HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Lewiston

$627+ Cheap flights from Riverside, CA 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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LWS
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Riverside to Lewiston 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.

Find flight deals from Riverside to Lewiston

Cheapest flights from Riverside to Lewiston
Explore the most affordable flight options available from Riverside to Lewiston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 6, 2025.

This Delta deal was found by Cheapflights users on 11/4. 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 12/12:06 pmLAX - LWS
1 stop7h 00mDelta
Wed 12/107:00 amLWS - LAX
1 stop6h 15mDelta
Deal found 11/4$627
This Delta deal was found by Cheapflights users on 11/4. 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 12/12:06 pmLAX - LWS
1 stop7h 00mDelta
Tue 12/97:00 amLWS - LAX
2 stops9h 00mDelta
Deal found 11/4$633
This Delta deal was found by Cheapflights users on 11/4. 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 12/12:06 pmLAX - LWS
1 stop7h 00mDelta
Sun 12/77:00 amLWS - LAX
1 stop6h 15mDelta
Deal found 11/4$637
This Delta deal was found by Cheapflights users on 11/4. 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 12/12:06 pmLAX - LWS
1 stop7h 00mDelta
Mon 12/812:17 pmLWS - LAX
2 stops10h 56mDelta
Deal found 11/4$643
This Delta deal was found by Cheapflights users on 11/4. 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 12/12:06 pmLAX - LWS
1 stop7h 00mDelta
Fri 12/1212:17 pmLWS - LAX
1 stop5h 58mDelta
Deal found 11/4$647
This Delta deal was found by Cheapflights users on 11/6. 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 11/272:06 pmLAX - LWS
1 stop7h 00mDelta
Wed 12/37:00 amLWS - LAX
1 stop6h 15mDelta
Deal found 11/6$746
This Delta deal was found by Cheapflights users on 11/6. 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 11/79:20 amLAX - LWS
2 stops11h 43mDelta
Fri 11/147:00 amLWS - LAX
2 stops8h 09mDelta
Deal found 11/6$2,159

Cheap flight deals from Riverside to Lewiston

Keep the following information in mind while searching for Riverside to Lewiston flight deals. Data was last updated November 6, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$366
(Delta)
Provider with most accurate pricing for Los Angeles-Lewiston Nez Perce Rgnl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Lewiston Nez Perce Rgnl flights.
Search Deals
From Riverside to Lewiston Nez Perce Rgnl
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Riverside 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 November 6, 2025.
Use the filters below to find and compare flights from Riverside to Lewiston that are best for you.

