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$154+ Cheap flights from Hamilton, ON (YHM) to San Francisco (SFO)

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 8/29. Fares are subject to change and may not be available on all flights or dates of travel.
YHM — SFO
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheap flight deals from Hamilton to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Hamilton (YHM) 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 August 14, 2025.

Round-trip from

$265
(Bravofly)

One-way from

$154
(SmartFares)

Popular in

January

Cheapest in

September

Average price

$425
From Hamilton to San Francisco
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One-way flight from Hamilton to San Francisco
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Highest demand for flights based on searches. 24% potential increase in price ($122 potential increase over avg. RT price).
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Cheapest flight prices on average. 12% potential price decrease ($40 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Hamilton to San Francisco

Cheapest flights from Hamilton to San Francisco
Explore the most affordable flight options available from Hamilton to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This Bravofly deal was found by Cheapflights users on 8/13. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/276:00 amYHM - SFO
1 stop8h 54mWestJet
Sat 10/412:50 pmSFO - YHM
1 stop8h 50mWestJet
Deal found 8/13$265
This Trip.com deal was found by Cheapflights users on 8/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/106:00 amYHM - SFO
1 stop8h 54mMultiple Airlines
Tue 9/1610:15 amSFO - YHM
1 stop10h 44mMultiple Airlines
Deal found 8/14$275
This FlightHub deal was found by Cheapflights users on 8/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/296:00 amYHM - SFO
1 stop8h 56mWestJet
Mon 9/812:50 pmSFO - YHM
1 stop8h 50mWestJet
Deal found 8/14$283
This Trip.com deal was found by Cheapflights users on 8/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/316:00 amYHM - SFO
1 stop8h 56mWestJet
Thu 9/412:50 pmSFO - YHM
1 stop8h 50mWestJet
Deal found 8/14$284
This Mytrip deal was found by Cheapflights users on 8/13. 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.
Thu 9/46:00 amYHM - SFO
1 stop8h 54mWestJet
Sat 9/1312:50 pmSFO - YHM
1 stop8h 50mWestJet
Deal found 8/13$285
This Trip.com deal was found by Cheapflights users on 8/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/86:00 amYHM - SFO
1 stop8h 54mWestJet
Wed 10/2212:50 pmSFO - YHM
1 stop8h 50mWestJet
Deal found 8/14$286
This FlightHub deal was found by Cheapflights users on 8/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/36:00 amYHM - SFO
1 stop8h 54mWestJet
Mon 10/612:50 pmSFO - YHM
1 stop8h 50mWestJet
Deal found 8/13$287
This FlightHub deal was found by Cheapflights users on 8/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/56:00 amYHM - SFO
1 stop8h 54mWestJet
Sat 10/2512:50 pmSFO - YHM
1 stop8h 50mWestJet
Deal found 8/14$288
This FlightHub deal was found by Cheapflights users on 8/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/86:00 amYHM - SFO
1 stop8h 54mWestJet
Wed 9/1012:50 pmSFO - YHM
1 stop8h 50mWestJet
Deal found 8/13$289
This Trip.com deal was found by Cheapflights users on 8/13. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/86:00 amYHM - SFO
1 stop8h 54mWestJet
Sat 9/1312:50 pmSFO - YHM
1 stop8h 50mWestJet
Deal found 8/13$290
This Trip.com deal was found by Cheapflights users on 8/13. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/186:00 amYHM - SFO
1 stop8h 54mWestJet
Mon 10/612:50 pmSFO - YHM
1 stop8h 50mWestJet
Deal found 8/13$291
This oojo deal was found by Cheapflights users on 8/13. 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 9/196:00 amYHM - SFO
1 stop8h 54mWestJet
Sat 9/2712:50 pmSFO - YHM
1 stop8h 50mWestJet
Deal found 8/13$292

Cheapflights Fare Finder

 
Customize your flight search to find flights from Hamilton 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 2,558,603 searches. Data last updated August 14, 2025.
Use the filters below to find and compare flights from Hamilton to San Francisco that are best for you.

Fly from

Hamilton

Fly to

San Francisco

Route

Depart

Return

Price

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Sat 9/27

6:00 am-11:54 am

1 stop8h 54m

San Francisco

Sat 10/4

12:50 pm-12:40 am

1 stop8h 50m

$265

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Wed 9/10

6:00 am-11:54 am

1 stop8h 54m

San Francisco

Tue 9/16

10:15 am-11:59 pm

1 stop10h 44m

$275

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Thu 8/28

6:00 am-11:56 am

1 stop8h 56m

San Francisco

Thu 9/4

12:50 pm-12:40 am

1 stop8h 50m

$283

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Fri 8/29

6:00 am-11:56 am

1 stop8h 56m

San Francisco

Mon 9/8

12:50 pm-12:40 am

1 stop8h 50m

$283

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Sun 8/31

6:00 am-11:56 am

1 stop8h 56m

San Francisco

Mon 9/8

12:50 pm-12:40 am

1 stop8h 50m

$283

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Sun 8/31

6:00 am-11:56 am

1 stop8h 56m

San Francisco

Thu 9/4

12:50 pm-12:40 am

1 stop8h 50m

$284

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Sun 9/28

6:00 am-11:54 am

1 stop8h 54m

San Francisco

Sun 10/5

12:50 pm-12:40 am

1 stop8h 50m

$284

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Thu 9/4

6:00 am-11:54 am

1 stop8h 54m

San Francisco

Sat 9/13

12:50 pm-12:40 am

1 stop8h 50m

$285

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Fri 8/29

6:00 am-11:56 am

1 stop8h 56m

$154

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Sat 8/30

6:00 am-11:56 am

1 stop8h 56m

$154

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 16 results
1
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Best time to book a flight from Hamilton to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Hamilton 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.

Cheapflights Insights

Everything you need to know about your flight from Hamilton to San Francisco

What is the cheapest month to book a flight from Hamilton, Ontario to San Francisco?

Currently, January is the cheapest month in which you can book a flight from Hamilton, Ontario to San Francisco (average of $276). Flying from Hamilton, Ontario to San Francisco in June is currently the most expensive (average of $358). 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.

Related info for your journey

Find useful and relevant information for your journey from Hamilton 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 Hamilton to San Francisco that include hotel bookings?

    Yes. In addition to deals on Hamilton to San Francisco flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Hamilton to San Francisco?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Hamilton to San Francisco.

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

    Yes. Cheapflights offers flight deals from Hamilton 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 Hamilton, Ontario to San Francisco?

    Currently, January is the cheapest month in which you can book a flight from Hamilton, Ontario to San Francisco (average of $276). Flying from Hamilton, Ontario to San Francisco in June is currently the most expensive (average of $358). 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

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Roseville
Santa Cruz
Livermore
South San Francisco
Mountain View
Turlock
Santa Clara
Hollister
Antioch
Watsonville
Manteca
Sunnyvale
Newark
Milpitas
Campbell
Foster City
San Leandro
Burlingame
Redwood City
Vallejo

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