HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Missoula

$171+ 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 7/29. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — MSO
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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.

Cheapflights Tip: The best prices from Philadelphia to Missoula Johnson-Bell Field are usually found in January or February, booked 24 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 12, 2025.

Round-trip from

$285
(Mytrip)

One-way from

$171
(American Airlines)

Popular in

December

Cheapest in

January

Average price

$593
From Philadelphia to Missoula Johnson-Bell Field
Search Deals
One-way flight from Philadelphia to Missoula Johnson-Bell Field
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($90 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($38 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

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 12, 2025.

This Mytrip deal was found by Cheapflights users on 6/11. 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.
Thu 6/2610:42 amPHL - MSO
1 stop30h 54mMultiple Airlines
Mon 6/3010:07 pmMSO - PHL
2 stops30h 53mMultiple Airlines
Deal found 6/11$285
This Delta deal was found by Cheapflights users on 6/11. 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 9/156:40 pmPHL - MSO
1 stop7h 51mDelta
Fri 9/196:10 pmMSO - PHL
1 stop9h 36mDelta
Deal found 6/11$325
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Thu 7/106:15 amPHL - MSO
1 stop10h 50mAmerican Airlines
Mon 7/141:47 pmMSO - PHL
1 stop9h 12mAmerican Airlines
Deal found 6/12$366
This United Airlines deal was found by Cheapflights users on 6/10. 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 7/226:30 amPHL - MSO
1 stop7h 08mUnited Airlines
Tue 7/224:23 pmMSO - PHL
1 stop11h 03mUnited Airlines
Deal found 6/10$372
This Frontier deal was found by Cheapflights users on 6/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/166:15 amPHL - MSO
1 stop7h 40mFrontier
Fri 6/2012:40 pmMSO - PHL
1 stop7h 30mFrontier
Deal found 6/11$409
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/107:20 amPHL - MSO
1 stop9h 58mAlaska Airlines
Sun 9/144:14 pmMSO - PHL
1 stop11h 46mAlaska Airlines
Deal found 6/10$418

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 12, 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

Thu 6/26

10:42 am-3:36 pm

1 stop30h 54m

Missoula Johnson-Bell Field

Mon 6/30

10:07 pm-7:00 am

2 stops30h 53m

$285

PhiladelphiaMissoula

PHL - MSO

PHLMSO

Philadelphia

Mon 9/15

6:40 pm-12:31 am

1 stop7h 51m

Missoula Johnson-Bell Field

Fri 9/19

6:10 pm-5:46 am

1 stop9h 36m

$325

PhiladelphiaMissoula

PHL - MSO

PHLMSO

Philadelphia

Thu 7/10

6:15 am-3:05 pm

1 stop10h 50m

Missoula Johnson-Bell Field

Mon 7/14

1:47 pm-12:59 am

1 stop9h 12m

$366

PhiladelphiaMissoula

PHL - MSO

PHLMSO

Philadelphia

Tue 7/22

6:30 am-11:38 am

1 stop7h 08m

Missoula Johnson-Bell Field

Tue 7/22

4:23 pm-5:26 am

1 stop11h 03m

$372

PhiladelphiaMissoula

PHL - MSO

PHLMSO

Philadelphia

Thu 7/10

1:02 pm-11:54 am

1 stop24h 52m

Missoula Johnson-Bell Field

Mon 7/14

12:40 pm-5:09 am

1 stop14h 29m

$416

PhiladelphiaMissoula

PHL - MSO

PHLMSO

Philadelphia

Wed 9/10

7:20 am-3:18 pm

1 stop9h 58m

Missoula Johnson-Bell Field

Sun 9/14

4:14 pm-6:00 am

1 stop11h 46m

$418

PhiladelphiaMissoula

PHL - MSO

PHLMSO

Philadelphia

Tue 7/29

5:00 am-12:57 pm

1 stop9h 57m

$171

PhiladelphiaMissoula

PHL - MSO

PHLMSO

Philadelphia

Thu 7/3

2:38 pm-3:30 pm

2 stops26h 52m

$175

PhiladelphiaMissoula

PHL - MSO

PHLMSO

Philadelphia

Tue 7/29

2:41 pm-12:24 am

2 stops11h 43m

$176

PhiladelphiaMissoula

PHL - MSO

PHLMSO

Philadelphia

Mon 6/30

6:15 am-11:55 am

1 stop7h 40m

$190

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 11 results
1
2

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 9, 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 12, 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.

Rainfall in Missoula by month

Plan your trip to Missoula by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Missoula ranges from 0.7 - 2.1 inches per month. June is typically the wettest month, when rainfall can reach 2.1 in. February is typically the driest time to visit Missoula when rainfall is around 0.7 in.

Temperature in Missoula by month

Plan your trip to Missoula by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Missoula, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 24.8 F).

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 12, 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. In addition to providing an overall rating, 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

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

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

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

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
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

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
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

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

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Frontier
6.0
Okay
3,295 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

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), American Airlines ($366), and United Airlines ($372) 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 American Airlines, which is currently one of the cheapest options available, starting at $171. Delta flights start at $176 while deals on Frontier start at $190 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

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 for Philadelphia to Missoula

See prices for flight routes from nearby airports that may be better suited for you.
Newark to Bozeman flights
John F Kennedy Intl to Bozeman flights
LaGuardia to Bozeman flights
Dulles Intl to Bozeman flights
John F Kennedy Intl to Kalispell flights
Newark to Kalispell flights
LaGuardia to Kalispell flights
Reagan-National to Bozeman flights
John F Kennedy Intl to Missoula flights
Dulles Intl to Kalispell flights
Philadelphia to Bozeman flights
Newark to Missoula flights
Philadelphia to Kalispell flights
LaGuardia to Missoula flights
Reagan-National to Kalispell flights
Dulles Intl to Missoula flights
Pittsburgh to Bozeman flights
Harrisburg to Missoula flights
Reagan-National to Missoula flights
Pittsburgh to Kalispell flights
Dulles Intl to Billings flights
Pittsburgh to Missoula flights
Newark to Great Falls flights
John F Kennedy Intl to Great Falls flights
Reagan-National to Billings flights
John F Kennedy Intl to Billings flights
Harrisburg to Bozeman flights
Newark to Billings flights
Dulles Intl to Great Falls flights
LaGuardia to Billings flights
LaGuardia to Great Falls flights
Philadelphia to Great Falls flights
Newark to West Yellowstone flights
Reagan-National to Great Falls flights
John F Kennedy Intl to West Yellowstone flights
Newark to Cody flights
LaGuardia to Cody flights
LaGuardia to West Yellowstone flights
Allentown to Billings flights
Dulles Intl to Helena flights
Allentown to Bozeman flights
LaGuardia to Helena flights
John F Kennedy Intl to Helena flights
Newark to Helena flights
Dulles Intl to West Yellowstone flights
Philadelphia to Billings flights
Philadelphia to West Yellowstone flights
Pittsburgh to Billings flights
Philadelphia to Helena flights

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 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$82Average$280FlexibilityNo cancel feeOn-time62%
DeltaCheapest$382Average$577FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$410Average$622FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$436Average$565FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.