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Cheap flights from Lethbridge to San Francisco from C$ 240

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 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
YQL — SFO
31 May — 7 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Lethbridge to San Francisco

Enter your travel dates to find the best prices.

Cheapest flights from Lethbridge to San Francisco
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 1 May 2026.

Tue 2/610:45 a.m.
YQL
-
SFO
1 stop6h 55m
WestJet
Sat 6/66:05 p.m.
SFO
-
YQL
1 stop14h 45m
WestJet
Deal found 26/4C$ 688
Sun 14/610:45 a.m.
YQL
-
SFO
1 stop6h 55m
Multiple Airlines
Sun 21/63:26 p.m.
SFO
-
YQL
2 stops41h 24m
Multiple Airlines
Deal found 30/4C$ 798
Sun 14/610:45 a.m.
YQL
-
SFO
2 stops36h 05m
WestJet
Sun 21/65:50 a.m.
SFO
-
YQL
2 stops27h 00m
WestJet
Deal found 30/4C$ 881

Find 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 1 May 2026.

Round-trip from

C$ 688

One-way from

C$ 240
WestJet
  • WestJet
  • 2/6-6/6
  • 2 total stops
  • 21h 40m total
  • Lethbridge to San Francisco
Search Deals
WestJet
  • WestJet
  • 12/6
  • 1 total stop
  • 6h 55m total
  • Lethbridge to San Francisco
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Lethbridge to San Francisco 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 629,999 searches. Data last updated 1 May 2026.
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

Cheapest round-trip
Quickest round-trip

LethbridgeSan Francisco

YQL - SFO

YQLSFO

Lethbridge

Tue 2/6

10:45 a.m.-4:40 p.m.

1 stop6h 55m

San Francisco

Sat 6/6

6:05 p.m.-9:50 a.m.

1 stop14h 45m

C$ 688

LethbridgeSan Francisco

YQL - SFO

YQLSFO

Lethbridge

Sun 14/6

10:45 a.m.-4:40 p.m.

1 stop6h 55m

San Francisco

Sun 21/6

3:26 p.m.-9:50 a.m.

2 stops41h 24m

C$ 798

LethbridgeSan Francisco

YQL - SFO

YQLSFO

Lethbridge

Sun 14/6

10:45 a.m.-9:50 p.m.

2 stops36h 05m

San Francisco

Sun 21/6

5:50 a.m.-9:50 a.m.

2 stops27h 00m

C$ 881
Cheapest one-way
Quickest one-way

LethbridgeSan Francisco

YQL - SFO

YQLSFO

Lethbridge

Fri 12/6

10:45 a.m.-4:40 p.m.

1 stop6h 55m

C$ 240

LethbridgeSan Francisco

YQL - SFO

YQLSFO

Lethbridge

Wed 10/6

10:45 a.m.-4:40 p.m.

1 stop6h 55m

C$ 258

LethbridgeSan Francisco

YQL - SFO

YQLSFO

Lethbridge

Fri 12/6

10:45 a.m.-7:35 p.m.

2 stops33h 50m

C$ 319

LethbridgeSan Francisco

YQL - SFO

YQLSFO

Lethbridge

Wed 10/6

10:45 a.m.-4:21 p.m.

2 stops30h 36m

C$ 398

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/4

Sorted by cheapest first

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

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.

  • How long is the flight from Lethbridge to San Francisco?

    Airlines like WestJet fly from Lethbridge to San Francisco in about 6h 55m. The time it takes to get you to your destination can typically vary by up to . The distance between Lethbridge and San Francisco is about 1539 km.

  • 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.

See more FAQs

Travelling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Burlingame
San Bruno
Roseville
Livermore
South San Francisco
Novato
Santa Clara
Vallejo

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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.

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