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170 € Cheap Flights from Baltimore Washington International to Key West International

Compare Baltimore Washington International to Key West International flight deals

Find the cheapest month or even day of the year to fly to Key West International

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Flight deals from Baltimore Washington International to Key West International

Looking for a cheap last-minute deal or the best return flight from Baltimore Washington International Airport to Key West International Airport? If you want to travel next month, return fares start from 183 €. Find the lowest prices on one-way and return tickets right here.
Key West.170 € per passenger.Departing Sat, 30 May, returning Thu, 4 Jun.Return flight with Frontier Airlines and Allegiant Air.Outbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Sat, 30 May, arriving in Key West International.Inbound indirect flight with Allegiant Air, departs from Key West International on Thu, 4 Jun, arriving in Baltimore Washington International.Price includes taxes and charges.From 170 €, select.
Key West.182 € per passenger.Departing Thu, 6 Aug, returning Mon, 10 Aug.Return flight with Frontier Airlines and Allegiant Air.Outbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Thu, 6 Aug, arriving in Key West International.Inbound indirect flight with Allegiant Air, departs from Key West International on Mon, 10 Aug, arriving in Baltimore Washington International.Price includes taxes and charges.From 182 €, select.
Key West.183 € per passenger.Departing Fri, 5 Jun, returning Fri, 12 Jun.Return flight with Frontier Airlines and Allegiant Air.Outbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Fri, 5 Jun, arriving in Key West International.Inbound indirect flight with Allegiant Air, departs from Key West International on Fri, 12 Jun, arriving in Baltimore Washington International.Price includes taxes and charges.From 183 €, select.
Key West.188 € per passenger.Departing Fri, 5 Jun, returning Tue, 25 Aug.Return flight with Frontier Airlines and Breeze Airways.Outbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Fri, 5 Jun, arriving in Key West International.Inbound indirect flight with Breeze Airways, departs from Key West International on Tue, 25 Aug, arriving in Baltimore Washington International.Price includes taxes and charges.From 188 €, select.
Key West.225 € per passenger.Departing Sun, 11 Oct, returning Thu, 15 Oct.Return flight with Frontier Airlines and Breeze Airways.Outbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Sun, 11 Oct, arriving in Key West International.Inbound indirect flight with Breeze Airways, departs from Key West International on Thu, 15 Oct, arriving in Baltimore Washington International.Price includes taxes and charges.From 225 €, select.
Key West.227 € per passenger.Departing Tue, 7 Jul, returning Tue, 14 Jul.Return flight with Frontier Airlines and Breeze Airways.Outbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Tue, 7 Jul, arriving in Key West International.Inbound indirect flight with Breeze Airways, departs from Key West International on Tue, 14 Jul, arriving in Baltimore Washington International.Price includes taxes and charges.From 227 €, select.
Key West.235 € per passenger.Departing Tue, 30 Jun, returning Mon, 6 Jul.Return flight with Frontier Airlines and Allegiant Air.Outbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Tue, 30 Jun, arriving in Key West International.Inbound indirect flight with Allegiant Air, departs from Key West International on Mon, 6 Jul, arriving in Baltimore Washington International.Price includes taxes and charges.From 235 €, select.
Key West.240 € per passenger.Departing Sun, 17 May, returning Thu, 21 May.Return flight with Frontier Airlines and Allegiant Air.Outbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Sun, 17 May, arriving in Key West International.Inbound indirect flight with Allegiant Air, departs from Key West International on Thu, 21 May, arriving in Baltimore Washington International.Price includes taxes and charges.From 240 €, select.
Key West.275 € per passenger.Departing Wed, 2 Sep, returning Sat, 5 Sep.Return flight with Delta.Outbound indirect flight with Delta, departs from Baltimore Washington International on Wed, 2 Sep, arriving in Key West International.Inbound indirect flight with Delta, departs from Key West International on Sat, 5 Sep, arriving in Baltimore Washington International.Price includes taxes and charges.From 275 €, select.
Key West.337 € per passenger.Departing Wed, 16 Dec, returning Sat, 19 Dec.Return flight with Delta.Outbound indirect flight with Delta, departs from Baltimore Washington International on Wed, 16 Dec, arriving in Key West International.Inbound indirect flight with Delta, departs from Key West International on Sat, 19 Dec, arriving in Baltimore Washington International.Price includes taxes and charges.From 337 €, select.
Key West.342 € per passenger.Departing Tue, 27 Oct, returning Sun, 1 Nov.Return flight with Frontier Airlines and Breeze Airways.Outbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Tue, 27 Oct, arriving in Key West International.Inbound indirect flight with Breeze Airways, departs from Key West International on Sun, 1 Nov, arriving in Baltimore Washington International.Price includes taxes and charges.From 342 €, select.
Key West.391 € per passenger.Departing Sat, 25 Jul, returning Sat, 1 Aug.Return flight with Frontier Airlines and Allegiant Air.Outbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Sat, 25 Jul, arriving in Key West International.Inbound indirect flight with Allegiant Air, departs from Key West International on Sat, 1 Aug, arriving in Baltimore Washington International.Price includes taxes and charges.From 391 €, select.
Key West.393 € per passenger.Departing Fri, 6 Nov, returning Fri, 13 Nov.Return flight with Delta.Outbound indirect flight with Delta, departs from Baltimore Washington International on Fri, 6 Nov, arriving in Key West International.Inbound indirect flight with Delta, departs from Key West International on Fri, 13 Nov, arriving in Baltimore Washington International.Price includes taxes and charges.From 393 €, select.
Key West.414 € per passenger.Departing Mon, 1 Mar, returning Sat, 6 Mar.Return flight with Delta.Outbound indirect flight with Delta, departs from Baltimore Washington International on Mon, 1 Mar, arriving in Key West International.Inbound indirect flight with Delta, departs from Key West International on Sat, 6 Mar, arriving in Baltimore Washington International.Price includes taxes and charges.From 414 €, select.
Key West.542 € per passenger.Departing Thu, 4 Feb, returning Mon, 8 Feb.Return flight with Delta.Outbound indirect flight with Delta, departs from Baltimore Washington International on Thu, 4 Feb, arriving in Key West International.Inbound indirect flight with Delta, departs from Key West International on Mon, 8 Feb, arriving in Baltimore Washington International.Price includes taxes and charges.From 542 €, select.
Key West.595 € per passenger.Departing Fri, 15 Jan, returning Fri, 22 Jan.Return flight with Delta.Outbound indirect flight with Delta, departs from Baltimore Washington International on Fri, 15 Jan, arriving in Key West International.Inbound indirect flight with Delta, departs from Key West International on Fri, 22 Jan, arriving in Baltimore Washington International.Price includes taxes and charges.From 595 €, select.

