A coastal fortification with a clear blue sea and shallow coral reefs.

$229 Cheap Flights from Washington (DCA) to Key West (EYW)

View $229 flight on Tue, Mar 16, 2027Opens in a new window

Popular airlines from Ronald Reagan Washington National Airport (DCA) to Key West Intl. Airport (EYW)

Cheap Flights from Washington to Key West (DCA-EYW)

Prices were available within the past 7 days and start at $229 for one-way flights and $335 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, Dec 5 - Wed, Dec 9
DCA
Washington
EYW
Key West
$335 Roundtrip, found 3 hours ago
$335
Roundtrip
found 3 hours ago
Select Delta flight, departing Sat, Dec 5 from Washington to Key West, returning Wed, Dec 9, priced at $335 found 3 hours ago
Delta
Sat, Dec 5 - Wed, Dec 9
DCA
Washington
EYW
Key West
$361 Roundtrip, found 3 hours ago
$361
Roundtrip
found 3 hours ago
Select Delta flight, departing Sat, Dec 5 from Washington to Key West, returning Wed, Dec 9, priced at $361 found 3 hours ago
Delta
Wed, Nov 4 - Tue, Nov 10
DCA
Washington
EYW
Key West
$387 Roundtrip, found 15 hours ago
$387
Roundtrip
found 15 hours ago
Select Delta flight, departing Wed, Nov 4 from Washington to Key West, returning Tue, Nov 10, priced at $387 found 15 hours ago
American Airlines
Wed, Nov 4 - Sat, Nov 7
DCA
Washington
EYW
Key West
$393 Roundtrip, found 1 hour ago
$393
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Wed, Nov 4 from Washington to Key West, returning Sat, Nov 7, priced at $393 found 1 hour ago
Delta
Sat, Dec 5 - Wed, Dec 9
DCA
Washington
EYW
Key West
$395 Roundtrip, found 3 hours ago
$395
Roundtrip
found 3 hours ago
Select Delta flight, departing Sat, Dec 5 from Washington to Key West, returning Wed, Dec 9, priced at $395 found 3 hours ago
Delta
Tue, Oct 20 - Sat, Oct 24
DCA
Washington
EYW
Key West
$397 Roundtrip, found 2 hours ago
$397
Roundtrip
found 2 hours ago
Select Delta flight, departing Tue, Oct 20 from Washington to Key West, returning Sat, Oct 24, priced at $397 found 2 hours ago
Delta
Sat, Dec 5 - Wed, Dec 9
DCA
Washington
EYW
Key West
$401 Roundtrip, found 3 hours ago
$401
Roundtrip
found 3 hours ago
Select Delta flight, departing Sat, Dec 5 from Washington to Key West, returning Wed, Dec 9, priced at $401 found 3 hours ago
American Airlines
Wed, Nov 4 - Sat, Nov 7
DCA
Washington
EYW
Key West
$403 Roundtrip, found 1 hour ago
$403
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Wed, Nov 4 from Washington to Key West, returning Sat, Nov 7, priced at $403 found 1 hour ago
American Airlines
Wed, Nov 4 - Sat, Nov 7
DCA
Washington
EYW
Key West
$413 Roundtrip, found 1 hour ago
$413
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Wed, Nov 4 from Washington to Key West, returning Sat, Nov 7, priced at $413 found 1 hour ago
United
Sat, May 8 - Sat, Jun 5
DCA
Washington
EYW
Key West
$460 Roundtrip, found 1 day ago
$460
Roundtrip
found 1 day ago
Select United flight, departing Sat, May 8 from Washington to Key West, returning Sat, Jun 5, priced at $460 found 1 day ago

Alternative airports near Key West

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Key West Intl. EYW. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $422
EYW
Key West Intl.
CheapestClosest
Average driving time to city center8 min
Flights from $422

Find the cheapest month to fly from Washington (DCA) to Key West (EYW)

June is typically the cheapest month to fly

From $273 - $497 per traveler.

