Cheap flights from District of Columbia to Key West from $155
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from District of Columbia to Key West departing on 5/24. 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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How to get the cheapest flight ticket from District of Columbia 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 District of Columbia 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 District of Columbia during the month February is also very affordable. Most momondo users find prices during this month for around $423.
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 District of Columbia is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $379. 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 District of Columbia to Key West for around $559.
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 District of Columbia 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 District of Columbia to Key West flight route?
Fly from Washington, D.C. Dulles Intl to Key West for the best District of Columbia - 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 District of Columbia when booking 22 weeks ahead of your departure date. In general, you can expect to find flights to Key West for around $474 when searching 22 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Key West from District of Columbia for as low as $355 on momondo.
What cabin class options are available on District of Columbia to Key West flights?
There are 4 cabin classes available to choose from on District of Columbia to Key West flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from District of Columbia to Key West?
Allegiant Air, United Airlines, and American Airlines are the most popular carriers operating from District of Columbia 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 District of Columbia according to our data. American Airlines is the first choice among our users, with 67% 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 District of Columbia to Key West on average per week?
As of May 2025, 3 flights take off from District of Columbia and land in Key West each week. The most common flight departure day for this route is Mon, with 33% of weekly flights taking off on this day.
Cheap District of Columbia to Key West flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from District of Columbia to Key West
When did momondo last update prices for flights from District of Columbia to Key West Airport?
Prices for flights from District of Columbia to Key West Airport are refreshed on a daily basis.
How many operators does momondo search for flights from District of Columbia to Key West Airport?
As of May 2025, there are 4 operators available to choose from for flights from District of Columbia to Key West Airport.
How old do you have to be to fly from District of Columbia 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 District of Columbia to Key West Airport.
What documentation or ID do you need to fly to Key West Airport?
The necessary travel and health documents for your Key West Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from District of Columbia to Key West?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from District of Columbia to Key West is Embraer 175 (66.79% of total bookings). The next most popular plane models are Boeing 737-700 (24.84%), Embraer 175 (Enhanced Winglets) (2.53%), and Airbus A320neo (1.39%).
Best airlines flying from District of Columbia to Key West
Compare and see reviews for airlines that fly from District of Columbia to Key West with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $96 | Free Cancellation | Rating 7.3 2,921 reviews | |||
| PriceFrom $175 | Free Cancellation | Rating 8.0 7,944 reviews | |||
| PriceFrom $186 | Free Cancellation | Rating 7.4 8,708 reviews | |||
| PriceFrom $228 | Free Cancellation | Rating 7.2 10,000 reviews |
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 District of Columbia to Key West?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from District of Columbia to Key West. momondo saves you time and could save you money on your trip.
Can I find flights from District of Columbia to Key West with flexible booking policies on momondo?
Yes. All flights to Key West from District of Columbia on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from District of Columbia to Key West?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from District of Columbia to Key West.
I’m not ready to book a flight from District of Columbia to Key West right now. Can momondo alert me if prices change?
If you are not ready to book a flight from District of Columbia to Key West now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Key West and let you know when they change.