In terms of precipitation, rainfall in Thief River Falls ranges from 0.5 - 3.5 inches per month. July is typically the wettest month, when rainfall can reach 3.5 in. February is typically the driest time to visit Thief River Falls when rainfall is around 0.5 in.

If weather is an important factor for your trip to Thief River Falls, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 1.4 F).

What is the cheapest time of day to fly from PDX to TVF?

When flying from Portland to Thief River Falls, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Can I find deals for flights from Portland to Thief River Falls that include hotel bookings?

Yes. In addition to deals on Portland to Thief River Falls flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Portland to Thief River Falls?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Thief River Falls.

Can I find deals for business class flights from Portland to Thief River Falls?

Yes. Cheapflights offers flight deals from Portland to Thief River Falls by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$499+ Flights from Portland to Thief River Falls

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Round-trip from	$499 (United)

From Portland to Thief River Falls

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Cheapest flights from Portland to Thief River Falls
Explore the most affordable flight options available from Portland to Thief River Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

Wed 9/1010:55 amPDX - TVF

2 stops22h 20mMultiple Airlines

Wed 9/248:15 amTVF - PDX

2 stops16h 27mMultiple Airlines

Deal found 8/14

$499

Best flights from Portland to Thief River Falls
Discover carefully curated flight deals from Portland to Thief River Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2025.

Wed 9/1010:55 amPDX - TVF

2 stops22h 20mMultiple Airlines

Wed 9/248:15 amTVF - PDX

2 stops16h 27mMultiple Airlines

Deal found 8/14

$499

Last-minute flights from Portland to Thief River Falls
Discover last-minute flight deals from Portland to Thief River Falls. Data last updated August 14, 2025 and is based on user searches.

Wed 9/1010:55 amPDX - TVF

2 stops22h 20mMultiple Airlines

Wed 9/248:15 amTVF - PDX

2 stops16h 27mMultiple Airlines

Deal found 8/14

$499

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Use the filters below to find and compare flights from Portland to Thief River Falls that are best for you.

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PortlandThief River Falls

PDX - TVF

PDXTVF

Portland

Wed 9/10

10:55 am-11:15 am

2 stops22h 20m

Thief River Falls

Wed 9/24

8:15 am-10:42 pm

2 stops16h 27m

$499

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Deals found on 8/14

Best time to book a flight from Portland to Thief River Falls

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Estimated round-trip price

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Related info for your journey

Can I find deals for flights from Portland to Thief River Falls that include hotel bookings?
Yes. In addition to deals on Portland to Thief River Falls flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Portland to Thief River Falls?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Thief River Falls.
Can I find deals for business class flights from Portland to Thief River Falls?
Yes. Cheapflights offers flight deals from Portland to Thief River Falls by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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$499+ Cheap flights from Portland to Thief River Falls (PDX - TVF)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/10. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Portland to Thief River Falls with Cheapflights

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Cheap flight deals from Portland to Thief River Falls

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Find flight deals from Portland to Thief River Falls

Cheapest flights from Portland to Thief River FallsExplore the most affordable flight options available from Portland to Thief River Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

Explore the most affordable flight options available from Portland to Thief River Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Portland to Thief River Falls that are best for you.

Best time to book a flight from Portland to Thief River Falls

Have a flexible travel schedule? Discover the best time to fly to Thief River Falls from Portland with our price prediction graph.

Related info for your journey

Find useful and relevant information for your journey from Portland to Thief River Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

Can I find deals for flights from Portland to Thief River Falls that include hotel bookings?

How can I find direct flights from Portland to Thief River Falls?

Can I find deals for business class flights from Portland to Thief River Falls?

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Cheapest flights from Portland to Thief River Falls
Explore the most affordable flight options available from Portland to Thief River Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.