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$136+ 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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
YHM — SFO
Mar 13 — Mar 201
Fri 3/13
Fri 3/20
1 adult, Economy
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Cheap 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 February 11, 2026.

This oojo deal was found by Cheapflights users on 2/9. 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 5/86:10 pm
YHM
-
SFO
1 stop20h 50m
WestJet
Tue 5/126:00 am
SFO
-
YHM
1 stop8h 15m
WestJet
Deal found 2/9$264
This oojo deal was found by Cheapflights users on 2/10. 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 5/86:10 pm
YHM
-
SFO
1 stop20h 50m
WestJet
Tue 5/266:00 am
SFO
-
YHM
1 stop8h 15m
WestJet
Deal found 2/10$265
This Trip.com deal was found by Cheapflights users on 2/11. 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.
Fri 5/16:10 pm
YHM
-
SFO
1 stop20h 50m
WestJet
Fri 5/86:00 am
SFO
-
YHM
1 stop8h 15m
WestJet
Deal found 2/11$266
This Trip.com deal was found by Cheapflights users on 2/11. 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 5/216:10 pm
YHM
-
SFO
1 stop30h 45m
WestJet
Wed 5/276:00 am
SFO
-
YHM
1 stop8h 15m
WestJet
Deal found 2/11$267
This Trip.com deal was found by Cheapflights users on 2/11. 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 5/106:10 pm
YHM
-
SFO
1 stop20h 50m
WestJet
Sat 5/166:00 am
SFO
-
YHM
1 stop8h 15m
WestJet
Deal found 2/11$268
This oojo deal was found by Cheapflights users on 2/10. 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 5/296:10 pm
YHM
-
SFO
1 stop20h 50m
WestJet
Wed 6/36:00 am
SFO
-
YHM
1 stop8h 15m
WestJet
Deal found 2/10$271
This oojo deal was found by Cheapflights users on 2/9. 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.
Tue 3/105:50 am
YHM
-
SFO
1 stop9h 20m
WestJet
Tue 3/171:00 pm
SFO
-
YHM
1 stop25h 16m
WestJet
Deal found 2/9$272
This Trip.com deal was found by Cheapflights users on 2/10. 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.
Tue 6/26:10 pm
YHM
-
SFO
1 stop25h 30m
WestJet
Tue 6/96:00 am
SFO
-
YHM
1 stop8h 15m
WestJet
Deal found 2/10$277
This Trip.com deal was found by Cheapflights users on 2/8. 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 6/86:10 pm
YHM
-
SFO
1 stop30h 45m
WestJet
Mon 6/156:00 am
SFO
-
YHM
1 stop8h 15m
WestJet
Deal found 2/8$279

Find 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 February 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$264
(oojo)

One-way from

$136
(Super.com)

Popular in

August

Cheapest in

February

Average price

$236
Provider with most accurate pricing for Hamilton-San Francisco flight deals.
Search Deals
Provider most trusted by Cheapflights users for Hamilton-San Francisco flights.
Search Deals
From Hamilton to San Francisco
Search Deals
One-way flight from Hamilton to San Francisco
Search Deals
Highest demand for flights based on searches. 37% potential increase in price ($271 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 28% potential price decrease ($98 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 11, 2026.
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

Fri 5/8

6:10 pm-12:00 pm

1 stop20h 50m

San Francisco

Tue 5/12

6:00 am-5:15 pm

1 stop8h 15m

$264

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Tue 3/10

5:50 am-12:10 pm

1 stop9h 20m

San Francisco

Tue 3/17

1:00 pm-5:16 pm

1 stop25h 16m

$272

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Fri 5/1

6:10 pm-12:00 pm

1 stop20h 50m

San Francisco

Wed 5/6

1:00 pm-5:15 pm

1 stop25h 15m

$300

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Wed 4/29

6:10 pm-9:55 pm

1 stop30h 45m

San Francisco

Wed 5/6

1:00 pm-5:15 pm

1 stop25h 15m

$301

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Wed 4/15

6:10 pm-12:10 pm

1 stop21h 00m

San Francisco

Sun 4/19

1:00 pm-5:16 pm

1 stop25h 16m

$311

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Tue 3/3

7:00 am-9:39 pm

2 stops17h 39m

San Francisco

Tue 3/10

1:00 pm-5:16 pm

1 stop25h 16m

$346

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Tue 3/10

5:50 am-12:10 pm

1 stop9h 20m

San Francisco

Tue 3/17

10:15 am-7:00 pm

1 stop29h 45m

$359

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Tue 3/3

5:50 am-12:10 pm

1 stop9h 20m

San Francisco

Tue 3/10

1:00 pm-5:16 pm

1 stop25h 16m

$362

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Tue 4/7

5:50 am-12:10 pm

1 stop9h 20m

San Francisco

Sun 4/12

1:00 pm-5:16 pm

1 stop25h 16m

$362

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Tue 4/7

5:50 am-12:10 pm

1 stop9h 20m

San Francisco

Tue 4/14

1:00 pm-5:16 pm

1 stop25h 16m

$368

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/10

Showing 1-10 of 21 results
1
2
3
  • Most accurate provider: When it comes to deals on Hamilton, Ontario-San Francisco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Hamilton, Ontario-San Francisco flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Hamilton, Ontario-San Francisco flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Hamilton, Ontario-San Francisco flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Hamilton, Ontario-San Francisco flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, February is the cheapest month in which you can book a flight from Hamilton, Ontario to San Francisco (average of $137). Flying from Hamilton, Ontario to San Francisco in December is currently the most expensive (average of $253). 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.

  • How long is the flight from Hamilton, Ontario to San Francisco?

    Departing from Hamilton, Ontario to San Francisco will take you 20h 50m. There are 2240 mi between Hamilton, Ontario and San Francisco.

  • 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, February is the cheapest month in which you can book a flight from Hamilton, Ontario to San Francisco (average of $137). Flying from Hamilton, Ontario to San Francisco in December is currently the most expensive (average of $253). 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
Santa Cruz
South San Francisco
Santa Clara
Roseville
Livermore
Watsonville
San Bruno
Daly City
Sunnyvale
Turlock
Vacaville
San Carlos
San Ramon
Redwood City
Rancho Cordova
San Lorenzo
Davis
Hollister
Manteca
Union City

Browse thousands of different options on Cheapflights for your next trip

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