Flights from Portland to Great Falls

Cheapest flights from Portland

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Jun 21 - Tue, Jun 24

PDX

Portland Intl.

GTF

Great Falls Intl.

$366 Roundtrip, found 21 hours ago

$366

Roundtrip

found 21 hours ago

Select Delta flight, departing Sat, Jun 21 from Portland Intl. to Great Falls Intl., returning Tue, Jun 24, priced at $366 found 21 hours ago

Sat, Jun 21 - Sun, Jun 22

PDX

Portland Intl.

GTF

Great Falls Intl.

$386 Roundtrip, found 21 hours ago

$386

Roundtrip

found 21 hours ago

Select Delta flight, departing Sat, Jun 21 from Portland Intl. to Great Falls Intl., returning Sun, Jun 22, priced at $386 found 21 hours ago

Tue, Jun 17 - Tue, Jun 24

PDX

Portland Intl.

GTF

Great Falls Intl.

$427 Roundtrip, found 21 hours ago

$427

Roundtrip

found 21 hours ago

Select Delta flight, departing Tue, Jun 17 from Portland Intl. to Great Falls Intl., returning Tue, Jun 24, priced at $427 found 21 hours ago

Tue, Jun 17 - Sat, Jun 21

PDX

Portland Intl.

GTF

Great Falls Intl.

$447 Roundtrip, found 21 hours ago

$447

Roundtrip

found 21 hours ago

Select Delta flight, departing Tue, Jun 17 from Portland Intl. to Great Falls Intl., returning Sat, Jun 21, priced at $447 found 21 hours ago

Thu, Jun 19 - Sun, Jun 22

PDX

Portland Intl.

GTF

Great Falls Intl.

$450 Roundtrip, found 21 hours ago

$450

Roundtrip

found 21 hours ago

Select Delta flight, departing Thu, Jun 19 from Portland Intl. to Great Falls Intl., returning Sun, Jun 22, priced at $450 found 21 hours ago

Fri, Jun 20 - Tue, Jun 24

PDX

Portland Intl.

GTF

Great Falls Intl.

$471 Roundtrip, found 21 hours ago

$471

Roundtrip

found 21 hours ago

Select Delta flight, departing Fri, Jun 20 from Portland Intl. to Great Falls Intl., returning Tue, Jun 24, priced at $471 found 21 hours ago

Tue, Jun 17 - Fri, Jun 20

PDX

Portland Intl.

GTF

Great Falls Intl.

$477 Roundtrip, found 21 hours ago

$477

Roundtrip

found 21 hours ago

Select Delta flight, departing Tue, Jun 17 from Portland Intl. to Great Falls Intl., returning Fri, Jun 20, priced at $477 found 21 hours ago

Mon, Jun 16 - Tue, Jun 24

PDX

Portland Intl.

GTF

Great Falls Intl.

$481 Roundtrip, found 21 hours ago

$481

Roundtrip

found 21 hours ago

Select Delta flight, departing Mon, Jun 16 from Portland Intl. to Great Falls Intl., returning Tue, Jun 24, priced at $481 found 21 hours ago

Fri, Jun 20 - Sun, Jun 22

PDX

Portland Intl.

GTF

Great Falls Intl.

$491 Roundtrip, found 21 hours ago

$491

Roundtrip

found 21 hours ago

Select Delta flight, departing Fri, Jun 20 from Portland Intl. to Great Falls Intl., returning Sun, Jun 22, priced at $491 found 21 hours ago

Thu, Jun 19 - Sun, Jun 22

PDX

Portland Intl.

GTF

Great Falls Intl.

$496 Roundtrip, found 21 hours ago

$496

Roundtrip

found 21 hours ago

Select Delta flight, departing Thu, Jun 19 from Portland Intl. to Great Falls Intl., returning Sun, Jun 22, priced at $496 found 21 hours ago

Mon, Jun 16 - Sat, Jun 21

PDX

Portland Intl.

GTF

Great Falls Intl.

$501 Roundtrip, found 21 hours ago

$501

Roundtrip

found 21 hours ago

Select Delta flight, departing Mon, Jun 16 from Portland Intl. to Great Falls Intl., returning Sat, Jun 21, priced at $501 found 21 hours ago

Thu, Jun 19 - Sun, Jun 22

PDX

Portland Intl.

GTF

Great Falls Intl.

$512 Roundtrip, found 21 hours ago

$512

Roundtrip

found 21 hours ago

Select Delta flight, departing Thu, Jun 19 from Portland Intl. to Great Falls Intl., returning Sun, Jun 22, priced at $512 found 21 hours ago

Wed, Jun 18 - Tue, Jun 24

PDX

Portland Intl.

GTF

Great Falls Intl.

$532 Roundtrip, found 21 hours ago

$532

Roundtrip

found 21 hours ago

Select Delta flight, departing Wed, Jun 18 from Portland Intl. to Great Falls Intl., returning Tue, Jun 24, priced at $532 found 21 hours ago

Thu, Jun 19 - Sun, Jun 22

PDX

Portland Intl.

GTF

Great Falls Intl.

$540 Roundtrip, found 21 hours ago

$540

Roundtrip

found 21 hours ago

Select Delta flight, departing Thu, Jun 19 from Portland Intl. to Great Falls Intl., returning Sun, Jun 22, priced at $540 found 21 hours ago

Thu, Jun 19 - Sun, Jun 22

PDX

Portland Intl.

GTF

Great Falls Intl.

$547 Roundtrip, found 21 hours ago

$547

Roundtrip

found 21 hours ago

Select Delta flight, departing Thu, Jun 19 from Portland Intl. to Great Falls Intl., returning Sun, Jun 22, priced at $547 found 21 hours ago

Wed, Jun 18 - Sat, Jun 21

PDX

Portland Intl.

GTF

Great Falls Intl.

$552 Roundtrip, found 21 hours ago

$552

Roundtrip

found 21 hours ago

Select Delta flight, departing Wed, Jun 18 from Portland Intl. to Great Falls Intl., returning Sat, Jun 21, priced at $552 found 21 hours ago

Thu, Jun 19 - Sun, Jun 22

PDX

Portland Intl.

GTF

Great Falls Intl.

$563 Roundtrip, found 21 hours ago

$563

Roundtrip

found 21 hours ago

Select Delta flight, departing Thu, Jun 19 from Portland Intl. to Great Falls Intl., returning Sun, Jun 22, priced at $563 found 21 hours ago

Wed, Jun 18 - Thu, Jun 19

PDX

Portland Intl.

GTF

Great Falls Intl.

$567 Roundtrip, found 21 hours ago

$567

Roundtrip

found 21 hours ago

Select Hawaiian Airlines flight, departing Wed, Jun 18 from Portland Intl. to Great Falls Intl., returning Thu, Jun 19, priced at $567 found 21 hours ago

Thu, Jun 19 - Sun, Jun 22

PDX

Portland Intl.

GTF

Great Falls Intl.

$833 Roundtrip, found 21 hours ago

$833

Roundtrip

found 21 hours ago

Select United flight, departing Thu, Jun 19 from Portland Intl. to Great Falls Intl., returning Sun, Jun 22, priced at $833 found 21 hours ago

Thu, Jun 19 - Sun, Jun 22

PDX

Portland Intl.

GTF

Great Falls Intl.

$965 Roundtrip, found 21 hours ago

$965

Roundtrip

found 21 hours ago

Select Alaska Airlines flight, departing Thu, Jun 19 from Portland Intl. to Great Falls Intl., returning Sun, Jun 22, priced at $965 found 21 hours ago