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

Airlines like Delta fly from Washington, D.C. Dulles Intl Airport to Key West in about 7h 34m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 1025 mi.

In terms of precipitation, rainfall in Key West ranges from 1.5 - 6.7 inches per month. September is typically the wettest month, when rainfall can reach 6.7 in. February is typically the driest time to visit Key West when rainfall is around 1.5 in.

If weather is an important factor for your trip to Key West, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 69.8 F).

What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Key West?

The cheapest flight price from Washington, D.C. Dulles Intl Airport to Key West is $390. On average you can expect to pay $447. The most popular route, (Washington, D.C. Dulles Intl - Key West), can usually be booked for $145.

What are the most popular airlines that fly from Washington, D.C. Dulles Intl Airport to Key West?

United Airlines, Delta and American Airlines are the most popular airlines when flying from Washington, D.C. Dulles Intl Airport to Key West.

What is the cheapest time of day to fly from IAD to EYW?

When flying from Washington, D.C. Dulles Intl Airport to Key West, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Most accurate provider : When it comes to deals on Washington, D.C. Dulles Intl Airport-Key West flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Key West flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Key West flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Washington, D.C. Dulles Intl Airport-Key West 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 Washington, D.C. Dulles Intl Airport-Key West flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

Key West (EYW) is the airport you will fly into if you book a flight from Washington, D.C. Dulles Intl to Key West. You should not have trouble finding flights to Key West from Washington, D.C. Dulles Intl; the airport handles an average of 0 inbound flights from Washington, D.C. Dulles Intl per day. You should also have plenty of airline options to choose from since 3 airlines have flights to the Key West airport from Washington, D.C. Dulles Intl. It is only a 2.6 mi journey from Key West (EYW) to Key West’s city center.

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

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

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

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

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

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

$106+ Cheap Flights from Washington, D.C. Dulles Intl Airport to Key West

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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Key West are usually found in January or November, booked 37 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from Dulles Intl to Key West

Cheapest

Best

Last-minute

One-way

Cheapest flights from Dulles Intl to Key West
Explore the most affordable flight options available from Dulles Intl to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 15, 2026.

Sat 9/267:28 pm -

1 stop15h 53m

Sat 10/310:04 am -

1 stop8h 29m

Deal found 8/13

$145

Sat 9/512:28 pm -

1 stop21h 56m

Wed 9/910:04 am -

1 stop26h 58m

Deal found 8/11

$179

Tue 9/86:09 pm -

2 stops15h 15m

Sat 9/1210:04 am -

1 stop8h 29m

Deal found 8/13

$181

Sat 9/267:28 pm -

1 stop15h 53m

Thu 10/112:01 pm -

2 stops12h 09m

Deal found 8/14

$184

Tue 9/86:09 pm -

2 stops15h 15m

Fri 9/1110:59 am -

1 stop23h 18m

Deal found 8/13

$209

Wed 9/911:12 am -

1 stop23h 07m

Sat 9/1210:04 am -

1 stop8h 29m

Deal found 8/13

$214

Thu 9/109:04 pm -

2 stops36h 20m

Thu 9/1710:59 am -

1 stop22h 33m

Deal found 8/11

$217

Best flights from Dulles Intl to Key West
Discover carefully curated flight deals from Dulles Intl to Key West that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 15, 2026.

