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$192+ Cheap flights from Billings to Philadelphia (BIL - PHL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — PHL
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Billings to Philadelphia

Discover tips and strategies to find the most affordable flight options for your journey from Billings (BIL) to Philadelphia (PHL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$415
(American Airlines)

One-way from

$192
(Kiwi.com)

Popular in

October

Cheapest in

February

Average price

$492
From Billings Logan Intl to Philadelphia
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One-way flight from Billings Logan Intl to Philadelphia
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Highest demand for flights based on searches. 5% potential increase in price ($33 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Billings to Philadelphia

Cheapest flights from Billings to Philadelphia
Explore the most affordable flight options available from Billings to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This American Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/31:59 pmBIL - PHL
1 stop9h 11mAmerican Airlines
Mon 10/69:15 pmPHL - BIL
1 stop16h 35mAmerican Airlines
Deal found 9/10$415
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:35 amBIL - PHL
1 stop7h 11mUnited Airlines
Tue 12/303:20 pmPHL - BIL
1 stop8h 04mUnited Airlines
Deal found 9/10$459
This American Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/276:00 amBIL - PHL
1 stop6h 47mAmerican Airlines
Tue 9/302:15 pmPHL - BIL
1 stop10h 24mAmerican Airlines
Deal found 9/10$496
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/32:30 pmBIL - PHL
1 stop27h 05mUnited Airlines
Mon 10/67:58 pmPHL - BIL
2 stops15h 37mUnited Airlines
Deal found 9/10$504
This Delta deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/286:19 pmBIL - PHL
1 stop9h 26mDelta
Wed 10/16:51 pmPHL - BIL
1 stop6h 19mDelta
Deal found 9/11$506
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/275:25 amBIL - PHL
2 stops10h 08mDelta
Tue 9/302:40 pmPHL - BIL
2 stops9h 55mDelta
Deal found 9/10$516
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/276:25 amBIL - PHL
1 stop5h 37mDelta
Sun 9/286:51 pmPHL - BIL
1 stop6h 19mDelta
Deal found 9/9$531
This American Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/286:00 amBIL - PHL
2 stops9h 47mAmerican Airlines
Wed 10/13:40 pmPHL - BIL
2 stops8h 59mAmerican Airlines
Deal found 9/11$616

Cheapflights Fare Finder

 
Customize your flight search to find flights from Billings to Philadelphia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from Billings to Philadelphia that are best for you.

Fly from

Billings

Fly to

Philadelphia

Route

Depart

Return

Price

BillingsPhiladelphia

BIL - PHL

BILPHL

Billings Logan Intl

Fri 10/3

1:59 pm-1:10 am

1 stop9h 11m

Philadelphia

Mon 10/6

9:15 pm-11:50 am

1 stop16h 35m

$415

BillingsPhiladelphia

BIL - PHL

BILPHL

Billings Logan Intl

Thu 12/25

6:35 am-3:46 pm

1 stop7h 11m

Philadelphia

Tue 12/30

3:20 pm-9:24 pm

1 stop8h 04m

$459

BillingsPhiladelphia

BIL - PHL

BILPHL

Billings Logan Intl

Sat 9/27

6:00 am-2:47 pm

1 stop6h 47m

Philadelphia

Tue 9/30

2:15 pm-10:39 pm

1 stop10h 24m

$496

BillingsPhiladelphia

BIL - PHL

BILPHL

Billings Logan Intl

Fri 10/3

2:30 pm-7:35 pm

1 stop27h 05m

Philadelphia

Mon 10/6

7:58 pm-9:35 am

2 stops15h 37m

$504

BillingsPhiladelphia

BIL - PHL

BILPHL

Billings Logan Intl

Sun 9/28

6:19 pm-5:45 am

1 stop9h 26m

Philadelphia

Wed 10/1

6:51 pm-11:10 pm

1 stop6h 19m

$506

BillingsPhiladelphia

BIL - PHL

BILPHL

Billings Logan Intl

Sat 9/27

5:25 am-5:33 pm

2 stops10h 08m

Philadelphia

Tue 9/30

2:40 pm-10:35 pm

2 stops9h 55m

$516

BillingsPhiladelphia

BIL - PHL

BILPHL

Billings Logan Intl

Sat 9/27

6:25 am-2:02 pm

1 stop5h 37m

Philadelphia

Sun 9/28

6:51 pm-11:10 pm

1 stop6h 19m

$531

BillingsPhiladelphia

BIL - PHL

BILPHL

Billings Logan Intl

Sun 10/12

9:35 pm-7:02 am

2 stops31h 27m

$192

BillingsPhiladelphia

BIL - PHL

BILPHL

Billings Logan Intl

Wed 10/8

11:58 am-9:28 pm

1 stop7h 30m

$211

BillingsPhiladelphia

BIL - PHL

BILPHL

Billings Logan Intl

Wed 10/15

2:30 pm-11:09 pm

1 stop6h 39m

$211

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 14 results
1
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Best time to book a flight from Billings to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Billings with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Billings to Philadelphia

What is the cheapest month to book a flight from Billings to Philadelphia?

Currently, August is the cheapest month in which you can book a flight from Billings to Philadelphia (average of $236). Flying from Billings to Philadelphia in March is currently the most expensive (average of $295). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Philadelphia

Get insights into the airlines that provide service to Philadelphia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Philadelphia. Reviews last updated September 11, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from Billings to Philadelphia to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,960 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,960 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Billings to Philadelphia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Billings to Philadelphia?

    Departing from Billings to Philadelphia will take you 7h 11m. Airlines will cover a distance of 1722 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Billings to Philadelphia round-trip?

    Currently priced at $349, Delta will fly you from Billings to Philadelphia and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and United Airlines - these airlines can fly you to your destination from $399 and $430, respectively. Delta is currently priced 35% below the average price you’ll pay for this route.

  • Can I find deals for flights from Billings to Philadelphia that include hotel bookings?

    Yes. In addition to deals on Billings to Philadelphia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Billings to Philadelphia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Billings to Philadelphia.

  • Can I find deals for business class flights from Billings to Philadelphia?

    Yes. Cheapflights offers flight deals from Billings to Philadelphia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Billings to Philadelphia?

    Currently, August is the cheapest month in which you can book a flight from Billings to Philadelphia (average of $236). Flying from Billings to Philadelphia in March is currently the most expensive (average of $295). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Vineland
Wildwood
King of Prussia
Pottstown
Reading
Dewey Beach
Ephrata
Camden
Ocean City
Cherry Hill
Dover
Elkton
Essington
Willow Grove
Newark
Millville
Chester
Exton
Havre de Grace
Plymouth Meeting

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Billings to Philadelphia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Billings to Philadelphia

Discover the top 3 airlines that operate flights from Billings to Philadelphia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$349Average$467FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$399Average$550FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$430Average$532FlexibilityNo cancel feeOn-time69%

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