What you need to know for your flight from Ronald Reagan Washington National to Key West Intl.

Washington (DCA) to Key West (EYW) at a glance

Explore a range of airlines offering flights from Ronald Reagan Washington National Airport (DCA) to Key West International Airport (EYW) on this short domestic route. Whether you're looking for budget-friendly options or full-service experiences, you can compare various itineraries to find the best fit for your travel plans, budget, and schedule. Discover the key details for your journey from DC to Key West and uncover the latest deals on flights to make the most of your trip.

  • Fastest flight duration: around 3 hours non-stop
  • Route distance: roughly 1,000 miles (1,610 km)
  • Flights per week: around 12 departures on average
  • Typical fares (one-way): economy tickets often range from $115–$430, depending on seasonality and how far ahead you book

Flights from Ronald Reagan Washington National Airport (DCA) to Key West International Airport (EYW)

Explore the top airlines favored by travelers flying from Washington to Key West, especially for non-stop and one-stop flights. Common layover spots include Miami International Airport (MIA), with an average layover of about 1 hour and 30 minutes, Hartsfield-Jackson Atlanta International Airport (ATL) at around 1 hour and 15 minutes, and Charlotte-Douglas International Airport (CLT), also about 1 hour and 15 minutes. These options allow you to tailor your journey based on price, total travel time, and cabin class to create the ideal itinerary.

  • American Airlines: As a comprehensive airline, it provides both non-stop and one-stop options. One-way ticket prices generally fall between $120 and $500, making up about 95% of departures on this route. Expect a typical non-stop flight duration of around 3 hours.
  • Delta: This full-service airline offers one-stop services, with one-way fares typically ranging from $115 to $345. Delta represents about 3% of departures for this route. In-flight time is approximately 3 hours and 45 minutes, culminating in a total travel duration of about 5 hours and 15 minutes, including layovers.
  • United: Another full-service option, United provides one-stop flights with one-way fares usually between $115 and $285. It accounts for roughly 1% of departures on this route, featuring an in-flight duration of 3 hours and 45 minutes, and an overall journey time nearing 5 hours and 15 minutes, factoring in layovers.
  • JetBlue Airways: Known as a low-cost carrier, JetBlue offers one-stop service with one-way fares typically ranging from $160 to $295. It holds about 1% of the departures on this route, with an in-flight time of 3 hours and 45 minutes, leading to a total travel time of around 5 hours and 15 minutes, including the layover.

Travelers flying from Washington to Key West can enhance their journey with an upgrade. American Airlines provides first-class service on this route for a more luxurious experience.

Best time to fly from Washington (DCA) to Key West (EYW)

The most popular months for travelers flying from Washington to Key West are February, March, and April, when peak temperatures in Key West reach up to 76.8°F in April. If you prefer quieter travel, consider August, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 84.4°F. For better deals, October usually offers the lowest average one-way fare around $230. Flight availability peaks in February and April, with approximately 14 flights per week, making it easier to find convenient departure times.

  • Cheapest time to fly: October usually offers good deals with average one-way fare around $230, roughly 10% cheaper than the yearly average.
  • More budget-friendly months to fly: July, January, and August typically offer average one-way fares roughly ranging from $233 to $244.
  • Most flight options: February and April have the highest number of flights from Washington to Key West, with approximately 14 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January71.1°F (21.7°C)Average13$243
February72.1°F (22.3°C)High14$268
March73.4°F (23.0°C)High13$277
April76.8°F (24.9°C)High14$267
May79.3°F (26.3°C)Low12$256
June82.6°F (28.1°C)Average10$287
July84.0°F (28.9°C)Average10$233
August84.4°F (29.1°C)Low10$244
September83.7°F (28.7°C)Low10$254
October80.8°F (27.1°C)Average11$230
November76.6°F (24.8°C)Average11$257
December73.9°F (23.3°C)Average11$282

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative route from Washington (DCA) to Key West (EYW)

  • Washington to Key West (IAD-EYW): Washington Dulles International Airport (IAD) lies approximately 23 miles from Ronald Reagan Washington National Airport (DCA). One-way economy ticket prices on this route generally fall between $115 and $430, influenced by the season and advance booking. Travelers can choose from both non-stop and one-stop flights. Major airlines operating on this route include United and Delta. Additionally, first-class service is offered for those seeking a premium experience.

