Washington, DC to Key West: what the flight costs
In the last 60 days we checked this route 14 times. The typical return was £321 per person and the lowest £255, taxes and fees included.
| Per person | |
|---|---|
| Lowest seen | £255 |
| Typical (median) | £321 |
| Price checks, 60 days | 14 |
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Trips we picked on this route
Just found · from Washington, DCWorth it, if
Key West
14 – 21 Nov 2026 · 7 nights
- Highs of 78–79°F and lows near 75°F for mid-November
- Hilton balcony room, partial ocean view, rated 8.6 from 1,084 reviews
- $339 per person, $66 below the highest fare we saw
£2,298 for two · 7 nights · flights, hotel, taxes, fees & the resort fee
Flights £511 + hotel £1,608 + resort fee £179, taxes in · a checked bag each adds about £136
B6 + MX · with a stop · 41h 39m
The catch: The $339 fare has 2 stops and takes 41h 39m on the way out; the 3h 10m American nonstop is $738 for two.
Worth it if you can give up a day to get there or pay $738 for two for the nonstop; skip the low fare if time matters most.
Every fare we found in the last 30 days
| Checked | Trip dates | Per person | Airline | Stops | Duration | Source |
|---|---|---|---|---|---|---|
| 27 Oct 2026 | 6 – 8 Nov 2026 | £352 | B6 + MX + G4 + F9 | with a stop | 27h 24m | Kiwi.com |
| 26 Oct 2026 | 6 – 8 Nov 2026 | £355 | F9 + G4 | with a stop | 20h 4m | Kiwi.com |
| 26 Oct 2026 | 6 – 8 Nov 2026 | £364 | F9 + G4 | with a stop | 20h 4m | Kiwi.com |
| 25 Oct 2026 | 6 – 8 Nov 2026 | £361 | F9 + G4 | with a stop | 20h 4m | Kiwi.com |
| 24 Oct 2026 | 6 – 8 Nov 2026 | £359 | F9 + G4 | with a stop | 20h 4m | Kiwi.com |
| 24 Oct 2026 | 6 – 8 Nov 2026 | £343 | F9 + G4 | with a stop | 20h 4m | Kiwi.com |
| 23 Oct 2026 | 6 – 8 Nov 2026 | £323 | F9 + G4 | with a stop | 20h 4m | Kiwi.com |
| 23 Oct 2026 | 6 – 8 Nov 2026 | £320 | F9 + G4 | with a stop | 20h 4m | Kiwi.com |
| 22 Oct 2026 | 6 – 8 Nov 2026 | £316 | F9 + G4 | with a stop | 20h 4m | Kiwi.com |
| 22 Oct 2026 | 6 – 8 Nov 2026 | £315 | F9 + MX + G4 | with a stop | 20h 24m | Kiwi.com |
| 17 Oct 2026 | 14 – 21 Nov 2026 | £278 | American. Operated by Envoy Air as American Eagle | nonstop | 3h 10m | Google Flights |
| 17 Oct 2026 | 14 – 21 Nov 2026 | £256 | B6 + MX | with a stop | 41h 39m | Kiwi.com |
| 17 Oct 2026 | 14 – 21 Nov 2026 | £255 | B6 + MX + G4 + F9 | with a stop | 17h 30m | Kiwi.com |
| 16 Oct 2026 | 11 – 14 Dec 2026 | £306 | F9 + MX + B6 | with a stop | 20h 24m | Kiwi.com |
About Key West
Key West is the end of the road, a small island of pastel conch houses, sunset celebrations and reef snorkelling at the tip of the Florida Keys.
Key West from every city: when to go, where to stay, what to do
Questions about Washington, DC to Key West
What does a return from Washington, DC to Key West usually cost?
Over the last 60 days the typical price we found was £321 per person, taxes and fees included, across 14 checks; the lowest was £255.
When is the best time to fly from Washington, DC to Key West?
Key West is at its best in January, February, March, April, May, November and December. Avoid August, September, October: Peak hurricane season; many visitors wait until November
Do I need a passport to fly from Washington, DC to Key West?
No passport needed for travellers from the United States: a government photo ID is enough for Key West.
Prices converted from US dollars at the rate of 13 Nov 2026.