This page features the latest flight deals from Idaho Falls to Tri-Cities. There are no direct flights on this route, so the itinerary includes a layover in Dallas/Fort Worth, and the minimum travel time is approximately 6 hours and 30 minutes.
Flights on this route are operated by American Airlines. Before purchasing, we recommend checking how to get to the airport of departure and how to get from the airport to your destination, as well as tracking price dynamics in our calendar.
Below is a calendar of the lowest flight ticket prices for Idaho Falls — Tri-Cities by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $481 in ,, and the most expensive are around $481 in ,. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.
Idaho Falls → Tri-Cities, average one-way price
| Month | Average price | Level | Month | Average price | Level | Month | Average price | Level |
|---|---|---|---|---|---|---|---|---|
| Jan | $173 | low | May | $198 | medium | Sep | $193 | medium |
| Feb | $178 | low | Jun | $223 | high | Oct | $188 | medium |
| Mar | $188 | medium | Jul | $228 | high | Nov | $208 | high |
| Apr | $193 | medium | Aug | $218 | high | Dec | $218 | high |
Some values are estimated based on seasonality.
The climate in Tri-Cities is characterized by hot summers and moderately cool winters. The warmest month is July, with average temperatures reaching up to 35.7°C, while the rainiest and coldest period is considered to be December and January, when the thermometer drops to -0.6°C.
Flight costs depend on seasonal demand and seat availability. Currently, the minimum recorded price for a flight on this route is $478, though prices can increase significantly during peak dates.
The optimal time to visit Tri-Cities is September, when comfortable dry weather sets in. To save on your budget, it is best to avoid major holiday periods when flight demand is traditionally high.
Regular air service from Idaho Falls to Tri-Cities is provided by American Airlines. There are no direct non-stop flights on this route, so flights are operated with a connection at Dallas/Fort Worth International Airport. Detailed information on flight schedules, layover times, and route options can be found in the interactive list below.
Flights Idaho Falls — Tri-Cities depart from Idaho Falls Regional Airport and arrive at Tri-Cities Regional Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.
As there are no direct flights, the minimum travel time with one connection is approximately 6 hours and 30 minutes. The total duration depends on the selected layover option.
The primary carrier on this route is American Airlines, operating flights via its hub in Dallas.
There are currently no non-stop flights between these cities. All available options include one connection at Dallas/Fort Worth Airport.
Flight prices change constantly depending on flight load. You can see the current price minimum and the best deals for specific dates in the low price calendar on this page.
Flights arrive at the Tri-Cities Regional Airport (TRI), which serves the southeastern part of Washington state.
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