How to find the best prices for flights from Washington (DCA) to Key West (EYW)

Getting some of the best deals on flights from Washington to Key West is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are generally available when booking 2-8 weeks in advance, although most travelers tend to book at least 2 months ahead. Afternoon departures, from 12pm to 6pm, often provide lower prices, while morning flights from 5am to 12pm are the most popular. Additionally, flying on Tuesday usually offers cheaper rates, even though Friday is the busiest travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.* Find Key West hotel and flight deals.
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Key West International Airport from Ronald Reagan Washington National Airport

Key West welcomes travelers from Washington with a range of transport options based on price, convenience, and proximity. For departures, Ronald Reagan Washington National Airport is roughly a 10-minute drive (covering about 5 miles) from central Washington. Here's how to reach Key West efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Key West, with options including free hotel shuttles and private rides, which can be arranged in advance with your hotel.
  • Car rental: Renting a car from Key West International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Key West International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Key West International Airport, Key West Seaport, a seaport, is located about 3.7 miles away by car, making it easily accessible for travelers heading to the waterfront.

Frequently asked questions

How much does a flight from Washington, DC (DCA-Ronald Reagan Washington National) to Key West, FL (EYW-Key West Intl.) cost?
You can find cheap one-way flights from $229 and cheap return flights from $335 Washington, DC (DCA-Ronald Reagan Washington National) to Key West, FL (EYW-Key West Intl.) with Expedia. One-way flights generally range between $231 and $791, and roundtrip flights usually range from $393 to $1259. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Washington, DC (DCA-Ronald Reagan Washington National) to Key West, FL (EYW-Key West Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Washington, DC (DCA-Ronald Reagan Washington National) to Key West, FL (EYW-Key West Intl.)?
September is the cheapest month to fly from Washington, DC (DCA) to Key West, FL (EYW), with average return fares around $358. This is about 20% lower than the average price throughout the year, as September often sees a drop in travel demand after the summer. Other economical months to consider are January and May.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Washington, DC (DCA-Ronald Reagan Washington National) to Key West, FL (EYW-Key West Intl.)?
You can fly direct from DCA to EYW on American Airlines, with around 18 flights per week.
How do I find cheap flights from Washington, DC (DCA-Ronald Reagan Washington National) to Key West, FL (EYW-Key West Intl.)?
To find a cheap flight from Washington, DC (DCA-Ronald Reagan Washington National) to Key West, FL (EYW-Key West Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Washington, DC (DCA-Ronald Reagan Washington National) to Key West, FL (EYW-Key West Intl.)?
The best airline to fly with from Washington, DC (DCA) to Key West, FL (EYW) will differ from traveler to traveler. If you like to fly early, American Airlines offers early morning flights. If price is the most important factor, American Airlines typically offers the lowest fares. American Airlines also offers the most daily flights from DCA to EYW, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Washington, DC (DCA-Ronald Reagan Washington National) to Key West, FL (EYW-Key West Intl.)?
The best time to fly from Washington, DC (DCA) to Key West, FL (EYW) is typically in January or September. January offers a return flight price of around $358, making it the cheapest month, while September is also affordable and provides a pleasant travel experience. These months balance lower prices with good flight availability, allowing you to enjoy your trip without breaking the bank.*Prices based on flights available on Expedia in the last year.
How many flights per day from Washington, DC (DCA-Ronald Reagan Washington National) to Key West, FL (EYW-Key West Intl.)?
On average, there are around 3 nonstop flights per day from Ronald Reagan Washington National (DCA) to Key West Intl. (EYW). For more options, look at flights that include layovers.
What is the earliest flight from Washington, DC (DCA-Ronald Reagan Washington National) to Key West, FL (EYW-Key West Intl.)?
