Cheap flights from Tri-Cities to Idaho Falls

Flight deals from Tri-Cities to Idaho Falls

Below you can see the best deals on flights Tri-Cities — Idaho Falls for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 19 September, from $425.

Top 10 cheap flights from Tri-Cities to Idaho Falls

About the Tri-Cities — Idaho Falls flight

Looking for cheap flights from Tri-Cities to Idaho Falls? Compare fares from different airlines, check the flight schedule and travel time — and book your Tri-Cities — Idaho Falls ticket online at the best price.

A nonstop flight takes about 1 h 18 min, the distance between the cities is around 644 km.

Planning your trip? You may find our Idaho Falls travel guide, how to get from the airport into town and Idaho Falls weather forecast useful. To catch a low fare, use the low-price calendar and the monthly price chart on this page.

from $425Min. price

SeptemberCheapest

SeptemberPeak season

NoDirect flights

644 kmDistance

1 h 18 minTravel time

Below is a calendar of the lowest flight ticket prices for Tri-Cities — Idaho Falls by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $425 in September, and the most expensive are around $425 in September. 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.

Prices by month

Average one-way fares from Tri-Cities to Idaho Falls by month. Tickets are usually cheapest in January (around $170) and priciest in July (about $239) — use the table and chart below to pick the best time to fly.

Month	Average price	Level	Month	Average price	Level	Month	Average price	Level
Jan	$170	low	May	$198	medium	Sep	$202	medium
Feb	$170	low	Jun	$221	high	Oct	$193	medium
Mar	$175	low	Jul	$239	high	Nov	$175	low
Apr	$189	medium	Aug	$230	high	Dec	$175	low

Some values are estimated based on seasonality.

When to fly

Weather in Idaho Falls: it is warmest in July (up to 32 °C on average) and coolest in January (around 0 °C). The driest month is July.

Tickets are usually cheapest in September and most expensive in September. Compare prices and weather by month in the charts below to pick the best time to fly.

Temperature · Idaho Falls

Dry and wet days · Idaho Falls

Wind speed and direction · Idaho Falls

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How to get the best deal on a Tri-Cities — Idaho Falls ticket

Book ahead: fares for Tri-Cities — Idaho Falls are usually lower 3–8 weeks before departure than at the last minute.
Play with your dates — Tuesday, Wednesday and Saturday departures are often cheaper than Friday and Sunday.
The cheapest month to fly to Idaho Falls is usually September — plan your trip around it if your dates are flexible.
Watch the low-price calendar and the monthly price trend on this page — they make it easier to catch a good date.
Travelling light? Pick a cabin-baggage-only fare — tickets without checked luggage are noticeably cheaper.
Get to the airport in good time — about 2–3 hours before an international departure and roughly an hour before a domestic one.

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Cities and airports on the Tri-Cities — Idaho Falls route

Flights Tri-Cities — Idaho Falls depart from Tri-Cities Regional Airport and arrive at Idaho Falls Regional Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

Tri-Cities

TRI

United States

About the city How to get there Weather All about the country United States

Arrival

Idaho Falls

IDA

United States

About the city How to get there Weather All about the country United States

Departure airports

Tri-Cities Regional AirportTRI
About the airport

Arrival airports

Idaho Falls Regional AirportIDA
About the airport

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Frequently asked questions about the Tri-Cities — Idaho Falls flight

How long is the flight from Tri-Cities to Idaho Falls?

A nonstop Tri-Cities — Idaho Falls flight takes about 1 h 18 min — the distance between the cities is around 644 km.

How far is it from Tri-Cities to Idaho Falls?

The distance from Tri-Cities to Idaho Falls is about 644 km.

Which airports do Tri-Cities — Idaho Falls flights use?

Flights from Tri-Cities depart from Tri-Cities Regional Airport, and arrive at Idaho Falls Regional Airport. If a city has more than one airport, check which one your ticket uses before you travel.

How much is a ticket from Tri-Cities to Idaho Falls?

The price of a Tri-Cities — Idaho Falls ticket depends on your travel date, season and demand: it is usually cheapest to fly in September, and most expensive in September. Check the current lowest fare and low-price calendar on this page.

When is the best time to book flights Tri-Cities — Idaho Falls?

Flights Tri-Cities — Idaho Falls are usually cheaper when booked in advance — a few weeks before departure and away from peak dates; the most budget-friendly month to fly is September. Compare prices by month in the price trend chart on this page.

How can I find the cheapest flights from Tri-Cities to Idaho Falls?

To catch a low fare Tri-Cities — Idaho Falls, book a few weeks in advance, keep your dates flexible, and compare airlines and connecting options. The low-price calendar and monthly price chart on this page show the cheapest days and months at a glance: the most budget-friendly month to fly is usually September.

How early should I arrive at the airport?

For international flights, plan to be at the airport about 2–3 hours before departure, and around an hour before a domestic flight. Allow extra time during busy travel seasons and at large hubs, where check-in and security lines can be longer.

Where else you can fly from Tri-Cities

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Where else you can fly from Idaho Falls