Find the cheapest month to fly from Baltimore Washington International to Key West International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Baltimore Washington International to Key West International flights are currently cheapest in August.
May
from 240 €
Jun
from 183 €
Jul
from 227 €
Aug
from 182 €
Sep
from 275 €
Oct
from 225 €
Nov
from 393 €
Dec
from 337 €
Jan
from 595 €
Feb
from 542 €
Mar
from 414 €
Apr
Find prices

Baltimore Washington International to Key West International: Alternative routes

Compare routes from Baltimore Washington International to Key West below. You may find an airport to fly into that's cheaper, faster, or easier than Key West International.

Key West International

5km from central Key West
ClosestCheapest
from 170 €
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Washington D.C. to Key West: Flight information

The things to know before you go.
Cheapest flight found170 €
Cheapest month to flyMay

Finding cheap flights from Baltimore Washington International to Key West International: Frequently asked questions

The best price we found for a return flight from Baltimore Washington International to Key West International is 170 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Baltimore Washington International to Key West International. But we found flights with one or more stops from 170 €.
As of May 2026, there are no flights flying from Baltimore Washington International to Key West International.
The cheapest month to fly from Baltimore Washington International to Key West International is usually May.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Baltimore Washington International Airport to Key West International Airport on Saturday, 30 May 2026.
No airlines currently offer direct flights between Baltimore Washington International Airport and Key West International Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Key West International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Key West is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines offers the cheapest flight tickets to Key West International.

Travelling from Baltimore/Wash International Thurgood Marshall Airport (BWI) to Key West International Airport (EYW): what you need to know

  • Arrive at the airport on time so you don't miss your BWI to EYW flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to prevent a last-minute sprint to your gate.

