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$149+ 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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
YHM — SFO
Jan 25 — Feb 11
Sun 1/25
Sun 2/1
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 December 26, 2025.

This WestJet deal was found by Cheapflights users on 12/24. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:10 pmYHM - SFO
2 stops44h 21mWestJet
Sun 1/111:00 pmSFO - YHM
1 stop25h 17mWestJet
Deal found 12/24$872
This WestJet deal was found by Cheapflights users on 12/24. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:10 pmYHM - SFO
2 stops44h 21mWestJet
Thu 1/151:00 pmSFO - YHM
1 stop21h 22mWestJet
Deal found 12/24$1,027
This WestJet deal was found by Cheapflights users on 12/24. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:10 pmYHM - SFO
2 stops49h 10mWestJet
Wed 1/148:55 amSFO - YHM
2 stops29h 22mWestJet
Deal found 12/24$1,077
This WestJet deal was found by Cheapflights users on 12/24. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/286:10 pmYHM - SFO
2 stops26h 40mWestJet
Mon 1/121:20 pmSFO - YHM
2 stops48h 57mWestJet
Deal found 12/24$1,107
This Justfly.com deal was found by Cheapflights users on 12/24. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:10 pmYHM - SFO
2 stops49h 10mWestJet
Mon 12/294:55 pmSFO - YHM
2 stops45h 22mWestJet
Deal found 12/24$1,123
This FlightHub deal was found by Cheapflights users on 12/25. 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.
Wed 12/316:10 pmYHM - SFO
1 stop21h 02mWestJet
Tue 1/61:00 pmSFO - YHM
1 stop25h 17mWestJet
Deal found 12/25$1,206
This WestJet deal was found by Cheapflights users on 12/24. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:10 pmYHM - SFO
2 stops28h 48mWestJet
Wed 12/3112:26 pmSFO - YHM
2 stops25h 51mWestJet
Deal found 12/24$1,211
This oojo deal was found by Cheapflights users on 12/24. 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.
Wed 12/316:10 pmYHM - SFO
1 stop21h 02mWestJet
Sun 1/41:00 pmSFO - YHM
1 stop25h 17mWestJet
Deal found 12/24$1,373
This WestJet deal was found by Cheapflights users on 12/24. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/305:45 amYHM - SFO
2 stops15h 05mWestJet
Wed 1/148:55 amSFO - YHM
2 stops29h 22mWestJet
Deal found 12/24$1,536
This oojo deal was found by Cheapflights users on 12/24. 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.
Mon 12/296:10 pmYHM - SFO
1 stop21h 02mWestJet
Thu 1/151:00 pmSFO - YHM
1 stop21h 22mWestJet
Deal found 12/24$1,562

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 December 26, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$272
(Trip.com)

One-way from

$149
(Trip.com)

Popular in

August

Cheapest in

February

Average price

$518
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. 38% potential increase in price ($276 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 December 2025
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 December 26, 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

Tue 1/27

5:45 am-12:12 pm

1 stop9h 27m

San Francisco

Thu 1/29

1:00 pm-1:22 pm

1 stop21h 22m

$279

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Wed 1/14

6:10 pm-12:12 pm

1 stop21h 02m

San Francisco

Sun 1/18

1:00 pm-5:17 pm

1 stop25h 17m

$329

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

$335

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Thu 2/26

6:10 pm-12:10 pm

1 stop21h 00m

San Francisco

Tue 3/17

1:00 pm-5:16 pm

1 stop25h 16m

$340

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Mon 1/26

8:15 am-12:12 pm

2 stops30h 57m

San Francisco

Thu 2/5

10:15 am-11:35 pm

1 stop10h 20m

$345

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Thu 2/19

6:10 pm-12:10 pm

1 stop21h 00m

San Francisco

Tue 3/10

1:00 pm-5:16 pm

1 stop25h 16m

$345

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Wed 4/8

6:10 pm-12:10 pm

1 stop21h 00m

San Francisco

Tue 4/14

1:00 pm-5:16 pm

1 stop25h 16m

$362

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Fri 5/29

6:10 pm-5:14 pm

1 stop26h 04m

San Francisco

Tue 6/2

6:05 pm-5:10 pm

1 stop20h 05m

$367

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Tue 1/20

5:45 am-12:12 pm

1 stop9h 27m

San Francisco

Tue 2/3

1:00 pm-5:16 pm

1 stop25h 16m

$370

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Tue 1/20

5:45 am-12:12 pm

1 stop9h 27m

San Francisco

Tue 1/27

1:00 pm-5:17 pm

1 stop25h 17m

$380

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/24

Showing 1-10 of 21 results
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Compare providers for flights from Hamilton to San Francisco

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Hamilton to San Francisco in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Hamilton, Ontario-San Francisco flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Hamilton, Ontario-San Francisco flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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, April is the cheapest month in which you can book a flight from Hamilton, Ontario to San Francisco (average of $144). Flying from Hamilton, Ontario to San Francisco in December is currently the most expensive (average of $251). 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 9h 27m. 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, April is the cheapest month in which you can book a flight from Hamilton, Ontario to San Francisco (average of $144). Flying from Hamilton, Ontario to San Francisco in December is currently the most expensive (average of $251). 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
South San Francisco
Santa Cruz
Livermore
Turlock
Manteca
Watsonville
Redwood City
Sunnyvale
San Bruno
Daly City
Santa Clara
San Carlos
Vallejo
Hollister
San Ramon
Foster City
Union City
Davis
Emeryville

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