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$122+ 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 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — MSO
jul. 8 — jul. 151
mar. 7/8
mar. 7/15
1 adult, Economy
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Cheapflights Tip: The best prices from Philadelphia to Missoula Johnson-Bell Field are usually found in January or February, 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 julio 3, 2025.

Round-trip from

$325
(Delta)

One-way from

$122
(Priceline)

Popular in

December

Cheapest in

January

Average price

$600
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 ($91 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in July 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 julio 3, 2025.

This Delta deal was found by Cheapflights users on 6/30. 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.
lun. 9/86:59 pmPHL - MSO
1 stop6h 50mDelta
mar. 9/95:49 amMSO - PHL
1 stop6h 11mDelta
Deal found 6/30$325
This United Airlines deal was found by Cheapflights users on 7/1. 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.
mié. 9/1010:10 amPHL - MSO
2 stops13h 12mUnited Airlines
mar. 9/162:40 pmMSO - PHL
1 stop6h 49mUnited Airlines
Deal found 7/1$330
This Mytrip deal was found by Cheapflights users on 7/3. 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.
jue. 8/79:15 pmPHL - MSO
2 stops20h 15mMultiple Airlines
lun. 8/119:54 pmMSO - PHL
3 stops23h 36mMultiple Airlines
Deal found 7/3$349
This Priceline deal was found by Cheapflights users on 7/1. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 7/186:15 amPHL - MSO
1 stop7h 39mFrontier
vie. 7/2512:40 pmMSO - PHL
1 stop7h 29mFrontier
Deal found 7/1$352
This American Airlines deal was found by Cheapflights users on 7/1. 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.
jue. 7/313:38 pmPHL - MSO
1 stop8h 10mAmerican Airlines
mar. 8/51:47 pmMSO - PHL
1 stop9h 12mAmerican Airlines
Deal found 7/1$366
This Alaska Airlines deal was found by Cheapflights users on 6/30. 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.
mar. 10/287:00 amPHL - MSO
1 stop10h 19mAlaska Airlines
mié. 10/291:05 pmMSO - PHL
2 stops14h 35mAlaska Airlines
Deal found 6/30$387

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 julio 3, 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

lun. 9/8

6:59 pm-11:49 pm

1 stop6h 50m

Missoula Johnson-Bell Field

mar. 9/9

5:49 am-2:00 pm

1 stop6h 11m

$325

PhiladelphiaMissoula

PHL - MSO

PHLMSO

Philadelphia

mié. 9/10

10:10 am-9:22 pm

2 stops13h 12m

Missoula Johnson-Bell Field

mar. 9/16

2:40 pm-11:29 pm

1 stop6h 49m

$330

PhiladelphiaMissoula

PHL - MSO

PHLMSO

Philadelphia

jue. 8/7

9:15 pm-3:30 pm

2 stops20h 15m

Missoula Johnson-Bell Field

lun. 8/11

9:54 pm-11:30 pm

3 stops23h 36m

$349

PhiladelphiaMissoula

PHL - MSO

PHLMSO

Philadelphia

vie. 7/18

6:15 am-11:54 am

1 stop7h 39m

Missoula Johnson-Bell Field

vie. 7/25

12:40 pm-10:09 pm

1 stop7h 29m

$352

PhiladelphiaMissoula

PHL - MSO

PHLMSO

Philadelphia

jue. 7/31

3:38 pm-9:48 pm

1 stop8h 10m

Missoula Johnson-Bell Field

mar. 8/5

1:47 pm-12:59 am

1 stop9h 12m

$366

PhiladelphiaMissoula

PHL - MSO

PHLMSO

Philadelphia

mar. 10/28

7:00 am-3:19 pm

1 stop10h 19m

Missoula Johnson-Bell Field

mié. 10/29

1:05 pm-5:40 am

2 stops14h 35m

$387

PhiladelphiaMissoula

PHL - MSO

PHLMSO

Philadelphia

vie. 8/15

6:15 am-11:54 am

1 stop7h 39m

$122

PhiladelphiaMissoula

PHL - MSO

PHLMSO

Philadelphia

mar. 7/29

6:55 pm-12:24 am

1 stop7h 29m

$171

PhiladelphiaMissoula

PHL - MSO

PHLMSO

Philadelphia

dom. 7/27

6:15 am-3:05 pm

1 stop10h 50m

$201

PhiladelphiaMissoula

PHL - MSO

PHLMSO

Philadelphia

vie. 8/15

7:00 am-9:38 am

2 stops28h 38m

$207

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 12 results
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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 June 27, 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 julio 3, 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.

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 julio 3, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta, and Hawaiian 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,982 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,545 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,861 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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, Delta ($325), United Airlines ($330), and Frontier ($352) offers the cheapest pricing from Philadelphia to Missoula. Delta is currently priced 45% 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 $122. Delta flights start at $171 while deals on American Airlines start at $201 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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Alternative routes for Philadelphia to Missoula

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Philadelphia to Missoula

Discover the top 3 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 julio 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$382Average$572FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$410Average$618FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$436Average$559FlexibilityNo cancel feeOn-time71%

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