$558+ Cheap flights from St. Louis to Lewiston, ID (STL - 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 12/25. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LWS
Jan 11 — Jan 181
1 adult, Economy
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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
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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 St. Louis to Lewiston
Cheapest flights from St. Louis to LewistonExplore the most affordable flight options available from St. Louis to Lewiston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.
Explore the most affordable flight options available from St. Louis to Lewiston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.
This Delta deal was found by Cheapflights users on 12/10. 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.
Thu 12/257:20 amSTL - LWS
1 stop6h 16mDelta
Mon 12/2912:16 pmLWS - STL
1 stop7h 18mDelta
Deal found 12/10![Delta logo]()
$558
This Delta deal was found by Cheapflights users on 12/10. 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 12/297:20 amSTL - LWS
1 stop6h 16mDelta
Sat 1/312:16 pmLWS - STL
1 stop7h 18mDelta
Deal found 12/10![Delta logo]()
$1,418
Find flight deals from St. Louis to Lewiston
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Lewiston (LWS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 12, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $558 (Delta) |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis 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 December 12, 2025.
Use the filters below to find and compare flights from St. Louis to Lewiston that are best for you.
Fly from
St. Louis
Fly to
Lewiston
Route
Depart
Return
Price
St. LouisLewiston
STL - LWS
STLLWS
Lambert-St Louis
Thu 12/25
7:20 am-11:36 am
1 stop6h 16m
Lewiston Nez Perce Rgnl
Mon 12/29
12:16 pm-9:34 pm
1 stop7h 18m
$558
St. LouisLewiston
STL - LWS
STLLWS
Lambert-St Louis
Fri 1/23
6:40 am-11:42 am
1 stop7h 02m
Lewiston Nez Perce Rgnl
Tue 2/24
12:24 pm-11:23 pm
2 stops8h 59m
$628
St. LouisLewiston
STL - LWS
STLLWS
Lambert-St Louis
Mon 12/29
7:20 am-11:36 am
1 stop6h 16m
Lewiston Nez Perce Rgnl
Sat 1/3
12:16 pm-9:34 pm
1 stop7h 18m
$1,418
Compare providers for flights from St. Louis to Lewiston
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Lewiston in December.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on St. Louis-Lewiston, Idaho flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on St. Louis-Lewiston, Idaho flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from St. Louis-Lewiston, Idaho flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on St. Louis-Lewiston, Idaho flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Lewiston, Idaho flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from St. Louis to Lewiston
Have a flexible travel schedule? Discover the best time to fly to Lewiston from St. Louis 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.