Cheap flights from Key West, FL to Harlingen, TX
Choose between Sun Country Airlines, Silver Airways, or Spirit Airlines 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 Harlingen
Most popular airline | Sun Country Airlines |
---|
Sorry, we couldn't find any results
Sorry, we couldn't find any results
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 Sun Country Airlines, Silver Airways, Spirit Airlines, Allegiant Air, and Frontier Airlines. Key West and Harlingen have 14 direct flights per week.
Check-in for a flight from Key West to Harlingen
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
Sun Country Airlines | SCX | SY | 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 |
Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
Weather in Harlingen
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 21°C | 13°C |
February | 22°C | 15°C |
March | 26°C | 17°C |
April | 28°C | 20°C |
May | 31°C | 23°C |
June | 33°C | 25°C |
July | 34°C | 25°C |
August | 34°C | 26°C |
September | 32°C | 25°C |
October | 29°C | 22°C |
November | 25°C | 17°C |
December | 22°C | 15°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 Harlingen
- Flights from Manchester to Harlingen
- Flights from London to Harlingen
- Flights from Dublin to Harlingen
- Flights from Málaga to Harlingen
- Flights from Fort Lauderdale to Harlingen
- Flights from New York to Harlingen
- Flights from Orlando to Harlingen
- Flights from Las Vegas to Harlingen
- Flights from Denver to Harlingen
- Flights from Chicago to Harlingen
- Flights from Miami to Harlingen
- Flights from Los Angeles to Harlingen
- Flights from Atlanta to Harlingen
- Flights from Mexico City to Harlingen
- Flights from Bogotá to Harlingen
- Flights from Dallas to Harlingen
- Flights from Phoenix to Harlingen
- Flights from Philadelphia to Harlingen
- Flights from San Francisco to Harlingen
- Flights from Cancún to Harlingen
Popular routes
- Flights from London to Bucharest
- Flights from London to Barcelona
- Flights from Zürich to Kozhikode
- Flights from Niagara Falls to Cleveland
- Flights from Austin to Fernando de Noronha
- Flights from Mangalore to Cochabamba
- Flights from Tapachula to Bratislava
- Flights from Toluca to Johannesburg
- Flights from Reno to Redmond
- Flights from Kapalua to Tulsa
- Flights from Bonaire to Baghdad
- Flights from Puebla to Kabul
- Flights from Banjul to Nassau
Airports near Key West
- Miami International
- Fort Lauderdale–Hollywood International
- Southwest Florida International
- Key West International