The cheapest times to fly from TVF to BIL are

  • October 15th to November 18th
  • early December

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from TVF to BIL is early December. Prices can be as high as $925 for Sunday flights during mid to late November, or as low as $441 for Saturday flights around early December.


When to Fly to Billings

Flying from Thief River Falls, MN (TVF) to Billings, MT (BIL) will usually cost between $581 to $788 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early December with an average ticket price of $645. Due to high demand the most expensive time to fly is mid to late November, with an average price of $780. Planning your trip to low-cost times can easily save you $136 on economy flights and even more on first-class flights. Generally, any price below $706 can be considered a good price for a round-trip TVF to BIL flight.

See below for a graph of average weekly prices for the TVF to BIL route. All prices are for round-trip tickets in USD.

TVF to BIL Flight Prices

Compared to other flights, the TVF to BIL flight is cheaper than the average and costs less than the average flight leaving from Thief River Falls. The average price per mile (for a direct flight) is $0.73, which is above average.


Flight Prices by Day of the Week

Saturday is usually the cheapest day to fly to BIL, and Tuesday the cheapest day to fly back into TVF. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $115 (16%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Saturday and returning a week later will cost an average of $648. Return trip prices are from the BIL to TVF flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from TVF to BIL can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 2 hour 4 minutes may not be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from TVF to BIL while comparing.

Destination alternative #1: Bozeman Yellowstone International Airport (BZN) in Bozeman, MT

  • 126 miles (203 km) away from BIL
  • Usually 1.98% less expensive than BIL
  • 1-layover flights available

See TVF to BZN flights


Flight Hacking TVF to BIL

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from TVF to BIL — but Champion Traveler does!

Hack #1: Minneapolis, MN (TVF > MSP > BIL)

  • Price for both tickets: $447
  • Average savings: $259 (36.65%)

See TVF to MSP flights

Hack #2: Denver, CO (TVF > DEN > BIL)

  • Price for both tickets: $664
  • Average savings: $43 (6.02%)

See TVF to DEN flights


Flight Questions Answered

Still have questions about flying from TVF to BIL? We’ve got answers.

Which airlines fly this route?

You can find 5 major airlines flying this route most often: Alaska, American, Boutique Air, Delta, United, and potentially more during busy seasons.

How far away is it from Billings Logan International Airport to Thief River Falls Regional Airport?

The distance between the two airports is roughly 603 miles or 970 kilometers.

How long does it take to fly from TVF to BIL?

The real-world flight time for a nonstop TVF to BIL flight is about 2 hour 4 minutes.

How many flights go between Thief River Falls, MN and Billings, MT?

It depends on the day of the week and the date, but a typical day might have around 14 available flights from TVF to BIL.


Airport Location Info


Departing Airport

Origination codeTVF
Origination airport nameThief River Falls Regional Airport
CityThief River Falls, MN
Countrythe United States

Return Airport

Destination codeBIL
Destination airport nameBillings Logan International Airport
CityBillings, MT
Countrythe United States


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.