EYW - IAD

$106 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 6/3. 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 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
Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

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Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Everything you should know

Cheapest round-trip
$239
Multiple Airlines
Wed 7/8Thu 7/16
EYW - IAD • 2 stops
Cheapest one-way
$106
Multiple Airlines
Wed 6/3
EYW - IAD • 2 stops
Advice from real travelers
AI-powered summary based on content written by travel experts. AI can make mistakes.
Arrive two hours early at Key West for security.
Use the Silver Line Metro from Dulles to downtown D.C.
Expert advice
Expert advice
Expert advice
Expert advice
Top layover airports
Newark (EWR)
Cheapest • Avg $248 (round-trip)
Atlanta (ATL)
Shortest trip • 4h 39m (one-way)
Insights
Insights
Insights
Insights
When to travel
May
Cheapest • 100% price drop
January
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
Expert advice
Flight 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

Wed, Jul 8 - Thu, Jul 16
Multiple Airlines Logo
11:46 am - 11:13 pm
EYW
-
IAD
11h 27m
2 stops
Multiple Airlines Logo
1:36 pm - 11:27 am
IAD
-
EYW
21h 51m
1 stop
$239Multiple Airlines
Tue, Jul 7 - Thu, Jul 16
Multiple Airlines Logo
1:14 pm - 11:43 am
EYW
-
IAD
22h 29m
1 stop
Multiple Airlines Logo
1:36 pm - 11:27 am
IAD
-
EYW
21h 51m
1 stop
$257Multiple Airlines
Thu, Aug 6 - Mon, Aug 10
Multiple Airlines Logo
7:53 pm - 11:43 am
EYW
-
IAD
15h 50m
1 stop
Multiple Airlines Logo
12:28 pm - 12:34 pm
IAD
-
EYW
24h 06m
1 stop
$276Multiple Airlines
Tue, Jul 7 - Thu, Jul 16
Multiple Airlines Logo
1:14 pm - 11:13 pm
EYW
-
IAD
9h 59m
2 stops
Multiple Airlines Logo
1:36 pm - 11:27 am
IAD
-
EYW
21h 51m
1 stop
$281Multiple Airlines
Thu, Aug 6 - Mon, Aug 10
Multiple Airlines Logo
11:04 am - 7:58 pm
EYW
-
IAD
8h 54m
2 stops
Multiple Airlines Logo
12:28 pm - 12:34 pm
IAD
-
EYW
24h 06m
1 stop
$283Multiple Airlines
Wed, May 27 - Fri, May 29
Multiple Airlines Logo
11:46 am - 11:09 pm
EYW
-
IAD
11h 23m
2 stops
Multiple Airlines Logo
12:24 pm - 1:58 pm
IAD
-
EYW
25h 34m
1 stop
$300Multiple Airlines
Fri, May 29 - Sun, May 31
Delta Logo
2:00 pm - 9:24 pm
EYW
-
IAD
7h 24m
1 stop
Delta Logo
6:08 am - 10:53 am
IAD
-
EYW
4h 45m
1 stop
$309Delta
Tue, Jun 2 - Mon, Jun 8
Delta Logo
6:19 pm - 12:51 am
EYW
-
IAD
6h 32m
1 stop
Delta Logo
3:02 pm - 7:53 pm
IAD
-
EYW
4h 51m
1 stop
$319Delta
Fri, Jun 12 - Mon, Jun 15
Multiple Airlines Logo
1:11 pm - 11:22 pm
EYW
-
IAD
10h 11m
2 stops
Multiple Airlines Logo
12:32 pm - 12:34 pm
IAD
-
EYW
24h 02m
1 stop
$329Multiple Airlines
Sun, Jun 14 - Sat, Jun 27
Multiple Airlines Logo
9:16 pm - 2:12 pm
EYW
-
IAD
16h 56m
2 stops
Multiple Airlines Logo
6:00 pm - 3:22 pm
IAD
-
EYW
21h 22m
1 stop
$332Multiple Airlines
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.

What’s the cheapest day of the week to fly from Key West to Washington Dulles Airport?

The average price of all round-trip flights from Key West to Washington, D.C. Dulles Intl Airport clicked on KAYAK for each day over the last 12 months.

If your flying dates are flexible, you should consider flying to Washington Dulles Airport on a Thursday, as we generally find the cheapest rates on that day for this route. On the other hand, Wednesday is the most expensive day to fly from Key West to Washington Dulles Airport. For your return ticket, we recommend flying on a Tuesday and avoiding Mondays for the best deals.

What is the cheapest month to fly from Key West 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 Key West 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 Key West to Washington, D.C. Dulles Intl Airport is May, where tickets cost $0 (return) on average. On the other hand, the most expensive months are January and April, where the average cost of round-trip tickets is $1,468 and $722 respectively.

Can I save money by flying with a layover from Key West to Washington, D.C. Dulles Intl Airport?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 1 stop layover the cheapest option at $441 on average.

Find deals
Expert advice

Expert advice for your flight from Key West to Dulles Intl

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Paul Rubio

Paul Rubio

Expert on EYW

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 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

Good to know

Low seasonSeptember
Cheapest flight$106
Best time to beat the crowds with an average 51% drop in price.
Most popular time to fly with an average 192% increase in price.
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 $106 for a one-way ticket and $239 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.

  • 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.

KAYAK’s top tips for finding a cheap flight from Key West to Washington, D.C. Dulles Intl Airport

  • Looking for a cheap flight? 25% of our users found flights on this route for $386 or less one-way.

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

Information on your arrival and departure airports

Key West (EYW)
Dulles Intl (IAD)