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$181+ Cheap flights from Philadelphia to Missoula (PHL - MSO)

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 1/19. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — MSO
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheapflights Tip: The best prices from Philadelphia to Missoula Johnson-Bell Field are usually found in November or January, booked 47 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap flight deals from Philadelphia to Missoula

Cheapest flights from Philadelphia to Missoula
Explore the most affordable flight options available from Philadelphia to Missoula. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/10. 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.
Wed 12/103:35 pmPHL - MSO
1 stop7h 43mUnited Airlines
Fri 12/122:35 pmMSO - PHL
1 stop6h 47mUnited Airlines
Deal found 12/10$671
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.
Sat 12/202:34 pmPHL - MSO
1 stop8h 06mDelta
Tue 12/236:15 pmMSO - PHL
1 stop9h 35mDelta
Deal found 12/11$731
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.
Sat 12/208:27 amPHL - MSO
2 stops15h 14mUnited Airlines
Tue 12/236:00 amMSO - PHL
2 stops15h 30mUnited Airlines
Deal found 12/11$850
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/267:10 amPHL - MSO
1 stop10h 20mMultiple Airlines
Fri 12/269:08 pmMSO - PHL
2 stops30h 32mMultiple Airlines
Deal found 12/11$1,081

Find flight deals from Philadelphia to Missoula

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Missoula (MSO). 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

$361
(Delta)

One-way from

$181
(United Airlines)

Popular in

December

Cheapest in

November

Average price

$807
Provider with most accurate pricing for Philadelphia-Missoula Johnson-Bell Field flight deals.
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Provider most trusted by Cheapflights users for Philadelphia-Missoula Johnson-Bell Field flights.
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From Philadelphia to Missoula Johnson-Bell Field
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One-way flight from Philadelphia to Missoula Johnson-Bell Field
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High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Philadelphia to Missoula 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 Philadelphia to Missoula that are best for you.

