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C$142 Cheap Flights from Baltimore Washington International (BWI) to Key West International (EYW)

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 C$365. Find the lowest prices on one-way and return tickets right here.
Key West.C$142 per passenger.Departing Tue., Sep. 15.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Tue., Sep. 15, arriving in Key West International.Price includes taxes and charges.From C$142, select.
Key West.C$143 per passenger.Departing Tue., Aug. 18.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Tue., Aug. 18, arriving in Key West International.Price includes taxes and charges.From C$143, select.
Key West.C$145 per passenger.Departing Sat., Jul. 4.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Sat., Jul. 4, arriving in Key West International.Price includes taxes and charges.From C$145, select.
Key West.C$196 per passenger.Departing Sun., Jun. 28.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Sun., Jun. 28, arriving in Key West International.Price includes taxes and charges.From C$196, select.
Key West.C$212 per passenger.Departing Fri., May 29.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Fri., May 29, arriving in Key West International.Price includes taxes and charges.From C$212, select.
Key West.C$216 per passenger.Departing Thu., Nov. 5.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Thu., Nov. 5, arriving in Key West International.Price includes taxes and charges.From C$216, select.
Key West.C$297 per passenger.Departing Thu., Oct. 1.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Thu., Oct. 1, arriving in Key West International.Price includes taxes and charges.From C$297, select.
Key West.C$418 per passenger.Departing Mon., Dec. 14.One-way flight with United.Outbound indirect flight with United, departs from Baltimore Washington International on Mon., Dec. 14, arriving in Key West International.Price includes taxes and charges.From C$418, select.

Find the cheapest month to fly from Baltimore Washington International to Key West International from C$142 one-way

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 September.
May
from C$212
Jun.
from C$197
Jul.
from C$145
Aug.
from C$143
Sep.
from C$142
Oct.
from C$297
Nov.
from C$217
Dec.
from C$418
Jan.
Find prices
Feb.
Find prices
Mar.
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Apr.
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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 C$142
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Washington D.C. to Key West: Flight information

The things to know before you go.
Cheapest flight foundC$142
Cheapest month to flySeptember

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 C$366. 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 C$365.
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 June.
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, June 20, 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.

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

  • Longer lines at check-in and security are likely if you're heading away during high season, so give yourself some extra breathing room. A good general rule for peak periods? Arrive up to four hours early for international flights and at least two hours for domestic departures.

  • If you want to have a stopover for your flight from Baltimore/Wash International Thurgood Marshall Airport to Key West International Airport, simply uncheck 'Direct flights only' and look through your options. Here are the top stopovers between BWI and EYW:

    • Hartsfield-Jackson Atlanta International Airport

    • Orlando International Airport

    • Pittsburgh International Airport

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

  • The lowest price we've seen for a one-way ticket from Baltimore/Wash International Thurgood Marshall Airport to Key West International Airport is C$142. For a return flight on this route, the best price is C$366. Depending on the availability and when you book, these fares may change.

  • Don't wait until the last moment. You're more likely to get cheap flight tickets from BWI to EYW if you book early. Airlines often have some fantastic early bird deals.

  • Getting cheap flight tickets from Baltimore/Wash International Thurgood Marshall Airport to Key West International Airport is easy if you're flexible with your travel dates. Try using the 'Whole month' tool to see the best prices across every month and land a great deal.

  • Set up a Price Alert for cheap flight tickets from BWI to EYW. There's no need to search every day to see whether airfares have fallen. We'll tell you as soon as the price changes.

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

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

Arriving at Key West International Airport (EYW)

  • If you're on a late flight from Baltimore/Wash International Thurgood Marshall Airport to Key West International Airport, nothing beats the convenience of staying near the terminal. Collect your bags from the carousel and then be showered and resting not long after at one of these options near EYW:

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

  • Key West International Airport to the center of Key West takes about 6 minutes by car. It's approximately 3 kilometres away. Find out what options are available, such as cabs, car rentals or ride-sharing services.

  • If you're taking public transport, expect a journey of around 40 minutes.

When to fly to Key West International Airport (EYW)

  • July is the busiest month for flights from Baltimore/Wash International Thurgood Marshall Airport to Key West International Airport. To avoid the crowds, visit Key West in February.

  • When booking your flight from Baltimore/Wash International Thurgood Marshall Airport to Key West International Airport, think about the kind of weather you enjoy. August is the warmest month in Key West, with temperatures ranging from 26ºC to 30ºC.

  • If you like traveling in cooler conditions, search for a cheap ticket from BWI to EYW in January. Temperatures average between 18ºC and 23ºC then.

More about Key West

  • Start your Key West trip right by finding a fantastic stay. As soon as you've booked your flight from BWI to EYW, browse our accommodation options including:

  • There are so many things to do and see in this city it can be hard to figure out where to begin. Mallory Square, The Ernest Hemingway Home and Museum and Fort Zachary Taylor Historic State Park are top attractions which should be on every Key West itinerary.

Complete your Key West trip with hotels and a car rental

  • Comparing flights is not our only party trick. After booking your cheap ticket to Key West International Airport, check out our great car rental deals that'll give you the flexibility and freedom to see the sights at your own pace. Next, take a look at our exclusive rates for hotels to find your ideal Key West stay.

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.