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$159+ 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 2/8. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — MSO
Feb 10 — Feb 171
Tue 2/10
Tue 2/17
1 adult, Economy
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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 January 11, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$361
(Delta)

One-way from

$159
(Kiwi.com)

Popular in

December

Cheapest in

November

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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High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 4% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 11, 2026.

This Delta deal was found by Cheapflights users on 1/9. 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.
Thu 2/56:37 pmPHL - MSO
1 stop7h 51mDelta
Mon 2/91:25 pmMSO - PHL
1 stop8h 28mDelta
Deal found 1/9$361
This Delta deal was found by Cheapflights users on 1/9. 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 7/216:40 pmPHL - MSO
1 stop7h 44mDelta
Tue 7/286:10 pmMSO - PHL
2 stops12h 26mDelta
Deal found 1/9$366
This Delta deal was found by Cheapflights users on 1/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/16:49 pmPHL - MSO
1 stop7h 30mDelta
Wed 4/86:04 pmMSO - PHL
1 stop9h 37mDelta
Deal found 1/10$386
This Delta deal was found by Cheapflights users on 1/9. 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.
Thu 2/198:00 amPHL - MSO
2 stops14h 01mDelta
Tue 2/241:16 pmMSO - PHL
1 stop8h 30mDelta
Deal found 1/9$391
This United Airlines deal was found by Cheapflights users on 1/10. 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 4/110:00 amPHL - MSO
2 stops13h 35mUnited Airlines
Wed 4/82:38 pmMSO - PHL
1 stop7h 05mUnited Airlines
Deal found 1/10$393
This United Airlines deal was found by Cheapflights users on 1/10. 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.
Tue 4/710:00 amPHL - MSO
2 stops13h 35mUnited Airlines
Tue 4/216:15 amMSO - PHL
2 stops10h 39mUnited Airlines
Deal found 1/10$403
This Alaska Airlines deal was found by Cheapflights users on 1/8. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/317:06 pmPHL - MSO
1 stop30h 49mAlaska Airlines
Wed 2/44:20 pmMSO - PHL
1 stop23h 43mAlaska Airlines
Deal found 1/8$404
This Delta deal was found by Cheapflights users on 1/9. 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.
Fri 7/36:40 pmPHL - MSO
1 stop7h 44mDelta
Tue 7/145:45 amMSO - PHL
1 stop6h 15mDelta
Deal found 1/9$411
This Delta deal was found by Cheapflights users on 1/9. 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 6/306:40 pmPHL - MSO
1 stop7h 44mDelta
Wed 7/85:45 amMSO - PHL
1 stop6h 15mDelta
Deal found 1/9$413
This Delta deal was found by Cheapflights users on 1/9. 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.
Fri 7/36:30 pmPHL - MSO
1 stop7h 17mDelta
Wed 7/86:10 pmMSO - PHL
2 stops12h 26mDelta
Deal found 1/9$416

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 January 11, 2026.
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 2/4

6:37 pm-12:28 am

1 stop7h 51m

Missoula Johnson-Bell Field

Wed 2/11

1:25 pm-11:53 pm

1 stop8h 28m

$361

PhiladelphiaMissoula

PHL - MSO

PHLMSO

Philadelphia

Tue 5/26

10:00 am-4:10 pm

1 stop8h 10m

Missoula Johnson-Bell Field

Tue 6/2

2:27 pm-10:41 pm

1 stop6h 14m

$361

PhiladelphiaMissoula

PHL - MSO

PHLMSO

Philadelphia

Thu 1/29

6:37 pm-12:28 am

1 stop7h 51m

Missoula Johnson-Bell Field

Mon 2/2

7:55 am-5:57 pm

1 stop8h 02m

$361

PhiladelphiaMissoula

PHL - MSO

PHLMSO

Philadelphia

Thu 2/5

6:37 pm-12:28 am

1 stop7h 51m

Missoula Johnson-Bell Field

Mon 2/9

1:25 pm-11:53 pm

1 stop8h 28m

$361

PhiladelphiaMissoula

PHL - MSO

PHLMSO

Philadelphia

Tue 4/7

11:36 am-9:35 pm

2 stops11h 59m

Missoula Johnson-Bell Field

Tue 4/14

6:15 am-9:32 pm

2 stops13h 17m

$372

PhiladelphiaMissoula

PHL - MSO

PHLMSO

Philadelphia

Wed 4/1

6:49 pm-12:19 am

1 stop7h 30m

Missoula Johnson-Bell Field

Wed 4/8

6:04 pm-5:41 am

1 stop9h 37m

$386

PhiladelphiaMissoula

PHL - MSO

PHLMSO

Philadelphia

Thu 2/19

8:00 am-8:01 pm

2 stops14h 01m

Missoula Johnson-Bell Field

Tue 2/24

1:16 pm-11:46 pm

1 stop8h 30m

$391

PhiladelphiaMissoula

PHL - MSO

PHLMSO

Philadelphia

Wed 4/1

10:00 am-9:35 pm

2 stops13h 35m

Missoula Johnson-Bell Field

Wed 4/8

2:38 pm-11:43 pm

1 stop7h 05m

$393

PhiladelphiaMissoula

PHL - MSO

PHLMSO

Philadelphia

Sat 2/7

4:27 pm-10:03 am

3 stops43h 36m

$181

PhiladelphiaMissoula

PHL - MSO

PHLMSO

Philadelphia

Sun 2/8

7:00 am-12:30 pm

1 stop7h 30m

$211

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/11

Showing 1-10 of 18 results
1
2

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 January.
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 January 9, 2026.

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 $168). 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.

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 January 11, 2026.
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
8,039 reviews

Entertainment

7.8

Crew

8.5

Comfort

7.9

Food

7.2

Boarding

8.1

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
8,039 reviews
Delta
7.9
Good
8,039 reviews

Entertainment

7.8

Crew

8.5

Comfort

7.9

Food

7.2

Boarding

8.1

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
9,145 reviews
Delta
7.9
Good
8,039 reviews

Entertainment

7.8

Crew

8.5

Comfort

7.9

Food

7.2

Boarding

8.1

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
11,100 reviews
Delta
7.9
Good
8,039 reviews

Entertainment

7.8

Crew

8.5

Comfort

7.9

Food

7.2

Boarding

8.1

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
5.7
Fair
3,058 reviews
Delta
7.9
Good
8,039 reviews

Entertainment

7.8

Crew

8.5

Comfort

7.9

Food

7.2

Boarding

8.1

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 United 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 $168). 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 January 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$150Average$324FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$340Average$467FlexibilityNo cancel feeOn-time71%
DeltaCheapest$340Average$472FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$389Average$591FlexibilityNo cancel feeOn-time69%

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