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175 € Cheap Flights from Boise to Philadelphia

Compare Boise to Philadelphia flight deals

Find the cheapest month or even day of the year to fly to Philadelphia

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Flight deals from Boise to Philadelphia

Looking for a cheap last-minute deal or the best return flight from Boise Airport to Philadelphia? If you want to travel next month, return fares start from 175 €. Find the lowest prices on one-way and return tickets right here.
Philadelphia.175 € per passenger.Departing Sat, 15 Aug, returning Mon, 17 Aug.Return flight with Delta.Outbound indirect flight with Delta, departs from Boise on Sat, 15 Aug, arriving in Philadelphia International.Inbound indirect flight with Delta, departs from Philadelphia International on Mon, 17 Aug, arriving in Boise.Price includes taxes and charges.From 175 €, select.
Philadelphia.210 € per passenger.Departing Thu, 30 Jul, returning Mon, 3 Aug.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Boise on Thu, 30 Jul, arriving in Philadelphia International.Inbound indirect flight with Frontier Airlines, departs from Philadelphia International on Mon, 3 Aug, arriving in Boise.Price includes taxes and charges.From 210 €, select.
Philadelphia.262 € per passenger.Departing Thu, 3 Sep, returning Thu, 10 Sep.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Boise on Thu, 3 Sep, arriving in Philadelphia International.Inbound indirect flight with Southwest Airlines, departs from Philadelphia International on Thu, 10 Sep, arriving in Boise.Price includes taxes and charges.From 262 €, select.
Philadelphia.266 € per passenger.Departing Thu, 31 Dec, returning Fri, 8 Jan.Return flight with Delta.Outbound indirect flight with Delta, departs from Boise on Thu, 31 Dec, arriving in Philadelphia International.Inbound indirect flight with Delta, departs from Philadelphia International on Fri, 8 Jan, arriving in Boise.Price includes taxes and charges.From 266 €, select.
Philadelphia.270 € per passenger.Departing Fri, 28 Aug, returning Thu, 3 Sep.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Boise on Fri, 28 Aug, arriving in Philadelphia International.Inbound indirect flight with Southwest Airlines, departs from Philadelphia International on Thu, 3 Sep, arriving in Boise.Price includes taxes and charges.From 270 €, select.
Philadelphia.323 € per passenger.Departing Thu, 17 Dec, returning Tue, 22 Dec.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Boise on Thu, 17 Dec, arriving in Philadelphia International.Inbound indirect flight with Southwest Airlines, departs from Philadelphia International on Tue, 22 Dec, arriving in Boise.Price includes taxes and charges.From 323 €, select.
Philadelphia.357 € per passenger.Departing Fri, 20 Nov, returning Sun, 29 Nov.Return flight with Delta.Outbound indirect flight with Delta, departs from Boise on Fri, 20 Nov, arriving in Philadelphia International.Inbound indirect flight with Delta, departs from Philadelphia International on Sun, 29 Nov, arriving in Boise.Price includes taxes and charges.From 357 €, select.
Philadelphia.384 € per passenger.Departing Fri, 9 Oct, returning Sun, 11 Oct.Return flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Boise on Fri, 9 Oct, arriving in Philadelphia International.Inbound indirect flight with Alaska Airlines, departs from Philadelphia International on Sun, 11 Oct, arriving in Boise.Price includes taxes and charges.From 384 €, select.
Philadelphia.395 € per passenger.Departing Mon, 20 Jul, returning Thu, 23 Jul.Return flight with Delta.Outbound indirect flight with Delta, departs from Boise on Mon, 20 Jul, arriving in Philadelphia International.Inbound indirect flight with Delta, departs from Philadelphia International on Thu, 23 Jul, arriving in Boise.Price includes taxes and charges.From 395 €, select.

Find the cheapest month to fly from Boise to Philadelphia

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Boise to Philadelphia flights are currently cheapest in August.
Jul
from 395 €
Aug
from 175 €
Sep
from 262 €
Oct
from 384 €
Nov
from 357 €
Dec
from 323 €
Jan
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Feb
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Mar
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Apr
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May
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Jun
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Alternative Boise to Philadelphia routes

Looking for the cheapest, fastest or easiest route from Boise to Philadelphia? You could fly into the following airports instead.

Philadelphia International

11km from central Philadelphia
ClosestCheapest
from 175 €
Search flights

Philadelphia Trenton-Mercer

47km from central Philadelphia
from 577 €
Search flights

Greater Wilmington

49km from central Philadelphia
Search flights

Atlantic City International

75km from central Philadelphia
Search flights

Allentown

81km from central Philadelphia
from 295 €
Search flights

Boise to Philadelphia: Flight information

The things to know before you go.
Cheapest flight found175 €
Cheapest month to flyAugust

Finding cheap flights from Boise to Philadelphia: Frequently asked questions

There are 5 airports in Philadelphia: Philadelphia International, Philadelphia Trenton-Mercer, Greater Wilmington, Atlantic City International, and Allentown.
The best price we found for a return flight from Boise to Philadelphia is 175 €. 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 Boise to Philadelphia. But we found flights with one or more stops from 175 €.
As of July 2026, there are no flights flying from Boise to Philadelphia.
The cheapest month to fly from Boise to Philadelphia is usually August.
If you're flying from Boise Airport, the cheapest airport near Philadelphia is Philadelphia International – which is 11.2 km away from the centre of Philadelphia. We've found flights into this airport from 175 €.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Boise Airport to Philadelphia on Saturday, 15 August 2026.
No airlines currently offer direct flights between Boise Airport and Philadelphia. 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 Philadelphia 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 Philadelphia is around 40 days in advance, so don’t leave your flight to the last minute.

