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Key West

$100+ 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 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — EYW
Feb 26 — Mar 51
Wed 2/26
Wed 3/5
1 adult, Economy
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The best prices from Washington, D.C. Dulles Intl to Key West are usually found in September or January, booked 51 days in advance, depart on a Tuesday or Wednesday and return on a Monday

Cheap flight deals from Dulles Intl to Key West

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Key West (EYW). 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 February 21, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$260
(United)

One-way from

$100
(Delta)

Popular in

December

Cheapest in

September

Average price

$483

Good round-trip deal

$260 or less

Good one-way deal

$89 or less
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Key West flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Key West flights.
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From Washington, D.C. Dulles Intl to Key West
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One-way flight from Washington, D.C. Dulles Intl to Key West
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Highest demand for flights based on searches. 5% potential increase in price ($26 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Key West.
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Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Key West.
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Find flight deals from Dulles Intl to Key West

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 February 21, 2025.

This Delta deal was found by Cheapflights users on 2/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/226:00 amIAD - EYW
1 stop7h 09mDelta
Wed 10/17:00 amEYW - IAD
1 stop5h 00mDelta
Deal found 2/20$249
This United deal was found by Cheapflights users on 2/20. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/188:40 amIAD - EYW
Nonstop3h 01mUnited Airlines
Tue 3/2512:45 pmEYW - IAD
Nonstop2h 40mUnited Airlines
Deal found 2/20$260
This American Airlines deal was found by Cheapflights users on 2/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/149:21 amIAD - EYW
1 stop4h 46mAmerican Airlines
Wed 5/215:20 pmEYW - IAD
1 stop6h 43mAmerican Airlines
Deal found 2/20$319
This Mytrip deal was found by Cheapflights users on 2/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/65:40 pmIAD - EYW
2 stops22h 38mMultiple Airlines
Thu 3/135:38 pmEYW - IAD
2 stops19h 12mMultiple Airlines
Deal found 2/20$349

Find flights from Dulles Intl to Key West within your budget

Customize your flight search to find flights from Dulles Intl to Key West 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 February 21, 2025.

Fly from

Dulles Intl

Fly to

Key West

Route

Depart

Return

Price

Washington, D.C.Key West

IAD - EYW

IADEYW

Washington, D.C. Dulles Intl

Tue 3/18

8:40 am-11:41 am

Nonstop3h 01m

Key West

Tue 3/25

12:45 pm-3:25 pm

Nonstop2h 40m

$260

Washington, D.C.Key West

IAD - EYW

IADEYW

Washington, D.C. Dulles Intl

Tue 3/11

10:00 am-5:20 pm

1 stop7h 20m

Key West

Tue 3/18

6:15 pm-12:31 am

1 stop6h 16m

$264

Washington, D.C.Key West

IAD - EYW

IADEYW

Washington, D.C. Dulles Intl

Wed 5/14

9:21 am-2:07 pm

1 stop4h 46m

Key West

Wed 5/21

5:20 pm-12:03 am

1 stop6h 43m

$319

Washington, D.C.Key West

IAD - EYW

IADEYW

Washington, D.C. Dulles Intl

Thu 3/6

5:40 pm-4:18 pm

2 stops22h 38m

Key West

Thu 3/13

5:38 pm-12:50 pm

2 stops19h 12m

$349

Washington, D.C.Key West

IAD - EYW

IADEYW

Washington, D.C. Dulles Intl

Tue 4/1

7:35 am-1:50 pm

1 stop6h 15m

$100

Washington, D.C.Key West

IAD - EYW

IADEYW

Washington, D.C. Dulles Intl

Mon 3/17

5:50 pm-6:55 pm

1 stop25h 05m

$157

Washington, D.C.Key West

IAD - EYW

IADEYW

Washington, D.C. Dulles Intl

Wed 4/16

2:12 pm-6:55 pm

1 stop4h 43m

$160

Washington, D.C.Key West

IAD - EYW

IADEYW

Washington, D.C. Dulles Intl

Thu 4/24

5:40 pm-4:16 pm

2 stops22h 36m

$172

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/21

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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust 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.
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.

