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$309+ 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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — PHL
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
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 January 27, 2026.

This United Airlines deal was found by Cheapflights users on 1/26. 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 4/212:35 pm
BIL
-
PHL
1 stop7h 08m
United Airlines
Sat 4/253:40 pm
PHL
-
BIL
1 stop7h 17m
United Airlines
Deal found 1/26$309
This American Airlines deal was found by Cheapflights users on 1/26. 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 2/151:48 pm
BIL
-
PHL
1 stop9h 06m
American Airlines
Sun 2/222:57 pm
PHL
-
BIL
1 stop9h 15m
American Airlines
Deal found 1/26$334
This Delta deal was found by Cheapflights users on 1/27. 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 2/265:10 am
BIL
-
PHL
2 stops10h 46m
Delta
Thu 3/512:29 pm
PHL
-
BIL
2 stops9h 10m
Delta
Deal found 1/27$490
This American Airlines deal was found by Cheapflights users on 1/27. 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.
Thu 2/267:25 am
BIL
-
PHL
1 stop9h 45m
American Airlines
Thu 3/53:55 pm
PHL
-
BIL
1 stop9h 40m
American Airlines
Deal found 1/27$510
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Thu 2/262:35 pm
BIL
-
PHL
1 stop6h 55m
United Airlines
Thu 3/59:55 am
PHL
-
BIL
2 stops13h 12m
United Airlines
Deal found 1/27$513
This Delta deal was found by Cheapflights users on 1/27. 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.
Fri 4/36:21 pm
BIL
-
PHL
1 stop9h 20m
Delta
Sun 4/56:00 am
PHL
-
BIL
2 stops13h 41m
Delta
Deal found 1/27$524
This Delta deal was found by Cheapflights users on 1/27. 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 8/66:15 am
BIL
-
PHL
1 stop5h 45m
Delta
Sun 8/161:00 pm
PHL
-
BIL
2 stops11h 37m
Delta
Deal found 1/27$549
This American Airlines deal was found by Cheapflights users on 1/27. 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.
Thu 8/612:28 pm
BIL
-
PHL
1 stop9h 31m
American Airlines
Sun 8/165:00 am
PHL
-
BIL
1 stop10h 22m
American Airlines
Deal found 1/27$578
This Alaska Airlines deal was found by Cheapflights users on 1/27. 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.
Fri 4/37:56 am
BIL
-
PHL
1 stop20h 09m
Alaska Airlines
Sun 4/57:25 am
PHL
-
BIL
1 stop18h 33m
Alaska Airlines
Deal found 1/27$593

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 January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$309
(United Airlines)

Popular in

January

Cheapest in

February

Average price

$864
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. 2% potential increase in price ($14 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 January 27, 2026.
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

Tue 4/21

2:35 pm-11:43 pm

1 stop7h 08m

Philadelphia

Sat 4/25

3:40 pm-8:57 pm

1 stop7h 17m

$309

BillingsPhiladelphia

BIL - PHL

BILPHL

Billings Logan Intl

Sun 2/15

1:48 pm-12:54 am

1 stop9h 06m

Philadelphia

Sun 2/22

2:57 pm-10:12 pm

1 stop9h 15m

$334

BillingsPhiladelphia

BIL - PHL

BILPHL

Billings Logan Intl

Thu 2/26

5:10 am-5:56 pm

2 stops10h 46m

Philadelphia

Thu 3/5

12:29 pm-7:39 pm

2 stops9h 10m

$490

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/24

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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Billings-Philadelphia flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.

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 January 27, 2026.
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
8,119 reviews

Comfort

7.9

Boarding

8.1

Food

7.2

Entertainment

7.8

Crew

8.5

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
8,119 reviews
Delta
7.9
Good
8,119 reviews

Comfort

7.9

Boarding

8.1

Food

7.2

Entertainment

7.8

Crew

8.5

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
9,205 reviews
Delta
7.9
Good
8,119 reviews

Comfort

7.9

Boarding

8.1

Food

7.2

Entertainment

7.8

Crew

8.5

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
11,197 reviews
Delta
7.9
Good
8,119 reviews

Comfort

7.9

Boarding

8.1

Food

7.2

Entertainment

7.8

Crew

8.5

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 7h 08m. Airlines will cover a distance of 1722 mi.

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

    Currently priced at $400, 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 29% 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.

See more FAQs

Traveling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Wildwood
Pottstown
Reading
Ocean City
King of Prussia
Cherry Hill
Lewes
Dewey Beach
Ephrata
Camden
Vineland
Milford
Dover
Elkton
Essington
Willow Grove
New Castle
Millville
Newark
Chester

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Alternative routes for Billings to Philadelphia

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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 January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$400Average$550FlexibilityNo cancel feeOn-time71%
DeltaCheapest$400Average$471FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$490Average$534FlexibilityNo cancel feeOn-time69%

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