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192 € Cheap Flights from Philadelphia to Boise

Compare Philadelphia to Boise flight deals

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Flight deals from Philadelphia to Boise

Looking for a cheap last-minute deal or the best return flight from Philadelphia to Boise Airport? If you want to travel next month, return fares start from 207 €. Find the lowest prices on one-way and return tickets right here.
Boise.192 € per passenger.Departing Sat, 23 May, returning Sun, 31 May.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Philadelphia International on Sat, 23 May, arriving in Boise.Inbound indirect flight with Frontier Airlines, departs from Boise on Sun, 31 May, arriving in Philadelphia International.Price includes taxes and charges.From 192 €, select.
Boise.207 € per passenger.Departing Mon, 8 Jun, returning Sun, 14 Jun.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Philadelphia International on Mon, 8 Jun, arriving in Boise.Inbound indirect flight with Frontier Airlines, departs from Boise on Sun, 14 Jun, arriving in Philadelphia International.Price includes taxes and charges.From 207 €, select.
Boise.237 € per passenger.Departing Wed, 27 May, returning Wed, 3 Jun.Return flight with United.Outbound indirect flight with United, departs from Philadelphia International on Wed, 27 May, arriving in Boise.Inbound indirect flight with United, departs from Boise on Wed, 3 Jun, arriving in Philadelphia International.Price includes taxes and charges.From 237 €, select.
Boise.237 € per passenger.Departing Wed, 12 Aug, returning Sat, 15 Aug.Return flight with Delta.Outbound indirect flight with Delta, departs from Philadelphia International on Wed, 12 Aug, arriving in Boise.Inbound indirect flight with Delta, departs from Boise on Sat, 15 Aug, arriving in Philadelphia International.Price includes taxes and charges.From 237 €, select.
Boise.245 € per passenger.Departing Sat, 17 Oct, returning Tue, 20 Oct.Return flight with Delta.Outbound indirect flight with Delta, departs from Philadelphia International on Sat, 17 Oct, arriving in Boise.Inbound indirect flight with Delta, departs from Boise on Tue, 20 Oct, arriving in Philadelphia International.Price includes taxes and charges.From 245 €, select.
Boise.267 € per passenger.Departing Sat, 29 Aug, returning Sun, 6 Sep.Return flight with Delta.Outbound indirect flight with Delta, departs from Philadelphia International on Sat, 29 Aug, arriving in Boise.Inbound indirect flight with Delta, departs from Boise on Sun, 6 Sep, arriving in Philadelphia International.Price includes taxes and charges.From 267 €, select.
Boise.268 € per passenger.Departing Thu, 24 Sep, returning Tue, 29 Sep.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Philadelphia International on Thu, 24 Sep, arriving in Boise.Inbound indirect flight with Southwest Airlines, departs from Boise on Tue, 29 Sep, arriving in Philadelphia International.Price includes taxes and charges.From 268 €, select.
Boise.301 € per passenger.Departing Mon, 22 Jun, returning Thu, 2 Jul.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Philadelphia International on Mon, 22 Jun, arriving in Boise.Inbound indirect flight with Frontier Airlines, departs from Boise on Thu, 2 Jul, arriving in Philadelphia International.Price includes taxes and charges.From 301 €, select.
Boise.305 € per passenger.Departing Fri, 10 Jul, returning Sun, 12 Jul.Return flight with Delta.Outbound indirect flight with Delta, departs from Philadelphia International on Fri, 10 Jul, arriving in Boise.Inbound indirect flight with Delta, departs from Boise on Sun, 12 Jul, arriving in Philadelphia International.Price includes taxes and charges.From 305 €, select.
Boise.343 € per passenger.Departing Fri, 31 Jul, returning Sat, 8 Aug.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Philadelphia International on Fri, 31 Jul, arriving in Boise.Inbound indirect flight with Southwest Airlines, departs from Boise on Sat, 8 Aug, arriving in Philadelphia International.Price includes taxes and charges.From 343 €, select.
Boise.391 € per passenger.Departing Wed, 30 Dec, returning Sun, 3 Jan.Return flight with Delta.Outbound indirect flight with Delta, departs from Philadelphia International on Wed, 30 Dec, arriving in Boise.Inbound indirect flight with Delta, departs from Boise on Sun, 3 Jan, arriving in Philadelphia International.Price includes taxes and charges.From 391 €, select.

Find the cheapest month to fly from Philadelphia to Boise

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Philadelphia to Boise flights are currently cheapest in May.
May
from 192 €
Jun
from 207 €
Jul
from 305 €
Aug
from 237 €
Sep
from 268 €
Oct
from 245 €
Nov
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Dec
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Jan
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Feb
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Mar
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Apr
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Philadelphia to Boise: Alternative routes

Compare routes from Philadelphia to Boise below. You may find an airport to fly into that's cheaper, faster, or easier than Boise.

Boise

5km from central Boise
ClosestCheapest
from 192 €
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Philadelphia to Boise: Flight information

The things to know before you go.
Cheapest flight found192 €
Cheapest month to flyMay

Finding cheap flights from Philadelphia to Boise: Frequently asked questions

The best price we found for a return flight from Philadelphia to Boise is 192 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Philadelphia to Boise. But we found flights with one stop from 192 €.
As of May 2026, there are no flights flying from Philadelphia to Boise.
The cheapest month to fly from Philadelphia to Boise is usually May.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Philadelphia to Boise Airport on Saturday, 23 May 2026.
No airlines currently offer direct flights between Philadelphia and Boise Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Boise but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Boise is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Boise is Frontier Airlines .

