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Cheap flights from Lethbridge to San Francisco from $170

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Lethbridge to San Francisco departing on 5/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Lethbridge to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
WestJet Logo
10:45 am - 9:55 pm
YQL
-
SFO
12h 10m
1 stop
WestJet Logo
6:05 pm - 9:50 am
SFO
-
YQL
14h 45m
1 stop
$441WestJet
Thu, May 28 - Mon, Jun 1
WestJet Logo
10:45 am - 9:19 pm
YQL
-
SFO
11h 34m
2 stops
WestJet Logo
6:05 pm - 9:50 am
SFO
-
YQL
14h 45m
1 stop
$509WestJet
Thu, May 28 - Mon, Jun 1
WestJet Logo
10:45 am - 1:36 pm
YQL
-
SFO
27h 51m
2 stops
WestJet Logo
6:05 pm - 9:50 am
SFO
-
YQL
14h 45m
1 stop
$510WestJet
Thu, May 28 - Mon, Jun 1
WestJet Logo
10:45 am - 12:00 pm
YQL
-
SFO
26h 15m
1 stop
WestJet Logo
6:05 pm - 9:50 am
SFO
-
YQL
14h 45m
1 stop
$528WestJet
Thu, May 28 - Mon, Jun 1
WestJet Logo
10:45 am - 12:00 pm
YQL
-
SFO
26h 15m
1 stop
WestJet Logo
6:05 pm - 9:50 am
SFO
-
YQL
14h 45m
1 stop
$529WestJet
Thu, May 28 - Mon, Jun 1
WestJet Logo
10:45 am - 7:20 pm
YQL
-
SFO
33h 35m
2 stops
WestJet Logo
6:05 pm - 9:50 am
SFO
-
YQL
14h 45m
1 stop
$545WestJet
Thu, May 28 - Mon, Jun 1
WestJet Logo
10:45 am - 9:19 pm
YQL
-
SFO
35h 34m
2 stops
WestJet Logo
6:05 pm - 9:50 am
SFO
-
YQL
14h 45m
1 stop
$546WestJet
Thu, May 28 - Mon, Jun 1
WestJet Logo
10:45 am - 12:00 pm
YQL
-
SFO
26h 15m
1 stop
WestJet Logo
6:05 pm - 9:50 am
SFO
-
YQL
14h 45m
1 stop
$556WestJet
Thu, May 28 - Mon, Jun 1
WestJet Logo
10:45 am - 1:36 pm
YQL
-
SFO
27h 51m
2 stops
WestJet Logo
5:55 am - 9:50 am
SFO
-
YQL
26h 55m
2 stops
$614WestJet
Thu, May 28 - Mon, Jun 1
WestJet Logo
10:45 am - 1:36 pm
YQL
-
SFO
27h 51m
2 stops
WestJet Logo
4:55 pm - 9:50 am
SFO
-
YQL
39h 55m
2 stops
$615WestJet
Thu, May 28 - Mon, Jun 1

WestJet flights from Lethbridge to San Francisco

Our best WestJet deals on Lethbridge to San Francisco flight tickets
WestJet
May 28
YQL10:45 amLethbridge
12h 10m
1 stop
SFO9:55 pmSan Francisco
Jun 1
SFO6:05 pmSan Francisco
14h 45m
1 stop
YQL9:50 amLethbridge
$441
WestJet
May 28
YQL10:45 amLethbridge
11h 34m
2 stops
SFO9:19 pmSan Francisco
Jun 1
SFO6:05 pmSan Francisco
14h 45m
1 stop
YQL9:50 amLethbridge
$509
WestJet
May 28
YQL10:45 amLethbridge
27h 51m
2 stops
SFO1:36 pmSan Francisco
Jun 1
SFO6:05 pmSan Francisco
14h 45m
1 stop
YQL9:50 amLethbridge
$510

momondo 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, momondo users made 832,500 searches. Data last updated April 3, 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

