The cheapest times to fly from SIN to TVF are

  • September 3rd to December 2nd (except the week of November 19th)

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 SIN to TVF is mid to late September. Prices can be as high as $2132 for Sunday flights during early to mid December, or as low as $1374 for Tuesday flights around mid to late September.


When to Fly to Thief River Falls

Flying from Singapore (SIN) to Thief River Falls, MN (TVF) will usually cost between $1680 to $2041 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid to late September with an average ticket price of $1694. Due to high demand the most expensive time to fly is early to mid December, with an average price of $2054. Planning your trip to low-cost times can easily save you $360 on economy flights and even more on first-class flights. Generally, any price below $1820 can be considered a good price for a round-trip SIN to TVF flight.

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

SIN to TVF Flight Prices

Compared to other flights, the SIN to TVF flight is more expensive than the average and costs slightly more than the average flight leaving from Singapore. The average price per mile (for a direct flight) is $0.13, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to fly to TVF, and Monday the cheapest day to fly back into SIN. Sundays are the most expensive days to fly to Thief River Falls, and Saturdays are the most expensive days to return to Singapore. Selecting flights on the least expensive days could save you up to $344 (17%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $1768. Return trip prices are from the TVF to SIN 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 SIN to TVF can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 16 hour 51 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 SIN to TVF while comparing.

Destination alternative #1: James Armstrong Richardson International Airport (YWG) in Winnipeg

  • 136 miles (219 km) away from TVF
  • Usually 29.01% less expensive than TVF
  • 2-layover flights available

See SIN to YWG flights

Destination alternative #2: Hector International Airport (FAR) in Fargo, ND

  • 84 miles (135 km) away from TVF
  • Usually 16.35% less expensive than TVF
  • 2-layover flights available

See SIN to FAR flights


Flight Hacking SIN to TVF

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 SIN to TVF — but Champion Traveler does!

Hack #1: San Francisco, CA (SIN > SFO > TVF)

  • Price for both tickets: $1135
  • Average savings: $685 (37.64%)

See SIN to DEN flights

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

  • Price for both tickets: $1371
  • Average savings: $449 (24.67%)

See SIN to SFO flights

Hack #3: Dallas/Fort Worth, TX (SIN > DFW > TVF)

  • Price for both tickets: $1389
  • Average savings: $431 (23.68%)

See SIN to DFW flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 6 major airlines flying this route most often: American, ANA, Boutique Air, Delta, Singapore Airlines, United, and potentially more during busy seasons.

How far away is it from Thief River Falls Regional Airport to Singapore Changi International Airport?

The distance between the two airports is roughly 8812 miles or 14182 kilometers.

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

The real-world flight time for a nonstop SIN to TVF flight is about 16 hour 51 minutes.

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

It depends on the day of the week and the date, but a typical day might have around 17 available flights from SIN to TVF.


Airport Location Info


Departing Airport

Origination codeSIN
Origination airport nameSingapore Changi International Airport

Return Airport

Destination codeTVF
Destination airport nameThief River Falls Regional Airport
CityThief River Falls, MN
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.