In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit San Francisco when rainfall is around 0.0 in.

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

What is the cheapest time of day to fly from YQL to SFO?

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

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

Most trusted provider : When it comes to deals on Lethbridge-San Francisco 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 Lethbridge-San Francisco 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 Lethbridge to San Francisco that include hotel bookings?

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

How can I find direct flights from Lethbridge to San Francisco?

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

Can I find deals for business class flights from Lethbridge to San Francisco?

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

$165+ Flights from Lethbridge to San Francisco

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Cheap flight deals from Lethbridge to San Francisco

Most accurate provider	FlightHub 3 stars
Most trusted provider	Expedia 3 stars

Provider with most accurate pricing for Lethbridge-San Francisco flight deals.

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Provider most trusted by Cheapflights users for Lethbridge-San Francisco flights.

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One-way flights from Lethbridge to San Francisco
Search for one-way flight options from Lethbridge to San Francisco. Find affordable one-way fares based on user searches. Data last updated November 2, 2025.

Mon 12/154:50 pmYQL - SFO

3 stops17h 40mMultiple Airlines

Deal found 10/31

$165

Mon 12/154:50 pmYQL - SFO

1 stop20h 22mWestJet

Deal found 10/31

$981

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

LethbridgeSan Francisco

YQL - SFO

YQLSFO

Lethbridge

Mon 12/15

4:50 pm-9:30 am

3 stops17h 40m

$165

LethbridgeSan Francisco

YQL - SFO

YQLSFO

Lethbridge

Mon 12/15

4:50 pm-12:12 pm

1 stop20h 22m

$981

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/31

Compare providers for flights from Lethbridge to San Francisco

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Lethbridge to San Francisco in November.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

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

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Lethbridge 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.

Related info for your journey

Can I find deals for flights from Lethbridge to San Francisco that include hotel bookings?
Yes. In addition to deals on Lethbridge to San Francisco flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Lethbridge to San Francisco?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Lethbridge to San Francisco.
Can I find deals for business class flights from Lethbridge to San Francisco?
Yes. Cheapflights offers flight deals from Lethbridge to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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$165+ Cheap flights from Lethbridge (YQL) to San Francisco (SFO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/15. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Lethbridge to San Francisco with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Lethbridge to San Francisco

Most accurate provider

Most trusted provider

Find flight deals from Lethbridge to San Francisco

One-way flights from Lethbridge to San FranciscoSearch for one-way flight options from Lethbridge to San Francisco. Find affordable one-way fares based on user searches. Data last updated November 2, 2025.

Search for one-way flight options from Lethbridge to San Francisco. Find affordable one-way fares based on user searches. Data last updated November 2, 2025.