Cheap flights from Philadelphia to Idaho from $154
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Idaho departing on 6/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
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 Philadelphia to Idaho
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Sun Country Air flights from Philadelphia to Idaho
Our best Sun Country Air deals on Philadelphia to Idaho flight tickets
Delta flights from Philadelphia to Idaho
Our best Delta deals on Philadelphia to Idaho flight tickets
See travel insights to Idaho from
How to get the cheapest flight ticket from Philadelphia to Idaho
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 Idaho?
In general, September is the cheapest month to fly from Philadelphia to Idaho. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $402. If you don’t want to visit Idaho in September, then you should wait until March to fly from Philadelphia, when ticket prices are also cheap, with an average price of $418.
What is the cheapest day to depart on your flight to Idaho?
Our data shows that Tuesday is the least expensive day to fly to Idaho. Tickets to fly out on this day can be as low as $421. On the other hand, Sunday is the most expensive day to depart from Philadelphia because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $618.
What is the cheapest time of day to depart on your flight to Idaho?
According to our data, the cheapest time of day to fly to Idaho is at noon. momondo users have found flights departing from Philadelphia to Idaho at noon for as low as $302. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the evening is when there is more demand to fly to Idaho, so prices are often more expensive at around $655 per ticket.
How far in advance should I book a flight to Idaho?
You are more likely to see cheaper flights to Idaho from Philadelphia when booking 19 weeks ahead of your departure date. In general, you can expect to find flights to Idaho for around $511 when searching 19 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Idaho from Philadelphia for as low as $270 on momondo.
What is the cheapest airline that flies from Philadelphia to Idaho?
American Airlines, Spirit Airlines, and Delta are the most popular carriers operating from Philadelphia to Idaho
What airlines fly to Idaho?
Delta, United Airlines and American Airlines are the top three most popular airlines that fly to Idaho from Philadelphia according to our data. Delta is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Idaho. Keep in mind that there are 6 different airlines that fly to Idaho on a routine basis, so you have a few additional options to choose from.
Cheap Philadelphia to Idaho flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Idaho
When did momondo last update prices for flights from Philadelphia Airport to Idaho?
Prices for flights from Philadelphia Airport to Idaho are updated daily.
How many operators does momondo search for flights from Philadelphia Airport to Idaho?
The number of operators available for flights from Philadelphia Airport to Idaho is 5 as of April 2025.
How old do you have to be to fly from Philadelphia Airport to Idaho?
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 Philadelphia Airport to Idaho.
What documentation or ID do you need to fly to Idaho?
The necessary travel and health documents for your Idaho trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
Best airlines flying from Philadelphia to Idaho
Compare and see reviews for airlines that fly from Philadelphia to Idaho with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $160 | Free Cancellation | Rating 6.3 7,926 reviews | |||
| PriceFrom $312 | Free Cancellation | Rating 8.0 7,916 reviews | |||
| PriceFrom $346 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $362 | Free Cancellation | Rating 8.0 4,280 reviews | |||
| PriceFrom $372 | Free Cancellation | Rating 7.4 8,667 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Philadelphia to Idaho?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Philadelphia to Idaho. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Philadelphia to Idaho with flexible booking policies on momondo?
Flights from Philadelphia to Idaho with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Philadelphia to Idaho?
momondo provides multiple filters to help you find the best flight to Idaho from Philadelphia. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Philadelphia to Idaho right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Philadelphia to Idaho flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.