The earliest flight from Washington, DC (DCA) to Key West (EYW) usually departs at 5:00 AM, operated by American Airlines. This seasonal service is available in June, giving you a head start on your day in the beautiful Florida Keys. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Washington, DC (DCA-Ronald Reagan Washington National) to Key West, FL (EYW-Key West Intl.)?
The most popular departure times for flights from Ronald Reagan Washington National Airport (DCA) to Key West Intl. (EYW) are in the early morning, from 6am to 9am. About 44% of passengers prefer this time window. Many major carriers, including American Airlines and Delta, offer flights during this window. This timing works well because it allows you to arrive in Key West with plenty of time to enjoy the day ahead.
How long does it take to fly from Washington, DC (DCA-Ronald Reagan Washington National) to Key West, FL (EYW-Key West Intl.)?
Direct flights from DCA to EYW usually take about 3 hours 20 minutes, traveling roughly 1,026 miles. If you opt for a connecting flight, expect to add around 4 hours to your journey. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Washington, DC (DCA-Ronald Reagan Washington National) to Key West, FL (EYW-Key West Intl.)?
Select the "Business class" and "First class" filters when looking for DCA to EYW flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How much is a business class flight from Washington, DC (DCA-Ronald Reagan Washington National) to Key West, FL (EYW-Key West Intl.)?
A direct, return business class ticket from Washington, DC (DCA) to Key West, FL (EYW) typically costs between $1,448 - $1,806. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Washington, DC (DCA-Ronald Reagan Washington National) to Key West, FL (EYW-Key West Intl.) if you opt for a connecting flight.*Prices based on flights available on Expedia in the last year.
How do I earn miles on a Washington, DC (DCA-Ronald Reagan Washington National) to Key West, FL (EYW-Key West Intl.) flight with Expedia?
It's easy to earn miles on a Washington, DC (DCA-Ronald Reagan Washington National) to Key West, FL (EYW-Key West Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Key West from Ronald Reagan Washington National (DCA)?
If you're planning to travel to Key West from Ronald Reagan Washington National (DCA), you can fly into Key West Intl. (EYW) Some flights may connect through major hubs like Logan Intl. (BOS), Liberty Intl. (EWR), O'Hare Intl. (ORD) before reaching Key West. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Washington, DC (DCA-Ronald Reagan Washington National) to Key West, FL (EYW-Key West Intl.) at the last minute?
Typically, booking a last minute flight from Washington, DC (DCA-Ronald Reagan Washington National) to Key West, FL (EYW-Key West Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Washington, DC (DCA-Ronald Reagan Washington National) to Key West, FL (EYW-Key West Intl.) flight and hotel package?
Securing a Washington, DC (DCA-Ronald Reagan Washington National) to Key West, FL (EYW-Key West Intl.) Key West Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Washington, DC (DCA-Ronald Reagan Washington National) to Key West, FL (EYW-Key West Intl.)?
If you booked your Washington, DC (DCA-Ronald Reagan Washington National) to Key West, FL (EYW-Key West Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Ronald Reagan Washington National
Destination airport
Key West Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$334
Distance
1025 mi
Average flight time
3 hours 16 mins

Book with confidence

Washington to Key West Flights

The cheapest times to fly from Washington to Key West

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Washington to Key West are during the month of December. You can find some of the cheapest flights from Washington to Key West with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Key West

Sunday is one of the best days to book for cheap flights from Washington to Key West: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Washington to Key West

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Washington to Key West in 2026. You can also book with separate airlines for your outbound and return journeys, from $229 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Washington to Key West flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Washington to Key West airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Washington to Key West Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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