HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Lewiston

$456+ Cheap flights from San Diego to Lewiston, ID (SAN - 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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — LWS
May 3 — May 101
Sun 5/3
Sun 5/10
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Diego 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.

Cheap flight deals from San Diego to Lewiston

Cheapest flights from San Diego to Lewiston
Explore the most affordable flight options available from San Diego to Lewiston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 3, 2026.

This Delta deal was found by Cheapflights users on 3/30. 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 9/116:15 am
SAN
-
LWS
1 stop5h 27m
Delta
Fri 9/186:25 am
LWS
-
SAN
1 stop6h 12m
Delta
Deal found 3/30$456
This Delta deal was found by Cheapflights users on 4/1. 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.
Wed 4/156:15 am
SAN
-
LWS
1 stop5h 18m
Delta
Sat 4/256:09 am
LWS
-
SAN
2 stops8h 41m
Delta
Deal found 4/1$522
This Delta deal was found by Cheapflights users on 4/2. 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 6/116:15 am
SAN
-
LWS
1 stop5h 21m
Delta
Wed 6/179:14 am
LWS
-
SAN
1 stop6h 05m
Delta
Deal found 4/2$542
This Delta deal was found by Cheapflights users on 3/31. 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 4/33:40 pm
SAN
-
LWS
1 stop7h 20m
Delta
Wed 4/156:09 am
LWS
-
SAN
1 stop6h 29m
Delta
Deal found 3/31$716
This Delta deal was found by Cheapflights users on 3/29. 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.
Tue 4/146:51 pm
SAN
-
LWS
1 stop5h 17m
Delta
Sat 4/1812:13 pm
LWS
-
SAN
2 stops10h 23m
Delta
Deal found 3/29$778

Find flight deals from San Diego to Lewiston

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) 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 April 3, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$456
(Delta)
Provider with most accurate pricing for San Diego-Lewiston Nez Perce Rgnl flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Diego-Lewiston Nez Perce Rgnl flights.
Search Deals
From San Diego to Lewiston Nez Perce Rgnl
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Diego 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 April 3, 2026.
Use the filters below to find and compare flights from San Diego to Lewiston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San DiegoLewiston

SAN - LWS

SANLWS

San Diego

Wed 4/15

6:15 am-11:33 am

1 stop5h 18m

Lewiston Nez Perce Rgnl

Sat 4/25

6:09 am-2:50 pm

2 stops8h 41m

$522
Quickest round-trip

San DiegoLewiston

SAN - LWS

SANLWS

San Diego

Thu 6/11

6:15 am-11:36 am

1 stop5h 21m

Lewiston Nez Perce Rgnl

Wed 6/17

9:14 am-3:19 pm

1 stop6h 05m

$542

San DiegoLewiston

SAN - LWS

SANLWS

San Diego

Tue 4/14

6:51 pm-12:08 am

1 stop5h 17m

Lewiston Nez Perce Rgnl

Sat 4/18

12:13 pm-10:36 pm

2 stops10h 23m

$778

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Sorted by cheapest first
  • Most accurate provider: When it comes to deals on San Diego-Lewiston, Idaho flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on San Diego-Lewiston, Idaho flight deals on Cheapflights vs. Expedia <90% of the time. Price accuracy is based on data collected from San Diego-Lewiston, Idaho flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Diego-Lewiston, Idaho flights, Cheapflights users trust Expedia the most. Expedia 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 San Diego-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 San Diego to Lewiston

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

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

Currently, June is the cheapest month in which you can book a flight from San Diego to Lewiston, Idaho (average of $98). Flying from San Diego to Lewiston, Idaho in April is currently the most expensive (average of $175). 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 April 3, 2026.
See what other customers who have flown with Delta from San Diego to Lewiston have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,374 reviews

Comfort

7.9

Food

7.2

Overall

7.9

Crew

8.5

Boarding

8.1

Entertainment

7.8

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
8,374 reviews
Delta
7.9
Good
8,374 reviews

Comfort

7.9

Food

7.2

Overall

7.9

Crew

8.5

Boarding

8.1

Entertainment

7.8

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 San Diego to Lewiston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    A quick flight from San Diego to Lewiston, Idaho can take about 5h 18m. Delta provides one of the quickest options available for as low as $522. Airlines will cover a distance of 942 mi.

  • What is the cheapest airline to fly from San Diego to Lewiston, Idaho round-trip?

    Cheapflights users have booked flights from San Diego to Lewiston, Idaho round-trip from $263.

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

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

  • How can I find direct flights from San Diego to Lewiston?

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

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

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

    Currently, June is the cheapest month in which you can book a flight from San Diego to Lewiston, Idaho (average of $98). Flying from San Diego to Lewiston, Idaho in April is currently the most expensive (average of $175). 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.

Top airline flying from San Diego to Lewiston

Discover the top airline that operate flights from San Diego 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 April 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$263Average$446FlexibilityNo 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.