A bridge over a river, a town with buildings, and mountains in the background.

$210 Cheap Flights from Philadelphia (PHL) to Missoula (MSO)

Cheap Flights from Philadelphia to Missoula (PHL-MSO)

Prices were available within the past 7 days and start at $210 for one-way flights and $419 for roundtrip, for the period specified. Prices and availability are subject to change.

Alternative airports near Missoula

Prices were available within the past 7 days. Prices and availability are subject to change.

Find the cheapest month to fly from Philadelphia (PHL) to Missoula (MSO)

January is typically the cheapest month to fly

From $398 - $485 per traveler.

Book with confidence

Philadelphia (PHL) to Missoula (MSO) at a glance

Travelers can explore a range of airlines offering flights from Philadelphia (PHL) to Missoula (MSO) on this domestic short-haul journey. Whether you’re looking for budget-friendly options or full-service carriers, you can compare choices to find the best fit for your travel plans and budget. Discover essential information on flights from Philadelphia International Airport to Missoula International Airport as you prepare to experience the unique attractions and neighborhoods of Missoula.

  • Fastest flight duration: around 6h 30m in-flight, plus roughly 1h 15m layover with one stop
  • Route distance: roughly 2,000 miles (3,220 km)
  • Flights per week: around 10 departures on average
  • Typical fares (one-way): economy tickets often range from $160–$445, depending on seasonality and how far ahead you book

Flights from Philadelphia International Airport (PHL) to Missoula International Airport (MSO)

Recent traveler bookings reveal the top airlines flying from Philadelphia to Missoula, primarily favored for their one-stop services. Common layover points include Denver International Airport (DEN) with an average layover of about 1 hour and 15 minutes, O'Hare International Airport (ORD) at approximately 1 hour, and Salt Lake City International Airport (SLC) with around a 1-hour layover. This provides you with the flexibility to consider various pricing, total travel times, and cabin classes to discover the ideal itinerary.

  • United: This full-service airline provides a one-stop travel option, with one-way ticket prices generally between $180 and $510. United represents around 41% of flights on this route, featuring an in-flight duration of 6 hours and 30 minutes and an overall travel time of approximately 7 hours and 45 minutes (including a layover).
  • Delta: As a full-service carrier, Delta offers one-stop service with one-way fares typically ranging from $165 to $440. It accounts for about 26% of departures on this route, boasting a flight time of 6 hours and 30 minutes and a total trip duration of roughly 7 hours and 45 minutes (including a layover).
  • American Airlines: This full-service airline features one-stop service with one-way fares usually between $175 and $410. American Airlines is responsible for around 21% of the departures on this route, with an in-flight time of 6 hours and 30 minutes and a total travel time of approximately 7 hours and 45 minutes (including a layover).
  • Frontier Airlines: As a low-cost option, Frontier offers one-stop service with one-way fares typically between $160 and $270. The airline makes up about 6% of departures on this route, featuring an in-flight duration of 6 hours and 30 minutes and a total journey time of around 7 hours and 45 minutes (including a layover).
  • Alaska Airlines: This full-service airline provides one-stop service with one-way fares generally ranging from $235 to $450. Alaska Airlines accounts for roughly 3% of departures on this route, featuring a flight time of 6 hours and 30 minutes and a total travel duration of about 7 hours and 45 minutes (including a layover).

Travelers flying from Philadelphia to Missoula can enhance their journey by upgrading their seats. Delta offers both first class and premium economy options, while United provides first class seating.

Best time to fly from Philadelphia (PHL) to Missoula (MSO)

The most popular months for travelers flying from Philadelphia to Missoula are June, July, and August, when peak temperatures in Missoula reach up to 69.3°F in July. If you prefer quieter travel, consider February, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 24.6°F. For better deals, September usually offers the lowest average one-way fare around $257. Flight availability peaks in July and August, with approximately 14 flights per week, making it easier to find convenient departure times.

  • Cheapest time to fly: September usually offers good deals with average one-way fare around $257, roughly 17% cheaper than the yearly average.
  • More budget-friendly months to fly: July and October typically offer average one-way fares roughly ranging from $266 to $279.
  • Most flight options: July and August have the highest number of flights from Philadelphia to Missoula, with approximately 14 flights per week, giving you more flexibility in scheduling your trip.
MonthTemperatureDemandWeekly FlightsAverage one-way Fare
January23.7°F (-4.6°C)Average8$287
February24.6°F (-4.1°C)Low7$313
March33.1°F (0.6°C)Average8$342
April39.9°F (4.4°C)Average8$319
May50.7°F (10.4°C)Average9$307
June59.2°F (15.1°C)High12$307
July69.3°F (20.7°C)High14$266
August67.8°F (19.9°C)High14$284
September58.1°F (14.5°C)Average11$257
October43.2°F (6.2°C)Average10$279
November30.9°F (-0.6°C)Low8$409
December23.2°F (-4.9°C)Low7$350

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

How to find the best prices for flights from Philadelphia (PHL) to Missoula (MSO)

Getting some of the best deals on flights from Philadelphia to Missoula is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually available when booking within two weeks, although most travelers tend to book 2 to 8 weeks in advance. Morning departures, from 5 a.m. to 12 p.m., often provide lower prices and are also the most popular flight times. Additionally, flying on Monday generally offers cheaper rates, while Thursday remains the most sought-after travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.* Find Missoula hotel and flight deals.
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Missoula International Airport from Philadelphia International Airport

Missoula welcomes travelers from Philadelphia with a range of transport options based on price, convenience, and proximity. Here's how to reach Missoula efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Missoula, with options including free hotel shuttles and private rides, which can be arranged in advance with your hotel.
  • Car rental: Renting a car from Missoula International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Missoula International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.

