfit. . I hope your designer puts it on the market

This had nothing to do with Delta… The flights were on time and flawless. The service was excellent. We purchased seats in (aisle/middle) comfort plus since this was a cross country flight. Unfortunately, the woman seated at the window was 300+ pounds and, as might be expected, covered up about a third of the middle seat also. there was absolutely nothing that Delta could have done about that… I just don’t know what the answer should be. If you purchase a seat, you should should be able to use the entire seat and not just the portion that someone else is not sitting/oozing in. Disappointing…there should be something that could be done….I'm just not sure what solution could be.

The worst part was I was NOT allowed in the lounge even though I was holding a first class ticket and have a premium American Express card. I have flown Business or First Class with many airlines. Delta is the ONLY one who does not extend this courtesy to anyone except people who hold the very expensive American Express card. As a result, I won’t fly Delta if I have any other choice.

The Dekta Rep that checked us in was great. She's very personable, pleasant, and can tell she enjoys her job.

The young man who was our flight attendant in first class was lazy and did not do his job well at all. Never offered drinks upon boarding - actually I take that back... said "are you okay with water" as if I do not want to get you anything else, only passed the snacks around once, got my drink order wrong and then never offered a second round of drinks. He was the worst I have ever seen on Delta and we fly a lot.

Flight left early and arrived early. the whole trip was excellent.

Newer plane, relatively easy boarding, not a full flight and was told that we could not be moved up because of weight and balance issues. Otherwise, a very good experience.

Everything you need to know for your flight from Key West to Dulles Intl

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