Cheap flights from Portland to Great Falls from $177
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Great Falls departing on 8/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Alaska Airlines flights from Portland to Great Falls
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Delta flights from Portland to Great Falls
Our best Delta deals on Portland to Great Falls flight tickets
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How to get the cheapest flight ticket from Portland to Great Falls
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Great Falls?
The month of June is another great option to travel to Great Falls, with average flight prices from Portland averaging around $329.
What is the cheapest day to depart on your flight to Great Falls?
The cheapest day to depart on your flight to Great Falls is on a Saturday when prices can be found for as low as $307. This is often the case because there is less demand to fly during this day of the week. On the other hand, Thursday is the most expensive day to depart from Portland because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $428.
When to book flights from Portland to Great Falls
Cheap Portland to Great Falls (PDX to GTF) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Portland to Great Falls
How far is Portland to Great Falls by plane?
Portland and Great Falls are 556.9 mi apart from one another. 3h 16m is a normal flight duration for this route.
When did momondo last update prices for flights from Portland Airport to Great Falls Airport?
Prices for flights from Portland Airport to Great Falls Airport refresh daily.
How many operators does momondo search for flights from Portland Airport to Great Falls Airport?
The number of operators available for flights from Portland Airport to Great Falls Airport is 2 as of June 2025.
How old do you have to be to fly from Portland Airport to Great Falls Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Great Falls Airport.
What documentation or ID do you need to fly to Great Falls Airport?
The required travel and health documents for your Great Falls Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Great Falls Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Portland to Great Falls?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Portland to Great Falls is Delta (59% of total bookings). The next most popular airline is Alaska Airlines (41%).
Best airlines flying from Portland to Great Falls
Compare and see reviews for airlines that fly from Portland to Great Falls with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $244 | Free Cancellation | Rating 8.0 10,000 reviews | |||
| PriceFrom $290 | Free Cancellation | Rating 8.0 7,950 reviews |
Traveling to a place near Great Falls?
Book flights to Great Falls if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Portland to Great Falls?
It is quick and easy to find Portland to Great Falls flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Great Falls that suits you.
Can I find flights from Portland to Great Falls with flexible booking policies on momondo?
momondo does allow users to show only those flights to Great Falls from Portland which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Portland to Great Falls?
Once you have performed a search for Portland to Great Falls flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Portland to Great Falls right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Great Falls from Portland. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.