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Dulles Intl

$163+ Cheap flights from Key West (EYW) to Dulles Intl (IAD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/14. Fares are subject to change and may not be available on all flights or dates of travel.
EYW — IAD
Jul 2 — Jul 91
Thu 7/2
Thu 7/9
1 adult, Economy
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Cheap flight deals from Key West to Dulles Intl

Cheapest flights from Key West to Dulles Intl
Explore the most affordable flight options available from Key West to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 2, 2026.

This Kiwi.com deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1612:05 pm
EYW
-
IAD
2 stops23h 15m
Multiple Airlines
Thu 7/301:32 pm
IAD
-
EYW
1 stop21h 55m
Multiple Airlines
Deal found 5/28$273
This Kiwi.com deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/59:01 am
EYW
-
IAD
1 stop5h 15m
Multiple Airlines
Mon 6/88:25 am
IAD
-
EYW
2 stops10h 02m
Multiple Airlines
Deal found 5/28$287
This Kiwi.com deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1012:07 pm
EYW
-
IAD
1 stop6h 26m
Multiple Airlines
Fri 7/109:03 pm
IAD
-
EYW
2 stops16h 51m
Multiple Airlines
Deal found 5/31$296
This Kiwi.com deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/111:46 am
EYW
-
IAD
2 stops20h 39m
Multiple Airlines
Sat 7/111:21 pm
IAD
-
EYW
1 stop22h 04m
Multiple Airlines
Deal found 6/1$326
This Kiwi.com deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/1512:07 pm
EYW
-
IAD
1 stop24h 46m
Multiple Airlines
Fri 6/199:02 pm
IAD
-
EYW
2 stops16h 56m
Multiple Airlines
Deal found 5/31$333
This Kiwi.com deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/2612:07 pm
EYW
-
IAD
1 stop24h 21m
Multiple Airlines
Mon 6/293:06 pm
IAD
-
EYW
2 stops21h 28m
Multiple Airlines
Deal found 5/28$342
This Kiwi.com deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/27:53 pm
EYW
-
IAD
1 stop15h 54m
Multiple Airlines
Sun 7/512:50 pm
IAD
-
EYW
2 stops29h 38m
Multiple Airlines
Deal found 5/31$349
This Kiwi.com deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/193:25 pm
EYW
-
IAD
1 stop21h 03m
Multiple Airlines
Tue 6/233:38 pm
IAD
-
EYW
2 stops19h 28m
Multiple Airlines
Deal found 5/27$355
This Kiwi.com deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/114:02 pm
EYW
-
IAD
2 stops22h 14m
Multiple Airlines
Sun 6/141:38 pm
IAD
-
EYW
1 stop21h 49m
Multiple Airlines
Deal found 5/28$387
This Kiwi.com deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1210:31 am
EYW
-
IAD
2 stops33h 33m
Multiple Airlines
Mon 6/1512:32 pm
IAD
-
EYW
1 stop24h 02m
Multiple Airlines
Deal found 5/29$388

Find flight deals from Key West to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Key West (EYW) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$273
(Kiwi.com)

One-way from

$163
(Kiwi.com)

Popular in

January

Cheapest in

September

Average price

$516
Provider with most accurate pricing for Key West-Washington, D.C. Dulles Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Key West-Washington, D.C. Dulles Intl flights.
Search Deals
From Key West to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Key West to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 28% potential increase in price ($206 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 26% potential price decrease ($108 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Key West to Dulles Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 2, 2026.
Use the filters below to find and compare flights from Key West to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Key WestWashington, D.C.

EYW - IAD

EYWIAD

Key West

Thu 8/6

11:48 am-6:28 pm

1 stop6h 40m

Washington, D.C. Dulles Intl

Mon 8/10

3:03 pm-7:54 pm

1 stop4h 51m

$493

Key WestWashington, D.C.

EYW - IAD

EYWIAD

Key West

Thu 10/8

7:00 am-2:41 pm

1 stop7h 41m

Washington, D.C. Dulles Intl

Sun 10/11

6:00 am-10:58 am

1 stop4h 58m

$493
Quickest round-trip

Key WestWashington, D.C.

EYW - IAD

EYWIAD

Key West

Thu 7/2

6:24 pm-12:44 am

1 stop6h 20m

Washington, D.C. Dulles Intl

Sun 7/5

6:00 am-10:53 am

1 stop4h 53m

$493

Key WestWashington, D.C.

EYW - IAD

EYWIAD

Key West

Fri 6/26

11:59 am-6:42 pm

1 stop6h 43m

Washington, D.C. Dulles Intl

Sun 7/12

10:21 am-5:23 pm

1 stop7h 02m

$522

Key WestWashington, D.C.

EYW - IAD

EYWIAD

Key West

Thu 6/11

2:26 pm-9:00 pm

1 stop6h 34m

Washington, D.C. Dulles Intl

Sun 6/14

8:15 am-3:09 pm

1 stop6h 54m

$551

Key WestWashington, D.C.

EYW - IAD

EYWIAD

Key West

Thu 7/23

2:26 pm-9:00 pm

1 stop6h 34m

Washington, D.C. Dulles Intl

Mon 7/27

6:33 am-1:30 pm

1 stop6h 57m

$583
Cheapest one-way

Key WestWashington, D.C.

EYW - IAD

EYWIAD

Key West

Sun 6/14

9:16 pm-3:56 pm

2 stops18h 40m

$163

Key WestWashington, D.C.

EYW - IAD

EYWIAD

Key West

Thu 6/11

4:02 pm-2:16 pm

2 stops22h 14m

$168

Key WestWashington, D.C.

EYW - IAD

EYWIAD

Key West

Sun 6/7

12:05 pm-3:37 pm

2 stops27h 32m

$174

Key WestWashington, D.C.

EYW - IAD

EYWIAD

Key West

Mon 7/13

7:18 pm-4:13 pm

2 stops20h 55m

$180

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/1

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

Compare providers for flights from Key West to Dulles Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Key West to Dulles Intl in June.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Key West-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Key West-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Key West-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Key West-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Key West-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Key West to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Key West with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Key West to Washington, D.C. Dulles Intl Airport

How much does it cost to fly round-trip from Key West to Washington, D.C. Dulles Intl Airport?

Related info for your journey

Find useful and relevant information for your journey from Key West to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Key West to Washington, D.C. Dulles Intl?

    Most people fly from Key West (EYW) if they book a flight from Key West to Washington, D.C. Dulles Intl. On average, Key West has 0 outbound flights to Washington, D.C. Dulles Intl per day from 0 airlines. Key West is conveniently located just 2.6 mi from Key West’s city center.

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

    For as low as $493, Delta can have you in Washington, D.C. Dulles Intl Airport from Key West in 6h 40m. Airlines will cover a distance of 1025 mi.

  • Can I find deals for flights from Key West to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Key West to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Key West to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Key West to Dulles Intl.

  • Can I find deals for business class flights from Key West to Dulles Intl?

    Yes. Cheapflights offers flight deals from Key West to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Tysons
Owings Mills
Springfield
Arlington
Reston
Herndon
Fredericksburg
Rockville
Hyattsville
Manassas
Hanover
Chantilly
Laurel
Falls Church
Waldorf
Silver Spring
Largo
Clinton
Hunt Valley

Browse thousands of different options on Cheapflights for your next trip

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