Cheap Flights from Philadelphia to Billings

Compare Philadelphia to Billings flight deals

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

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Flight deals from Philadelphia to Billings

Looking for a cheap last-minute deal or the best return flight from Philadelphia to Billings Airport? If you want to travel next month, return fares start from ج.م.‏ 22,458. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Philadelphia to Billings

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Philadelphia to Billings flights are currently cheapest in August.

Philadelphia to Billings: Alternative routes

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

Philadelphia to Billings: Flight information

The things to know before you go.
Cheapest flight foundج.م.‏ 9,453
Cheapest month to flyAugust

Finding cheap flights from Philadelphia to Billings: Frequently asked questions

The best price we found for a return flight from Philadelphia to Billings is ج.م.‏ 18,171. 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 Billings. But we found flights with one stop from ج.م.‏ 18,171.
As of June 2026, there are no flights flying from Philadelphia to Billings.
The cheapest month to fly from Philadelphia to Billings is usually September.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Philadelphia to Billings Airport on Saturday, 19 September 2026.
No airlines currently offer direct flights between Philadelphia and Billings 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 Billings 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 Billings is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Billings is Delta .

Travelling from Philadelphia to Billings Logan International Airport (BIL): What you need to know

  • The timezone in Billings is UTC-7, which is two hours behind Philadelphia. Billings Logan International Airport is located in Billings.

  • Give yourself plenty of time to catch your flight from Philadelphia to BIL. A good rule of thumb is to arrive two hours before international departures and an hour ahead for domestic flights.

  • Flying during a peak time like July? Popular periods (like Thanksgiving, Christmas and spring break) can easily add another hour at security. Be extra safe and arrive up to four hours ahead of international flights and two hours before a domestic departure.

Airports in Philadelphia

Philadelphia International Airport (PHL)

Trenton-Mercer Airport (TTN)

  • TTN is around 48 kilometres from central Philadelphia. It takes 40 minutes or so to get to the airport driving from the city centre. Public transport takes roughly 1 hour 35 minutes.

  • Catching the earliest flight? Think about checking in to one of these hotels near Trenton-Mercer Airport the day before your Philadelphia to BIL flight:

  • 76% of flights leaving Trenton-Mercer Airport stick to their scheduled arrival time.

  • You'll find TTN at Scotch Road, Terminal Building.

About Billings Logan International Airport (BIL)

Getting from Billings Logan International Airport (BIL) to central Billings

  • Billings Logan International Airport is around 10 kilometres from the centre of Billings. It takes around 15 minutes or so to drive to the city.

  • It'll take around 30 minutes when travelling by public transport.

How to find the cheapest flights from Philadelphia to Billings Logan International Airport (BIL)

  • Right now, ج.م.‏ 9,453 is the best price we've found for a one-way ticket from Philadelphia to Billings Logan International Airport. The cheapest price for a return flight is ج.م.‏ 18,171. Keep in mind fares can change due to availability at the time of booking.

  • Don't leave things to the last minute. You're more likely to find cheap flights from Philadelphia to BIL if you book early. Airlines often have some great early bird rates.

  • Cheap Philadelphia to Billings Logan International Airport tickets are easier to find if you're not locked into specific dates. Try using the 'Whole month' search function to compare fares throughout the month and then fly out on the cheapest day.

  • There's no need to search every day to find out if fares have dropped when you set up a Price Alert. We'll let you know the moment a new deal shows up on plane tickets from Philadelphia to BIL.

  • Tailor your flights using filters. Choose your departure and arrival times, total journey duration and airlines. You can also sort your results by 'Best,' 'Fastest' or 'Cheapest' flights from Philadelphia to Billings Logan International Airport.

The best time to fly from Philadelphia to Billings Logan International Airport (BIL)

  • June is the busiest month for flights from Philadelphia to Billings Logan International Airport (BIL). Plan your visit to Billings in December for a quieter experience.

  • The warmest month in Billings is July, with temperatures ranging between 13ºC and 34ºC. Book your Philadelphia to BIL plane ticket then if that's your definition of good weather.

  • If you want cooler conditions, look for a cheap ticket from Philadelphia to Billings Logan International Airport in February when temperatures are between -18ºC and 8ºC.

More about Billings

Explore more of the United States

  • Great Falls is just one of the many places in the United States waiting to be explored once you've taken in the sights of Billings. Around 290 kilometres away to the northwest, popular attractions include Lewis & Clark National Historic Trail Interpretive Centre, Great Falls Dam View and St. Ann Cathedral.

  • If you're eager to discover another well-known destination in the United States, head for Bozeman, about 193 kilometres west of Billings. Museum of the Rockies, American Prairie Reserve and American Prairie are among the biggest draws.

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