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$443+ Cheap flights from Billings to Philadelphia (BIL - PHL)

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 4/19. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — PHL
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap 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 December 12, 2025.

This American Airlines deal was found by Cheapflights users on 12/11. 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.
Fri 12/266:00 amBIL - PHL
1 stop9h 47mAmerican Airlines
Tue 12/303:53 pmPHL - BIL
1 stop9h 01mAmerican Airlines
Deal found 12/11$791
This United Airlines deal was found by Cheapflights users on 12/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:35 amBIL - PHL
1 stop20h 57mUnited Airlines
Tue 12/308:27 amPHL - BIL
2 stops14h 57mUnited Airlines
Deal found 12/11$835
This United Airlines deal was found by Cheapflights users on 12/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/282:40 pmBIL - PHL
1 stop6h 32mUnited Airlines
Tue 12/308:27 amPHL - BIL
2 stops14h 57mUnited Airlines
Deal found 12/11$921
This Delta deal was found by Cheapflights users on 12/11. 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 12/286:20 pmBIL - PHL
1 stop9h 30mDelta
Tue 12/306:54 pmPHL - BIL
1 stop6h 25mDelta
Deal found 12/11$1,025
This Mytrip deal was found by Cheapflights users on 12/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2610:14 amBIL - PHL
2 stops20h 53mMultiple Airlines
Tue 12/306:00 amPHL - BIL
3 stops31h 17mMultiple Airlines
Deal found 12/11$1,065

Find 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$495
(United Airlines)

Popular in

January

Cheapest in

February

Average price

$523
Provider with most accurate pricing for Billings Logan Intl-Philadelphia flight deals.
Search Deals
Provider most trusted by Cheapflights users for Billings Logan Intl-Philadelphia flights.
Search Deals
From Billings Logan Intl to Philadelphia
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($27 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 12, 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

Sun 4/19

6:25 pm-5:43 am

1 stop9h 18m

Philadelphia

Thu 4/23

3:10 pm-8:07 pm

1 stop6h 57m

$443

BillingsPhiladelphia

BIL - PHL

BILPHL

Billings Logan Intl

Thu 1/15

2:45 pm-11:32 pm

1 stop6h 47m

Philadelphia

Sun 1/18

8:09 am-3:22 pm

1 stop9h 13m

$495

BillingsPhiladelphia

BIL - PHL

BILPHL

Billings Logan Intl

Sun 4/19

2:40 pm-11:40 pm

1 stop7h 00m

Philadelphia

Thu 4/23

10:35 am-8:54 pm

2 stops12h 19m

$532

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Compare providers for flights from Billings to Philadelphia

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 Billings to Philadelphia in December.
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 Billings-Philadelphia flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Billings-Philadelphia flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Billings-Philadelphia flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Billings-Philadelphia 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 Billings-Philadelphia 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 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, November is the cheapest month in which you can book a flight from Billings to Philadelphia (average of $275). Flying from Billings to Philadelphia in March is currently the most expensive (average of $486). 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 December 12, 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
7.9
Good
8,008 reviews

Boarding

8.1

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,008 reviews
Delta
7.9
Good
8,008 reviews

Boarding

8.1

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,095 reviews
Delta
7.9
Good
8,008 reviews

Boarding

8.1

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,050 reviews
Delta
7.9
Good
8,008 reviews

Boarding

8.1

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 6h 47m. 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 $399, American Airlines will fly you from Billings to Philadelphia and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and United Airlines - these airlines can fly you to your destination from $400 and $490, respectively. American Airlines is currently priced 30% 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, November is the cheapest month in which you can book a flight from Billings to Philadelphia (average of $275). Flying from Billings to Philadelphia in March is currently the most expensive (average of $486). 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
Wildwood
Pottstown
King of Prussia
Reading
Ocean City
Cherry Hill
Lewes
Dewey Beach
Ephrata
Camden
Vineland
Milford
Dover
Elkton
Essington
Willow Grove
New Castle
Newark
Millville
Chester

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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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$399Average$550FlexibilityNo cancel feeOn-time71%
DeltaCheapest$400Average$470FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$490Average$534FlexibilityNo cancel feeOn-time69%

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