$160+ 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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — MSO
Aug 22 — Aug 291
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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
Cheapest
Best
Last-minute
One-way
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 July 23, 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 July 23, 2026.
This Delta deal was found by Cheapflights users on 7/18. 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.
Sat 8/226:54 pm
PHL
- MSO
1 stop6h 53m
Delta
Sat 8/297:13 am
MSO
- PHL
1 stop7h 32m
Delta
Deal found 7/18![Delta logo]()
$369
This Delta deal was found by Cheapflights users on 7/20. 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 8/182:31 pm
PHL
- MSO
2 stops11h 47m
Delta
Mon 8/246:27 pm
MSO
- PHL
1 stop9h 38m
Delta
Deal found 7/20![Delta logo]()
$374
This Alaska Airlines deal was found by Cheapflights users on 7/17. 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.
Tue 9/87:00 am
PHL
- MSO
1 stop10h 17m
Alaska Airlines
Sat 9/124:16 pm
MSO
- PHL
1 stop11h 24m
Alaska Airlines
Deal found 7/17![Alaska Airlines logo]()
$449
This American Airlines deal was found by Cheapflights users on 7/21. 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.
Sun 10/47:00 am
PHL
- MSO
1 stop7h 55m
American Airlines
Wed 10/71:05 pm
MSO
- PHL
1 stop9h 20m
American Airlines
Deal found 7/21![American Airlines logo]()
$453
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 July 23, 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 July 23, 2026.
This Delta deal was found by Cheapflights users on 7/19. 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 9/176:52 pm
PHL
- MSO
1 stop7h 26m
Delta
Sun 9/206:17 pm
MSO
- PHL
1 stop9h 48m
Delta
Deal found 7/19![Delta logo]()
$369
This Alaska Airlines deal was found by Cheapflights users on 7/17. 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.
Tue 9/87:00 am
PHL
- MSO
1 stop10h 17m
Alaska Airlines
Sat 9/124:16 pm
MSO
- PHL
1 stop11h 24m
Alaska Airlines
Deal found 7/17![Alaska Airlines logo]()
$449
This United Airlines deal was found by Cheapflights users on 7/22. 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 9/810:30 am
PHL
- MSO
2 stops13h 01m
United Airlines
Sat 9/126:15 am
MSO
- PHL
2 stops9h 39m
United Airlines
Deal found 7/22![United Airlines logo]()
$569
This Alaska Airlines deal was found by Cheapflights users on 7/18. 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 10/104:06 pm
PHL
- MSO
2 stops22h 20m
Alaska Airlines
Thu 10/157:00 am
MSO
- PHL
1 stop8h 39m
Alaska Airlines
Deal found 7/18![Alaska Airlines logo]()
$581
This Delta deal was found by Cheapflights users on 7/18. 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 9/103:54 pm
PHL
- MSO
2 stops10h 24m
Delta
Sun 9/136:17 pm
MSO
- PHL
2 stops13h 10m
Delta
Deal found 7/18![Delta logo]()
$609
This Alaska Airlines deal was found by Cheapflights users on 7/20. 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 12/127:00 am
PHL
- MSO
1 stop10h 23m
Alaska Airlines
Tue 12/151:15 pm
MSO
- PHL
2 stops14h 12m
Alaska Airlines
Deal found 7/20![Alaska Airlines logo]()
$607
This Alaska Airlines deal was found by Cheapflights users on 7/22. 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.
Tue 8/47:33 am
PHL
- MSO
1 stop10h 36m
Alaska Airlines
Fri 8/145:41 pm
MSO
- PHL
2 stops15h 49m
Alaska Airlines
Deal found 7/22![Alaska Airlines logo]()
$667
Last-minute flights from Philadelphia to MissoulaDiscover last-minute flight deals from Philadelphia to Missoula. Data last updated July 23, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to Missoula. Data last updated July 23, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 7/20. 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 7/276:57 pm
PHL
- MSO
1 stop6h 47m
Delta
Mon 8/36:27 pm
MSO
- PHL
1 stop9h 38m
Delta
Deal found 7/20![Delta logo]()
$454
This Delta deal was found by Cheapflights users on 7/20. 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 8/182:31 pm
PHL
- MSO
2 stops11h 47m
Delta
Mon 8/246:27 pm
MSO
- PHL
1 stop9h 38m
Delta
Deal found 7/20![Delta logo]()
$374
This Delta deal was found by Cheapflights users on 7/18. 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.
Sat 8/226:54 pm
PHL
- MSO
1 stop6h 53m
Delta
Sat 8/297:13 am
MSO
- PHL
1 stop7h 32m
Delta
Deal found 7/18![Delta logo]()
$369
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 July 23, 2026.
Search for one-way flight options from Philadelphia to Missoula. Find affordable one-way fares based on user searches. Data last updated July 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 9/237:10 am
PHL
- MSO
3 stops39h 49m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$160
This Delta deal was found by Cheapflights users on 7/18. 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 9/186:52 pm
PHL
- MSO
1 stop7h 26m
Delta
Deal found 7/18![Delta logo]()
$185
This American Airlines deal was found by Cheapflights users on 7/22. 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.
