Trip.com
>
Flights
>
Flights to United States
>
Flights to Montana
>
Flights to Great Falls
>
Flights from Portland to Great Falls

Cheap flight deals from Portland to Great Falls

We've found these cheap flights for you. You can book one-way or round-trip flight tickets.

  • Round-trip
  • One way

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

When is the cheapest time to fly from Portland to Great Falls?

We monitor flight fares to help you find the best deals effortlessly

Cheapest flights
From price
Search
  • 6 13
  • 13 20
  • 20 27

  • May

    27 4
  • 4 11
  • 11 18
  • 18 25

  • Jun

    25 1
  • 1 8
  • 8 15
  • 15 22
  • 22 29
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • When are flight tickets from Portland (PDX) to Great Falls (GTF) the cheapest?

    Airlines adjust prices for flights from Portland to Great Falls based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from Portland (PDX) to Great Falls (GTF) cost?

    According to Trip.com's data, the lowest price is around AED 1,869.

  • How many airports are there in Great Falls (GTF)?

    There are 1 airport(s) near Great Falls (GTF): Great Falls International Airport.

How to find a cheap flight from Portland to Great Falls

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Portland to Great Falls. Book your flights at the right time and save more.
1
Being flexible with your dates to get the cheapest Portland to Great Falls ticket.
Tap "Date" on flight search bar to scan through the calender for Portland to Great Falls airfare over next 6 months in 2025. If you would like to fly in next 3 months, it seems the cheapest date is on Tue, Apr 15 at AED 389 for one-way flights.
2
Compare cheap Portland to Great Falls flight deals from over hundreds of airlines.
Our extensive search allows you to compare prices from over 500 airlines to choose the cheapest flight tickets from Portland to Great Falls. The cheapest airline operating is Delta Air Lines.
3
Set up a Price Alert
By setting up a Price Alert for your Portland to Great Falls route, you can easily track the price of your airline tickets from without manually checking every day.
4
Don't miss cheap Portland to Great Falls flight deals and promo codes.
You can always get the latest deals through Trip.com Deals and Promo Codes for cheap flights. If registering a free membership, you can receive more deals for your flights.
5
Book early or wait unitl the last minute.
It's always better to book early. Flight tickets tend to be the cheapest when they are first released, normally about a year before the departure date. So, check online as soon as the flights you want become available. If you miss the cheapest time, you can still find lower-priced tickets as the flight date approaches.
6
Search for flights on the go.
To get the best flight booking experience on the go, download Trip.com and search for cheap flight tickets from Portland to Great Falls to get exclusive deals for you.

Flight Info | Portland to Great Falls

Cheapest one-way flight price AED 388
Off-season for travel May
Peak season for travel February
Flight distance 883.96 km
Popular airline Alaska Airlines

More Travel Options

  • Top Routes from Portland
  • Top Routes to Great Falls
  • Trending Airlines