Pittsburgh to Key West flights

Routavio compares airline fares from several flight booking sites. The lowest one-way fare it found for Pittsburgh to Key West is €50 with Allegiant Air (checked on 18 Oct 2026).

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Lowest observed

€50

Average observed

€159

Cheapest month

January 2027

Last checked

25 Oct 2026

Observed fares. Prices may change.

Your next trip, last seen at €50

Lowest observed

11 Jan 2027

Allegiant Air · Non-stop · One way

Cheapest observed day · Last checked: 18 Oct 2026

Departure

09:00

When to fly

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The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.

One-way fare

One-way fare · No data: click and we will search

Lowest observed: €50, departing 11 Jan 2027 (Last checked: 18 Oct 2026)One-way fareCheck live prices for this route
Airlines seen: Allegiant Air, Breeze Airways, Frontier Airlines, JetBlue, Southern Airways Express
Typical journey time: 18h 51m

Short answer

Routavio has seen Allegiant Air fares from Pittsburgh to Key West. The lowest fare Routavio's own searches returned is €50, seen on 18 Oct 2026. The average across the fares we caught is €159. January 2027 is the cheapest month in our observations, at €50. These are prices Routavio's searches returned on the dates shown, not quotes; run a live search for today's fare.

About this route

Explore the fares we observed from Pittsburgh to Key West. Prices move often, so pick your dates to see the latest options.

Route distance: 1,774 km
Typical journey time: 18h 51m
Seen on fares with a connection: Allegiant Air, Breeze Airways, Frontier Airlines, Southern Airways Express, JetBlue
Alternative airports: AGC

Route-level information; individual journeys vary.
We have not observed non-stop service on this route; the fares shown include at least one stop.

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Observed, not guaranteed

Every price is a fare we actually saw, and it may change at any time.

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The price is final on the provider's site, where your booking is completed.

How our prices work

Non-stop airlines seen on this route

Non-stop airlines seen on this route
Airline	Non-stop days / priced days	Fastest non-stop
Allegiant Air	21 / 82

Departure days with a non-stop fare checked in the last 14 days. A carrier listed here had a non-stop fare on at least 3 days; schedules may differ.

Airport to city: straight-line distance

Pittsburgh International Airport (PIT) → Pittsburgh, city gazetteer reference point (40.4406, -79.9959): ≈ 21 km.
Key West International Airport (EYW) → Key West, city gazetteer reference point (24.5557, -81.7826): ≈ 2 km.

Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.

Lowest one-way fare we saw per airline

Cheapest airline from Pittsburgh to Key West: Allegiant Air, from €50 (checked 18 Oct 2026).

Lowest one-way fare we saw per airline
Airline	Lowest fare	Priced days
Allegiant Air	€50Jan 11, 2027	36
Breeze Airways	€82Dec 15, 2026	22
Southern Airways Express	€149Oct 31, 2026	5
Frontier Airlines	€153Oct 29, 2026	16
JetBlue	€241Dec 2, 2026	3

One-way fares checked in the last 14 days. An airline listed here had a fare on at least 3 departure days. Each figure is the lowest we saw, not a guaranteed fare. Connecting itineraries are included; the date is the departure day of that fare.

Frequently asked

How much is a flight from Pittsburgh to Key West?

The lowest fare Routavio has observed is €50, found on 18 Oct 2026. Prices move, so read it as a floor rather than a quote.

When is the cheapest month to fly from Pittsburgh to Key West?

In our observations January 2027 is the cheapest month so far, at €50.

Are there direct flights from Pittsburgh to Key West?

Our data holds no non-stop flight from Pittsburgh to Key West. The fares on this page include at least one stop.

Which airlines fly from Pittsburgh to Key West?

Routavio has seen these carriers on the route: Allegiant Air, Breeze Airways, Frontier Airlines, JetBlue, Southern Airways Express.

How long does the flight from Pittsburgh to Key West take?

Across the 86 fares Routavio observed, the average journey time is 17h 56m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.

Which airlines had non-stop offers on at least 3 departure dates from Pittsburgh to Key West?

For Pittsburgh to Key West, examples of observed one-way non-stop offers checked within the last 14 days: Allegiant Air (21). Each number counts distinct departure dates, not weekly flights; check current availability in search.

Which airline has the lowest fare from Pittsburgh to Key West?

Cheapest airline from Pittsburgh to Key West: Allegiant Air, from €50 (checked 18 Oct 2026).

How observed prices work, what "No data" means and what a fare includes: Read the flight price guide