Cheap flights from Philadelphia, PA to Idaho Falls, ID
Choose between Frontier Airlines, Allegiant Air, 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 Idaho Falls
Cheapest nonstop round-trip | £354 |
---|---|
Most popular airline | Frontier 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 Frontier Airlines, Allegiant Air, Spirit Airlines, Alaska Airlines, and Sun Country Airlines. Philadelphia and Idaho Falls have 99 direct flights per week. When you arrive at Idaho Falls, consider visiting Yellowstone National Park, and The Rocky Mountains.
Check-in for a flight from Philadelphia to Idaho Falls
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 |
Allegiant Air | AAY | G4 | No | Opens 24 days before flight Closes 1 hours before flight |
Spirit Airlines | NKS | NK | No | Opens 24 days before flight Closes 1 hours before flight |
Alaska Airlines | ASA | AS | No | Opens 24 days before flight Closes 1 hours before flight |
Sun Country Airlines | SCX | SY | Yes | No |
Weather in Idaho Falls
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | -1°C | -10°C |
February | 0°C | -8°C |
March | 6°C | -3°C |
April | 12°C | 0°C |
May | 18°C | 4°C |
June | 24°C | 9°C |
July | 31°C | 13°C |
August | 29°C | 13°C |
September | 24°C | 9°C |
October | 14°C | 2°C |
November | 5°C | -3°C |
December | -1°C | -9°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 Philadelphia
- Flights from Philadelphia to London
- Flights from Philadelphia to Manchester
- Flights from Philadelphia to San Juan
- Flights from Philadelphia to Las Vegas
- Flights from Philadelphia to Dublin
- Flights from Philadelphia to Orlando
- Flights from Philadelphia to Atlanta
- Flights from Philadelphia to Dallas
- Flights from Philadelphia to Denver
- Flights from Philadelphia to New Orleans
- Flights from Philadelphia to New York
- Flights from Philadelphia to Fort Lauderdale
- Flights from Philadelphia to Miami
- Flights from Philadelphia to Charlotte
- Flights from Philadelphia to Tampa
- Flights from Philadelphia to Detroit
- Flights from Philadelphia to Seattle
- Flights from Philadelphia to San Francisco
- Flights from Philadelphia to Boston
- Flights from Philadelphia to Austin
Flights to Idaho Falls
- Flights from Los Angeles to Idaho Falls
- Flights from Amsterdam to Idaho Falls
- Flights from Thunder Bay to Idaho Falls
- Flights from New York to Idaho Falls
- Flights from Orlando to Idaho Falls
- Flights from Las Vegas to Idaho Falls
- Flights from Denver to Idaho Falls
- Flights from Chicago to Idaho Falls
- Flights from Miami to Idaho Falls
- Flights from Atlanta to Idaho Falls
- Flights from Mexico City to Idaho Falls
- Flights from Bogotá to Idaho Falls
- Flights from Dallas to Idaho Falls
- Flights from Phoenix to Idaho Falls
- Flights from San Francisco to Idaho Falls
- Flights from Cancún to Idaho Falls
- Flights from Houston to Idaho Falls
- Flights from San Juan to Idaho Falls
- Flights from Washington, D.C. to Idaho Falls
- Flights from Dhaka to Idaho Falls
Popular routes
- Flights from London to Lisbon
- Flights from Harlingen to Fort Lauderdale
- Flights from London to Larnaca
- Flights from Manama to Freeport
- Flights from Hartford to Atlantic City
- Flights from Stockholm to Riohacha
- Flights from Columbia to Grand Rapids
- Flights from Appleton to Sarasota
- Flights from Larnaca to Cajamarca
- Flights from Erbil to Fayetteville
- Flights from Santa Marta to Cologne
- Flights from Peoria to Memphis
Airports near Philadelphia
- John F. Kennedy International
- Newark Liberty International
- Philadelphia International
- Baltimore–Washington International
- LaGuardia
- Washington Dulles International
- Ronald Reagan Washington National
- New York Stewart International Airport
- Long Island MacArthur
- Atlantic City International