Cheap flights from Key West, FL to Portland, ME
Choose between Frontier Airlines, United Airlines, or Silver Airways to find the best price
Make your travel wishlist, we'll do the rest
Hidden deals
Kiwi-Code uncovers prices airlines don't want you to see.
Effortless booking
Use our flexible filters to tailor your search.
Travel hacking
Look out for the travel hack star icon for even cheaper fares.
Tips to know when travelling to Portland
Cheapest nonstop round-trip | £261 |
---|---|
Most popular airline | Frontier Airlines |
Sorry, we couldn't find any results
Sorry, we couldn't find any results
Looking for a different city?
Receive exclusive deals by email
By subscribing you agree to receive offers according to the conditions described in our Privacy Policy.
The most popular airlines for this route are Frontier Airlines, United Airlines, Silver Airways, Spirit Airlines, and Allegiant Air. Key West and Portland have 77 direct flights per week.
Check-in for a flight from Key West to Portland
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
United Airlines | UAL | UA | Yes | No |
Silver Airways | SIL | 3M | No | Opens 24 days before flight Closes 2 hours before flight |
Spirit Airlines | NKS | NK | No | Opens 24 days before flight Closes 1 hours before flight |
Allegiant Air | AAY | G4 | No | Opens 24 days before flight Closes 1 hours before flight |
Weather in Portland
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 0°C | -6°C |
February | 0°C | -6°C |
March | 4°C | -2°C |
April | 10°C | 3°C |
May | 15°C | 8°C |
June | 20°C | 13°C |
July | 24°C | 17°C |
August | 24°C | 16°C |
September | 20°C | 13°C |
October | 14°C | 8°C |
November | 8°C | 2°C |
December | 3°C | -2°C |
14 day forecast
Frequently asked questions
Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.
Explore alternative trips
Flights from Key West
- Flights from Key West to London
- Flights from Key West to Orlando
- Flights from Key West to Hamilton
- Flights from Key West to New Orleans
- Flights from Key West to San Juan
- Flights from Key West to Las Vegas
- Flights from Key West to Glasgow
- Flights from Key West to Nashville
- Flights from Key West to Denver
- Flights from Key West to Manchester
- Flights from Key West to New York
- Flights from Key West to Chicago
- Flights from Key West to Miami
- Flights from Key West to Los Angeles
- Flights from Key West to Atlanta
- Flights from Key West to Mexico City
- Flights from Key West to Bogotá
- Flights from Key West to Dallas
- Flights from Key West to Phoenix
- Flights from Key West to Philadelphia
Flights to Portland
- Flights from London to Portland
- Flights from Cluj-Napoca to Portland
- Flights from Taipei to Portland
- Flights from Tampa to Portland
- Flights from Manila to Portland
- Flights from Orlando to Portland
- Flights from Kingston to Portland
- Flights from Washington, D.C. to Portland
- Flights from Atlanta to Portland
- Flights from Austin to Portland
- Flights from Frankfurt to Portland
- Flights from New York to Portland
- Flights from Phoenix to Portland
- Flights from Las Vegas to Portland
- Flights from Denver to Portland
- Flights from Chicago to Portland
- Flights from Miami to Portland
- Flights from Los Angeles to Portland
- Flights from Mexico City to Portland
- Flights from Bogotá to Portland
Popular routes
- Flights from Singapore to Jakarta
- Flights from Fuerteventura to Lima
- Flights from Colombo to Lexington
- Flights from Knoxville to Greensboro
- Flights from Greensboro to Knoxville
- Flights from Lower Prince's Quarter to Mombasa
- Flights from Peshawar to Chiang Mai
- Flights from Rapid City to Pittsburgh
- Flights from Madrid to Quepos
- Flights from Bilbao to Santa Marta
- Flights from London to Athens
- Flights from Oakland to Peoria
Airports near Key West
- Miami International
- Fort Lauderdale–Hollywood International
- Southwest Florida International
- Key West International