Sat 10/318:04 pm -

1 stop15h 15m

Tue 11/31:16 pm -

2 stops11h 12m

Deal found 8/14

$280

Mon 10/512:26 pm -

1 stop7h 34m

Wed 10/146:10 pm -

1 stop6h 32m

Deal found 8/14

$335

Thu 10/2912:29 pm -

1 stop7h 32m

Mon 11/26:11 pm -

1 stop6h 31m

Deal found 8/11

$335

Sat 9/263:15 pm -

1 stop4h 45m

Sat 10/37:40 am -

1 stop6h 31m

Deal found 8/14

$361

Sat 9/52:54 pm -

1 stop5h 03m

Wed 9/96:19 pm -

1 stop6h 22m

Deal found 8/12

$361

Sat 8/292:54 pm -

1 stop5h 03m

Tue 9/111:48 am -

1 stop4h 54m

Deal found 8/14

$387

Mon 10/512:26 pm -

1 stop7h 34m

Sat 10/107:40 am -

1 stop6h 28m

Deal found 8/13

$397

Tue 8/1812:30 pm -

1 stop4h 50m

Tue 8/257:40 am -

1 stop6h 25m

Deal found 8/11

$429

Mon 10/268:03 am -

1 stop4h 50m

Mon 11/26:11 pm -

1 stop6h 31m

Deal found 8/14

$447

Thu 9/246:00 am -

1 stop4h 46m

Tue 9/296:19 pm -

1 stop6h 22m

Deal found 8/11

$517

Wed 9/98:08 am -

1 stop4h 45m

Fri 9/112:00 pm -

1 stop6h 14m

Deal found 8/13

$575

Last-minute flights from Dulles Intl to Key West
Discover last-minute flight deals from Dulles Intl to Key West. Data last updated August 15, 2026 and is based on user searches.

Sat 9/512:28 pm -

1 stop21h 56m

Wed 9/910:04 am -

1 stop26h 58m

Deal found 8/11

$179

Tue 9/86:09 pm -

2 stops15h 15m

Sat 9/1210:04 am -

1 stop8h 29m

Deal found 8/13

$181

Tue 9/86:09 pm -

2 stops15h 15m

Fri 9/1110:59 am -

1 stop23h 18m

Deal found 8/13

$209

Wed 9/911:12 am -

1 stop23h 07m

Sat 9/1210:04 am -

1 stop8h 29m

Deal found 8/13

$214

Thu 9/109:04 pm -

2 stops36h 20m

Thu 9/1710:59 am -

1 stop22h 33m

Deal found 8/11

$217

Sat 9/267:28 pm -

1 stop15h 53m

Sat 10/310:04 am -

1 stop8h 29m

Deal found 8/13

$145

Sat 9/267:28 pm -

1 stop15h 53m

Thu 10/112:01 pm -

2 stops12h 09m

Deal found 8/14

$184

One-way flights from Dulles Intl to Key West
Search for one-way flight options from Dulles Intl to Key West. Find affordable one-way fares based on user searches. Data last updated August 15, 2026.

Sat 9/1911:12 am -

1 stop24h 23m

Deal found 8/11

$106

Sat 10/108:00 pm -

1 stop14h 19m

Deal found 8/10

$116

Fri 10/99:16 pm -

2 stops38h 05m

Deal found 8/10

$143

Thu 9/247:50 am -

2 stops28h 29m

Deal found 8/10

$173

Mon 12/219:00 am -

Nonstop3h 07m

Deal found 8/14

$184

Sun 8/2312:28 pm -

1 stop6h 45m

Deal found 8/13

$229

Tue 12/87:00 am -

1 stop6h 03m

Deal found 8/11

$239

Find flight deals from Dulles Intl to Key West

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$145 (Kiwi.com)
One-way from	$106 (Kiwi.com)
Popular in	October
Cheapest in	January
Average price	$570
Good round-trip deal	$414 or less

Provider with most accurate pricing for Washington, D.C. Dulles Intl-Key West flight deals.

Search Deals

Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Key West flights.

Search Deals

From Washington, D.C. Dulles Intl to Key West

Search Deals

One-way flight from Washington, D.C. Dulles Intl to Key West

Search Deals

Highest demand for flights based on searches. 1% potential increase in price ($10 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Key West.

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Key West that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Key West

