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$431+ Cheap flights from Philadelphia to Billings (PHL - BIL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/27. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BIL
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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Find flight deals from Philadelphia to Billings

Cheapest flights from Philadelphia to Billings
Explore the most affordable flight options available from Philadelphia to Billings. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 29, 2025.

This Delta deal was found by Cheapflights users on 10/27. 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.
Thu 11/276:00 amPHL - BIL
2 stops13h 33mDelta
Wed 12/311:47 amBIL - PHL
2 stops11h 04mDelta
Deal found 10/27$431
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Wed 11/269:45 amPHL - BIL
1 stop9h 31mUnited Airlines
Wed 12/32:40 pmBIL - PHL
1 stop6h 42mUnited Airlines
Deal found 10/27$442
This Alaska Airlines deal was found by Cheapflights users on 10/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/277:10 amPHL - BIL
1 stop13h 22mAlaska Airlines
Wed 12/36:00 amBIL - PHL
1 stop9h 53mAlaska Airlines
Deal found 10/27$463
This United Airlines deal was found by Cheapflights users on 10/28. 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.
Tue 11/258:08 amPHL - BIL
1 stop7h 15mUnited Airlines
Tue 12/22:40 pmBIL - PHL
1 stop6h 42mUnited Airlines
Deal found 10/28$504
This American Airlines deal was found by Cheapflights users on 10/27. 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.
Tue 11/116:25 amPHL - BIL
1 stop9h 05mAmerican Airlines
Sat 11/152:00 pmBIL - PHL
1 stop6h 42mAmerican Airlines
Deal found 10/27$506
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/266:18 pmPHL - BIL
1 stop26h 14mAlaska Airlines
Wed 12/36:00 amBIL - PHL
1 stop21h 46mAlaska Airlines
Deal found 10/29$508
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Tue 11/1110:34 amPHL - BIL
2 stops8h 42mUnited Airlines
Sat 11/1510:45 amBIL - PHL
1 stop6h 42mUnited Airlines
Deal found 10/27$511

Cheap flight deals from Philadelphia to Billings

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Billings (BIL). 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 October 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$431
(Delta)

Popular in

January

Cheapest in

August

Average price

$635
Provider with most accurate pricing for Philadelphia-Billings Logan Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Philadelphia-Billings Logan Intl flights.
Search Deals
From Philadelphia to Billings Logan Intl
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($68 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Philadelphia to Billings 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 October 29, 2025.
Use the filters below to find and compare flights from Philadelphia to Billings that are best for you.

Fly from

Philadelphia

Fly to

Billings

Route

Depart

Return

Price

PhiladelphiaBillings

PHL - BIL

PHLBIL

Philadelphia

Wed 11/26

9:45 am-5:16 pm

1 stop9h 31m

Billings Logan Intl

Wed 12/3

2:40 pm-11:22 pm

1 stop6h 42m

$442

PhiladelphiaBillings

PHL - BIL

PHLBIL

Philadelphia

Thu 11/27

7:10 am-6:32 pm

1 stop13h 22m

Billings Logan Intl

Wed 12/3

6:00 am-5:53 pm

1 stop9h 53m

$463

PhiladelphiaBillings

PHL - BIL

PHLBIL

Philadelphia

Thu 11/27

6:00 am-5:14 pm

2 stops13h 14m

Billings Logan Intl

Wed 12/3

6:25 am-11:57 pm

1 stop15h 32m

$490

PhiladelphiaBillings

PHL - BIL

PHLBIL

Philadelphia

Tue 11/25

8:08 am-1:23 pm

1 stop7h 15m

Billings Logan Intl

Tue 12/2

2:40 pm-11:22 pm

1 stop6h 42m

$504

PhiladelphiaBillings

PHL - BIL

PHLBIL

Philadelphia

Tue 11/11

6:25 am-1:30 pm

1 stop9h 05m

Billings Logan Intl

Sat 11/15

2:00 pm-10:42 pm

1 stop6h 42m

$506

PhiladelphiaBillings

PHL - BIL

PHLBIL

Philadelphia

Wed 11/26

6:18 pm-6:32 pm

1 stop26h 14m

Billings Logan Intl

Wed 12/3

6:00 am-5:46 am

1 stop21h 46m

$508

PhiladelphiaBillings

PHL - BIL

PHLBIL

Philadelphia

Tue 11/11

10:34 am-5:16 pm

2 stops8h 42m

Billings Logan Intl

Sat 11/15

10:45 am-7:27 pm

1 stop6h 42m

$511

PhiladelphiaBillings

PHL - BIL

PHLBIL

Philadelphia

Tue 11/25

9:45 am-5:16 pm

1 stop9h 31m

Billings Logan Intl

Wed 12/3

2:40 pm-11:22 pm

1 stop6h 42m

$549

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Compare providers for flights from Philadelphia to Billings

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Philadelphia to Billings in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Philadelphia-Billings flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Philadelphia-Billings flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Philadelphia-Billings flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Philadelphia-Billings flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Philadelphia-Billings flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Philadelphia to Billings

Have a flexible travel schedule? Discover the best time to fly to Billings from Philadelphia 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 Philadelphia to Billings

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

Currently, May is the cheapest month in which you can book a flight from Philadelphia to Billings (average of $292). Flying from Philadelphia to Billings in January is currently the most expensive (average of $542). 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 Billings

Get insights into the airlines that provide service to Billings. 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 Billings. Reviews last updated October 29, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from Philadelphia to Billings to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,992 reviews

Comfort

7.9

Overall

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,992 reviews
Delta
7.9
Good
7,992 reviews

Comfort

7.9

Overall

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,999 reviews
Delta
7.9
Good
7,992 reviews

Comfort

7.9

Overall

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,032 reviews
Delta
7.9
Good
7,992 reviews

Comfort

7.9

Overall

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Related info for your journey

Find useful and relevant information for your journey from Philadelphia to Billings. 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 Philadelphia to Billings?

    There are many flights that can get you from Philadelphia to Billings in 9h 31m. Fly via United Airlines, Alaska Airlines, or Delta to get the fastest option. There are 1722 mi between Philadelphia and Billings. This flight may include one or multiple stops.

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

    Our cheapest airline available from Philadelphia to Billings is Delta. Our recent data shows that you can find tickets from as low as $317 on this airline. Additional options worth looking into are American Airlines and United Airlines, starting at $400 and $427 round-trip. Delta is 46% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Philadelphia to Billings 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 Philadelphia to Billings?

    Currently, May is the cheapest month in which you can book a flight from Philadelphia to Billings (average of $292). Flying from Philadelphia to Billings in January is currently the most expensive (average of $542). 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

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Top 3 airlines flying from Philadelphia to Billings

Discover the top 3 airlines that operate flights from Philadelphia to Billings. 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 October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$317Average$455FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$400Average$534FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$427Average$610FlexibilityNo cancel feeOn-time69%

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