Cheap flights from Jacksonville to Key West from $144
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Jacksonville to Key West departing on 8/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Jacksonville to Key West
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Key West?
In general, August is the cheapest month to fly from Jacksonville to Key West. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $318. If you are unable to visit Key West during the month of August, then departing from Jacksonville during the month September is also very affordable. Most momondo users find prices during this month for around $388.
What is the cheapest day to depart on your flight to Key West?
On average, the least expensive day to fly to Key West from Jacksonville is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $462. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Jacksonville to Key West for around $543.
What is the cheapest time of day to depart on your flight to Key West?
According to our data, the cheapest time of day to fly to Key West is in the morning. momondo users have found flights departing from Jacksonville to Key West in the morning for as low as $499. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Key West are more costly in the afternoon, with an average ticket price of $513. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.
How far in advance should I book a flight to Key West?
You are more likely to see cheaper flights to Key West from Jacksonville when booking weeks ahead of your departure date. In general, you can expect to find flights to Key West for around $478 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Key West from Jacksonville for as low as $331 on momondo.
When to book flights from Jacksonville to Key West
Cheap Jacksonville to Key West (JAX to EYW) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Jacksonville to Key West
How far is Jacksonville to Key West by plane?
The straight-line distance from Jacksonville to Key West is 399.0 mi. By plane, this route typically takes 2h 58m.
When did momondo last update prices for flights from Jacksonville Airport to Key West Airport?
Prices for flights from Jacksonville Airport to Key West Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Jacksonville Airport to Key West Airport?
As of June 2025, there are 2 operators available to choose from for flights from Jacksonville Airport to Key West Airport.
How old do you have to be to fly from Jacksonville Airport to Key West Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Jacksonville Airport to Key West Airport.
What documentation or ID do you need to fly to Key West Airport?
The travel and health documents required for your trip to Key West Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Key West Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Jacksonville to Key West?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Jacksonville to Key West is American Airlines (82% of total bookings). The next most popular airline is Delta (18%).
Best airlines flying from Jacksonville to Key West
Compare and see reviews for airlines that fly from Jacksonville to Key West with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $308 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $353 | Free Cancellation | Rating 8.0 7,973 reviews |
Traveling to a place near Key West?
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Why should I use momondo to find a flight deal from Jacksonville to Key West?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Jacksonville to Key West for you.
Can I find flights from Jacksonville to Key West with flexible booking policies on momondo?
Yes. All flights to Key West from Jacksonville on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Jacksonville to Key West?
Once you have performed a search for Jacksonville to Key West flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Jacksonville to Key West right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Jacksonville to Key West now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Key West and let you know when they change.