IAD Washington, D.C. Dulles Intl - EYW Key West

IADEYW

Washington, D.C. Dulles Intl

Sat 10/31

8:04 pm-11:19 am

1 stop15h 15m

Key West

Tue 11/3

1:16 pm-12:28 am

2 stops11h 12m

$280

Washington, D.C.Key West

IAD Washington, D.C. Dulles Intl - EYW Key West

IADEYW

Washington, D.C. Dulles Intl

Mon 10/5

12:26 pm-8:00 pm

1 stop7h 34m

Key West

Wed 10/14

6:10 pm-12:42 am

1 stop6h 32m

$335

Washington, D.C.Key West

IAD Washington, D.C. Dulles Intl - EYW Key West

IADEYW

Washington, D.C. Dulles Intl

Thu 10/29

12:29 pm-8:01 pm

1 stop7h 32m

Key West

Mon 11/2

6:11 pm-12:42 am

1 stop6h 31m

$335

Washington, D.C.Key West

IAD Washington, D.C. Dulles Intl - EYW Key West

IADEYW

Washington, D.C. Dulles Intl

Sat 9/26

3:15 pm-8:00 pm

1 stop4h 45m

Key West

Sat 10/3

7:40 am-2:11 pm

1 stop6h 31m

$361

Washington, D.C.Key West

IAD Washington, D.C. Dulles Intl - EYW Key West

IADEYW

Washington, D.C. Dulles Intl

Sat 9/5

2:54 pm-7:57 pm

1 stop5h 03m

Key West

Wed 9/9

6:19 pm-12:41 am

1 stop6h 22m

$361

Quickest round-trip

Washington, D.C.Key West

IAD Washington, D.C. Dulles Intl - EYW Key West

IADEYW

Washington, D.C. Dulles Intl

Sat 8/29

2:54 pm-7:57 pm

1 stop5h 03m

Key West

Tue 9/1

11:48 am-4:42 pm

1 stop4h 54m

$387

Washington, D.C.Key West

IAD Washington, D.C. Dulles Intl - EYW Key West

IADEYW

Washington, D.C. Dulles Intl

Mon 10/5

12:26 pm-8:00 pm

1 stop7h 34m

Key West

Sat 10/10

7:40 am-2:08 pm

1 stop6h 28m

$397

Washington, D.C.Key West

IAD Washington, D.C. Dulles Intl - EYW Key West

IADEYW

Washington, D.C. Dulles Intl

Tue 8/18

12:30 pm-5:20 pm

1 stop4h 50m

Key West

Tue 8/25

7:40 am-2:05 pm

1 stop6h 25m

$429

Washington, D.C.Key West

IAD Washington, D.C. Dulles Intl - EYW Key West

IADEYW

Washington, D.C. Dulles Intl

Mon 10/26

8:03 am-12:53 pm

1 stop4h 50m

Key West

Mon 11/2

6:11 pm-12:42 am

1 stop6h 31m

$447

Washington, D.C.Key West

IAD Washington, D.C. Dulles Intl - EYW Key West

IADEYW

Washington, D.C. Dulles Intl

Thu 9/24

6:00 am-10:46 am

1 stop4h 46m

Key West

Tue 9/29

6:19 pm-12:41 am

1 stop6h 22m

$517

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 19 resultsSorted by cheapest first

Compare providers for flights from Dulles Intl to Key West

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Key West in August.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust 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 Washington, D.C. Dulles Intl Airport-Key West flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Key West flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Key West flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Key West 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 Washington, D.C. Dulles Intl Airport-Key West 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 Dulles Intl to Key West

Have a flexible travel schedule? Discover the best time to fly to Key West from Dulles Intl with our price prediction graph.

IAD-EYW

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 Washington, D.C. Dulles Intl Airport to Key West

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Key West?

The price you pay for your flight from Washington, D.C. Dulles Intl Airport to Key West may vary depending on when you book. For the best chance of a lower fare, look to book 36 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Key West (average of $401). Flying from Washington, D.C. Dulles Intl Airport to Key West in October is currently the most expensive (average of $651). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Key West

Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Key West, such as Delta,United Airlines, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

7.8

Good

8,508 reviews

Reviews

1 / 20

4.0

Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.

Delta

7.8

Good

8,508 reviews

Delta

7.8

Good

8,508 reviews

Reviews

1 / 20

4.0

Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.

United Airlines

7.4

Good

10,111 reviews

Delta

7.8

Good

8,508 reviews

Reviews

1 / 20

4.0

Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.

American Airlines

7.1

Good

11,941 reviews

Delta

7.8

Good

8,508 reviews

Reviews

1 / 20

4.0

Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.

