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Lewiston

$345+ Cheap flights from Illinois to Lewiston, ID (LWS)

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 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LWS
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Find flight deals from Illinois to Lewiston

Cheapest flights from Illinois to Lewiston
Explore the most affordable flight options available from Illinois to Lewiston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This Delta deal was found by Cheapflights users on 10/29. 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.
Fri 12/52:20 pmSTL - LWS
2 stops8h 43mDelta
Mon 12/87:00 amLWS - STL
2 stops10h 10mDelta
Deal found 10/29$345
This Delta deal was found by Cheapflights users on 10/29. 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.
Sat 12/62:10 pmORD - LWS
1 stop8h 53mDelta
Mon 12/87:00 amLWS - ORD
1 stop8h 15mDelta
Deal found 10/29$405
This Delta deal was found by Cheapflights users on 10/29. 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.
Fri 12/52:14 pmORD - LWS
1 stop8h 49mDelta
Mon 12/87:00 amLWS - ORD
1 stop8h 15mDelta
Deal found 10/29$415
This Delta deal was found by Cheapflights users on 10/29. 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.
Fri 12/59:59 amMDW - LWS
2 stops13h 04mDelta
Mon 12/87:00 amLWS - MDW
2 stops9h 18mDelta
Deal found 10/29$487
This Delta deal was found by Cheapflights users on 10/28. 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.
Sat 11/157:20 amORD - LWS
1 stop6h 23mDelta
Sat 11/2212:23 pmLWS - ORD
1 stop7h 02mDelta
Deal found 10/28$527
This Delta deal was found by Cheapflights users on 10/28. 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.
Sat 11/16:50 amSTL - LWS
1 stop8h 32mDelta
Wed 11/52:02 pmLWS - STL
1 stop8h 22mDelta
Deal found 10/28$746
This Delta deal was found by Cheapflights users on 10/28. 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.
Sat 11/159:41 amMDW - LWS
2 stops13h 25mDelta
Sat 11/227:00 amLWS - MDW
2 stops9h 18mDelta
Deal found 10/28$834
This Delta deal was found by Cheapflights users on 10/29. 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.
Fri 11/72:29 pmSTL - LWS
2 stops8h 34mDelta
Tue 11/117:00 amLWS - STL
2 stops9h 57mDelta
Deal found 10/29$873

Cheap flight deals from Illinois to Lewiston

Keep the following information in mind while searching for Illinois to Lewiston flight deals. Data was last updated October 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$345
(Delta)
Provider with most accurate pricing for Chicago (CHI)-Lewiston Nez Perce Rgnl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Lewiston Nez Perce Rgnl flights.
Search Deals
From Illinois to Lewiston Nez Perce Rgnl
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Lewiston 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 October 30, 2025.
Use the filters below to find and compare flights from Illinois to Lewiston that are best for you.

Fly from

Illinois

Fly to

Lewiston

Route

Depart

Return

Price

St. LouisLewiston

STL - LWS

STLLWS

Lambert-St Louis

Sat 12/6

1:00 pm-9:03 pm

2 stops10h 03m

Lewiston Nez Perce Rgnl

Mon 12/8

7:00 am-7:10 pm

2 stops10h 10m

$345

St. LouisLewiston

STL - LWS

STLLWS

Lambert-St Louis

Fri 12/5

2:20 pm-9:03 pm

2 stops8h 43m

Lewiston Nez Perce Rgnl

Mon 12/8

7:00 am-7:10 pm

2 stops10h 10m

$345

ChicagoLewiston

ORD - LWS

ORDLWS

Chicago O'Hare Intl

Sat 12/6

2:10 pm-9:03 pm

1 stop8h 53m

Lewiston Nez Perce Rgnl

Mon 12/8

7:00 am-5:15 pm

1 stop8h 15m

$405

ChicagoLewiston

ORD - LWS

ORDLWS

Chicago O'Hare Intl

Fri 12/5

2:14 pm-9:03 pm

1 stop8h 49m

Lewiston Nez Perce Rgnl

Mon 12/8

7:00 am-5:15 pm

1 stop8h 15m

$415

ChicagoLewiston

MDW - LWS

MDWLWS

Chicago Midway

Fri 12/5

9:59 am-9:03 pm

2 stops13h 04m

Lewiston Nez Perce Rgnl

Mon 12/8

7:00 am-6:18 pm

2 stops9h 18m

$487

ChicagoLewiston

MDW - LWS

MDWLWS

Chicago Midway

Sat 12/6

9:59 am-9:03 pm

2 stops13h 04m

Lewiston Nez Perce Rgnl

Mon 12/8

7:00 am-6:18 pm

2 stops9h 18m

$487

ChicagoLewiston

MDW - LWS

MDWLWS

Chicago Midway

Tue 4/14

2:00 pm-11:00 pm

2 stops11h 00m

Lewiston Nez Perce Rgnl

Sat 4/18

6:25 am-6:05 pm

2 stops9h 40m

$508

ChicagoLewiston

ORD - LWS

ORDLWS

Chicago O'Hare Intl

Sat 11/15

7:20 am-11:43 am

1 stop6h 23m

Lewiston Nez Perce Rgnl

Sat 11/22

12:23 pm-9:25 pm

1 stop7h 02m

$527

ChicagoLewiston

ORD - LWS

ORDLWS

Chicago O'Hare Intl

Tue 4/14

7:30 am-11:00 pm

1 stop17h 30m

Lewiston Nez Perce Rgnl

Wed 4/15

6:25 am-5:24 pm

1 stop8h 59m

$565

BloomingtonLewiston

BMI - LWS

BMILWS

Bloomington-Normal

Wed 4/15

6:01 am-11:00 pm

2 stops18h 59m

Lewiston Nez Perce Rgnl

Sat 4/18

6:25 am-10:23 pm

2 stops13h 58m

$678

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 11 results
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Best time to book a flight from Illinois to Lewiston

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

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

Currently, October is the cheapest month in which you can book a flight from Illinois to Lewiston, Idaho (average of $113). Flying from Illinois to Lewiston, Idaho in March is currently the most expensive (average of $280). 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 Illinois to Lewiston. 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 Lewiston from Illinois?

    Located just 1.9 mi from the city center, Lewiston Nez Perce Rgnl (LWS) is the airport most travelers will use when flying to Lewiston from Illinois.

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

    Airlines like Delta fly from Illinois to Lewiston, Idaho in about 10h 03m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 1445 mi.

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

    When deciding which route to take from Illinois to Lewiston, Idaho consider Chicago Midway - Lewiston Nez Perce Rgnl, Chicago O'Hare Intl - Lewiston Nez Perce Rgnl or Lambert-St Louis - Lewiston Nez Perce Rgnl as they are the most popular.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Illinois to Lewiston 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 Illinois to Lewiston, Idaho?

    Currently, October is the cheapest month in which you can book a flight from Illinois to Lewiston, Idaho (average of $113). Flying from Illinois to Lewiston, Idaho in March is currently the most expensive (average of $280). 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

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