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$189+ 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 6/20. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — MSO
May 17 — May 241
Sat 5/17
Sat 5/24
1 adult, Economy
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Cheapflights Tip: The best prices from Philadelphia to Missoula Johnson-Bell Field are usually found in May or January, booked 23 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap 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 May 12, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$388
(FlightHub)

One-way from

$189
(Frontier)

Popular in

December

Cheapest in

May

Average price

$390
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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Highest demand for flights based on searches. 13% potential increase in price ($92 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($40 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Find 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 May 12, 2025.

This American Airlines deal was found by Cheapflights users on 5/11. 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.
Mon 9/84:25 pmPHL - MSO
1 stop9h 08mAmerican Airlines
Mon 9/153:37 pmMSO - PHL
1 stop7h 23mAmerican Airlines
Deal found 5/11$325
This Delta deal was found by Cheapflights users on 5/12. 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 9/246:15 amPHL - MSO
1 stop8h 43mDelta
Sun 9/285:50 amMSO - PHL
1 stop6h 12mDelta
Deal found 5/12$385
This FlightHub deal was found by Cheapflights users on 5/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/101:02 pmPHL - MSO
1 stop24h 52mFrontier
Mon 7/1412:40 pmMSO - PHL
1 stop14h 29mFrontier
Deal found 5/12$388
This United Airlines deal was found by Cheapflights users on 5/11. 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.
Tue 6/178:31 amPHL - MSO
2 stops9h 55mUnited Airlines
Fri 6/204:21 pmMSO - PHL
2 stops11h 01mUnited Airlines
Deal found 5/11$416
This Alaska Airlines deal was found by Cheapflights users on 5/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/86:58 pmPHL - MSO
2 stops20h 36mAlaska Airlines
Mon 9/156:40 pmMSO - PHL
1 stop9h 20mAlaska Airlines
Deal found 5/11$434

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 May 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

Mon 9/8

4:25 pm-11:33 pm

1 stop9h 08m

Missoula Johnson-Bell Field

Mon 9/15

3:37 pm-1:00 am

1 stop7h 23m

$325

PhiladelphiaMissoula

PHL - MSO

PHLMSO

Philadelphia

Wed 9/24

6:15 am-12:58 pm

1 stop8h 43m

Missoula Johnson-Bell Field

Sun 9/28

5:50 am-2:02 pm

1 stop6h 12m

$385

PhiladelphiaMissoula

PHL - MSO

PHLMSO

Philadelphia

Thu 7/10

1:02 pm-11:54 am

1 stop24h 52m

Missoula Johnson-Bell Field

Mon 7/14

12:40 pm-5:09 am

1 stop14h 29m

$388

PhiladelphiaMissoula

PHL - MSO

PHLMSO

Philadelphia

Tue 6/17

8:31 am-4:26 pm

2 stops9h 55m

Missoula Johnson-Bell Field

Fri 6/20

4:21 pm-5:22 am

2 stops11h 01m

$416

PhiladelphiaMissoula

PHL - MSO

PHLMSO

Philadelphia

Mon 9/8

6:58 pm-1:34 pm

2 stops20h 36m

Missoula Johnson-Bell Field

Mon 9/15

6:40 pm-6:00 am

1 stop9h 20m

$434

PhiladelphiaMissoula

PHL - MSO

PHLMSO

Philadelphia

Fri 6/20

6:15 am-11:55 am

1 stop7h 40m

$189

PhiladelphiaMissoula

PHL - MSO

PHLMSO

Philadelphia

Tue 8/19

5:00 am-1:01 pm

1 stop10h 01m

$196

PhiladelphiaMissoula

PHL - MSO

PHLMSO

Philadelphia

Tue 8/19

3:10 pm-12:24 am

2 stops11h 14m

$201

PhiladelphiaMissoula

PHL - MSO

PHLMSO

Philadelphia

Tue 8/19

3:40 pm-11:27 am

3 stops21h 47m

$418

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/12

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 May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Philadelphia-Missoula flight deals on Cheapflights vs. FlightHub >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 Expedia the most. Expedia 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 May 9, 2025.

To ensure you get the cheapest price possible for a flight from Philadelphia to Missoula, you should look to book at least 23 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, October is the cheapest month in which you can book a flight from Philadelphia to Missoula (average of $365). Flying from Philadelphia to Missoula in March is currently the most expensive (average of $506). 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 May 12, 2025.

A simple way to save on the total cost of your ticket is to fly from Philadelphia to Missoula in the afternoon. If you’re flexible enough to do this you can expect to save up to 57% on your trip compared to booking a flight in the morning.

Rainfall in Missoula by month

Plan your trip to Missoula by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Missoula ranges from 0.7 - 2.1 inches per month. June is typically the wettest month, when rainfall can reach 2.1 in. February is typically the driest time to visit Missoula when rainfall is around 0.7 in.

Temperature in Missoula by month

Plan your trip to Missoula by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Missoula, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 24.8 F).

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 May 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. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,724 reviews
Delta
8.0
Very good
7,950 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,950 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Frontier
6.0
Okay
3,286 reviews
Delta
8.0
Very good
7,950 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

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

    According to our current data, Frontier ($388), American Airlines ($391), and United Airlines ($396) offers the cheapest pricing from Philadelphia to Missoula. Frontier is currently priced 33% 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 Frontier, which is currently one of the cheapest options available, starting at $189. Delta flights start at $285 while deals on United Airlines start at $470 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, October is the cheapest month in which you can book a flight from Philadelphia to Missoula (average of $365). Flying from Philadelphia to Missoula in March is currently the most expensive (average of $506). 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 May 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$82Average$256FlexibilityNo cancel feeOn-time62%
DeltaCheapest$384Average$578FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$426Average$623FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$438Average$564FlexibilityNo cancel feeOn-time71%

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