  • During popular months such as July, it's a good idea to get to the airport earlier. Plan to arrive two hours before a domestic departure and four hours ahead of international flights when you travel during peak periods in general.

  • We make it a breeze to book a flight with a stopover. To see your options for tickets from Baltimore/Wash International Thurgood Marshall Airport to Key West International Airport, deselect 'Direct flights only.' Then, pick a flight with a stop long enough to visit your chosen city. Popular stopovers between BWI and EYW include:

    • Hartsfield-Jackson Atlanta International Airport

    • Pittsburgh International Airport

    • Orlando International Airport

How to find the cheapest flights from Baltimore/Wash International Thurgood Marshall Airport (BWI) to Key West International Airport (EYW)

  • At the moment, 82 € is the lowest price we've found for a one-way Baltimore/Wash International Thurgood Marshall Airport to Key West International Airport flight. The best price for a return plane ticket is 170 €. Bear in mind that fares can change due to availability at the time of booking.

  • Don't leave everything to the last moment. You're more likely to find cheap tickets from BWI to EYW if you book in advance. Airlines often offer some great early bird rates.

  • The 'Whole month' search tool shows you the cheapest flights from Baltimore/Wash International Thurgood Marshall Airport to Key West International Airport throughout the month. It's a great way to find a bargain if your plans are flexible.

  • Save time searching for cheap flights from BWI to EYW by creating a Price Alert. You'll get an email or push notification on the app when a special offer becomes available.

  • Tailor your flights with filters. Pick your ideal departure and arrival times, total journey duration and airlines. You can also sort the results by 'Best,' 'Cheapest' or 'Fastest' flights from Baltimore/Wash International Thurgood Marshall Airport to Key West International Airport.

Handy information about Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • Of the departures from Baltimore/Wash International Thurgood Marshall Airport, 77.13% arrive as scheduled at their destination.

  • Baltimore/Wash International Thurgood Marshall Airport is around 48 kilometres from central Washington DC. If you're driving, ride-sharing or catching a cab from the centre, it'll take you 50 minutes or so to get there, depending on the traffic.

  • You can expect a trip time of roughly 1 hour 30 minutes when using public transport.

  • Get your journey off to a relaxed start by staying near BWI. Whether you're taking an early flight from Baltimore/Wash International Thurgood Marshall Airport to Key West International Airport or just don't like being rushed, these stays have you covered:

Arriving at Key West International Airport (EYW)

  • If you're coming in on a late Baltimore/Wash International Thurgood Marshall Airport to Key West International Airport flight, nothing tops the convenience of being close to the terminal. Collect your bags from the carousel and then be showered and sleeping soon after at one of these accommodation options near EYW:

  • Travel at your own speed with a Key West International Airport rental car. Pick up your wheels from Dollar, Alamo or Budget and venture far and wide through Key West and beyond.

  • To get the best deal, reserve your ride from Key West International Airport around two weeks before your trip.

Getting from Key West International Airport (EYW) to central Key West

  • You'll find EYW at 3491 South Roosevelt Boulevard.

  • Key West International Airport is approximately 3 kilometres from central Key West. Driving there takes about 5 minutes.

  • Getting to the centre on public transport will take you around 40 minutes.

When to fly to Key West International Airport (EYW)

  • January is the most popular month for flights from Baltimore/Wash International Thurgood Marshall Airport to Key West International Airport. For smaller crowds, travel to Key West in February.

  • The warmest month in Key West is August, with temperatures ranging between 26ºC (79ºF) and 30ºC (86ºF). Lock in your flights from Baltimore/Wash International Thurgood Marshall Airport to Key West International Airport in this month if this is the type of weather you enjoy.

  • If you want cooler conditions, search for a cheap ticket from BWI to EYW in January. Temperatures average between 18ºC (64ºF) and 23ºC (73ºF) then.

Explore more of United States

  • Key West has plenty going for it, but there are so many other corners of United States waiting to be explored. About 209 kilometres north-east of Key West, a visit to Miami will keep you on the go. Start with leading sights like Wynwood Walls, Vizcaya Museum and Gardens and American Airlines Arena.

  • If you're interested in discovering another side of United States, head for Tampa, roughly 386 kilometres north of Key West. Ybor City Tattoo Company, Tampa Riverwalk and The Florida Aquarium are key highlights.

Plan the rest of your trip from Washington D.C. to Key West

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.