Cheap flights from Philadelphia to Missoula (PHL - MSO) from $170

This is the cheapest one-way flight price, found on 9/20. Prices may vary by date and flight preferences.
PHL — MSO
sep. 26 — oct. 31

The best prices from Philadelphia to Missoula Johnson-Bell Field are usually found in April or October, booked 24 days in advance, depart on a Monday or Thursday and return on a Wednesday

How to find the cheapest flight from Philadelphia (PHL) to Missoula (MSO)

All the information you need to plan the best PHL to MSO flight in 2023: compare Philadelphia to Missoula flight prices with the expected peak season, weather and rainfall in Missoula.

Popular in

March

Cheapest in

April

Average price

$663

Round-trip from

$377
High demand for flights, 12% potential price rise
Best time to find cheap flights, 30% potential price drop
Average for round-trip flights in September 2023
From Philadelphia to Missoula Johnson-Bell Field

PHL - MSO

Price

$377 - $741

MSO

Temperature

24.8 - 68 °F

MSO

Rainfall

0.7 - 2.1 inches

What is the cheapest day to fly round-trip from Philadelphia to Missoula?

Travelers have found that booking a Monday departure is the best way to save up to 70% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

How far in advance should I book a flight from Philadelphia to Missoula?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 25 days in advance, which can save you up to 38% on flights from Philadelphia to Missoula compared to booking the week you need them. Waiting 25 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $764. For sooner than that we have options available in the next 3 days from $897.

What is the cheapest month to fly from Philadelphia to Missoula?

Due to multiple factors, expect to potentially pay more when booking in March. For low rates, April can be a great choice for travel to Missoula. Flights to Missoula from Philadelphia in April are about $642 on average during April, but can be found for as low as $359.

When is the cheapest time to fly from Philadelphia to Missoula (PHL - MSO)?

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 36% on your trip compared to booking a flight at noon.

Cheap United Airlines flights from Philadelphia to Missoula

Check out some of the cheapest United Airlines flights we've come across from Philadelphia to Missoula. Come back soon if you're not finding the exact deal you're looking for.

Cheap Delta flights from Philadelphia to Missoula

Have a look at some of the cheapest available Delta flights departing from Philadelphia and landing in Missoula. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.

Cheap Philadelphia to Missoula flights in September & October 2023

The best prices found for PHL to MSO flights for September, October
The lowest fares we've come across on flights traveling from Philadelphia to Missoula in September and October 2023. If these deals don't appeal to you, be sure to come back soon for more options.

Philadelphia to Missoula 2023 flight deals

Cheap flights to Missoula from Philadelphia found for this year
The lowest fares we've come across on flights traveling from Philadelphia to Missoula in September and October 2023. If these deals don't appeal to you, be sure to come back soon for more options.

Philadelphia to Missoula flights leaving soon

Late deals on return flights to Missoula from Philadelphia, departing today and this week
Have a look at some of the last-minute flights available departing from Philadelphia to Missoula. To prevent any unwanted surprises, users should verify their flight info before booking.

One-way flights to Missoula from Philadelphia

The cheapest one-way flights from Philadelphia to Missoula
Some of the best available deals we've found on one-way flights from Philadelphia to Missoula. Those seeking round-trip flights from Philadelphia to Missoula should utilize the search form at the the top of the page.

Find flights from Philadelphia to Missoula within your budget

Use the slider to find flights from Philadelphia to Missoula that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$471 - $520

