What is the cheapest month to book a flight from Lethbridge to San Francisco?

Currently, January is the cheapest month in which you can book a flight from Lethbridge to San Francisco (average of C$ 276). Flying from Lethbridge to San Francisco in December is currently the most expensive (average of C$ 368). 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.

What is the cheapest day to fly from Lethbridge to San Francisco?

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

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 112.0 mm per month. January is typically the wettest month, when rainfall can reach 112.0 mm. July is typically the driest time to visit San Francisco when rainfall is around 0.0 mm.

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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

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

It’s optimal to fly from Lethbridge to San Francisco in the morning. By choosing this option you can save up to 2% on the cost of your flight, compared to a flight at noon.

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.

C$ 196+ Flights from Lethbridge to San Francisco

Find flight deals from Lethbridge to San Francisco

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 16 September 2025.

Wed 29/104:50 p.m.YQL - SFO

3 stops17h 40mMultiple Airlines

Deal found 13/9C$ 196

Fri 31/104:50 p.m.YQL - SFO

2 stops17h 40mMultiple Airlines

Deal found 15/9C$ 210

Thu 30/104:50 p.m.YQL - SFO

3 stops29h 45mMultiple Airlines

Deal found 14/9C$ 278

Thu 30/104:50 p.m.YQL - SFO

1 stop20h 22mWestJet

Deal found 14/9C$ 363

Wed 29/104:50 p.m.YQL - SFO

1 stop20h 22mWestJet

Deal found 13/9C$ 1,350

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

Wed 29/10

4:50 p.m.-9:30 a.m.

3 stops17h 40m

C$ 196

LethbridgeSan Francisco

YQL - SFO

YQLSFO

Lethbridge

Fri 31/10

4:50 p.m.-9:30 a.m.

2 stops17h 40m

C$ 210

LethbridgeSan Francisco

YQL - SFO

YQLSFO

Lethbridge

Thu 30/10

4:50 p.m.-9:35 p.m.

3 stops29h 45m

C$ 278

LethbridgeSan Francisco

YQL - SFO

YQLSFO

Lethbridge

Thu 30/10

4:50 p.m.-12:12 p.m.

1 stop20h 22m

C$ 363

LethbridgeSan Francisco

YQL - SFO

YQLSFO

Lethbridge

Wed 29/10

4:50 p.m.-12:12 p.m.

1 stop20h 22m

C$ 1,350

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/9

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.
What is the cheapest month to book a flight from Lethbridge to San Francisco?
Currently, January is the cheapest month in which you can book a flight from Lethbridge to San Francisco (average of C$ 276). Flying from Lethbridge to San Francisco in December is currently the most expensive (average of C$ 368). 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

Richmond

Newark

Alameda

Redwood City

Burlingame

San Bruno

South San Francisco

Scotts Valley

Belmont

Novato

Millbrae

Santa Clara

Vallejo

Browse thousands of different options on Cheapflights for your next trip

Fly with Cheapflights

How does Cheapflights help users find flights from Lethbridge to San Francisco?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Lethbridge to San Francisco. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Lethbridge to San Francisco?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Lethbridge to San Francisco for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Lethbridge to San Francisco with no change fees?

Yes, we can. To see specific flights from Lethbridge to San Francisco with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Lethbridge to San Francisco become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to San Francisco from Lethbridge today and book when prices fit your budget.

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.

Cheap flights from Lethbridge to San Francisco from C$ 196

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 29/10. Fares are subject to change and may not be available on all flights or dates of travel.

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 16 September 2025.

Search for one-way flight options from Lethbridge to San Francisco. Find affordable one-way fares based on user searches. Data last updated 16 September 2025.

Cheapflights Fare Finder

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

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.

Related info for your journey

Find useful and relevant information for your journey from Lethbridge to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

Can I find deals for flights from Lethbridge to San Francisco that include hotel bookings?

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

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

What is the cheapest month to book a flight from Lethbridge to San Francisco?

Travelling to a place near San Francisco?

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 Lethbridge to San Francisco

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

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Lethbridge to San Francisco?

Why should you use Cheapflights to find cheap flight tickets from Lethbridge to San Francisco?

Can Cheapflights find flights from Lethbridge to San Francisco with no change fees?

Can Cheapflights notify me if prices for flights from Lethbridge to San Francisco become cheaper?

100% Free

Book with Flexibility

Travel Smart

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 16 September 2025.