Cheap flights from Portland to Key West from $258
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 to Key West departing on 7/29. 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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Delta flights from Portland to Key West
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American Airlines flights from Portland to Key West
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How to get the cheapest flight ticket from Portland 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 typical price of a round-trip flight between Portland and Key West?
What is the cheapest month to fly to Key West?
In general, August is the cheapest month to fly from Portland to Key West. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $341. If you are unable to visit Key West during the month of August, then departing from Portland during the month September is also very affordable. Most momondo users find prices during this month for around $383.
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 is on a Monday. momondo users have found tickets for Monday departures for as low as $463. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Portland to Key West for around $611.
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 evening. momondo users have found flights departing from Portland to Key West in the evening for as low as $518. 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 $559. Departure times in the morning 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 when booking weeks ahead of your departure date. In general, you can expect to find flights to Key West for around $540 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Key West from Portland for as low as $392 on momondo.
What is the cheapest airline that flies from Portland to Key West?
Delta, United Airlines, and American Airlines are the most popular carriers operating from Portland to Key West
What airlines fly to Key West?
American Airlines, Delta and United Airlines are the top three most popular airlines that fly to Key West from Portland according to our data. American Airlines is the first choice among our users, with 78% of people opting to fly with this airline when traveling to Key West. Keep in mind that there are 3 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 to Key West
Cheap Portland to Key West (PDX to EYW) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Portland to Key West
How far is Portland to Key West by plane?
There are 2685.0 mi between Portland and Key West. Flights usually cover this in 7h 42m, depending on flying conditions and air traffic around both airports.
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 refreshed on a daily basis.
How many operators does momondo search for flights from Portland Airport to Key West Airport?
The number of operators available for flights from Portland Airport to Key West Airport is 3 as of July 2025.
How old do you have to be to fly from Portland Airport to Key West Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for 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 to Key West?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Portland to Key West is American Airlines (78% of total bookings). The next most popular airlines are Delta (17%) and United Airlines (5%).
Best airlines flying from Portland to Key West
Compare and see reviews for airlines that fly from Portland to Key West with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $261 | Free Cancellation | Rating 8.0 7,982 reviews | |||
| PriceFrom $274 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $317 | Free Cancellation | Rating 7.4 8,861 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 Portland 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 Portland to Key West for you.
Can I find flights from Portland to Key West with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Key West from Portland with this policy.
How can momondo help me find flights from Portland to Key West?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Portland to Key West.
I’m not ready to book a flight from Portland to Key West right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Key West from Portland. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.