Travelling from Philadelphia to Boise Air Terminal (Gowen Field) Airport (BOI): What you need to know

  • Start your trip planning by looking up the best departure point for your flight from Philadelphia to Boise Air Terminal (Gowen Field) Airport (BOI). Explore the options for setting off from Philadelphia International Airport (PHL) or Trenton-Mercer Airport (TTN), two of the city's main airports.

  • Boise is two hours behind Philadelphia. Boise Air Terminal (Gowen Field) Airport is located in Boise, which operates on the UTC-6 timezone.

  • Leave plenty of time to get on your flight from Philadelphia to BOI. A good rule of thumb is to arrive two hours before international departures and an hour ahead for domestic flights.

  • High season means busier airports, so aim to get there even earlier. Give yourself at least two hours before a domestic flight and four hours for international journeys to stick to your schedule.

Airports in Philadelphia

Philadelphia International Airport (PHL)

  • PHL is around 19 kilometres from central Philadelphia. If you're catching a cab, ride-sharing or driving from the centre, it'll take you 15 minutes or so to get there, depending on the traffic. If you're planning to take public transport, expect the travel time to be around 45 minutes.

  • Catching an early flight from Philadelphia to Boise Air Terminal (Gowen Field) Airport? Avoid the stress of rushing to the terminal (and get some extra shut-eye) by picking one of these stays close to Philadelphia International Airport:

  • 78.93% of flights leaving from Philadelphia International Airport land at their destination on time.

  • PHL is located at 8500 Essington Ave.

Trenton-Mercer Airport (TTN)

  • TTN is about 56 kilometres from central Philadelphia. It'll take you 40 minutes or so to get to the airport driving from the city centre. Public transport takes roughly 1 hour 45 minutes.

  • Got an early start? You might like to check in to one of these accommodation options near Trenton-Mercer Airport the day before your Philadelphia to BOI flight:

  • Flights from Trenton-Mercer Airport have a track record for punctuality, with 82.45% of them touching down within the expected time frame.

  • The street address for TTN is Scotch Road, Terminal Building.

About Boise Air Terminal (Gowen Field) Airport (BOI)

Getting from Boise Air Terminal (Gowen Field) Airport (BOI) to central Boise

  • Boise Air Terminal (Gowen Field) Airport is around 6 kilometres from central Boise. How long it takes to get to the centre by car hire or cab will depend on the time of day. Do some research before you go.

  • It'll take around 1 hour 35 minutes if you're travelling by public transport.

How to find the cheapest flights from Philadelphia to Boise Air Terminal (Gowen Field) Airport (BOI)

  • Currently, 94 € is the lowest price we've found for a one-way ticket from Philadelphia to Boise Air Terminal (Gowen Field) Airport. The cheapest price for a return flight is 192 €. Remember fares can change due to availability at the time of booking.

  • Booking in advance is often the key to scoring a cheap flight from Philadelphia to BOI. Fares tend to rise as seats fill up, so the closer your departure date, the more you'll likely pay.

  • The 'Whole month' tool will show you the cheapest Philadelphia to Boise Air Terminal (Gowen Field) Airport tickets throughout the month. It's a great way to snap up a bargain if your plans are flexible.

  • There's no need to check back in every day to find out if fares have dropped when you create a Price Alert. We'll notify you the moment there's a better deal on plane tickets from Philadelphia to BOI.

  • Nail down a great price on a flight from Philadelphia to Boise Air Terminal (Gowen Field) Airport with the help of the filters. Pick your preferred departure and arrival times, airlines and number of stops. You can also sort your results by 'Best,' 'Cheapest' or 'Fastest.'

The best time to fly from Philadelphia to Boise Air Terminal (Gowen Field) Airport (BOI)

  • May is the quietest month for flights from Philadelphia to Boise Air Terminal (Gowen Field) Airport (BOI), while July is the busiest. Find the best time to go to Boise based on whether you prefer a lively atmosphere or a more laid-back vibe.

  • When booking your Philadelphia to BOI plane ticket, consider the kind of weather forecast you're hoping for. July is the warmest month in Boise, with temperatures ranging from 15ºC (59ºF) to 35ºC (95ºF).

  • If you want cooler conditions, look for a cheap ticket from Philadelphia to Boise Air Terminal (Gowen Field) Airport in January when temperatures are between -11ºC (12ºF) and 5ºC (41ºF).

More about Boise

  • Start your Boise trip right by choosing the ideal place to stay. Once you've booked your flight from Philadelphia to Boise Air Terminal (Gowen Field) Airport, check out our selection of accommodation options including:

  • There are so many things to explore in this city, it can be tricky to work out where to begin. Cathedral Of The Rockies, Boise River Rafting and Boise Depot are major attractions which should be on any good Boise itinerary.

Explore more of the United States

  • Boise has loads to offer, but there are so many other parts of the United States just waiting to be explored. Around 177 kilometres south-east of Boise, a visit to Twin Falls will keep you on the go. Don't miss top attractions like Sawtooth National Forest, Twin Falls and Base jump the bridge.

  • La Grande is another sought-after destination in the United States and is around 241 kilometres north-west of Boise. No trip is complete without a visit to Our Lady of the Valley, La Grande Skatepark and Jefferson Street Depot.

Plan the rest of your trip from Philadelphia to Boise

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.