HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Illinois

$442+ 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 2/17. Fares are subject to change and may not be available on all flights or dates of travel.
LWS — ORD
mars 5 — mars 121
jeu. 3/5
jeu. 3/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Lewiston to Illinois with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 février 3, 2026.

This Delta deal was found by Cheapflights users on 2/2. 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.
mar. 2/177:00 am
LWS
-
ORD
2 stops12h 30m
Delta
sam. 2/217:15 am
ORD
-
LWS
1 stop6h 20m
Delta
Deal found 2/2$599

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 février 3, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$599
(Delta)

One-way from

$442
(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.
Search Deals
From Lewiston Nez Perce Rgnl to Illinois
Search Deals
One-way flight from Lewiston Nez Perce Rgnl to Illinois
Search Deals

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 février 3, 2026.
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

mar. 2/17

7:00 am-9:30 pm

2 stops12h 30m

Chicago O'Hare Intl

sam. 2/21

7:15 am-11:35 am

1 stop6h 20m

$599

LewistonChicago

LWS - ORD

LWSORD

Lewiston Nez Perce Rgnl

mar. 2/17

12:24 pm-9:52 pm

1 stop7h 28m

$442

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

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 $143). Flying from Lewiston, Idaho to Illinois in December is currently the most expensive (average of $243). 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 12h 30m. 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 - Chicago O'Hare Intl 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 $143). Flying from Lewiston, Idaho to Illinois in December is currently the most expensive (average of $243). 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.

See more FAQs

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 Lewiston to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
Spokane to Sky Harbor Intl flights
Boise to Las Vegas flights
Boise to Seattle flights
Spokane to Seattle flights
Boise to Los Angeles flights
Spokane to Las Vegas flights
Boise to Dallas/Fort Worth flights
Spokane to Los Angeles flights
Boise to Sky Harbor Intl flights
Spokane to O'Hare Intl flights
Spokane to Dallas/Fort Worth flights
Boise to Hobby flights
Boise to Denver flights
Boise to San Diego flights
Spokane to San Francisco flights
Boise to Orlando flights
Spokane to Denver flights
Boise to O'Hare Intl flights
Boise to Minneapolis flights
Spokane to Honolulu flights
Spokane to Kahului flights
Boise to George Bush Intcntl flights
Spokane to Orlando flights
Spokane to Dulles Intl flights
Boise to Honolulu flights
Spokane to San Diego flights
Boise to Atlanta flights
Boise to San Francisco flights
Boise to Portland flights
Boise to Santa Ana flights
Boise to Ontario flights
Spokane to Baltimore flights
Boise to Kahului flights
Idaho Falls to Dallas/Fort Worth flights
Boise to Dulles Intl flights
Boise to John F Kennedy Intl flights
Jackson to Seattle flights
Spokane to Portland flights
Spokane to Ontario flights
Spokane to John F Kennedy Intl flights
Spokane to Hobby flights
Boise to Salt Lake City flights
Spokane to Santa Ana flights
Spokane to Lihue flights
Spokane to Salt Lake City flights
Spokane to Atlanta flights
Spokane to Boise flights
Spokane to Miami flights
Spokane to Newark flights
Spokane to Nashville flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.