Cheap flights from Montana to Key West from $451
This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Montana to Key West departing on 7/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Montana to Key West
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
American Airlines flights from Montana to Key West
Our best American Airlines deals on Montana to Key West flight tickets
United Airlines flights from Montana to Key West
Our best United Airlines deals on Montana to Key West flight tickets
See travel insights to Key West from
How to get the cheapest flight ticket from Montana 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 day to depart on your flight to Key West?
On average, the least expensive day to fly to Key West from Montana is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $715. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Montana to Key West for around $908.
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 at noon. momondo users have found flights departing from Montana to Key West at noon for as low as $683. 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 morning, with an average ticket price of $828. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.
Cheap Montana to Key West flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Montana to Key West
When did momondo last update prices for flights from Montana to Key West Airport?
Prices for flights from Montana to Key West Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Montana to Key West Airport?
As of May 2025, there are 2 operators available to choose from for flights from Montana to Key West Airport.
How old do you have to be to fly from Montana 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 Montana 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.
Best airlines flying from Montana to Key West
Compare and see reviews for airlines that fly from Montana to Key West with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $338 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $526 | Free Cancellation | Rating 8.0 7,934 reviews | |||
| PriceFrom $541 | Free Cancellation | Rating 7.4 8,696 reviews |
Traveling to a place near Key West?
Book flights to Key West if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Montana to Key West?
Finding the right flight to Key West from Montana is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Key West quick and easy, saving you time and money.
Can I find flights from Montana to Key West with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Key West from Montana with this policy.
How can momondo help me find flights from Montana to Key West?
momondo provides multiple filters to help you find the best flight to Key West from Montana. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Montana to Key West right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Montana to Key West flights. All you need is a valid email address and we will do the rest; it is that quick and easy.