Fly from

Philadelphia

Fly to

Missoula

Route

Depart

Return

Price

PhiladelphiaMissoula

PHL - MSO

PHLMSO

Philadelphia

Wed 1/28

7:00 am-12:35 pm

1 stop7h 35m

Missoula Johnson-Bell Field

Thu 1/29

7:55 am-5:57 pm

1 stop8h 02m

$361

PhiladelphiaMissoula

PHL - MSO

PHLMSO

Philadelphia

Thu 1/29

8:09 am-4:05 pm

1 stop9h 56m

Missoula Johnson-Bell Field

Mon 2/2

2:37 pm-11:30 pm

1 stop6h 53m

$361

PhiladelphiaMissoula

PHL - MSO

PHLMSO

Philadelphia

Thu 2/19

6:20 pm-12:21 pm

1 stop20h 01m

Missoula Johnson-Bell Field

Tue 2/24

4:20 pm-5:20 pm

1 stop23h 00m

$361

PhiladelphiaMissoula

PHL - MSO

PHLMSO

Philadelphia

Wed 1/28

6:37 pm-12:28 am

1 stop7h 51m

Missoula Johnson-Bell Field

Fri 1/30

7:55 am-5:57 pm

1 stop8h 02m

$361

PhiladelphiaMissoula

PHL - MSO

PHLMSO

Philadelphia

Thu 1/22

8:09 am-4:05 pm

1 stop9h 56m

Missoula Johnson-Bell Field

Mon 1/26

2:37 pm-11:30 pm

1 stop6h 53m

$361

PhiladelphiaMissoula

PHL - MSO

PHLMSO

Philadelphia

Mon 1/26

6:37 pm-12:28 am

1 stop7h 51m

Missoula Johnson-Bell Field

Thu 1/29

7:55 am-5:57 pm

1 stop8h 02m

$361

PhiladelphiaMissoula

PHL - MSO

PHLMSO

Philadelphia

Mon 6/1

3:10 pm-8:07 pm

1 stop6h 57m

Missoula Johnson-Bell Field

Wed 6/3

6:10 pm-5:43 am

1 stop9h 33m

$361

PhiladelphiaMissoula

PHL - MSO

PHLMSO

Philadelphia

Thu 1/22

12:08 pm-8:45 pm

1 stop10h 37m

Missoula Johnson-Bell Field

Mon 1/26

1:21 pm-11:55 pm

1 stop8h 34m

$365

PhiladelphiaMissoula

PHL - MSO

PHLMSO

Philadelphia

Tue 2/17

10:06 am-9:57 pm

2 stops13h 51m

Missoula Johnson-Bell Field

Thu 2/19

2:34 pm-11:30 pm

1 stop6h 56m

$366

PhiladelphiaMissoula

PHL - MSO

PHLMSO

Philadelphia

Tue 1/27

8:00 am-8:14 pm

2 stops14h 14m

Missoula Johnson-Bell Field

Thu 1/29

7:55 am-5:57 pm

1 stop8h 02m

$366

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 22 results
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Compare providers for flights from Philadelphia to Missoula

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 Missoula 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 Philadelphia-Missoula flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Philadelphia-Missoula flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Philadelphia-Missoula flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Philadelphia-Missoula 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-Missoula 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 Missoula

Have a flexible travel schedule? Discover the best time to fly to Missoula 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 Missoula

How far ahead should I book a flight from Philadelphia to Missoula?

Use this chart to determine the optimal time to book a round-trip flight from Philadelphia to Missoula. Price data was last updated on December 5, 2025.

To ensure you get the cheapest price possible for a flight from Philadelphia to Missoula, you should look to book at least 45 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, June is the cheapest month in which you can book a flight from Philadelphia to Missoula (average of $180). Flying from Philadelphia to Missoula in December is currently the most expensive (average of $378). 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.

What is the cheapest time of day to fly from PHL to MSO?

Find hourly flight availability from Philadelphia to Missoula. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

A simple way to save on the total cost of your ticket is to fly from Philadelphia to Missoula in the evening. If you’re flexible enough to do this you can expect to save up to 63% on your trip compared to booking a flight at noon.

How much does it cost to fly round-trip from Philadelphia to Missoula?

Reviews of airlines servicing Missoula

Get insights into the airlines that provide service to Missoula. 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 Missoula. Reviews last updated December 12, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from Philadelphia to Missoula by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,007 reviews

Comfort

7.9

Boarding

8.1

Food

7.3

Crew

8.5

Entertainment

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
8,007 reviews
Delta
7.9
Good
8,007 reviews

Comfort

7.9

Boarding

8.1

Food

7.3

Crew

8.5

Entertainment

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
8,007 reviews

Comfort

7.9

Boarding

8.1

Food

7.3

Crew

8.5

Entertainment

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
8,007 reviews

Comfort

7.9

Boarding

8.1

Food

7.3

Crew

8.5

Entertainment

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.
Frontier
5.8
Fair
3,084 reviews
Delta
7.9
Good
8,007 reviews

Comfort

7.9

Boarding

8.1

Food

7.3

Crew

8.5

Entertainment

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 Philadelphia to Missoula. 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 Missoula?

    There are many flights that can get you from Philadelphia to Missoula in 7h 51m. Fly via Delta or American Airlines to get the fastest option. The distance from Philadelphia to Missoula is about 1987 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    According to our current data, Frontier ($150), American Airlines ($340), and Delta ($340) offers the cheapest pricing from Philadelphia to Missoula. Frontier is currently priced 71% below the average price you’ll pay for this route.

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

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $162. American Airlines flights start at $170 while deals on United Airlines start at $180 one-way.

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

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

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

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

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

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

    Currently, June is the cheapest month in which you can book a flight from Philadelphia to Missoula (average of $180). Flying from Philadelphia to Missoula in December is currently the most expensive (average of $378). 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 4 airlines flying from Philadelphia to Missoula

Discover the top 4 airlines that operate flights from Philadelphia to Missoula. 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
FrontierCheapest$150Average$324FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$340Average$471FlexibilityNo cancel feeOn-time71%
DeltaCheapest$340Average$475FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$389Average$591FlexibilityNo cancel feeOn-time69%

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