$709+ Cheap flights from Erie to Missoula (ERI - 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 9/27. Fares are subject to change and may not be available on all flights or dates of travel.
ERI — MSO
Aug 19 — Aug 261
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Erie 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 Erie to Missoula
Discover tips and strategies to find the most affordable flight options for your journey from Erie (ERI) 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 August 14, 2025.
Round-trip from | $709 (American Airlines) |
|---|
Find flight deals from Erie to Missoula
Cheapest flights from Erie to MissoulaExplore the most affordable flight options available from Erie to Missoula. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.
Explore the most affordable flight options available from Erie to Missoula. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.
This American Airlines deal was found by Cheapflights users on 8/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/276:00 amERI - MSO
2 stops19h 18mAmerican Airlines
Wed 10/16:40 amMSO - ERI
2 stops12h 48mAmerican Airlines
Deal found 8/11![American Airlines logo]()
$709
This American Airlines deal was found by Cheapflights users on 8/12. 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.
Sat 10/46:00 amERI - MSO
2 stops19h 18mAmerican Airlines
Tue 10/71:31 pmMSO - ERI
2 stops30h 27mAmerican Airlines
Deal found 8/12![American Airlines logo]()
$873
Cheapflights Fare Finder
Customize your flight search to find flights from Erie 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 August 14, 2025.
Use the filters below to find and compare flights from Erie to Missoula that are best for you.
Fly from
Erie
Fly to
Missoula
Route
Depart
Return
Price
ErieMissoula
ERI - MSO
ERIMSO
Erie
Sat 9/27
6:00 am-11:18 pm
2 stops19h 18m
Missoula Johnson-Bell Field
Wed 10/1
6:40 am-9:28 pm
2 stops12h 48m
$709
ErieMissoula
ERI - MSO
ERIMSO
Erie
Sat 10/4
6:00 am-11:18 pm
2 stops19h 18m
Missoula Johnson-Bell Field
Tue 10/7
1:31 pm-9:58 pm
2 stops30h 27m
$873
Best time to book a flight from Erie to Missoula
Have a flexible travel schedule? Discover the best time to fly to Missoula from Erie 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 Erie to Missoula
What is the cheapest month to book a flight from Erie to Missoula?
Currently, October is the cheapest month in which you can book a flight from Erie to Missoula (average of $365). Flying from Erie 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.