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

Cheapflights users have booked flights from Lewiston, Idaho to San Diego round-trip from $276. This flight start at 43% lower than the current average price 3 months from now.

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

What is the cheapest time of day to fly from LWS to SAN?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Lewiston, Idaho to San Diego as you normally would.

Most accurate provider : When it comes to deals on Lewiston, Idaho-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Lewiston, Idaho-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Lewiston, Idaho-San Diego flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Lewiston, Idaho-San Diego flights, Cheapflights users trust FlightHub the most. FlightHub 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 Lewiston, Idaho-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Lewiston to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Find Cheap Flights from Lewiston, ID to San Diego

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Find flight deals from Lewiston to San Diego

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Popular in	April
Cheapest in	February
Average price	$416

Provider with most accurate pricing for Lewiston Nez Perce Rgnl-San Diego flight deals.

Search Deals

Provider most trusted by Cheapflights users for Lewiston Nez Perce Rgnl-San Diego flights.

Search Deals

Highest demand for flights based on searches. 2% potential increase in price ($14 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease ($30 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in March 2026

Search Deals

Most accurate provider: When it comes to deals on Lewiston, Idaho-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Lewiston, Idaho-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Lewiston, Idaho-San Diego flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Lewiston, Idaho-San Diego flights, Cheapflights users trust FlightHub the most. FlightHub 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 Lewiston, Idaho-San Diego 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 Lewiston to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Lewiston with our price prediction graph.

LWS-SAN

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 Lewiston to San Diego

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

Currently, June is the cheapest month in which you can book a flight from Lewiston, Idaho to San Diego (average of $89). Flying from Lewiston, Idaho to San Diego in March is currently the most expensive (average of $165). 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 San Diego

Get a feel of what it's like to fly with Delta from Lewiston to San Diego by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

7.9

Good

8,302 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

7.9

Good

8,302 reviews

Delta

7.9

Good

8,302 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

What is the cheapest airline to fly from Lewiston, Idaho to San Diego round-trip?
Cheapflights users have booked flights from Lewiston, Idaho to San Diego round-trip from $276. This flight start at 43% lower than the current average price 3 months from now.
Can I find deals for flights from Lewiston to San Diego that include hotel bookings?
Yes. In addition to deals on Lewiston to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Lewiston to San Diego?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Lewiston to San Diego.
Can I find deals for business class flights from Lewiston to San Diego?
Yes. Cheapflights offers flight deals from Lewiston to San Diego 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 Lewiston, Idaho to San Diego?
Currently, June is the cheapest month in which you can book a flight from Lewiston, Idaho to San Diego (average of $89). Flying from Lewiston, Idaho to San Diego in March is currently the most expensive (average of $165). 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.

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Top airline flying from Lewiston to San Diego

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$276	Average$486	FlexibilityNo cancel fee	On-timeN/A

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Cheap flights from Lewiston, ID to San Diego (LWS - SAN)

Find cheap flights from Lewiston to San Diego with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Lewiston to San Diego

Most accurate provider

Most trusted provider

Popular in

Cheapest in

Average price

Best time to book a flight from Lewiston to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Lewiston with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Lewiston to San Diego

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

Reviews of airlines servicing San Diego

Get a feel of what it's like to fly with Delta from Lewiston to San Diego by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Lewiston to San Diego. 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 Lewiston, Idaho to San Diego round-trip?

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

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

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

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

Traveling to a place near San Diego?

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Alternative routes for Lewiston to San Diego

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Complete your trip

Complete your trip to San Diego by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Lewiston to San Diego by cabin class

Find flights from Lewiston to San Diego, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Lewiston and San Diego flights

Browse other Lewiston and San Diego flight options. Last updated on March 20, 2026.

Other flights from Lewiston

Browse through other flights departing from Lewiston. Flights are based on user searches made on Cheapflights and were last updated on March 20, 2026.

Popular flight searches

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Other flights to San Diego

Explore flights to San Diego departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on March 20, 2026.

Top airline flying from Lewiston to San Diego

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