In terms of precipitation, rainfall in Twin Falls ranges from 0.3 - 1.4 inches per month. May is typically the wettest month, when rainfall can reach 1.4 in. July is typically the driest time to visit Twin Falls when rainfall is around 0.3 in.

If weather is an important factor for your trip to Twin Falls, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 28.4 F).

What is the cheapest time of day to fly from IL to TWF?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Twin Falls as you normally would.

What airport do you fly into for flights to Twin Falls from Illinois?

Twin Falls Joslin (TWF) is the airport you will fly into if you book a flight from Illinois to Twin Falls. It is only a 5.8 mi journey from Joslin (TWF) to Twin Falls’s city center.

Can I find deals for flights from Illinois to Twin Falls that include hotel bookings?

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

How can I find direct flights from Illinois to Twin Falls?

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

Can I find deals for business class flights from Illinois to Twin Falls?

Yes. Cheapflights offers flight deals from Illinois to Twin 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.

$435+ Flights from Illinois to Twin Falls

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Cheap flight deals from Illinois to Twin Falls

Round-trip from	$435 (Delta)

From Illinois to Twin Falls Joslin

Search Deals

Find flight deals from Illinois to Twin Falls

Cheapest flights from Illinois to Twin Falls
Explore the most affordable flight options available from Illinois to Twin Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.

Wed 9/37:45 amORD - TWF

1 stop15h 45mDelta

Mon 9/83:20 pmTWF - ORD

1 stop25h 10mDelta

Deal found 6/30

$435

Sat 12/61:00 pmMDW - TWF

2 stops10h 18mDelta

Wed 12/106:15 amTWF - MDW

2 stops10h 52mDelta

Deal found 7/1

$477

Best flights from Illinois to Twin Falls
Discover carefully curated flight deals from Illinois to Twin Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 2, 2025.

Wed 9/37:45 amORD - TWF

1 stop15h 45mDelta

Mon 9/83:20 pmTWF - ORD

1 stop25h 10mDelta

Deal found 6/30

$435

Sat 12/61:00 pmMDW - TWF

2 stops10h 18mDelta

Wed 12/106:15 amTWF - MDW

2 stops10h 52mDelta

Deal found 7/1

$477

Last-minute flights from Illinois to Twin Falls
Discover last-minute flight deals from Illinois to Twin Falls. Data last updated July 2, 2025 and is based on user searches.

Tue 7/157:50 amORD - TWF

1 stop7h 48mDelta

Sat 7/193:20 pmTWF - ORD

1 stop5h 48mDelta

Deal found 6/30

$518

Tue 7/156:00 amMDW - TWF

2 stops9h 38mDelta

Sat 7/196:15 amTWF - MDW

2 stops9h 55mDelta

Deal found 6/30

$803

Cheapflights Fare Finder

Use the filters below to find and compare flights from Illinois to Twin Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoTwin Falls

ORD - TWF

ORDTWF

Chicago O'Hare Intl

Wed 9/3

7:45 am-10:30 pm

1 stop15h 45m

Twin Falls Joslin

Mon 9/8

3:20 pm-5:30 pm

1 stop25h 10m

$435

ChicagoTwin Falls

MDW - TWF

MDWTWF

Chicago Midway

Sat 12/6

1:00 pm-10:18 pm

2 stops10h 18m

Twin Falls Joslin

Wed 12/10

6:15 am-6:07 pm

2 stops10h 52m

$477

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Best time to book a flight from Illinois to Twin Falls

Have a flexible travel schedule? Discover the best time to fly to Twin Falls from Illinois with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Twin Falls

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Twin Falls

See what other customers who have flown with Delta from Illinois to Twin Falls have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,975 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,975 reviews

Delta

8.0

Very good

7,975 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What airport do you fly into for flights to Twin Falls from Illinois?
Twin Falls Joslin (TWF) is the airport you will fly into if you book a flight from Illinois to Twin Falls. It is only a 5.8 mi journey from Joslin (TWF) to Twin Falls’s city center.
Can I find deals for flights from Illinois to Twin Falls that include hotel bookings?
Yes. In addition to deals on Illinois to Twin Falls flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Illinois to Twin Falls?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Twin Falls.
Can I find deals for business class flights from Illinois to Twin Falls?
Yes. Cheapflights offers flight deals from Illinois to Twin 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.

See more FAQs

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$435+ Cheap flights from Illinois to Twin Falls (TWF)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/3. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Illinois to Twin Falls with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Illinois to Twin Falls

Keep the following information in mind while searching for Illinois to Twin Falls flight deals. Data was last updated July 2, 2025.

Round-trip from

Find flight deals from Illinois to Twin Falls

Cheapest flights from Illinois to Twin FallsExplore the most affordable flight options available from Illinois to Twin Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.

Explore the most affordable flight options available from Illinois to Twin Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Illinois to Twin Falls that are best for you.

Best time to book a flight from Illinois to Twin Falls

Have a flexible travel schedule? Discover the best time to fly to Twin Falls from Illinois with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Twin Falls

Reviews of airlines servicing Twin Falls

See what other customers who have flown with Delta from Illinois to Twin Falls have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Twin Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Twin Falls from Illinois?

Can I find deals for flights from Illinois to Twin Falls that include hotel bookings?

How can I find direct flights from Illinois to Twin Falls?

Can I find deals for business class flights from Illinois to Twin Falls?

Traveling to a place near Illinois?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Illinois to Twin Falls

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Cheapest flights from Illinois to Twin Falls
Explore the most affordable flight options available from Illinois to Twin Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.