Fly from

Riverside

Fly to

Lewiston

Route

Depart

Return

Price

Los AngelesLewiston

LAX - LWS

LAXLWS

Los Angeles

Mon 12/1

2:06 pm-9:06 pm

1 stop7h 00m

Lewiston Nez Perce Rgnl

Tue 12/9

12:17 pm-6:15 pm

1 stop5h 58m

$627

Los AngelesLewiston

LAX - LWS

LAXLWS

Los Angeles

Mon 12/1

2:06 pm-9:06 pm

1 stop7h 00m

Lewiston Nez Perce Rgnl

Wed 12/10

12:17 pm-6:15 pm

1 stop5h 58m

$627

Los AngelesLewiston

LAX - LWS

LAXLWS

Los Angeles

Mon 12/1

2:06 pm-9:06 pm

1 stop7h 00m

Lewiston Nez Perce Rgnl

Mon 12/8

12:17 pm-6:15 pm

1 stop5h 58m

$637

Los AngelesLewiston

LAX - LWS

LAXLWS

Los Angeles

Mon 12/1

2:06 pm-9:06 pm

1 stop7h 00m

Lewiston Nez Perce Rgnl

Sat 12/6

12:17 pm-6:15 pm

1 stop5h 58m

$637

Los AngelesLewiston

LAX - LWS

LAXLWS

Los Angeles

Mon 12/1

2:06 pm-9:06 pm

1 stop7h 00m

Lewiston Nez Perce Rgnl

Sun 12/7

7:00 am-1:15 pm

1 stop6h 15m

$637

Los AngelesLewiston

LAX - LWS

LAXLWS

Los Angeles

Mon 12/1

2:06 pm-9:06 pm

1 stop7h 00m

Lewiston Nez Perce Rgnl

Thu 12/11

12:17 pm-6:15 pm

1 stop5h 58m

$637

Los AngelesLewiston

LAX - LWS

LAXLWS

Los Angeles

Mon 12/1

2:06 pm-9:06 pm

1 stop7h 00m

Lewiston Nez Perce Rgnl

Fri 12/12

12:17 pm-8:43 pm

2 stops8h 26m

$643

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/4

Best time to book a flight from Riverside to Lewiston

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

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

Currently, June is the cheapest month in which you can book a flight from Riverside to Lewiston, Idaho (average of $39). Flying from Riverside to Lewiston, Idaho in December is currently the most expensive (average of $194). 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.

Reviews of airlines servicing Lewiston

Get insights into the airlines that provide service to Lewiston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Lewiston. Reviews last updated November 6, 2025.
Read through reviews of airlines operating flights from Riverside to Lewiston, such as Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,001 reviews

Crew

8.5

Entertainment

7.9

Overall

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
Delta
7.9
Good
8,001 reviews
Delta
7.9
Good
8,001 reviews

Crew

8.5

Entertainment

7.9

Overall

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Related info for your journey

Find useful and relevant information for your journey from Riverside 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 Riverside?

    For a flight from Riverside to Lewiston, you will be flying into Nez Perce Rgnl. Lewiston Nez Perce Rgnl (LWS) is just 1.9 mi from the center of the city. Nez Perce Rgnl is the only Lewiston airport and it handles 0 inbound flights from Riverside per day. 1 airline has flights to Lewiston Nez Perce Rgnl from Riverside on a regular basis.

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

    Airlines like Delta fly from Riverside to Lewiston, Idaho in about 7h. The time it takes to get you to your destination can typically vary by up to . The distance from Riverside to Lewiston, Idaho is about 862 mi.

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

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

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

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

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

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

    Currently, June is the cheapest month in which you can book a flight from Riverside to Lewiston, Idaho (average of $39). Flying from Riverside to Lewiston, Idaho in December is currently the most expensive (average of $194). 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 Riverside to Lewiston

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Spokane flights
Los Angeles to Boise flights
San Francisco to Boise flights
Santa Ana to Boise flights
Los Angeles to Jackson flights
Burbank to Boise flights
Ontario to Boise flights
San Francisco to Jackson flights
San Diego to Boise flights
Ontario to Spokane flights
San Francisco to Hailey flights
San Francisco to Spokane flights
San Jose to Boise flights
Oakland to Spokane flights
Sacramento to Boise flights
Oakland to Boise flights
Burbank to Spokane flights
Los Angeles to Hailey flights
Las Vegas to Boise flights
San Diego to Spokane flights
Santa Ana to Spokane flights
Sacramento to Spokane flights
Ontario to Jackson flights
San Diego to Jackson flights
Las Vegas to Spokane flights
San Jose to Spokane flights
Fresno to Boise flights
Long Beach to Boise flights
San Francisco to Pocatello flights
Palm Springs to Boise flights
Burbank to Jackson flights
Reno to Spokane flights
Sacramento to Idaho Falls flights
Reno to Boise flights
San Diego to Hailey flights
Santa Ana to Jackson flights
Ontario to Hailey flights
Long Beach to Spokane flights
Medford to Spokane flights
Sacramento to Jackson flights
Los Angeles to Idaho Falls flights
Santa Rosa to Boise flights
Santa Ana to Hailey flights
Medford to Boise flights
Santa Rosa to Spokane flights
Fresno to Spokane flights
San Luis Obispo to Spokane flights
Palm Springs to Spokane flights
Long Beach to Jackson flights
Ontario to Idaho Falls flights

Top airline flying from Riverside to Lewiston

Discover the top airline that operate flights from Riverside to Lewiston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$343Average$529FlexibilityNo cancel feeOn-timeN/A

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.