Route

Depart

Return

Price

PhiladelphiaMissoula Johnson-Bell Field

PHL - MSO

PHLMSO

Philadelphia

vie. 10/20

1 stop18h 58m

Missoula Johnson-Bell Field

vie. 10/27

1 stop26h 54m

PhiladelphiaMissoula Johnson-Bell Field

PHL - MSO

PHLMSO

Philadelphia

vie. 10/20

1 stop16h 19m

Missoula Johnson-Bell Field

vie. 10/27

2 stops22h 01m

PhiladelphiaMissoula Johnson-Bell Field

PHL - MSO

PHLMSO

Philadelphia

sáb. 10/14

1 stop11h 10m

Missoula Johnson-Bell Field

sáb. 10/21

1 stop28h 26m

PhiladelphiaMissoula Johnson-Bell Field

PHL - MSO

PHLMSO

Philadelphia

jue. 10/19

2 stops27h 13m

Missoula Johnson-Bell Field

jue. 10/26

3 stops30h 51m

PhiladelphiaMissoula Johnson-Bell Field

PHL - MSO

PHLMSO

Philadelphia

mié. 11/8

1 stop8h 28m

Missoula Johnson-Bell Field

dom. 11/12

1 stop9h 17m

PhiladelphiaMissoula Johnson-Bell Field

PHL - MSO

PHLMSO

Philadelphia

mié. 11/8

2 stops9h 31m

Missoula Johnson-Bell Field

dom. 11/12

1 stop9h 17m

PhiladelphiaMissoula Johnson-Bell Field

PHL - MSO

PHLMSO

Philadelphia

vie. 10/20

2 stops17h 42m

Missoula Johnson-Bell Field

vie. 10/27

2 stops17h 51m

PhiladelphiaMissoula Johnson-Bell Field

PHL - MSO

PHLMSO

Philadelphia

jue. 11/23

2 stops13h 50m

Missoula Johnson-Bell Field

mié. 11/29

2 stops9h 20m

PhiladelphiaMissoula Johnson-Bell Field

PHL - MSO

PHLMSO

Philadelphia

mar. 10/17

2 stops17h 42m

Missoula Johnson-Bell Field

sáb. 10/28

1 stop20h 11m

Flights are sorted by cheapest first

Deals found on 9/20

Reviews of airlines servicing Missoula

Get a feel of what it's like to fly with United Airlines, Delta and American 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.
Delta
7.9
Good
3,016 reviews

Crew

8.5

Food

7.2

Boarding

8.0

Entertainment

7.8

Overall

7.9

Comfort

7.9

Reviews

1 / 10

Most importantly it was on time, then great crew, great service and comfortable.

Delta
7.9
Good
3,016 reviews
Delta
7.9
Good
3,016 reviews

Crew

8.5

Food

7.2

Boarding

8.0

Entertainment

7.8

Overall

7.9

Comfort

7.9

Reviews

1 / 10

Most importantly it was on time, then great crew, great service and comfortable.

United Airlines
7.4
Good
1,887 reviews
Delta
7.9
Good
3,016 reviews

Crew

8.5

Food

7.2

Boarding

8.0

Entertainment

7.8

Overall

7.9

Comfort

7.9

Reviews

1 / 10

Most importantly it was on time, then great crew, great service and comfortable.

American Airlines
7.2
Good
2,635 reviews
Delta
7.9
Good
3,016 reviews

Crew

8.5

Food

7.2

Boarding

8.0

Entertainment

7.8

Overall

7.9

Comfort

7.9

Reviews

1 / 10

Most importantly it was on time, then great crew, great service and comfortable.

Related info for your journey

Useful info, stats and facts about Philadelphia to Missoula flights.

Can I find flights from Philadelphia to Missoula for under $500 on Cheapflights?

Yes, there are multiple flights from Philadelphia to Missoula for under $500. The cheapest flight booked recently is on United Airlines for just $471, but on average you can expect to pay $533.

Are there last-minute flights available from Philadelphia to Missoula for under $700?

There are currently 9+ open flights from Philadelphia to Missoula within the next 7 days for less than $700.

What are the cheapest airlines flying from Philadelphia to Missoula round-trip?

According to our current data, United Airlines ($471), Delta ($507), and American Airlines ($513) offers the cheapest pricing from Philadelphia to Missoula. United Airlines is currently priced 26% 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 $254. American Airlines flights start at $259 while deals on United Airlines start at $685 one-way.

What are the most popular airlines that fly from Philadelphia to Missoula?

What does PHL to MSO mean?

These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Philadelphia Airport to Missoula Johnson-Bell Field Airport flight would often be abbreviated as a PHL to MSO flight.

Top 3 airlines flying from Philadelphia to Missoula

The chart below displays the airlines Cheapflights users traveling from Philadelphia to Missoula choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$408Average$779FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest$483Average$656FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapest$506Average$634FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
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