Cheap flights from Washington, D.C. to Key West from $164
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Key West departing on 7/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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American Airlines flights from Washington, D.C. to Key West
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Delta flights from Washington, D.C. to Key West
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How to get the cheapest flight ticket from Washington, D.C. to Key West
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Key West?
In general, January is the cheapest month to fly from Washington, D.C. to Key West. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $369. If you are unable to visit Key West during the month of January, then departing from Washington, D.C. during the month February is also very affordable. Most momondo users find prices during this month for around $416.
What is the cheapest day to depart on your flight to Key West?
On average, the least expensive day to fly to Key West from Washington, D.C. is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $373. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Washington, D.C. to Key West for around $561.
What is the cheapest time of day to depart on your flight to Key West?
According to our data, the cheapest time of day to fly to Key West is in the afternoon. momondo users have found flights departing from Washington, D.C. to Key West in the afternoon for as low as $340. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Key West are more costly in the evening, with an average ticket price of $559. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.
What is the cheapest Washington, D.C. to Key West flight route?
Fly from Washington, D.C. Reagan-National to Key West for the best Washington, D.C. - Key West flight prices
How far in advance should I book a flight to Key West?
You are more likely to see cheaper flights to Key West from Washington, D.C. when booking 10 weeks ahead of your departure date. In general, you can expect to find flights to Key West for around $443 when searching 10 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Key West from Washington, D.C. for as low as $353 on momondo.
What cabin class options are available on Washington, D.C. to Key West flights?
There are 4 cabin classes available to choose from on Washington, D.C. to Key West flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on Washington, D.C. to Key West flights?
You could potentially save up to 33% on your flight if you consider stops on a Washington, D.C. to Key West flight.
How have Washington, D.C. to Key West flight prices changed over time?
As of June 2025, prices for Washington, D.C. to Key West flights are approximately 5% more expensive when compared to flights at the same time last year.
What is the cheapest airline that flies from Washington, D.C. to Key West?
JetBlue, United Airlines, and Allegiant Air are the most popular carriers operating from Washington, D.C. to Key West
What airlines fly to Key West?
American Airlines, Delta and United Airlines are the top three most popular airlines that fly to Key West from Washington, D.C. according to our data. American Airlines is the first choice among our users, with 68% of people opting to fly with this airline when traveling to Key West. Keep in mind that there are 4 different airlines that fly to Key West on a routine basis, so you have a few additional options to choose from.
How many flights depart from Washington, D.C. to Key West on average per day?
1 flights are operational daily from Washington, D.C. to Key West as of June 2025. The most popular departure time for this route is 8:00AM, with 100% of flights per day taking off at noon.
How many flights depart from Washington, D.C. to Key West on average per week?
The number of flights available between Washington, D.C. and Key West is 7 per week as of June 2025. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.
When to book flights from Washington, D.C. to Key West
Cheap Washington, D.C. to Key West (WAS to EYW) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Key West
How far is Washington, D.C. to Key West by plane?
The straight-line distance from Washington, D.C. to Key West is 1029.2 mi. In terms of flight time, this usually takes a little over 2h 58m.
When did momondo last update prices for flights from Washington, D.C. to Key West Airport?
Prices for flights from Washington, D.C. to Key West Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Washington, D.C. to Key West Airport?
There are 4 operators available for flights from Washington, D.C. to Key West Airport as of June 2025.
How old do you have to be to fly from Washington, D.C. to Key West Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Key West Airport.
What documentation or ID do you need to fly to Key West Airport?
The travel and health documents you'll need for your trip to Key West Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Key West Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Washington, D.C. to Key West?
Based on momondo bookings for flights between Washington, D.C. and Key West, the leading plane model is Embraer 175, making up 76.98% of the total bookings. Other popular models include Boeing 737-700 with 9.06%, Embraer 175 (Enhanced Winglets) with 4.53%, and Airbus A320neo with 2.08%.
What is the most popular airline from Washington, D.C. to Key West?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Washington, D.C. to Key West is American Airlines (77% of total bookings). The next most popular airlines are United Airlines (16%), Delta (6%), and JetBlue (1%).
Best airlines flying from Washington, D.C. to Key West
Compare and see reviews for airlines that fly from Washington, D.C. to Key West with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $96 | Free Cancellation | Rating 7.3 2,925 reviews | |||
| PriceFrom $117 | Free Cancellation | Rating 8.0 7,946 reviews | |||
| PriceFrom $186 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $240 | Free Cancellation | Rating 7.2 10,000 reviews |
American Airlines Flights From Washington, D.C. to Key West
American Airlines flight deals from Washington, D.C. to Key West start from $240 round-trip. Over the 7 American Airlines flights for this route in a normal week, average airfare is usually $497 round-trip - but some users have found much cheaper deals with momondo.
Traveling to a place near Key West?
Book flights to Key West if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Washington, D.C. to Key West?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to Key West. momondo saves you time and could save you money on your trip.
Can I find flights from Washington, D.C. to Key West with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Washington, D.C. to Key West flights to just show those with flexible booking policies.
How can momondo help me find flights from Washington, D.C. to Key West?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Key West from Washington, D.C..
I’m not ready to book a flight from Washington, D.C. to Key West right now. Can momondo alert me if prices change?
Price alerts on flights to Key West from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.