$161+ Cheap flights from Philadelphia to Missoula (PHL - MSO)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — MSO
Dec 4 — Dec 111
Round-trip
1 adult, Economy
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Find cheap flights from Philadelphia to Missoula with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Philadelphia to Missoula
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Cheapest flights from Philadelphia to MissoulaExplore 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 November 4, 2026.
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 November 4, 2026.
This Delta deal was found by Cheapflights users on 11/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/76:59 pm -
1 stop7h 33m
Thu 12/106:25 pm -
1 stop9h 30m
Deal found 11/1![Delta logo]()
$399
This American Airlines deal was found by Cheapflights users on 11/4. 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 12/75:53 am -
1 stop9h 24m
Thu 12/101:47 pm -
1 stop6h 47m
Deal found 11/4![American Airlines logo]()
$409
This Alaska Airlines deal was found by Cheapflights users on 10/30. 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.
Wed 12/97:00 am -
1 stop11h 00m
Sat 12/127:01 am -
1 stop8h 07m
Deal found 10/30![Alaska Airlines logo]()
$429
This Delta deal was found by Cheapflights users on 11/2. 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 11/196:58 pm -
1 stop7h 22m
Sun 11/226:18 pm -
2 stops14h 45m
Deal found 11/2![Delta logo]()
$474
This Delta deal was found by Cheapflights users on 10/31. 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 11/126:58 pm -
1 stop7h 22m
Sun 11/156:18 pm -
1 stop9h 37m
Deal found 10/31![Delta logo]()
$494
Best flights from Philadelphia to MissoulaDiscover carefully curated flight deals from Philadelphia to Missoula that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 4, 2026.
Discover carefully curated flight deals from Philadelphia to Missoula that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 4, 2026.
This Alaska Airlines deal was found by Cheapflights users on 10/30. 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.
Wed 12/97:00 am -
1 stop11h 00m
Sat 12/127:01 am -
1 stop8h 07m
Deal found 10/30![Alaska Airlines logo]()
$429
This Delta deal was found by Cheapflights users on 11/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/76:59 pm -
1 stop7h 33m
Thu 12/105:25 am -
2 stops12h 05m
Deal found 11/3![Delta logo]()
$430
This United Airlines deal was found by Cheapflights users on 10/31. 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 12/910:53 am -
2 stops12h 54m
Sat 12/126:15 am -
2 stops13h 23m
Deal found 10/31![United Airlines logo]()
$529
This Delta deal was found by Cheapflights users on 11/2. 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 11/196:58 pm -
1 stop7h 22m
Sun 11/226:18 pm -
2 stops14h 45m
Deal found 11/2![Delta logo]()
$474
This United Airlines deal was found by Cheapflights users on 11/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/306:15 am -
2 stops9h 21m
Wed 2/36:10 am -
2 stops13h 30m
Deal found 11/3![United Airlines logo]()
$529
This United Airlines deal was found by Cheapflights users on 11/1. 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.
Mon 12/79:45 am -
2 stops10h 50m
Thu 12/106:15 am -
2 stops9h 42m
Deal found 11/1![United Airlines logo]()
$579
Last-minute flights from Philadelphia to MissoulaDiscover last-minute flight deals from Philadelphia to Missoula. Data last updated November 4, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to Missoula. Data last updated November 4, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 10/31. 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 11/126:58 pm -
1 stop7h 22m
Sun 11/156:18 pm -
1 stop9h 37m
Deal found 10/31![Delta logo]()
$494
This Delta deal was found by Cheapflights users on 11/2. 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 11/196:58 pm -
1 stop7h 22m
Sun 11/226:18 pm -
2 stops14h 45m
Deal found 11/2![Delta logo]()
$474
This Delta deal was found by Cheapflights users on 11/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/76:59 pm -
1 stop7h 33m
Thu 12/106:25 pm -
1 stop9h 30m
Deal found 11/1![Delta logo]()
$399
This American Airlines deal was found by Cheapflights users on 11/4. 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 12/75:53 am -
1 stop9h 24m
Thu 12/101:47 pm -
1 stop6h 47m
Deal found 11/4![American Airlines logo]()
$409
This Alaska Airlines deal was found by Cheapflights users on 10/30. 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.
Wed 12/97:00 am -
1 stop11h 00m
Sat 12/127:01 am -
1 stop8h 07m
Deal found 10/30![Alaska Airlines logo]()
$429
One-way flights from Philadelphia to MissoulaSearch for one-way flight options from Philadelphia to Missoula. Find affordable one-way fares based on user searches. Data last updated November 4, 2026.
Search for one-way flight options from Philadelphia to Missoula. Find affordable one-way fares based on user searches. Data last updated November 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/216:30 am -
3 stops36h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Multiple Airlines logo]()
$161
This Delta deal was found by Cheapflights users on 11/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/216:58 pm -
1 stop7h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Delta logo]()
$200
This Delta deal was found by Cheapflights users on 11/2. 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.
Mon 11/163:00 pm -
1 stop6h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Delta logo]()
$235
This Delta deal was found by Cheapflights users on 11/2. 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 11/173:40 pm -
2 stops10h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Delta logo]()
$240
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Wed 11/1812:36 pm -
3 stops22h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Multiple Airlines logo]()
$290
This United Airlines deal was found by Cheapflights users on 11/2. 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 11/1610:54 am -
2 stops12h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![United Airlines logo]()
$300
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 1/15:15 pm -
1 stop18h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Multiple Airlines logo]()
$301
This United Airlines deal was found by Cheapflights users on 11/2. 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.
