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Lewiston

$424+ 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 8/23. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — LWS
Jul 7 — Jul 141
Mon 7/7
Mon 7/14
1 adult, Economy
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Cheap 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 July 2, 2025.

Round-trip from

$424
(Delta)

Popular in

June

Cheapest in

February

Average price

$369
From San Diego to Lewiston Nez Perce Rgnl
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($44 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
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Find 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 July 2, 2025.

This Delta deal was found by Cheapflights users on 7/1. 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.
Sat 8/2311:10 amSAN - LWS
1 stop9h 53mDelta
Tue 8/267:05 amLWS - SAN
1 stop5h 57mDelta
Deal found 7/1$424

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 July 2, 2025.
Use the filters below to find and compare flights from San Diego to Lewiston that are best for you.

Fly from

San Diego

Fly to

Lewiston

Route

Depart

Return

Price

San DiegoLewiston

SAN - LWS

SANLWS

San Diego

Sat 8/23

11:10 am-9:03 pm

1 stop9h 53m

Lewiston Nez Perce Rgnl

Tue 8/26

7:05 am-1:02 pm

1 stop5h 57m

$424

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

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, February is the cheapest month in which you can book a flight from San Diego to Lewiston, Idaho (average of $278). Flying from San Diego to Lewiston, Idaho in July is currently the most expensive (average of $535). 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 July 2, 2025.
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
8.0
Very good
7,975 reviews

Overall

8.0

Crew

8.5

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

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
8.0
Very good
7,975 reviews
Delta
8.0
Very good
7,975 reviews

Overall

8.0

Crew

8.5

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

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.

  • 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 $424. This flight start at 2% lower than the current average price 3 months from now.

  • 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, February is the cheapest month in which you can book a flight from San Diego to Lewiston, Idaho (average of $278). Flying from San Diego to Lewiston, Idaho in July is currently the most expensive (average of $535). 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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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 July 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$248Average$368FlexibilityNo cancel feeOn-timeN/A

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