Cheap flights from Illinois to Idaho Falls (IDA) from $334

Located just 3.8 mi from the city center, Idaho Falls Fanning Field (IDA) is the airport most travelers will use when flying to Idaho Falls from Illinois.

Yes, there are multiple flights from Illinois to Idaho Falls for under $400. The cheapest flight booked recently is on Alaska Airlines for just $334, but on average you can expect to pay $406.

There are currently 3+ open flights from Illinois to Idaho Falls within the next 7 days for less than $800.

For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $427. Users have also found prices from $593 and $619 on Alaska Airlines and Delta, respectively.

When deciding which route to take from Illinois to Idaho Falls consider Chicago O'Hare Intl - Idaho Falls Fanning Field, Chicago Midway - Idaho Falls Fanning Field or Lambert-St Louis - Idaho Falls Fanning Field as they are the most popular.

ORD stands for Chicago O'Hare Intl Airport, while IDA stands for Idaho Falls Fanning Field Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry. While you’re still figuring out your travel plans, it’s not a bad idea to learn the names and codes of other airports around these areas: Chicago Midway Airport (MDW), Moline Quad-City Airport (MLI), Greater Peoria Airport (PIA), Bloomington-Normal Airport (BMI), Springfield Capital Airport (SPI).

The amount of baggage you can bring on your Illinois to Idaho Falls flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

Yes, Cheapflights allows you to browse and filter Illinois to Idaho Falls flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

Yes. In addition to deals on Illinois to Idaho Falls flights, Cheapflights offers vacation packages that include both flights and hotel.

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Idaho Falls.

Yes. Cheapflights offers flight deals from Illinois to Idaho Falls by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Many airlines flying from Illinois to Idaho Falls offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

Yes, you can often find last-minute deals on Illinois to Idaho Falls flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

The Illinois to Idaho Falls flight deals you see on this page were last updated on 6/6.

Currently, December is the cheapest month in which you can book a flight from Illinois to Idaho Falls (average of $397). Flying from Illinois to Idaho Falls in June is currently the most expensive (average of $618). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.