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Lewiston

$317+ Cheap flights from Illinois to Lewiston, ID (LWS)

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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LWS
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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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 September 15, 2025.

Round-trip from

$476
(Delta)

One-way from

$317
(Delta)
From Illinois to Lewiston Nez Perce Rgnl
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One-way flight from Illinois to Lewiston Nez Perce Rgnl
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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 September 15, 2025.

This Delta deal was found by Cheapflights users on 9/13. 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 10/186:50 amSTL - LWS
1 stop8h 32mDelta
Thu 10/232:02 pmLWS - STL
1 stop8h 22mDelta
Deal found 9/13$476
This Delta deal was found by Cheapflights users on 9/13. 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 9/13$633
This Delta deal was found by Cheapflights users on 9/12. 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 9/276:05 amBMI - LWS
2 stops17h 00mDelta
Wed 10/17:05 amLWS - BMI
2 stops13h 06mDelta
Deal found 9/12$780
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.
Sat 9/276:00 amMDW - LWS
2 stops9h 22mDelta
Tue 9/307:05 amLWS - MDW
2 stops8h 30mDelta
Deal found 9/14$783
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.
Mon 9/297:55 amORD - LWS
1 stop7h 27mDelta
Fri 10/37:05 amLWS - ORD
1 stop8h 10mDelta
Deal found 9/14$851
This Delta deal was found by Cheapflights users on 9/13. 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.
Sun 9/287:40 amSTL - LWS
1 stop7h 42mDelta
Thu 10/27:05 amLWS - STL
2 stops7h 40mDelta
Deal found 9/13$872
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.
Mon 9/299:20 amMDW - LWS
2 stops13h 45mDelta
Fri 10/37:05 amLWS - MDW
2 stops8h 30mDelta
Deal found 9/14$877
This Delta deal was found by Cheapflights users on 9/13. 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 9/269:20 amMDW - LWS
2 stops13h 45mDelta
Mon 9/297:05 amLWS - MDW
2 stops8h 30mDelta
Deal found 9/13$1,893

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 September 15, 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 10/18

6:50 am-1:22 pm

1 stop8h 32m

Lewiston Nez Perce Rgnl

Thu 10/23

7:10 am-6:40 pm

2 stops9h 30m

$561

St. LouisLewiston

STL - LWS

STLLWS

Lambert-St Louis

Fri 11/7

2:29 pm-9:03 pm

2 stops8h 34m

Lewiston Nez Perce Rgnl

Tue 11/11

7:00 am-6:57 pm

2 stops9h 57m

$633

BloomingtonLewiston

BMI - LWS

BMILWS

Bloomington-Normal

Sat 9/27

6:05 am-9:05 pm

2 stops17h 00m

Lewiston Nez Perce Rgnl

Wed 10/1

7:05 am-10:11 pm

2 stops13h 06m

$780

ChicagoLewiston

MDW - LWS

MDWLWS

Chicago Midway

Sat 9/27

6:00 am-1:22 pm

2 stops9h 22m

Lewiston Nez Perce Rgnl

Tue 9/30

7:05 am-5:35 pm

2 stops8h 30m

$783

ChicagoLewiston

ORD - LWS

ORDLWS

Chicago O'Hare Intl

Mon 9/29

7:55 am-1:22 pm

1 stop7h 27m

Lewiston Nez Perce Rgnl

Fri 10/3

7:05 am-5:15 pm

1 stop8h 10m

$851

St. LouisLewiston

STL - LWS

STLLWS

Lambert-St Louis

Sun 9/28

7:40 am-1:22 pm

1 stop7h 42m

Lewiston Nez Perce Rgnl

Thu 10/2

7:05 am-4:45 pm

2 stops7h 40m

$872

ChicagoLewiston

MDW - LWS

MDWLWS

Chicago Midway

Mon 9/29

9:20 am-9:05 pm

2 stops13h 45m

Lewiston Nez Perce Rgnl

Fri 10/3

7:05 am-5:35 pm

2 stops8h 30m

$877

ChicagoLewiston

MDW - LWS

MDWLWS

Chicago Midway

Fri 9/26

9:20 am-9:05 pm

2 stops13h 45m

Lewiston Nez Perce Rgnl

Mon 9/29

7:05 am-5:35 pm

2 stops8h 30m

$1,893

St. LouisLewiston

STL - LWS

STLLWS

Lambert-St Louis

Wed 10/8

2:29 pm-9:03 pm

2 stops8h 34m

$317

St. LouisLewiston

STL - LWS

STLLWS

Lambert-St Louis

Mon 10/6

5:31 pm-9:03 pm

2 stops29h 32m

$338

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 15 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, February is the cheapest month in which you can book a flight from Illinois to Lewiston, Idaho (average of $278). Flying from Illinois to Lewiston, Idaho in May is currently the most expensive (average of $524). 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 8h 32m. 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 Lambert-St Louis - Lewiston Nez Perce Rgnl, Bloomington-Normal - Lewiston Nez Perce Rgnl or Chicago Midway - 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, February is the cheapest month in which you can book a flight from Illinois to Lewiston, Idaho (average of $278). Flying from Illinois to Lewiston, Idaho in May is currently the most expensive (average of $524). 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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