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$170+ 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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — PHL
Apr 10 — Apr 171
Fri 4/10
Fri 4/17
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 March 11, 2026.

This Delta deal was found by Cheapflights users on 3/9. 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.
Tue 4/76:21 pm
BIL
-
PHL
1 stop9h 20m
Delta
Wed 4/812:26 pm
PHL
-
BIL
2 stops12h 03m
Delta
Deal found 3/9$282
This United Airlines deal was found by Cheapflights users on 3/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/72:35 pm
BIL
-
PHL
1 stop7h 08m
United Airlines
Wed 4/83:40 pm
PHL
-
BIL
1 stop7h 17m
United Airlines
Deal found 3/9$328
This Delta deal was found by Cheapflights users on 3/6. 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.
Mon 4/206:24 am
BIL
-
PHL
1 stop5h 37m
Delta
Fri 5/12:59 pm
PHL
-
BIL
1 stop7h 07m
Delta
Deal found 3/6$329
This Delta deal was found by Cheapflights users on 3/8. 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.
Wed 5/66:24 am
BIL
-
PHL
2 stops11h 06m
Delta
Sun 5/107:01 pm
PHL
-
BIL
1 stop6h 05m
Delta
Deal found 3/8$334
This United Airlines deal was found by Cheapflights users on 3/5. 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 5/272:25 pm
BIL
-
PHL
1 stop7h 05m
United Airlines
Tue 6/24:54 pm
PHL
-
BIL
1 stop7h 21m
United Airlines
Deal found 3/5$350
This United Airlines deal was found by Cheapflights users on 3/6. 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.
Mon 4/202:35 pm
BIL
-
PHL
1 stop7h 08m
United Airlines
Fri 5/13:34 pm
PHL
-
BIL
1 stop9h 11m
United Airlines
Deal found 3/6$354
This American Airlines deal was found by Cheapflights users on 3/6. 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.
Mon 4/201:51 pm
BIL
-
PHL
1 stop8h 20m
American Airlines
Fri 5/14:20 pm
PHL
-
BIL
1 stop8h 23m
American Airlines
Deal found 3/6$379
This United Airlines deal was found by Cheapflights users on 3/6. 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.
Sat 3/2110:50 am
BIL
-
PHL
2 stops11h 26m
United Airlines
Wed 3/2512:10 pm
PHL
-
BIL
2 stops10h 57m
United Airlines
Deal found 3/6$389

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 March 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$282
(Delta)

One-way from

$170
(Alaska Airlines)

Popular in

May

Cheapest in

April

Average price

$534
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
One-way flight from Billings Logan Intl to Philadelphia
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($21 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 11, 2026.
Use the filters below to find and compare flights from Billings to Philadelphia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BillingsPhiladelphia

BIL - PHL

BILPHL

Billings Logan Intl

Tue 4/7

6:21 pm-5:41 am

1 stop9h 20m

Philadelphia

Wed 4/8

12:26 pm-8:19 pm

2 stops9h 53m

$302
Quickest round-trip

BillingsPhiladelphia

BIL - PHL

BILPHL

Billings Logan Intl

Tue 4/7

2:35 pm-11:43 pm

1 stop7h 08m

Philadelphia

Wed 4/8

3:40 pm-8:57 pm

1 stop7h 17m

$328

BillingsPhiladelphia

BIL - PHL

BILPHL

Billings Logan Intl

Wed 5/6

6:24 am-7:30 pm

2 stops11h 06m

Philadelphia

Sun 5/10

7:01 pm-11:06 pm

1 stop6h 05m

$334

BillingsPhiladelphia

BIL - PHL

BILPHL

Billings Logan Intl

Mon 4/20

2:35 pm-11:43 pm

1 stop7h 08m

Philadelphia

Fri 5/1

3:34 pm-10:45 pm

1 stop9h 11m

$354

BillingsPhiladelphia

BIL - PHL

BILPHL

Billings Logan Intl

Mon 4/20

1:51 pm-12:11 am

1 stop8h 20m

Philadelphia

Fri 5/1

1:47 pm-10:43 pm

2 stops10h 56m

$359

BillingsPhiladelphia

BIL - PHL

BILPHL

Billings Logan Intl

Wed 5/27

2:25 pm-11:30 pm

1 stop7h 05m

Philadelphia

Tue 6/2

9:21 am-5:19 pm

2 stops9h 58m

$390

BillingsPhiladelphia

BIL - PHL

BILPHL

Billings Logan Intl

Fri 5/8

5:35 am-7:29 pm

2 stops11h 54m

Philadelphia

Mon 5/11

7:01 pm-11:06 pm

1 stop6h 05m

$404

BillingsPhiladelphia

BIL - PHL

BILPHL

Billings Logan Intl

Tue 4/21

2:35 pm-11:43 pm

1 stop7h 08m

Philadelphia

Sat 4/25

8:00 am-1:23 pm

1 stop7h 23m

$419
Cheapest one-way

BillingsPhiladelphia

BIL - PHL

BILPHL

Billings Logan Intl

Tue 4/21

2:05 pm-6:05 am

1 stop14h 00m

$170

BillingsPhiladelphia

BIL - PHL

BILPHL

Billings Logan Intl

Tue 4/14

10:38 am-12:59 am

2 stops12h 21m

$191

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/7

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

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 March.
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 March 11, 2026.
Peruse reviews from past customers who have flown with Delta,United Airlines, andAmerican 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
8,278 reviews

Comfort

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

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
8,278 reviews
Delta
7.9
Good
8,278 reviews

Comfort

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

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
9,414 reviews
Delta
7.9
Good
8,278 reviews

Comfort

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

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
7.1
Good
11,419 reviews
Delta
7.9
Good
8,278 reviews

Comfort

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

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. This flight may include one or multiple stops.

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

    Currently priced at $309, 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 $404, respectively. American Airlines is currently priced 41% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Billings to Philadelphia one-way?

    The cheapest airlines for a one-way flight from Billings to Philadelphia are United Airlines ($165), American Airlines ($200), and Delta ($222).

  • 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
Reading
King of Prussia
Camden
Ocean City
Cherry Hill
Lewes
Dewey Beach
Pottstown
Ephrata
Vineland
Milford
Dover
Elkton
Essington
Willow Grove
New Castle
Millville
Glen Mills
Chester

Browse thousands of different options on Cheapflights for your next trip

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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 March 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$309Average$530FlexibilityNo cancel feeOn-time71%
DeltaCheapest$400Average$471FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$404Average$512FlexibilityNo cancel feeOn-time69%

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