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$332+ Cheap flights from Lewiston, ID (LWS) to Illinois

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/13. Fares are subject to change and may not be available on all flights or dates of travel.
LWS — ORD
Jan 15 — Jan 221
Thu 1/15
Thu 1/22
1 adult, Economy
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Cheap 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 December 16, 2025.

This Delta deal was found by Cheapflights users on 12/15. 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 12/3012:16 pmLWS - ORD
1 stop7h 20mDelta
Sat 1/37:25 amORD - LWS
1 stop6h 11mDelta
Deal found 12/15$978

Find flight deals from Lewiston to Illinois

Keep the following information in mind while searching for Lewiston to Illinois flight deals. Data was last updated December 16, 2025.

Most accurate provider

Expedia
2 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$978
(Delta)

One-way from

$372
(Delta)
Provider with most accurate pricing for Lewiston Nez Perce Rgnl-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lewiston Nez Perce Rgnl-Chicago (CHI) flights.
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From Lewiston Nez Perce Rgnl to Illinois
Search Deals
One-way flight from Lewiston Nez Perce Rgnl to Illinois
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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 December 16, 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

LewistonChicago

LWS - ORD

LWSORD

Lewiston Nez Perce Rgnl

Tue 12/30

12:16 pm-9:36 pm

1 stop7h 20m

Chicago O'Hare Intl

Sat 1/3

7:25 am-11:36 am

1 stop6h 11m

$978

LewistonChicago

LWS - ORD

LWSORD

Lewiston Nez Perce Rgnl

Fri 2/13

7:05 am-9:41 pm

2 stops12h 36m

$332

LewistonSt. Louis

LWS - STL

LWSSTL

Lewiston Nez Perce Rgnl

Tue 1/27

7:05 am-9:38 pm

2 stops12h 33m

$372

LewistonSt. Louis

LWS - STL

LWSSTL

Lewiston Nez Perce Rgnl

Wed 1/28

7:05 am-9:38 pm

2 stops12h 33m

$377

LewistonSt. Louis

LWS - STL

LWSSTL

Lewiston Nez Perce Rgnl

Thu 1/29

7:05 am-1:48 pm

2 stops28h 43m

$377

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

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, June is the cheapest month in which you can book a flight from Lewiston, Idaho to Illinois (average of $140). Flying from Lewiston, Idaho to Illinois in December is currently the most expensive (average of $245). 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.

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 7h 20m. The distance between Lewiston, Idaho and Illinois is about 1464 mi.

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

    Most travelers choose Lewiston Nez Perce Rgnl - Bloomington-Normal, Lewiston Nez Perce Rgnl - Lambert-St Louis or Lewiston Nez Perce Rgnl - Moline Quad-City 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, June is the cheapest month in which you can book a flight from Lewiston, Idaho to Illinois (average of $140). Flying from Lewiston, Idaho to Illinois in December is currently the most expensive (average of $245). 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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