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Cheap flights from Washington to Key West

24 nonstop flights a week, 2 of them today. Operated by 2 airlines, about 3h 16m in the air, 1,029 mi (1,656 km). Tickets from $100, nonstop from $300.

Flights from Washington to Key West

Pick a departure date to see flights and seller prices

We search agencies and airlines for your day: nonstop and connecting flights, baggage, departure and arrival times.

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Best fares from Washington to Key West

Lowest one-way prices found by recent searches for the next 120 days; press a card to search that date

Cheapest one-way $100 15 December 2026, with a connection Cheapest nonstop $300 15 December 2026, American Airlines Cheapest month December 2026 tickets from $100

Washington to Key West at a glance

flight time, from 3h 4m to 3h 25m
3h 16m
straight-line distance
1,029 mi (1,656 km)
flights a week
24
flights today
2
first and last departure
08:50 - 15:18
lowest price, with a connection, 15 December
$100
lowest nonstop price
$300
airlines
2

Washington to Key West flight schedule

24 flights a week, 2 today, 28 seasonal or one-off. Departure and arrival times are local.

FlightDepartsArrivesDurationDaysAircraft
AA 4411
American Airlines
08:50 Ronald Reagan National, terminal 2
12:06 Key West International
3h 16m
Sat
Embraer EMB 175
AA 4597
American Airlines
08:50 Ronald Reagan National, terminal 2
12:10 Key West International
3h 20m
Sat
Embraer EMB 175
AA 4597
American Airlines
09:06 Ronald Reagan National, terminal 2
12:26 Key West International
3h 20m
Mon, Thu, Fri, Sun
Embraer EMB 175
AA 4411
American Airlines
09:13 Ronald Reagan National, terminal 2
12:29 Key West International
3h 16m
Mon, Tue, Wed, Thu, Fri, Sun
Embraer EMB 175
AA 3392
American Airlines
13:31 Ronald Reagan National, terminal 2
16:41 Key West International
3h 10m
Sat
Embraer EMB 175
AA 3771
American Airlines
13:44 Ronald Reagan National, terminal 2
16:58 Key West International
3h 14m
Sat
Embraer EMB 175
AA 3392
American Airlines
15:15 Ronald Reagan National, terminal 2
18:25 Key West International
3h 10m
Mon, Tue, Wed, Thu, Fri, Sun
Embraer EMB 175
AA 3771
American Airlines
15:18 Ronald Reagan National, terminal 2
18:32 Key West International
3h 14m
Mon, Thu, Fri, Sun
Embraer EMB 175

Seasonal and one-off flights

Not operating in the next two weeks. The first of them is on 28 November.