In July, the average temperature is usually around 24°C. July is typically the warmest month in Philadelphia, when it usually averages around 30°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging -5°C. The rainiest month is July.
Currently, Delta offers the cheapest flight tickets to Philadelphia.

Travelling from Boise Air Terminal (BOI) to Philadelphia: what you need to know

  • Philadelphia is two hours ahead of Boise, where Boise Air Terminal is located. Philadelphia observes the UTC-5 timezone.

  • Leave enough time to catch your BOI to Philadelphia flight. It's generally best to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • During popular months like July, it's wise to get to the airport even earlier. Plan to arrive two hours before domestic departures and four hours ahead of international flights when you fly during a peak period in general.

  • Located around 6 kilometres from the centre of Boise, BOI can be reached in about 15 minutes by car. The journey on public transport will take roughly 30 minutes.

  • In search of a hotel near BOI? If you're boarding an early flight from Boise Air Terminal to Philadelphia, these accommodation options set you up for a seamless send-off:

  • Boise Air Terminal maintains a strong on-time performance, so you're less likely to experience disruptions. Departures from BOI land at their destination as scheduled 84% of the time.

  • BOI is located at 3201 Airport Way.

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

  • The best price we've seen for a one-way Boise Air Terminal to Philadelphia flight is 88 €. The cheapest price for a return flight is 175 €. Remember fares may change due to availability at the time of booking.

  • Don't wait until the last minute. You're more likely to pick up cheap flights from BOI to Philadelphia if you book early. Airlines often offer some excellent early bird deals.

  • If you have flexibility with your travel plans, make the most of the 'Whole month' tool. It'll show you the cheapest price across every month when searching for your Boise Air Terminal to Philadelphia ticket.

  • Stay on top of deals for cheap flights from BOI to Philadelphia by setting up a Price Alert. We'll send you an email or notification on the app when fares go down.

  • Choose your ideal arrival and departure times, airlines and number of stops with our filters. Then, sort the results for your flight from Boise Air Terminal to Philadelphia by 'Cheapest,' 'Fastest' or 'Best.'

Airports in Philadelphia

Philadelphia International Airport (PHL)

  • Philadelphia International Airport (PHL) is around 18 kilometres from central Philadelphia. If you're opting for a ride-share or a taxi, the drive will take roughly 20 minutes.

  • Getting there on public transport will take you around 30 minutes.

  • If you're arriving on a late flight from Boise Air Terminal to Philadelphia, few things beat the convenience of staying close to the terminal. Collect your bags from the carousel and then be showered and sleeping not long after at one of these hotels near PHL:

  • Booking your vehicle from Philadelphia International Airport about three weeks before your flight from BOI to Philadelphia can help you get the best possible rate.

  • The address for PHL is 8500 Essington Ave.

Trenton-Mercer Airport (TTN)

  • After your flight from Boise Air Terminal to Philadelphia has hit the tarmac, you can get to the city centre in around 40 minutes by car. Central Philadelphia is roughly 48 kilometres from Trenton-Mercer Airport (TTN).

  • If you travel by public transport, the journey will take you 1 hour 35 minutes or so.

  • You'll find some great places ready to welcome you near TTN. Unwind and get cosy after your BOI to Philadelphia flight at any of these well-located options:

  • Avoid last-minute price surges. Booking your ride four weeks before your arrival at TTN can help you lock in a better rate.

  • The address for Trenton-Mercer Airport is Scotch Road, Terminal Building.

Best time to go to Philadelphia

  • It's time to plan your travel dates for your flight from Boise Air Terminal to Philadelphia. July is the most popular month for a trip to Philadelphia. If you prefer a quieter atmosphere, go in December.

  • Book a Boise Air Terminal to Philadelphia plane ticket with a departure in July if you're eager to visit the city during its warmest month. Expect temperatures to range from 18ºC (64ºF) to 32ºC (90ºF).

  • January sees average temperatures of between -7ºC (19ºF) and 9ºC (48ºF). Look for a cheap ticket from BOI to Philadelphia around that time if you want to travel when it's cooler.

More about Philadelphia

Explore more of the United States

  • You've seen Philadelphia, now it's time to explore other parts of the United States. Travel around 129 kilometres northeast to New York to tick off its popular sights. From Central Park to Statue of Liberty and Metropolitan Museum of Art, there's plenty to keep you on the go.

  • Around 434 kilometres northeast of Philadelphia, Boston is another essential stop in the United States. No visit is complete without checking out Museum of Fine Arts Boston, Freedom Trail and USS Constitution Museum.

Plan the rest of your trip from Boise to Philadelphia

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.