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 $248. This flight start at 42% lower than the current average price 3 months from now.

What is the cheapest day to fly from San Diego to Lewiston, Idaho?

Travelers seeking maximum savings on their San Diego to Lewiston, Idaho flight should consider departing on Thursday mornings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Lewiston, Idaho ranges from 0.3 - 1.7 inches per month. June is typically the wettest month, when rainfall can reach 1.7 in. August is typically the driest time to visit Lewiston, Idaho when rainfall is around 0.3 in.

If weather is an important factor for your trip to Lewiston, Idaho, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

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

Flying to your destination on a Thursday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Lewiston, Idaho. Check prices with Cheapflights to find a great deal for your trip.

What is the cheapest month to fly from San Diego to Lewiston, Idaho?

Flights from San Diego to Lewiston, Idaho lean towards being more expensive in April. Prices are generally better when you fly from San Diego to Lewiston, Idaho in February, with the cheapest ticket starting at $248.

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

A simple way to save on the total cost of your ticket is to fly from San Diego to Lewiston, Idaho in the afternoon. If you’re flexible enough to do this you can expect to save up to 18% on your trip compared to booking a flight in the morning.

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.

$426+ Cheap Flights from San Diego to Lewiston, ID

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Cheap flight deals from San Diego to Lewiston

Round-trip from	$426 (Delta)
Popular in	April
Cheapest in	February
Average price	$446

From San Diego to Lewiston Nez Perce Rgnl

Search Deals

Highest demand for flights based on searches. 10% potential increase in price ($52 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease ($26 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in August 2025

Search Deals

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 August 17, 2025.

Mon 9/16:15 amSAN - LWS

1 stop7h 04mDelta

Tue 9/167:05 amLWS - SAN

1 stop5h 52mDelta

Deal found 8/15

$426

Sun 11/166:15 amSAN - LWS

1 stop5h 27mDelta

Wed 11/1912:30 pmLWS - SAN

1 stop6h 16mDelta

Deal found 8/16

$646

Best flights from San Diego to Lewiston
Discover carefully curated flight deals from San Diego to Lewiston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 17, 2025.

Mon 9/16:15 amSAN - LWS

1 stop7h 04mDelta

Tue 9/167:05 amLWS - SAN

1 stop5h 52mDelta

Deal found 8/15

$426

Last-minute flights from San Diego to Lewiston
Discover last-minute flight deals from San Diego to Lewiston. Data last updated August 17, 2025 and is based on user searches.

Mon 9/16:15 amSAN - LWS

1 stop7h 04mDelta

Tue 9/167:05 amLWS - SAN

1 stop5h 52mDelta

Deal found 8/15

$426

Fly from

Fly to

Route

Depart

Return

Price

San DiegoLewiston

SAN - LWS

SANLWS

San Diego

Mon 9/1

6:15 am-1:19 pm

1 stop7h 04m

Lewiston Nez Perce Rgnl

Tue 9/16

7:05 am-12:57 pm

1 stop5h 52m

$426

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/15

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 June is currently the most expensive (average of $526). 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

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

7,986 reviews

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

7,986 reviews

Delta

8.0

Very good

7,986 reviews

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

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 $248. This flight start at 42% 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 June is currently the most expensive (average of $526). 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 San Diego to Lewiston

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$248	Average$377	FlexibilityNo cancel fee	On-timeN/A

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$426+ 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from San Diego to Lewiston with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from San Diego to Lewiston

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from San Diego to Lewiston

Cheapest flights from San Diego to LewistonExplore 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 August 17, 2025.

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 August 17, 2025.

Cheapflights Fare Finder

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

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.

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?

Reviews of airlines servicing Lewiston

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.

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?

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

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

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

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

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 San Diego to Lewiston

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from San Diego to Lewiston

100% Free

Book with Flexibility

Travel Smart

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 August 17, 2025.