Fri 1/16:24 am -
2 stops17h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![United Airlines logo]()
$306
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Thu 12/319:07 pm -
3 stops38h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Multiple Airlines logo]()
$314
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Tue 11/178:20 pm -
3 stops38h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Multiple Airlines logo]()
$322
This United Airlines deal was found by Cheapflights users on 11/2. 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.
Thu 12/3110:37 am -
2 stops13h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![United Airlines logo]()
$353
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 November 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $399 (Delta) |
One-way from | $161 (Kiwi.com) |
Popular in | December |
Cheapest in | March |
Average price | $767 |
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 7,457,451 searches. Data last updated November 4, 2026.
Use the filters below to find and compare flights from Philadelphia to Missoula that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PhiladelphiaMissoula
PHL Philadelphia - MSO Missoula Johnson-Bell Field
PHLMSO
Philadelphia
Thu 1/21
6:58 pm-12:47 am
1 stop7h 49m
Missoula Johnson-Bell Field
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$200
PhiladelphiaMissoula
PHL Philadelphia - MSO Missoula Johnson-Bell Field
PHLMSO
Philadelphia
Wed 11/18
5:15 am-12:39 pm
2 stops9h 24m
Missoula Johnson-Bell Field
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$240
PhiladelphiaMissoula
PHL Philadelphia - MSO Missoula Johnson-Bell Field
PHLMSO
Philadelphia
Fri 1/1
6:24 am-9:59 pm
2 stops17h 35m
Missoula Johnson-Bell Field
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$306
PhiladelphiaMissoula
PHL Philadelphia - MSO Missoula Johnson-Bell Field
PHLMSO
Philadelphia
Thu 12/31
10:37 am-9:40 pm
2 stops13h 03m
Missoula Johnson-Bell Field
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$353
Quickest round-trip
PhiladelphiaMissoula
PHL Philadelphia - MSO Missoula Johnson-Bell Field
PHLMSO
Philadelphia
Sun 11/15
6:58 pm-12:20 am
1 stop7h 22m
Missoula Johnson-Bell Field
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$400
PhiladelphiaMissoula
PHL Philadelphia - MSO Missoula Johnson-Bell Field
PHLMSO
Philadelphia
Sun 11/15
9:45 am-9:47 pm
2 stops14h 02m
Missoula Johnson-Bell Field
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$428
PhiladelphiaMissoula
PHL Philadelphia - MSO Missoula Johnson-Bell Field
PHLMSO
Philadelphia
Wed 12/9
7:00 am-4:00 pm
1 stop11h 00m
Missoula Johnson-Bell Field
Sat 12/12
7:01 am-5:08 pm
1 stop8h 07m
$429
PhiladelphiaMissoula
PHL Philadelphia - MSO Missoula Johnson-Bell Field
PHLMSO
Philadelphia
Mon 12/7
6:59 pm-12:32 am
1 stop7h 33m
Missoula Johnson-Bell Field
Thu 12/10
5:25 am-7:30 pm
2 stops12h 05m
$430
PhiladelphiaMissoula
PHL Philadelphia - MSO Missoula Johnson-Bell Field
PHLMSO
Philadelphia
Thu 11/19
6:58 pm-12:20 am
1 stop7h 22m
Missoula Johnson-Bell Field
Sun 11/22
6:18 pm-11:03 am
2 stops14h 45m
$474
PhiladelphiaMissoula
PHL Philadelphia - MSO Missoula Johnson-Bell Field
PHLMSO
Philadelphia
Mon 11/16
5:24 pm-12:25 am
2 stops9h 01m
Missoula Johnson-Bell Field
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$525
Showing 1-10 of 14 resultsSorted by cheapest first
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 November.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- 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 FlightHub the most. FlightHub 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.
PHL-MSO
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?
To ensure you get the cheapest price possible for a flight from Philadelphia to Missoula, you should look to book at least 38 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, March is the cheapest month in which you can book a flight from Philadelphia to Missoula (average of $333). Flying from Philadelphia to Missoula in December is currently the most expensive (average of $820). 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.
How much does it cost to fly round-trip from Philadelphia to Missoula?
Airfare is below average for this route at the moment.
Philadelphia to Missoula flights typically cost between $610 and $958 in December.The cheapest round-trip price found within the last 5 days was $399 on Delta (Dec 7-Dec 10).
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 November 4, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andAmerican 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.
Boarding
8.1
Crew
8.5
Food
7.2
Overall
7.8
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Boarding
8.1
Crew
8.5
Food
7.2
Overall
7.8
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Boarding
8.1
Crew
8.5
Food
7.2
Overall
7.8
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Boarding
8.1
Crew
8.5
Food
7.2
Overall
7.8
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
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.
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Complete your trip
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Other flights to Missoula
Explore flights to Missoula departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on November 4, 2026.
Philadelphia and Missoula flights
Browse other Philadelphia and Missoula flight options. Last updated on November 4, 2026.
Other flights from Philadelphia
Browse through other flights departing from Philadelphia. Flights are based on user searches made on Cheapflights and were last updated on November 4, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 7,457,451 searches. Data last updated November 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$325 | Average$578 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$333 | Average$664 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$368 | Average$581 | FlexibilityNo cancel fee | On-time71% |