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Cheap flights from Lewiston, Idaho to Illinois from $365

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Lewiston, Idaho to Illinois departing on 2/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Lewiston, Idaho to Illinois

Cheap round-trip flights

Delta Logo
7:05 am - 11:10 pmLWS-STL
14h 05m2 stops
Delta Logo
7:30 am - 9:02 pmSTL-LWS
15h 32m2 stops
$365Delta
Find Deal
Sat, Feb 28 - Tue, Mar 3
Delta Logo
7:05 am - 9:44 amLWS-STL
24h 39m2 stops
Delta Logo
7:30 am - 11:50 amSTL-LWS
6h 20m1 stop
$411Delta
Find Deal
Sat, Feb 28 - Tue, Mar 3
Delta Logo
7:05 am - 9:44 amLWS-STL
24h 39m2 stops
Delta Logo
7:30 am - 11:50 amSTL-LWS
6h 20m1 stop
$451Delta
Find Deal
Sat, Feb 28 - Tue, Mar 3
Delta Logo
7:05 am - 5:15 pmLWS-ORD
8h 10m1 stop
Delta Logo
2:25 pm - 9:03 pmORD-LWS
8h 38m1 stop
$497Delta
Find Deal
Thu, Oct 2 - Tue, Oct 7
Delta Logo
7:05 am - 5:15 pmLWS-ORD
8h 10m1 stop
Delta Logo
2:10 pm - 9:03 pmORD-LWS
8h 53m2 stops
$523Delta
Find Deal
Thu, Oct 2 - Tue, Oct 7
Delta Logo
7:10 am - 5:10 pmLWS-ORD
8h 00m1 stop
Delta Logo
2:25 pm - 9:03 pmORD-LWS
8h 38m1 stop
$525Delta
Find Deal
Tue, Oct 14 - Wed, Oct 15
Delta Logo
12:30 pm - 12:37 amLWS-STL
10h 07m1 stop
Delta Logo
7:30 am - 11:50 amSTL-LWS
6h 20m1 stop
$577Delta
Find Deal
Sat, Feb 28 - Tue, Mar 3
Delta Logo
7:10 am - 5:10 pmLWS-ORD
8h 00m1 stop
Delta Logo
2:10 pm - 9:03 pmORD-LWS
8h 53m2 stops
$632Delta
Find Deal
Tue, Oct 14 - Wed, Oct 15
Delta Logo
7:05 am - 8:20 pmLWS-ORD
11h 15m2 stops
Delta Logo
10:30 am - 9:03 pmORD-LWS
12h 33m2 stops
$713Delta
Find Deal
Thu, Oct 2 - Tue, Oct 7
Delta Logo
7:05 am - 8:20 pmLWS-ORD
11h 15m2 stops
Delta Logo
2:10 pm - 9:03 pmORD-LWS
8h 53m2 stops
$715Delta
Find Deal
Thu, Oct 2 - Tue, Oct 7

Delta flights from Lewiston, Idaho to Illinois

Our best Delta deals on Lewiston, Idaho to Illinois flight tickets
Delta
Feb 28
LWS7:05 amLewiston Nez Perce Rgnl
14h 05m
2 stops
STL11:10 pmLambert-St Louis
Mar 3
STL7:30 amLambert-St Louis
15h 32m
2 stops
LWS9:02 pmLewiston Nez Perce Rgnl
$365
Find similar
Delta
Feb 28
LWS7:05 amLewiston Nez Perce Rgnl
24h 39m
2 stops
STL9:44 amLambert-St Louis
Mar 3
STL7:30 amLambert-St Louis
6h 20m
1 stop
LWS11:50 amLewiston Nez Perce Rgnl
$411
Find similar
Delta
Feb 28
LWS7:05 amLewiston Nez Perce Rgnl
24h 39m
2 stops
STL9:44 amLambert-St Louis
Mar 3
STL7:30 amLambert-St Louis
6h 20m
1 stop
LWS11:50 amLewiston Nez Perce Rgnl
$451
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Lewiston, Idaho 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, momondo users made 832,500 searches. Data last updated September 16, 2025.
Use the filters below to find and compare flights from Lewiston, Idaho to Illinois that are best for you.

