Cheap flights from Great Falls to Portland (GTF - PDX) from $154

This is the cheapest one-way flight price, found on 9/21. Prices may vary by date and flight preferences.
GTF — PDX
Sep 26 — Oct 31

How to find the cheapest flight from Great Falls (GTF) to Portland (PDX)

All the information you need to plan the best GTF to PDX flight in 2023: compare Great Falls to Portland flight prices with the expected peak season, weather and rainfall in Portland.

Popular in

June

Cheapest in

February

Round-trip from

$278

One-way from

$154
High demand for flights, 52% potential price rise
Best time to find cheap flights, 44% potential price drop
From Great Falls to Portland
One-way flight from Great Falls to Portland

GTF - PDX

Price

$278 - $500

PDX

Temperature

41 - 69.8 °F

PDX

Rainfall

0.7 - 5.6 inches

What is the cheapest month to fly from Great Falls to Portland?

February is one of the best times of the year to fly to Portland from Great Falls. Prices for February average $517 per person but you can even find prices for as low as $218. The most expensive prices can be found in the month of June. Opting for a February flight can save you 106% on your journey compared to booking in June

When is the cheapest time to fly from Great Falls to Portland (GTF - PDX)?

When flying from Great Falls to Portland, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 15% versus a flight in the morning.

Cheap Delta flights from Great Falls to Portland

Cheap Great Falls to Portland flights in September & October 2023

The best prices found for GTF to PDX flights for September, October

Great Falls to Portland 2023 flight deals

Cheap flights to Portland from Great Falls found for this year

One-way flights to Portland from Great Falls

The cheapest one-way flights from Great Falls to Portland

Find flights from Great Falls to Portland within your budget

Use the slider to find flights from Great Falls to Portland that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$305 - $547

Route

Depart

Return

Price

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Wed 10/25

2 stops12h 10m

Portland

Wed 11/1

2 stops6h 28m

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Wed 10/25

2 stops6h 24m

Portland

Wed 11/1

1 stop4h 43m

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Wed 10/25

1 stop4h 53m

Portland

Wed 11/1

1 stop4h 53m

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Fri 1/5

2 stops9h 12m

Portland

Wed 1/10

2 stops8h 17m

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Thu 11/2

2 stops9h 24m

Portland

Sun 11/5

1 stop4h 53m

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Thu 11/2

2 stops9h 24m

Portland

Sun 11/5

2 stops11h 13m

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Tue 12/19

1 stop6h 00m

Portland

Tue 1/2

1 stop6h 55m

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Tue 12/19

1 stop6h 00m

Portland

Tue 1/2

2 stops11h 19m

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Tue 12/19

2 stops9h 12m

Portland

Tue 1/2

2 stops11h 19m

Flights are sorted by cheapest first

Deals found on 9/20

Reviews of airlines servicing Portland

Delta
7.9
Good
3,016 reviews

Entertainment

7.8

Overall

7.9

Comfort

7.9

Crew

8.5

Food

7.2

Boarding

8.0

Reviews

1 / 10

In the boarding area at La Guardia, there are charging stations for electronics but the electric outlets do not work on many of the stations.

Delta
7.9
Good
3,016 reviews
Delta
7.9
Good
3,016 reviews

Entertainment

7.8

Overall

7.9

Comfort

7.9

Crew

8.5

Food

7.2

Boarding

8.0

Reviews

1 / 10

In the boarding area at La Guardia, there are charging stations for electronics but the electric outlets do not work on many of the stations.

United Airlines
7.4
Good
1,887 reviews
Delta
7.9
Good
3,016 reviews

Entertainment

7.8

Overall

7.9

Comfort

7.9

Crew

8.5

Food

7.2

Boarding

8.0

Reviews

1 / 10

In the boarding area at La Guardia, there are charging stations for electronics but the electric outlets do not work on many of the stations.

Related info for your journey

Useful info, stats and facts about Great Falls to Portland flights.

Can I find flights from Great Falls to Portland for under $400 on Cheapflights?

Yes, there are multiple flights from Great Falls to Portland for under $400. The cheapest flight booked recently is on Delta for just $305, but on average you can expect to pay $480.

What is the cheapest airline to fly from Great Falls to Portland round-trip?

Currently priced at $305, Delta will fly you from Great Falls to Portland and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Delta is 41% cheaper than the average price of flights available within the next 90 days to this destination.

What does GTF to PDX mean?

These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Great Falls Airport to Portland Airport flight would often be abbreviated as a GTF to PDX flight.

Alternative routes for Great Falls to Portland

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Great Falls to Portland

The chart below displays the airlines Cheapflights users traveling from Great Falls to Portland choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$218Average$375FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
DeltaCheapest$288Average$379FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
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