Related info for your journey

What airport do you fly into for flights to Key West from Washington, D.C. Dulles Intl?
Key West (EYW) is the airport you will fly into if you book a flight from Washington, D.C. Dulles Intl to Key West. You should not have trouble finding flights to Key West from Washington, D.C. Dulles Intl; the airport handles an average of 0 inbound flights from Washington, D.C. Dulles Intl per day. You should also have plenty of airline options to choose from since 3 airlines have flights to the Key West airport from Washington, D.C. Dulles Intl. It is only a 2.6 mi journey from Key West (EYW) to Key West’s city center.
How long is the flight from Washington, D.C. Dulles Intl Airport to Key West?
Airlines like Delta fly from Washington, D.C. Dulles Intl Airport to Key West in about 7h 34m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 1025 mi.
What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Key West round-trip?
According to our current data, United Airlines ($279), Delta ($303), and American Airlines ($337) offers the cheapest pricing from Washington, D.C. Dulles Intl Airport to Key West. United Airlines is 45% cheaper than the average price of flights available within the next 90 days to this destination.
What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Key West?
The cheapest flight price from Washington, D.C. Dulles Intl Airport to Key West is $390. On average you can expect to pay $447. The most popular route, (Washington, D.C. Dulles Intl - Key West), can usually be booked for $145.
Can I find deals for flights from Dulles Intl to Key West that include hotel bookings?
Yes. In addition to deals on Dulles Intl to Key West flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Dulles Intl to Key West?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Key West.
Can I find deals for business class flights from Dulles Intl to Key West?
Yes. Cheapflights offers flight deals from Dulles Intl to Key West by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Key West?
Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Key West (average of $401). Flying from Washington, D.C. Dulles Intl Airport to Key West in October is currently the most expensive (average of $651). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Dulles Intl to Key West

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Top 3 airlines flying from Dulles Intl to Key West

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$279	Average$468	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$303	Average$608	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$337	Average$540	FlexibilityNo cancel fee	On-time71%

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$106+ Cheap flights from Dulles Intl (IAD) to Key West (EYW)

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 9/19. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dulles Intl to Key West with Cheapflights

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Cheap flight deals from Dulles Intl to Key West

Cheapest flights from Dulles Intl to Key WestExplore the most affordable flight options available from Dulles Intl to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 15, 2026.

Explore the most affordable flight options available from Dulles Intl to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 15, 2026.

Best flights from Dulles Intl to Key WestDiscover carefully curated flight deals from Dulles Intl to Key West that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 15, 2026.

Discover carefully curated flight deals from Dulles Intl to Key West that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 15, 2026.

Last-minute flights from Dulles Intl to Key WestDiscover last-minute flight deals from Dulles Intl to Key West. Data last updated August 15, 2026 and is based on user searches.

Discover last-minute flight deals from Dulles Intl to Key West. Data last updated August 15, 2026 and is based on user searches.

One-way flights from Dulles Intl to Key WestSearch for one-way flight options from Dulles Intl to Key West. Find affordable one-way fares based on user searches. Data last updated August 15, 2026.

Search for one-way flight options from Dulles Intl to Key West. Find affordable one-way fares based on user searches. Data last updated August 15, 2026.

Find flight deals from Dulles Intl to Key West

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Key West that are best for you.

Compare providers for flights from Dulles Intl to Key West

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 Dulles Intl to Key West in August.

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

Have a flexible travel schedule? Discover the best time to fly to Key West from Dulles Intl with our price prediction graph.

Cheapflights Insights

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Key West?

The price you pay for your flight from Washington, D.C. Dulles Intl Airport to Key West may vary depending on when you book. For the best chance of a lower fare, look to book 36 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Reviews of airlines servicing Key West

Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Key West, such as Delta,United Airlines, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

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

What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Key West round-trip?

What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Key West?

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Dulles Intl to Key West

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Key West by adding a car rental and/or hotel reservation to your travel itinerary.

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Dulles Intl and Key West flights

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Other flights from Dulles Intl

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Cheapest flights from Dulles Intl to Key West
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Best flights from Dulles Intl to Key West
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Last-minute flights from Dulles Intl to Key West
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One-way flights from Dulles Intl to Key West
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