Cheap Flights from Idaho to Illinois

Expected price increase 20%
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Average price per month


  • Low Season: January
  • High Season: June
  • Prices for this route are volatile and fluctuate from month to month.
  • The cheapest flights are usually bought in January, September and December.
  • High season months are April, May and June. However, it's not the rule and you should always search current flight deals.
  • For example, the flight from Idaho to Illinois is currently 30% cheaper than average.

Price increase as travel date approaches


  • Flight prices for this route increase by 49% if you book last minute. Hover on the graph above to see for yourself!.
  • To grab the lowest price possible, you should buy your flight around 26 days before departure!
  • Consider booking at least 20 days before departure to increase your chances of getting a low price.
  • Generally, it's safe to book between 90 and 60 days in advance.

Idaho to Illinois Flight Information

Flights Depart FromIdaho (SAN)
Flights Arriving ToIllinois (LAS)
Distance417.27 km
Current Discount30 %
Average Price $105.65
Good Deal $50.22
Cheapest AirlinesSpirit Airlines
Popular AirlinesAlaska Airlines, Delta Air Lines, American Airlines, United Airlines, Spirit Airlines
Flight Duration00 hours 55 minutes
Flights Depart From
Idaho (SAN)
Flights Arrive In
Illinois (LAS)
Distance
417.27 km
Flight Duration
00 hours 55 minutes
Current Discount
30 %
Average Price
$105.65
Good Deal
$50.22
Cheapest Airlines
Spirit Airlines
Popular Airlines
Alaska Airlines, Delta Air Lines, American Airlines, United Airlines, Spirit Airlines

Most Reliable Airlines flying to Illinois

Airline Overall Rating On time arrival Check-in & Boarding Cleanliness Customer Service Food & Beverage Entertainment Legroom Seat Comfort
Alaska Airlines Alaska Airlines 4.1 4.5 4.5 4.5 4.5 3.5 3.5 4.0 4.0
Delta Air Lines Delta Air Lines 3.8 4.5 4.0 4.0 4.0 3.5 4.0 3.5 3.5
American Airlines American Airlines 3.3 4.0 3.5 3.5 3.5 3.0 3.0 3.5 3.0
United Airlines United Airlines 3.3 4.0 3.5 3.5 3.5 3.0 3.0 3.0 3.0
Spirit Airlines Spirit Airlines 2.8 4.5 3.0 3.5 3.0 2.0 1.5 2.5 2.5
Overall Rating
4.0
On time arrival
4.5
Check-in & Boarding
4.5
Cleanliness
4.5
Customer Service
4.5
Food & Beverage
3.5
Entertainment
3.5
Legroom
4.0
Seat Comfort
4.0
Overall Rating
4.0
On time arrival
4.5
Check-in & Boarding
4.0
Cleanliness
4.0
Customer Service
4.0
Food & Beverage
3.5
Entertainment
4.0
Legroom
3.5
Seat Comfort
3.5
Overall Rating
3.5
On time arrival
4.0
Check-in & Boarding
3.5
Cleanliness
3.5
Customer Service
3.5
Food & Beverage
3.0
Entertainment
3.0
Legroom
3.5
Seat Comfort
3.0
Overall Rating
3.5
On time arrival
4.0
Check-in & Boarding
3.5
Cleanliness
3.5
Customer Service
3.5
Food & Beverage
3.0
Entertainment
3.0
Legroom
3.0
Seat Comfort
3.0
Overall Rating
3.0
On time arrival
4.5
Check-in & Boarding
3.0
Cleanliness
3.5
Customer Service
3.0
Food & Beverage
2.0
Entertainment
1.5
Legroom
2.5
Seat Comfort
2.5

Good to know:


Enter your preferred departure airport and travel dates into the search form above to unlock the latest Illinois flight deals.

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How to get the cheapest flight to Illinois?

Currently there is a 30% discount on flights to Illinois. This price won't stay too long and you should consider buying now.

Flight prices for this route are expected to go up by 20%.

Search and compare flight options now!.

Awesome Deals

notifications_active In the past few days the following airlines offered the lowest prices from Idaho to Illinois: Spirit Airlines and ..

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Frequently Asked Questions

  • How long is a direct flight from Idaho to Illinois?A direct flight from Idaho to Illinois takes roughly 00 hours 55 minutes.
  • How many direct flights are there between Idaho to Illinois daily?On average, there are 37 direct flights from Idaho to Illinois each day.
  • Which airlines offer cheap airfare from Idaho to Illinois?That may change at any time. But in the past 14 days, the cheapest tickets we've found were with Spirit Airlines and .
  • Do I need my passport to fly from Idaho to Illinois?Nope, not this time.
  • Which airlines fly from Idaho to Illinois most often?Alaska Airlines, Delta Air Lines, American Airlines, United Airlines and Spirit Airlines are the top.
  • What's the cheapest day to fly from Idaho to Illinois?That depends. Recently, the cheapest day to fly from Idaho to Illinois has been Monday. And the cheapest return flight from Thursday has been. That said, the cheapest departure days are constantly changing.
  • Which airport will I be flying from in Idaho?When departing from Idaho you'll be flying out of San Diego International Airport.
  • Which airport will I be flying from in Illinois?When departing from Illinois you'll be flying out of Mc Carran International.
  • How is Justfly.com so good at finding cheap flights?We've taken an oath of secrecy and vowed never to say. Just kidding. Our team and technology allows us to browse through hundreds of airlines and hundreds of thousands of flights to find the lowest prices. Then we pass the savings on to you.
  • Can Justfly.com help me save money in any other way?We're glad you asked. We help you save money with our Fare Alerts, Price Trend charts and multi-ticket bookings. We also help you save on hotels and car rentals.
  • How many airlines does Justfly.com search to find affordable flights?We typically search over 400 airlines.
  • Can Justfly.com's Price Trend tool really tell me the best time to buy tickets?Absolutely! That's why we've made it accessible to you.
  • Will the price of my flight change?Flight prices and availability change often. To counter this, we update the important data as often as possible every step of the way.
  • How will I receive my booking confirmation and travel information?We'll send you an email with the important details!
  • Can you cancel or change Justfly.com flights?You sure can. But give us a call first. We'll do our best to find a solution. However, in some cases, if we cancel your booking, we'll have to charge an administrative fee of $75 (domestic), $125 (trans-border between Canada and USA) and $200 (international).
  • Are Justfly.com's tickets refundable?All bookings are currently non-refundable.
  • How do I contact Justfly.com?To find answers to all of your questions, click here to visit our support page.