Cheap flights from Great Falls to Portland from $277
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Great Falls to Portland departing on 10/26. 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 Great Falls to Portland
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Fly from
Fly to
Route
Depart
Return
Great FallsPortland
GTF Great Falls - PDX Portland
GTFPDX
Great Falls
Wed 1/27
4:08 pm-8:40 am
1 stop17h 32m
Portland
Sat 1/30
5:25 am-3:28 pm
1 stop9h 03m
Great FallsPortland
GTF Great Falls - PDX Portland
GTFPDX
Great Falls
Wed 1/27
4:08 pm-9:50 am
2 stops18h 42m
Portland
Sat 1/30
8:30 am-3:28 pm
1 stop5h 58m
Great FallsPortland
GTF Great Falls - PDX Portland
GTFPDX
Great Falls
Wed 1/27
4:08 pm-8:40 am
1 stop17h 32m
Portland
Sat 1/30
7:30 am-3:28 pm
2 stops6h 58m
Great FallsPortland
GTF Great Falls - PDX Portland
GTFPDX
Great Falls
Wed 1/27
4:08 pm-7:50 pm
1 stop4h 42m
Portland
Sat 1/30
6:25 am-3:28 pm
1 stop8h 03m
Great FallsPortland
GTF Great Falls - PDX Portland
GTFPDX
Great Falls
Sat 11/7
5:10 pm-11:00 pm
1 stop6h 50m
Portland
Sat 11/14
12:04 pm-4:30 pm
1 stop3h 26m
Great FallsPortland
GTF Great Falls - PDX Portland
GTFPDX
Great Falls
Wed 1/27
4:08 pm-1:48 pm
2 stops22h 40m
Portland
Sat 1/30
5:25 am-3:28 pm
1 stop9h 03m
Great FallsPortland
GTF Great Falls - PDX Portland
GTFPDX
Great Falls
Wed 12/2
1:19 pm-10:06 pm
2 stops9h 47m
Portland
Wed 12/9
5:45 am-12:39 pm
1 stop5h 54m
Great FallsPortland
GTF Great Falls - PDX Portland
GTFPDX
Great Falls
Sat 11/7
5:40 am-11:49 am
2 stops7h 09m
Portland
Sat 11/14
9:16 am-5:39 pm
2 stops7h 23m
Great FallsPortland
GTF Great Falls - PDX Portland
GTFPDX
Great Falls
Mon 10/26
5:40 am-8:50 am
1 stop4h 10m
Portland
Wed 10/28
5:15 pm-10:29 pm
1 stop4h 14m
Great FallsPortland
GTF Great Falls - PDX Portland
GTFPDX
Great Falls
Mon 10/26
1:18 pm-9:56 pm
2 stops9h 38m
Portland
Wed 10/28
5:33 am-12:38 pm
1 stop6h 05m
See travel insights to Portland from
How to get the cheapest flight ticket from Great Falls to Portland
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 Portland?
The cheapest month to fly to Portland from Great Falls is in March. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in March, then you should wait until May to fly from Great Falls, when ticket prices are also cheap, with an average price of $284.
Can stopping save me money on Great Falls to Portland flights?
You could potentially save up to 5% on your flight if you consider stops on a Great Falls to Portland flight.
When to book flights from Great Falls to Portland
Cheap Great Falls to Portland (GTF to PDX) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Great Falls to Portland
Frequently asked questions about flying from Great Falls to Portland
How far is Great Falls to Portland by plane?
Great Falls and Portland are 556.9 mi apart from one another. A reasonable flight in good conditions will take 4h 10m.
When did momondo last update prices for flights from Great Falls Airport to Portland Airport?
Prices for flights from Great Falls Airport to Portland Airport refresh daily.
How many operators does momondo search for flights from Great Falls Airport to Portland Airport?
The number of operators available for flights from Great Falls Airport to Portland Airport is 2 as of October 2026.
How old do you have to be to fly from Great Falls Airport to Portland Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Great Falls Airport to Portland Airport.
What documentation or ID do you need to fly to Portland Airport?
The travel and health documents you'll need for your trip to Portland Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Portland Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Great Falls to Portland?
Based on momondo bookings for flights between Great Falls and Portland, the leading airline is Alaska Airlines, making up 58% of the total bookings. Other popular airlines include Delta with 42%.
Best airlines flying from Great Falls to Portland
Compare and see reviews for airlines that fly from Great Falls to Portland with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $222 | Free Cancellation | Rating 7.8 8,646 reviews | |||
| PriceFrom $284 | Free Cancellation | Rating 7.9 13,038 reviews |
Traveling to a place near Portland?
Book flights to Portland if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Great Falls to Portland?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Portland from Great Falls.
Can I find flights from Great Falls to Portland with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Portland from Great Falls with this policy.
How can momondo help me find flights from Great Falls to Portland?
momondo helps you find the best flight between Great Falls and Portland by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Great Falls to Portland right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Portland, momondo offers a useful price alert feature which will track prices for flights to Portland from Great Falls and alert you when they change.