Cheap flights from Portland, Maine to Key West from $179
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland, Maine to Key West departing on 7/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Deals available from 900+ travel sites.
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 Portland, Maine to Key West
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
American Airlines flights from Portland, Maine to Key West
Our best American Airlines deals on Portland, Maine to Key West flight tickets
Delta flights from Portland, Maine to Key West
Our best Delta deals on Portland, Maine to Key West flight tickets
See travel insights to Key West from
How to get the cheapest flight ticket from Portland, Maine 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 Portland, Maine to Key West. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $246. If you are unable to visit Key West during the month of August, then departing from Portland, Maine during the month October is also very affordable. Most momondo users find prices during this month for around $357.
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 Portland, Maine is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $392. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Portland, Maine to Key West for around $500.
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 Portland, Maine to Key West in the morning for as low as $447. 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 at noon, with an average ticket price of $510. Departure times at noon 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 Portland, Maine when booking 17 weeks ahead of your departure date. In general, you can expect to find flights to Key West for around $422 when searching 17 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Key West from Portland, Maine for as low as $341 on momondo.
What is the cheapest airline that flies from Portland to Key West?
Delta, American Airlines, and United Airlines are the most popular carriers operating from Portland to Key West
What airlines fly to Key West?
American Airlines, JetBlue and Delta are the top three most popular airlines that fly to Key West from Portland, Maine according to our data. American Airlines is the first choice among our users, with 57% of people opting to fly with this airline when traveling to Key West. Keep in mind that there are 4 different airlines that fly to Key West on a routine basis, so you have a few additional options to choose from.
When to book flights from Portland, Maine to Key West
Cheap Portland, Maine to Key West (PWM to EYW) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Portland, Maine to Key West
How far is Portland to Key West by plane?
A flight from Portland to Key West will travel around 1471.7 mi. Typically, this will take 5h 38m by plane in normal conditions.
When did momondo last update prices for flights from Portland Airport to Key West Airport?
Prices for flights from Portland Airport to Key West Airport are updated daily.
How many operators does momondo search for flights from Portland Airport to Key West Airport?
As of March 2025, there are 3 operators available to choose from for flights from Portland Airport to Key West Airport.
How old do you have to be to fly from Portland 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 Portland Airport to Key West Airport.
What documentation or ID do you need to fly to Key West Airport?
The travel and health documents you'll need for your trip to Key West Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Key West Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Portland, Maine to Key West?
Based on momondo bookings for flights between Portland, Maine and Key West, the leading airline is American Airlines, making up 72% of the total bookings. Other popular airlines include Delta with 19% and United Airlines with 9%.
Best airlines flying from Portland, Maine to Key West
Compare and see reviews for airlines that fly from Portland, Maine to Key West with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $246 | Free Cancellation | Rating 8.0 7,966 reviews | |||
| PriceFrom $268 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $345 | Free Cancellation | Rating 7.4 8,627 reviews |
United Airlines Flights From Portland, Maine to Key West
The lowest priced United Airlines flight from Portland, Maine to Key West from the last 72 hours was $345. Generally, United Airlines has 5 flights on this route every week with an average price of $578. United Airlines is rated 7.4/10 by our users.
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 Portland to Key West?
Finding the right flight to Key West from Portland 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 Portland to Key West with flexible booking policies on momondo?
momondo does allow users to show only those flights to Key West from Portland which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Portland to Key West?
Once you have performed a search for Portland 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 Portland to Key West right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Key West, momondo offers a useful price alert feature which will track prices for flights to Key West from Portland and alert you when they change.