Travel insights for flights from Dulles Intl to Key West

Get recent, data-driven insights about flights from Dulles Intl to Key West including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Key West. Price data was last updated on February 14, 2025.

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 50 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, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Key West (average of $328). Flying from Washington, D.C. Dulles Intl Airport to Key West in March is currently the most expensive (average of $510). 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.

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

Find hourly flight availability from Dulles Intl to Key West. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 21, 2025.

It’s optimal to fly from Washington, D.C. Dulles Intl Airport to Key West in the afternoon. By choosing this option you can save up to 5% on the cost of your flight, compared to a flight in the morning.

Weekly flight availability from Washington, D.C. Dulles Intl Airport to Key West

Explore weekly flight availability from Dulles Intl to Key West. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated February 21, 2025.

The most flights from IAD to EYW are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in Key West by month

Plan your trip to Key West by taking into account the average rainfall totals by month.

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.

Temperature in Key West by month

Plan your trip to Key West by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing Key West

Get insights into the airlines that provide service to Key West. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Key West. Reviews last updated February 21, 2025.
To help decide which airline to fly from Washington, D.C. to Key West, see what other customers have to say about Delta, United Airlines and American Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,217 reviews

Comfort

8.0

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 20

2.0
Mediocre

Joseph,Aug 2023

MSP - MCO

Even if you have delta comfort plus, they will move your overhead bag. One of the perks for upgrading is that you have dedicated space for your carry on with comfort plus with delta. They moved my carry on luggage (3) compartments back and put in bags for other passengers that should have gone under their respective seats. When deboarding the plane, there was no help from anyone to retrieve my luggage back several rows. Delta is turning into pure garbage.

Delta
8.0
Very good
8,217 reviews
Delta
8.0
Very good
8,217 reviews

Comfort

8.0

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 20

2.0
Mediocre

Joseph,Aug 2023

MSP - MCO

Even if you have delta comfort plus, they will move your overhead bag. One of the perks for upgrading is that you have dedicated space for your carry on with comfort plus with delta. They moved my carry on luggage (3) compartments back and put in bags for other passengers that should have gone under their respective seats. When deboarding the plane, there was no help from anyone to retrieve my luggage back several rows. Delta is turning into pure garbage.

United Airlines
7.4
Good
8,760 reviews
Delta
8.0
Very good
8,217 reviews

Comfort

8.0

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 20

2.0
Mediocre

Joseph,Aug 2023

MSP - MCO

Even if you have delta comfort plus, they will move your overhead bag. One of the perks for upgrading is that you have dedicated space for your carry on with comfort plus with delta. They moved my carry on luggage (3) compartments back and put in bags for other passengers that should have gone under their respective seats. When deboarding the plane, there was no help from anyone to retrieve my luggage back several rows. Delta is turning into pure garbage.

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,217 reviews

Comfort

8.0

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 20

2.0
Mediocre

Joseph,Aug 2023

MSP - MCO

Even if you have delta comfort plus, they will move your overhead bag. One of the perks for upgrading is that you have dedicated space for your carry on with comfort plus with delta. They moved my carry on luggage (3) compartments back and put in bags for other passengers that should have gone under their respective seats. When deboarding the plane, there was no help from anyone to retrieve my luggage back several rows. Delta is turning into pure garbage.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Key West. 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 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 1 inbound flight 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.

  • 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 ($260), Delta ($264), and American Airlines ($319) 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 airlines to fly from Washington, D.C. Dulles Intl Airport to Key West one-way?

    One-way options have recently been found by users for as low as $100 on Delta. Other airlines that offer cheap prices include United Airlines from $157 and American Airlines from $160 one-way.

  • 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 $89. On average you can expect to pay $347. The most popular route, (Washington, D.C. Dulles Intl - Key West), can usually be booked for $199.

  • 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, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Key West (average of $328). Flying from Washington, D.C. Dulles Intl Airport to Key West in March is currently the most expensive (average of $510). 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.

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Alternative routes for Dulles Intl to Key West

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Dulles Intl to Key West

Discover the top 3 airlines that operate flights from Dulles Intl to Key West. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$229Average$477FlexibilityNo cancel feeOn-time69%
DeltaCheapest$243Average$370FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$305Average$502FlexibilityNo cancel feeOn-time71%
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