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$158+ 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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — MSO
Jul 5 — Jul 121
Sat 7/5
Sat 7/12
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 June 30, 2025.

Round-trip from

$316
(Priceline)

One-way from

$158
(Priceline)

Popular in

December

Cheapest in

January

Average price

$587
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 June 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 June 30, 2025.

This Priceline deal was found by Cheapflights users on 6/29. 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.
Mon 7/146:15 amPHL - MSO
1 stop7h 39mFrontier
Fri 7/1812:40 pmMSO - PHL
1 stop7h 29mFrontier
Deal found 6/29$316
This Delta deal was found by Cheapflights users on 6/28. 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 7/236:55 pmPHL - MSO
1 stop7h 29mDelta
Tue 7/296:24 pmMSO - PHL
1 stop9h 26mDelta
Deal found 6/28$341
This Alaska Airlines deal was found by Cheapflights users on 6/28. 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.
Wed 10/87:00 amPHL - MSO
1 stop10h 20mAlaska Airlines
Tue 10/144:12 pmMSO - PHL
1 stop11h 28mAlaska Airlines
Deal found 6/28$369
This Trip.com deal was found by Cheapflights users on 6/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/217:19 amPHL - MSO
1 stop10h 11mMultiple Airlines
Mon 7/289:54 pmMSO - PHL
2 stops38h 24mMultiple Airlines
Deal found 6/27$370
This Hawaiian Airlines deal was found by Cheapflights users on 6/29. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/287:00 amPHL - MSO
1 stop10h 19mHawaiian Airlines
Wed 10/294:07 pmMSO - PHL
1 stop11h 33mHawaiian Airlines
Deal found 6/29$401
This American Airlines deal was found by Cheapflights users on 6/29. 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.
Sat 10/116:20 amPHL - MSO
1 stop8h 40mAmerican Airlines
Wed 10/151:31 pmMSO - PHL
1 stop9h 38mAmerican Airlines
Deal found 6/29$410
This United Airlines deal was found by Cheapflights users on 6/28. 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 7/216:30 amPHL - MSO
1 stop7h 08mUnited Airlines
Fri 8/14:23 pmMSO - PHL
2 stops11h 14mUnited Airlines
Deal found 6/28$436

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 June 30, 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 7/14

6:15 am-11:54 am

1 stop7h 39m

Missoula Johnson-Bell Field

Fri 7/18

12:40 pm-10:09 pm

1 stop7h 29m

$316

PhiladelphiaMissoula

PHL - MSO

PHLMSO

Philadelphia

Wed 7/23

6:55 pm-12:24 am

1 stop7h 29m

Missoula Johnson-Bell Field

Thu 7/31

6:24 pm-5:50 am

1 stop9h 26m

$341

PhiladelphiaMissoula

PHL - MSO

PHLMSO

Philadelphia

Wed 10/8

7:00 am-3:20 pm

1 stop10h 20m

Missoula Johnson-Bell Field

Tue 10/14

4:12 pm-5:40 am

1 stop11h 28m

$369

PhiladelphiaMissoula

PHL - MSO

PHLMSO

Philadelphia

Mon 7/21

7:19 am-3:30 pm

1 stop10h 11m

Missoula Johnson-Bell Field

Mon 7/28

9:54 pm-2:18 pm

2 stops38h 24m

$370

PhiladelphiaMissoula

PHL - MSO

PHLMSO

Philadelphia

Tue 10/28

7:00 am-3:19 pm

1 stop10h 19m

Missoula Johnson-Bell Field

Wed 10/29

4:07 pm-5:40 am

1 stop11h 33m

$401

PhiladelphiaMissoula

PHL - MSO

PHLMSO

Philadelphia

Sat 10/11

6:20 am-1:00 pm

1 stop8h 40m

Missoula Johnson-Bell Field

Wed 10/15

1:31 pm-1:09 am

1 stop9h 38m

$410

PhiladelphiaMissoula

PHL - MSO

PHLMSO

Philadelphia

Mon 7/21

6:30 am-11:38 am

1 stop7h 08m

Missoula Johnson-Bell Field

Fri 8/1

4:23 pm-5:37 am

2 stops11h 14m

$436

PhiladelphiaMissoula

PHL - MSO

PHLMSO

Philadelphia

Mon 8/4

6:15 am-11:54 am

1 stop7h 39m

$158

PhiladelphiaMissoula

PHL - MSO

PHLMSO

Philadelphia

Tue 7/29

6:15 am-3:05 pm

1 stop10h 50m

$171

PhiladelphiaMissoula

PHL - MSO

PHLMSO

Philadelphia

Tue 7/29

5:12 pm-12:24 am

2 stops9h 12m

$176

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/28

Showing 1-10 of 13 results
1
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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 June 30, 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 June 30, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta, and United 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

Entertainment

7.1

Comfort

7.8

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.1

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

Entertainment

7.1

Comfort

7.8

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.1

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
7,973 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.8

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.1

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
8,852 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.8

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.1

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

Entertainment

7.1

Comfort

7.8

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Frontier
5.9
Fair
3,290 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.8

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.1

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, Frontier ($316), Delta ($341), and American Airlines ($429) offers the cheapest pricing from Philadelphia to Missoula. Frontier is currently priced 46% 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 $158. American Airlines flights start at $171 while deals on Delta start at $176 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 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 June 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$150Average$280FlexibilityNo cancel feeOn-time62%
DeltaCheapest$382Average$572FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$410Average$618FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$436Average$560FlexibilityNo cancel feeOn-time71%

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