Wed 9/237:00 am
PHL
- MSO
1 stop7h 55m
American Airlines
Deal found 7/22![American Airlines logo]()
$188
This Delta deal was found by Cheapflights users on 7/22. 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.
Sun 9/207:20 am
PHL
- MSO
1 stop7h 17m
Delta
Deal found 7/22![Delta logo]()
$190
This Delta deal was found by Cheapflights users on 7/22. 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 9/2312:29 pm
PHL
- MSO
2 stops13h 49m
Delta
Deal found 7/22![Delta logo]()
$195
This Delta deal was found by Cheapflights users on 7/20. 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 8/37:00 pm
PHL
- MSO
1 stop7h 18m
Delta
Deal found 7/20![Delta logo]()
$240
This Kiwi.com deal was found by Cheapflights users on 7/19. 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 8/76:49 pm
PHL
- MSO
2 stops40h 45m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$245
This United Airlines deal was found by Cheapflights users on 7/21. 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 9/2110:30 am
PHL
- MSO
2 stops13h 01m
United Airlines
Deal found 7/21![United Airlines logo]()
$256
This Delta deal was found by Cheapflights users on 7/22. 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.
Sat 8/86:54 pm
PHL
- MSO
1 stop6h 53m
Delta
Deal found 7/22![Delta logo]()
$270
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 July 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $369 (Delta) |
One-way from | $160 (Kiwi.com) |
Popular in | December |
Cheapest in | March |
Average price | $698 |
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 July 23, 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
Quickest round-trip
PhiladelphiaMissoula
PHL - MSO
PHLMSO
Philadelphia
Thu 9/17
6:52 pm-12:18 am
1 stop7h 26m
Missoula Johnson-Bell Field
Sun 9/20
6:17 pm-6:05 am
1 stop9h 48m
$369
PhiladelphiaMissoula
PHL - MSO
PHLMSO
Philadelphia
Tue 9/8
7:00 am-3:17 pm
1 stop10h 17m
Missoula Johnson-Bell Field
Sat 9/12
4:16 pm-5:40 am
1 stop11h 24m
$449
PhiladelphiaMissoula
PHL - MSO
PHLMSO
Philadelphia
Tue 9/8
10:30 am-9:31 pm
2 stops13h 01m
Missoula Johnson-Bell Field
Sat 9/12
6:15 am-5:54 pm
2 stops9h 39m
$569
PhiladelphiaMissoula
PHL - MSO
PHLMSO
Philadelphia
Sat 10/10
4:06 pm-12:26 pm
2 stops22h 20m
Missoula Johnson-Bell Field
Thu 10/15
7:00 am-5:39 pm
1 stop8h 39m
$581
PhiladelphiaMissoula
PHL - MSO
PHLMSO
Philadelphia
Sat 12/12
7:00 am-3:23 pm
1 stop10h 23m
Missoula Johnson-Bell Field
Tue 12/15
1:15 pm-5:27 am
2 stops14h 12m
$607
PhiladelphiaMissoula
PHL - MSO
PHLMSO
Philadelphia
Thu 9/10
3:54 pm-12:18 am
2 stops10h 24m
Missoula Johnson-Bell Field
Sun 9/13
6:17 pm-9:27 am
2 stops13h 10m
$609
PhiladelphiaMissoula
PHL - MSO
PHLMSO
Philadelphia
Tue 8/4
7:33 am-4:09 pm
1 stop10h 36m
Missoula Johnson-Bell Field
Fri 8/14
5:41 pm-11:30 am
2 stops15h 49m
$667
Cheapest one-way
PhiladelphiaMissoula
PHL - MSO
PHLMSO
Philadelphia
Fri 9/18
6:52 pm-12:18 am
1 stop7h 26m
$185
Quickest one-way
PhiladelphiaMissoula
PHL - MSO
PHLMSO
Philadelphia
Mon 9/21
6:59 pm-11:42 pm
1 stop6h 43m
$190
PhiladelphiaMissoula
PHL - MSO
PHLMSO
Philadelphia
Sun 9/20
7:20 am-12:37 pm
1 stop7h 17m
$190
Showing 1-10 of 15 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 July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 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 44 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 $807). 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?
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 July 23, 2026.
Get a feel of what it's like to fly with Alaska Airlines,Delta, andUnited 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.
Crew
8.5
Overall
7.9
Entertainment
7.0
Food
7.1
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Crew
8.5
Overall
7.9
Entertainment
7.0
Food
7.1
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Crew
8.5
Overall
7.9
Entertainment
7.0
Food
7.1
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Crew
8.5
Overall
7.9
Entertainment
7.0
Food
7.1
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Crew
8.5
Overall
7.9
Entertainment
7.0
Food
7.1
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Missoula flight routes
Other flight options
Other flights from Philadelphia
Popular flights
Alternative routes for Philadelphia to Missoula
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Missoula by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Philadelphia to Missoula by cabin class
Find flights from Philadelphia to Missoula, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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 July 23, 2026.
Philadelphia and Missoula flights
Browse other Philadelphia and Missoula flight options. Last updated on July 23, 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 July 23, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 July 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$280 | Average$610 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$325 | Average$508 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$340 | Average$550 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$360 | Average$479 | FlexibilityNo cancel fee | On-timeN/A |