FlightDepartsArrivesDurationDaysAircraft
AA 4597
American Airlines
08:08 Ronald Reagan National, terminal 2
11:28 Key West International
3h 20m
Seasonal
Embraer EMB 175
AA 4597
American Airlines
09:13 Ronald Reagan National, terminal 2
12:33 Key West International
3h 20m
Seasonal
Embraer EMB 175
AA 3771
American Airlines
15:15 Ronald Reagan National, terminal 2
18:27 Key West International
3h 12m
Seasonal
Embraer EMB 175
AA 4597
American Airlines
09:00 Ronald Reagan National, terminal 2
12:20 Key West International
3h 20m
Seasonal
Embraer EMB 175
AA 3771
American Airlines
13:31 Ronald Reagan National, terminal 2
16:43 Key West International
3h 12m
Seasonal
Embraer EMB 175
UA 715
United Airlines
09:00 Washington Dulles International
12:07 Key West International
3h 7m
Seasonal
Boeing 737-700
AA 4597
American Airlines
09:10 Ronald Reagan National, terminal 2
12:29 Key West International
3h 19m
Seasonal
Embraer EMB 175
AA 3771
American Airlines
14:40 Ronald Reagan National, terminal 2
17:56 Key West International
3h 16m
Seasonal
Embraer EMB 175
AA 3771
American Airlines
13:59 Ronald Reagan National, terminal 2
17:15 Key West International
3h 16m
Seasonal
Embraer EMB 175
AA 4597
American Airlines
09:04 Ronald Reagan National, terminal 2
12:23 Key West International
3h 19m
Seasonal
Embraer EMB 175
AA 4597
American Airlines
09:28 Ronald Reagan National, terminal 2
12:47 Key West International
3h 19m
Seasonal
Embraer EMB 175
AA 3771
American Airlines
11:40 Ronald Reagan National, terminal 2
14:56 Key West International
3h 16m
Seasonal
Embraer EMB 175
AA 3771
American Airlines
11:36 Ronald Reagan National, terminal 2
14:52 Key West International
3h 16m
Seasonal
Embraer EMB 175
AA 4597
American Airlines
09:15 Ronald Reagan National, terminal 2
12:34 Key West International
3h 19m
Seasonal
Embraer EMB 175
AA 4589
American Airlines
14:21 Ronald Reagan National, terminal 2
17:37 Key West International
3h 16m
Seasonal
Embraer EMB 175
AA 4589
American Airlines
14:19 Ronald Reagan National, terminal 2
17:35 Key West International
3h 16m
Seasonal
Embraer EMB 175
AA 4597
American Airlines
08:10 Ronald Reagan National, terminal 2
11:29 Key West International
3h 19m
Seasonal
Embraer EMB 175
AA 3771
American Airlines
14:22 Ronald Reagan National, terminal 2
17:38 Key West International
3h 16m
Seasonal
Embraer EMB 175
AA 4597
American Airlines
09:19 Ronald Reagan National, terminal 2
12:38 Key West International
3h 19m
Seasonal
Embraer EMB 175
AA 3771
American Airlines
14:39 Ronald Reagan National, terminal 2
17:55 Key West International
3h 16m
Seasonal
Embraer EMB 175
AA 4720
American Airlines
09:00 Ronald Reagan National, terminal 2
12:25 Key West International
3h 25m
Seasonal
Embraer EMB 175
AA 2570
American Airlines
14:53 Ronald Reagan National, terminal 2
18:08 Key West International
3h 15m
Seasonal
Airbus A319
AA 2570
American Airlines
12:54 Ronald Reagan National, terminal 2
16:09 Key West International
3h 15m
Seasonal
Airbus A319
AA 4756
American Airlines
09:02 Ronald Reagan National, terminal 2
12:26 Key West International
3h 24m
Seasonal
Embraer EMB 175
UA 3636
United Airlines
13:00 Washington Dulles International
16:22 Key West International
3h 22m
Seasonal
Embraer 175
AA 3025
American Airlines
08:20 Ronald Reagan National, terminal 2
11:24 Key West International
3h 4m
Seasonal
Airbus A319
AA 4117
American Airlines
12:13 Ronald Reagan National, terminal 2
15:23 Key West International
3h 10m
Seasonal
Embraer EMB 175
AA 4416
American Airlines
08:20 Ronald Reagan National, terminal 2
11:40 Key West International
3h 20m
Seasonal
Embraer EMB 175

Days of the week are taken from the schedule for the next 14 days; schedules change by season. The search shows seat availability and the price for your date.

Airlines flying Washington to Key West

Flights a week by schedule and the cheapest nonstop fare of each airline found by recent searches

American Airlines24 a week United Airlinesfrom 17 December
  • American Airlines: 11 flights, first departure at 08:50, last at 15:18, tickets from $300 on 15 December MTWTFSS American Airlines Washington to Key West
  • United Airlines: 2 flights, first departure at 09:00, last at 13:00 MTWTFSS

Airports

Where flights from Washington to Key West depart and land

Departure from Washington

Ronald Reagan National closest to the centreDCA

24 flights a week, terminal 2, 3 mi (5 km) from the city centre

About the airport
Washington Dulles International IAD

22 mi (36 km) from the city centre

About the airport

Arrival in Key West

Key West International EYW

24 flights a week, 2 mi (3 km) from the city centre

About the airport

Frequently asked questions

How long is the flight from Washington to Key West?
A nonstop flight takes 3 hours 16 minutes on average, from 3h 4m to 3h 25m depending on the flight.
How far is Key West from Washington?
1,029 mi (1,656 km) in a straight line between the cities.
Which airlines fly nonstop from Washington to Key West?
American Airlines (24 a week) and United Airlines.
How many flights a day are there from Washington to Key West?
2 flights today and 24 a week, about 3.4 a day on average.
When are the first and last flights from Washington to Key West?
The first departure is at 08:50 (AA4411), the last at 15:18 (AA3771). Local time.
What is the cheapest upcoming date to fly from Washington to Key West?
15 December 2026 (Tuesday): from $100 one way, with a connection, by recent searches. The search shows the price for your dates.
Which airline is the cheapest from Washington to Key West?
American Airlines: nonstop tickets from $300 on 15 December by recent searches. Prices change daily, so compare the sellers in the search.
Which Washington airport do flights to Key West leave from?
Ronald Reagan National (24 a week) and Washington Dulles International.