Fly from

Fly to

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

7:30 am-9:02 pm

2 stops15h 32m

$365

LewistonSt. Louis

LWS - STL

LWSSTL

Lewiston Nez Perce Rgnl

Sat 2/28

7:05 am-9:44 am

2 stops24h 39m

Lambert-St Louis

Tue 3/3

7:30 am-11:50 am

1 stop6h 20m

$411

LewistonSt. Louis

LWS - STL

LWSSTL

Lewiston Nez Perce Rgnl

Sat 2/28

7:05 am-9:44 am

2 stops24h 39m

Lambert-St Louis

Tue 3/3

7:30 am-11:50 am

1 stop6h 20m

$451

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

Thu 10/2

7:05 am-5:15 pm

1 stop8h 10m

Chicago O'Hare Intl

Tue 10/7

2:10 pm-9:03 pm

2 stops8h 53m

$523

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

LewistonSt. Louis

LWS - STL

LWSSTL

Lewiston Nez Perce Rgnl

Sat 2/28

12:30 pm-12:37 am

1 stop10h 07m

Lambert-St Louis

Tue 3/3

7:30 am-11:50 am

1 stop6h 20m

$577

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

2:10 pm-9:03 pm

2 stops8h 53m

$632

LewistonChicago

LWS - ORD

LWSORD

Lewiston Nez Perce Rgnl

Thu 10/2

7:05 am-8:20 pm

2 stops11h 15m

Chicago O'Hare Intl

Tue 10/7

10:30 am-9:03 pm

2 stops12h 33m

$713

LewistonChicago

LWS - ORD

LWSORD

Lewiston Nez Perce Rgnl

Thu 10/2

7:05 am-8:20 pm

2 stops11h 15m

Chicago O'Hare Intl

Tue 10/7

2:10 pm-9:03 pm

2 stops8h 53m

$715

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Illinois from

How to get the cheapest flight ticket from Lewiston, Idaho to Illinois

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Illinois?

The cheapest day to depart from Lewiston, Idaho to Illinois is on a Thursday when prices can be found for as low as $282. Flights from Lewiston, Idaho to Illinois on a Sunday will generally be more expensive and average around $463. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Cheap Lewiston, Idaho to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Lewiston, Idaho to Illinois

Direct flights

None
There are no direct flights from Lewiston, Idaho to Illinois. There are no popular flight routes from Lewiston, Idaho to Illinois.
Search flight deals

  • When did momondo last update prices for flights from Lewiston Nez Perce Rgnl Airport to Illinois?

    Prices for flights from Lewiston Nez Perce Rgnl Airport to Illinois are refreshed on a daily basis.

  • How many operators does momondo search for flights from Lewiston Nez Perce Rgnl Airport to Illinois?

  • How old do you have to be to fly from Lewiston Nez Perce Rgnl Airport to Illinois?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Lewiston Nez Perce Rgnl Airport to Illinois.

  • What documentation or ID do you need to fly to Illinois?

    The travel and health documents required for your trip to Illinois can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Lewiston, Idaho to Illinois

Compare and see reviews for airlines that fly from Lewiston, Idaho to Illinois with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $258Free CancellationRating
7.9
7,957 reviews
Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from Lewiston to Illinois?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Lewiston to Illinois for you.

Can I find flights from Lewiston to Illinois with flexible booking policies on momondo?

Yes. All flights to Illinois from Lewiston on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Lewiston to Illinois?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Illinois from Lewiston.

I’m not ready to book a flight from Lewiston to Illinois right now. Can momondo alert me if prices change?

Price alerts on flights to Illinois from Lewiston are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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