LethbridgeSan Francisco

YQL - SFO

YQLSFO

Lethbridge

Thu 5/28

10:45 am-9:55 pm

1 stop12h 10m

San Francisco

Mon 6/1

6:05 pm-9:50 am

1 stop14h 45m

$441
Quickest round-trip

LethbridgeSan Francisco

YQL - SFO

YQLSFO

Lethbridge

Thu 5/28

10:45 am-9:19 pm

2 stops11h 34m

San Francisco

Mon 6/1

6:05 pm-9:50 am

1 stop14h 45m

$509

LethbridgeSan Francisco

YQL - SFO

YQLSFO

Lethbridge

Thu 5/28

10:45 am-1:36 pm

2 stops27h 51m

San Francisco

Mon 6/1

6:05 pm-9:50 am

1 stop14h 45m

$510

LethbridgeSan Francisco

YQL - SFO

YQLSFO

Lethbridge

Thu 5/28

10:45 am-12:00 pm

1 stop26h 15m

San Francisco

Mon 6/1

6:05 pm-9:50 am

1 stop14h 45m

$528

LethbridgeSan Francisco

YQL - SFO

YQLSFO

Lethbridge

Thu 5/28

10:45 am-12:00 pm

1 stop26h 15m

San Francisco

Mon 6/1

6:05 pm-9:50 am

1 stop14h 45m

$529

LethbridgeSan Francisco

YQL - SFO

YQLSFO

Lethbridge

Thu 5/28

10:45 am-7:20 pm

2 stops33h 35m

San Francisco

Mon 6/1

6:05 pm-9:50 am

1 stop14h 45m

$545

LethbridgeSan Francisco

YQL - SFO

YQLSFO

Lethbridge

Thu 5/28

10:45 am-9:19 pm

2 stops35h 34m

San Francisco

Mon 6/1

6:05 pm-9:50 am

1 stop14h 45m

$546

LethbridgeSan Francisco

YQL - SFO

YQLSFO

Lethbridge

Thu 5/28

10:45 am-12:00 pm

1 stop26h 15m

San Francisco

Mon 6/1

6:05 pm-9:50 am

1 stop14h 45m

$556

LethbridgeSan Francisco

YQL - SFO

YQLSFO

Lethbridge

Thu 5/28

10:45 am-1:36 pm

2 stops27h 51m

San Francisco

Mon 6/1

5:55 am-9:50 am

2 stops26h 55m

$614

LethbridgeSan Francisco

YQL - SFO

YQLSFO

Lethbridge

Thu 5/28

10:45 am-1:36 pm

2 stops27h 51m

San Francisco

Mon 6/1

4:55 pm-9:50 am

2 stops39h 55m

$615

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Francisco from

How to get the cheapest flight ticket from Lethbridge to San Francisco

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Lethbridge to San Francisco?

WestJet is the most popular carrier operating from Lethbridge to San Francisco

When to book flights from Lethbridge to San Francisco

Are you open to changing your travel dates? Check out the ideal times to fly from Lethbridge to San Francisco according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Lethbridge to San Francisco (YQL to SFO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Lethbridge to San Francisco

Fastest flight time

20h 55m

Direct flights

None
The fastest flight from Lethbridge to San Francisco takes 20h 55m
There are no direct flights from Lethbridge to San Francisco. There are no popular flight routes from Lethbridge to San Francisco.
Search flight deals

Frequently asked questions about flying from Lethbridge to San Francisco

  • How far is Lethbridge to San Francisco by plane?

    San Francisco is 950.0 mi away from Lethbridge. By plane, this route typically takes 20h 55m.

  • When did momondo last update prices for flights from Lethbridge Airport to San Francisco Airport?

    Prices for flights from Lethbridge Airport to San Francisco Airport refresh daily.

  • How old do you have to be to fly from Lethbridge Airport to San Francisco Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lethbridge Airport to San Francisco Airport.

  • What documentation or ID do you need to fly to San Francisco Airport?

    The required travel and health documents for your San Francisco Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Francisco Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Santa Cruz
Carmel-by-the-Sea
Modesto
Sonoma
Bodega Bay
Walnut Creek
Roseville
Hayward
Berkeley
Santa Clara
Big Sur
Fremont
Vallejo
Calistoga
Salinas
Daly City
Half Moon Bay
Milpitas
South San Francisco
Pacific Grove

Why use momondo?

Why should I use momondo to find a flight deal from Lethbridge to San Francisco?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Francisco from Lethbridge.

Can I find flights from Lethbridge to San Francisco with flexible booking policies on momondo?

Yes. All flights to San Francisco from Lethbridge on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Lethbridge to San Francisco?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to San Francisco from Lethbridge.

I’m not ready to book a flight from Lethbridge to San Francisco right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Lethbridge to San Francisco flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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