$1,042+ Cheap flights from San Francisco (SFO) to Lethbridge (YQL)
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 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — YQL
Oct 15 — Oct 221
1 adult, Economy
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Cheapest flights from San Francisco to LethbridgeExplore the most affordable flight options available from San Francisco to Lethbridge. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.
Explore the most affordable flight options available from San Francisco to Lethbridge. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.
This oojo deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/192:45 pmSFO - YQL
2 stops24h 45mWestJet
Sun 9/215:00 pmYQL - SFO
2 stops21h 57mWestJet
Deal found 9/15![WestJet logo]()
$1,042
This Mytrip deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/192:45 pmSFO - YQL
2 stops24h 45mMultiple Airlines
Sun 9/215:00 pmYQL - SFO
3 stops17h 30mMultiple Airlines
Deal found 9/15![Multiple Airlines logo]()
$1,319
Cheapflights Fare Finder
Customize your flight search to find flights from San Francisco to Lethbridge that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 15, 2025.
Use the filters below to find and compare flights from San Francisco to Lethbridge that are best for you.
Fly from
San Francisco
Fly to
Lethbridge
Route
Depart
Return
Price
San FranciscoLethbridge
SFO - YQL
SFOYQL
San Francisco
Fri 9/19
2:45 pm-4:30 pm
2 stops24h 45m
Lethbridge
Sun 9/21
5:00 pm-1:57 pm
2 stops21h 57m
$1,042
San FranciscoLethbridge
SFO - YQL
SFOYQL
San Francisco
Fri 9/19
2:45 pm-4:30 pm
2 stops24h 45m
Lethbridge
Sun 9/21
5:00 pm-9:30 am
3 stops17h 30m
$1,319
Best time to book a flight from San Francisco to Lethbridge
Have a flexible travel schedule? Discover the best time to fly to Lethbridge from San Francisco 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.