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$365+ Cheap flights from Lewiston, ID (LWS) to Illinois

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 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
LWS — ORD
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Lewiston to Illinois

Keep the following information in mind while searching for Lewiston to Illinois flight deals. Data was last updated September 15, 2025.

Round-trip from

$365
(Delta)
From Lewiston Nez Perce Rgnl to Illinois
Search Deals

Find flight deals from Lewiston to Illinois

Cheapest flights from Lewiston to Illinois
Explore the most affordable flight options available from Lewiston to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/27:05 amLWS - ORD
1 stop8h 10mDelta
Tue 10/72:25 pmORD - LWS
1 stop8h 38mDelta
Deal found 9/14$497
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/147:10 amLWS - ORD
1 stop8h 00mDelta
Wed 10/152:25 pmORD - LWS
1 stop8h 38mDelta
Deal found 9/14$525
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/107:00 amLWS - BMI
2 stops37h 06mDelta
Sat 12/133:30 pmBMI - LWS
2 stops31h 32mDelta
Deal found 9/14$840

Cheapflights Fare Finder

 
Customize your flight search to find flights from Lewiston to Illinois that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 15, 2025.
Use the filters below to find and compare flights from Lewiston to Illinois that are best for you.

Fly from

Lewiston

Fly to

Illinois

Route

Depart

Return

Price

LewistonSt. Louis

LWS - STL

LWSSTL

Lewiston Nez Perce Rgnl

Sat 2/28

7:05 am-11:10 pm

2 stops14h 05m

Lambert-St Louis

Tue 3/3

8:50 am-9:02 pm

2 stops14h 12m

$365

LewistonChicago

LWS - ORD

LWSORD

Lewiston Nez Perce Rgnl

Thu 10/2

7:05 am-5:15 pm

1 stop8h 10m

Chicago O'Hare Intl

Tue 10/7

2:25 pm-9:03 pm

1 stop8h 38m

$497

LewistonChicago

LWS - ORD

LWSORD

Lewiston Nez Perce Rgnl

Tue 10/14

7:10 am-5:10 pm

1 stop8h 00m

Chicago O'Hare Intl

Wed 10/15

2:25 pm-9:03 pm

1 stop8h 38m

$525

LewistonBloomington

LWS - BMI

LWSBMI

Lewiston Nez Perce Rgnl

Wed 12/10

7:00 am-10:06 pm

2 stops37h 06m

Bloomington-Normal

Sat 12/13

3:30 pm-9:02 pm

2 stops31h 32m

$840

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Best time to book a flight from Lewiston to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Lewiston 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 Lewiston to Illinois

What is the cheapest month to book a flight from Lewiston, Idaho to Illinois?

Currently, August is the cheapest month in which you can book a flight from Lewiston, Idaho to Illinois (average of $245). Flying from Lewiston, Idaho to Illinois in March is currently the most expensive (average of $321). 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.

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated September 15, 2025.
Peruse reviews from past customers who have flown with Delta from Lewiston to Illinois to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,954 reviews

Overall

8.0

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

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
7,954 reviews
Delta
8.0
Very good
7,954 reviews

Overall

8.0

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

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

Find useful and relevant information for your journey from Lewiston to Illinois. 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 from for flights from Lewiston to Illinois?

    For a flight from Lewiston to Illinois, you will be flying from Nez Perce Rgnl. Lewiston Nez Perce Rgnl (LWS) is just 1.9 mi from the center of the city.

  • How long is the flight from Lewiston, Idaho to Illinois?

    Departing from Lewiston, Idaho to Illinois will take you 14h 05m. The distance between Lewiston, Idaho and Illinois is about 1445 mi.

  • What are the most popular routes from Lewiston, Idaho to Illinois?

    Most travelers choose Lewiston Nez Perce Rgnl - Chicago O'Hare Intl, Lewiston Nez Perce Rgnl - Bloomington-Normal or Lewiston Nez Perce Rgnl - Lambert-St Louis when deciding on the best route from Lewiston, Idaho to Illinois.

  • Can I find deals for flights from Lewiston to Illinois that include hotel bookings?

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

  • How can I find direct flights from Lewiston to Illinois?

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

  • Can I find deals for business class flights from Lewiston to Illinois?

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

  • What is the cheapest month to book a flight from Lewiston, Idaho to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Lewiston, Idaho to Illinois (average of $245). Flying from Lewiston, Idaho to Illinois in March is currently the most expensive (average of $321). 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.

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Top airline flying from Lewiston to Illinois

Discover the top airline that operate flights from Lewiston to Illinois. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$258Average$518FlexibilityNo cancel feeOn-timeN/A

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