The cheapest times to fly from TRI to DLH are
- January 1st to March 11th
- April 2nd to April 29th
- August 20th to September 30th
- October 22nd to November 18th
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 TRI to DLH is late January. Prices can be as high as $1205 for Monday flights during early to mid May, or as low as $284 for Wednesday flights around late January.
When to Fly to Duluth
Flying from Bristol/Johnson City/Kingsport, TN (TRI) to Duluth, MN (DLH) will usually cost between $304 to $682 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late January with an average ticket price of $314. Due to high demand the most expensive time to fly is early to mid May, with an average price of $702. Planning your trip to low-cost times can easily save you $387 on economy flights and even more on first-class flights. Generally, any price below $434 can be considered a good price for a round-trip TRI to DLH flight.
See below for a graph of average weekly prices for the TRI to DLH route. All prices are for round-trip tickets in USD.
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Compared to other flights, the TRI to DLH flight is much cheaper than the average and costs less than the average flight leaving from Bristol. The average price per mile (for a direct flight) is $0.31, which is in the normal range for a flight.
Flight Prices by Day of the Week
Wednesday is usually the cheapest day to fly to DLH, and Tuesday the cheapest day to fly back into TRI. Mondays 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 $152 (28%) on this flight.
Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Wednesday and returning a week later will cost an average of $383. Return trip prices are from the DLH to TRI flight, and often highlight the quality of our data in showing the same trend.
Departing Prices by Day
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Return Trip Prices by Day
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Nonstop Flights and Layovers
Travelers looking to fly from TRI to DLH can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 2 hour 33 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 TRI to DLH while comparing.
- 144 miles (232 km) away from DLH
- Usually 22.47% less expensive than DLH
- 1-layover flights available
Flight Questions Answered
Still have questions about flying from TRI to DLH? We’ve got answers.
Which airlines fly this route?
You can find 3 major airlines flying this route most often: American, Delta, United, and potentially more during busy seasons.
How far away is it from Duluth International Airport to Tri Cities Airport?
The distance between the two airports is roughly 875 miles or 1408 kilometers.
How long does it take to fly from TRI to DLH?
The real-world flight time for a nonstop TRI to DLH flight is about 2 hour 33 minutes.
How many flights go between Bristol/Johnson City/Kingsport, TN and Duluth, MN?
It depends on the day of the week and the date, but a typical day might have around 22 available flights from TRI to DLH.
Airport Location Info
Departing Airport
Origination code | TRI |
Origination airport name | Tri Cities Airport |
City | Bristol/Johnson City/Kingsport, TN |
Country | the United States |
Latitude | 36.5 |
Longitude | -82.4 |
Return Airport
Destination code | DLH |
Destination airport name | Duluth International Airport |
City | Duluth, MN |
Country | the United States |
Latitude | 46.8 |
Longitude | -92.2 |
Other Resources
Flights to DLH
Flights from DLH
Popular Flights
Flights to TRI
Flights from TRI
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.