Cheap flights from Lethbridge to San Francisco from C$ 479
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 4/12. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Lethbridge to San Francisco
Discover tips and strategies to find the most affordable flight options for your journey from Lethbridge (YQL) to San Francisco (SFO). 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 22 October 2025.
Find flight deals from Lethbridge to San Francisco
Cheapest flights from Lethbridge to San FranciscoExplore the most affordable flight options available from Lethbridge to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 October 2025.
Explore the most affordable flight options available from Lethbridge to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 October 2025.
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
Thu 4/12
4:50 p.m.-12:12 p.m.
1 stop20h 22m
San Francisco
Thu 11/12
10:15 a.m.-4:20 p.m.
2 stops29h 05m
LethbridgeSan Francisco
YQL - SFO
YQLSFO
Lethbridge
Thu 4/12
4:50 p.m.-12:12 p.m.
1 stop20h 22m
San Francisco
Thu 11/12
1:00 p.m.-4:20 p.m.
1 stop26h 20m
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
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Alternative routes for Lethbridge to San Francisco
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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.