Philadelphia to Missoula Flights

The cheapest times to fly from Philadelphia to Missoula

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Philadelphia to Missoula are during the month of November. You can find some of the cheapest flights from Philadelphia to Missoula with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Philadelphia to Missoula

Sunday is one of the best days to book for cheap flights from Philadelphia to Missoula: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Philadelphia to Missoula

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Philadelphia to Missoula in 2026. You can also book with separate airlines for your outbound and return journeys, from $210 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Philadelphia to Missoula flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Philadelphia to Missoula airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently Asked Questions

How much does a flight from Philadelphia, PA (PHL-Philadelphia Intl.) to Missoula, MT (MSO-Missoula Intl.) cost?

You can find cheap one-way flights from $210 and cheap return flights $419 Philadelphia, PA (PHL-Philadelphia Intl.) to Missoula, MT (MSO-Missoula Intl.) with Expedia. One-way flights typically cost between $217 and $1188, and return flights often range between $510 and $2050. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Philadelphia, PA (PHL-Philadelphia Intl.) to Missoula, MT (MSO-Missoula Intl.) ticket fares go up or down.

*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.

What is the cheapest month to fly from Philadelphia, PA (PHL-Philadelphia Intl.) to Missoula, MT (MSO-Missoula Intl.)?

The cheapest month to fly from PHL to MSO is November when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.

Which airlines fly direct from Philadelphia, PA (PHL-Philadelphia Intl.) to Missoula, MT (MSO-Missoula Intl.)?

Enter PHL to MSO and your travel dates, then apply the 'Nonstop' filter to see only direct flights.

What is the cheapest airline that flies from Philadelphia, PA (PHL-Philadelphia Intl.) to Missoula, MT (MSO-Missoula Intl.)?

Frontier Airlines is one of the cheapest airlines offering connecting flights from Philadelphia, PA (PHL) to Missoula, MT (MSO), with round-trip tickets starting from around $364. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.

*Prices based on flights available on Expedia in the last year.

How do I find cheap flights from Philadelphia, PA (PHL-Philadelphia Intl.) to Missoula, MT (MSO-Missoula Intl.)?

To find a cheap flight from Philadelphia, PA (PHL-Philadelphia Intl.) to Missoula, MT (MSO-Missoula Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.

What is the best time to fly from Philadelphia, PA (PHL-Philadelphia Intl.) to Missoula, MT (MSO-Missoula Intl.)?

The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.

What is the earliest flight from Philadelphia, PA (PHL-Philadelphia Intl.) to Missoula, MT (MSO-Missoula Intl.)?

The earliest flight from Philadelphia International Airport (PHL) to Missoula International Airport (MSO) generally departs at around 5:00 AM. This seasonal service is operated by American Airlines, allowing you to start your adventure in Montana bright and early. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.

What are the most popular departure times for flights from Philadelphia, PA (PHL-Philadelphia Intl.) to Missoula, MT (MSO-Missoula Intl.)?

The most popular departure times for flights from Philadelphia Intl. (PHL) to Missoula Intl. (MSO) are from 6am to 9am. About 63% of passengers prefer this time window. Many major carriers, including United Airlines, American Airlines, and Alaska Airlines, offer flights during this window. This timing works well because it allows travelers to start their day fresh and arrive in Missoula with ample time for activities.

How long does it take to fly from Philadelphia, PA (PHL-Philadelphia Intl.) to Missoula, MT (MSO-Missoula Intl.)?

Flights from PHL to MSO with one stop typically take around 7 hours 30 minutes, covering approximately 1,988 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.

Can you fly business or first class from Philadelphia, PA (PHL-Philadelphia Intl.) to Missoula, MT (MSO-Missoula Intl.)?

You can fly first class between PHL and MSO. First class cabins are available on:

  • Delta Air Lines
  • American Airlines
  • United Airlines

How do I earn miles on a Philadelphia, PA (PHL-Philadelphia Intl.) to Missoula, MT (MSO-Missoula Intl.) flight with Expedia?

It's easy to earn miles on a Philadelphia, PA (PHL-Philadelphia Intl.) to Missoula, MT (MSO-Missoula Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.

*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.

What airports do you fly into for Missoula from Philadelphia Intl. (PHL)?

From Philadelphia Intl. (PHL), you can fly into Missoula Intl. (MSO) to reach Missoula. Some flights may connect through major hubs like O'Hare Intl. (ORD), Washington Dulles Intl. (IAD), George Bush Intercontinental (IAH) before reaching Missoula. Compare routes and airports on Expedia to find the best flight options for your travel plans.

Is it cheaper to buy a plane ticket from Philadelphia, PA (PHL-Philadelphia Intl.) to Missoula, MT (MSO-Missoula Intl.) at the last minute?

Typically, booking a last minute flight from Philadelphia, PA (PHL-Philadelphia Intl.) to Missoula, MT (MSO-Missoula Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.

Is it cheaper to book a Philadelphia, PA (PHL-Philadelphia Intl.) to Missoula, MT (MSO-Missoula Intl.) flight and hotel package?

Securing a Philadelphia, PA (PHL-Philadelphia Intl.) to Missoula, MT (MSO-Missoula Intl.) Missoula Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.

Can I cancel or change the date of my flight from Philadelphia, PA (PHL-Philadelphia Intl.) to Missoula, MT (MSO-Missoula Intl.)?

If you booked your Philadelphia, PA (PHL-Philadelphia Intl.) to Missoula, MT (MSO-Missoula Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Philadelphia Intl. Airport
Destination airport
Missoula Intl. Airport
Distance
1,987 miles away
Airlines serving
Alaska Airlines, United, American Airlines, Delta
Popular airline
Alaska Airlines
Roundtrip price
$419
*Available to One Key members.