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$163+ 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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
YHM — SFO
Oct 30 — Nov 61
Thu 10/30
Thu 11/6
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 September 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$257
(FlightHub)

One-way from

$163
(FlightHub)

Popular in

August

Cheapest in

September

Average price

$260
Provider with most accurate pricing for Hamilton-San Francisco flight deals.
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Provider most trusted by Cheapflights users for Hamilton-San Francisco flights.
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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. 33% potential increase in price ($239 potential increase over avg. RT price).
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Cheapest flight prices on average. 24% potential price decrease ($95 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 30, 2025.

This FlightHub deal was found by Cheapflights users on 9/29. 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.
Tue 10/216:00 amYHM - SFO
1 stop8h 54mWestJet
Fri 10/2412:50 pmSFO - YHM
1 stop8h 50mWestJet
Deal found 9/29$257
This Kiwi.com deal was found by Cheapflights users on 9/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/18:15 amYHM - SFO
1 stop29h 15mMultiple Airlines
Tue 11/410:15 amSFO - YHM
1 stop29h 45mMultiple Airlines
Deal found 9/29$317
This Trip.com deal was found by Cheapflights users on 9/30. 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 10/206:00 amYHM - SFO
1 stop8h 54mWestJet
Fri 10/2412:50 pmSFO - YHM
1 stop8h 50mWestJet
Deal found 9/30$328
This FlightHub deal was found by Cheapflights users on 9/30. 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 11/126:10 pmYHM - SFO
1 stop21h 02mWestJet
Tue 12/91:00 pmSFO - YHM
1 stop25h 17mWestJet
Deal found 9/30$331
This Kiwi.com deal was found by Cheapflights users on 9/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/18:15 amYHM - SFO
1 stop29h 15mMultiple Airlines
Thu 11/610:15 amSFO - YHM
1 stop29h 45mMultiple Airlines
Deal found 9/30$334
This FlightHub deal was found by Cheapflights users on 9/30. 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.
Sat 10/186:00 amYHM - SFO
1 stop8h 54mWestJet
Tue 10/2112:50 pmSFO - YHM
1 stop8h 50mWestJet
Deal found 9/30$343
This FlightHub deal was found by Cheapflights users on 9/29. 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.
Thu 11/136:10 pmYHM - SFO
1 stop21h 02mWestJet
Tue 11/181:00 pmSFO - YHM
1 stop25h 17mWestJet
Deal found 9/29$352
This FlightHub deal was found by Cheapflights users on 9/30. 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.
Tue 10/216:00 amYHM - SFO
1 stop8h 54mWestJet
Sat 10/2512:50 pmSFO - YHM
1 stop25h 27mWestJet
Deal found 9/30$353
This oojo deal was found by Cheapflights users on 9/30. 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.
Sun 10/196:00 amYHM - SFO
1 stop8h 54mWestJet
Fri 10/2412:50 pmSFO - YHM
1 stop8h 50mWestJet
Deal found 9/30$357
This FlightHub deal was found by Cheapflights users on 9/30. 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.
Tue 10/216:00 amYHM - SFO
1 stop8h 54mWestJet
Tue 10/281:00 pmSFO - YHM
1 stop25h 17mWestJet
Deal found 9/30$375

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 September 30, 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

Wed 11/12

6:10 pm-12:12 pm

1 stop21h 02m

San Francisco

Tue 12/9

1:00 pm-5:17 pm

1 stop25h 17m

$331

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Tue 10/21

6:00 am-11:54 am

1 stop8h 54m

San Francisco

Sat 10/25

12:50 pm-5:17 pm

1 stop25h 27m

$353

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Sat 11/1

2:35 pm-1:12 pm

1 stop25h 37m

San Francisco

Tue 11/4

1:00 pm-7:00 pm

2 stops27h 00m

$364

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Thu 10/30

6:10 pm-12:12 pm

1 stop21h 02m

San Francisco

Sun 11/2

1:00 pm-5:17 pm

1 stop25h 17m

$403

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Wed 10/15

2:55 pm-9:30 am

2 stops21h 35m

San Francisco

Thu 10/23

10:15 am-12:40 am

2 stops11h 25m

$411

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Thu 12/11

6:10 pm-12:12 pm

1 stop21h 02m

San Francisco

Tue 1/6

1:00 pm-5:17 pm

1 stop25h 17m

$414

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Fri 10/17

6:00 am-9:24 pm

1 stop18h 24m

San Francisco

Mon 10/20

7:30 am-12:40 am

1 stop14h 10m

$417

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Tue 10/14

2:55 pm-9:30 am

2 stops21h 35m

San Francisco

Tue 10/21

10:15 am-12:40 am

2 stops11h 25m

$444

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Wed 10/15

6:00 am-11:54 am

1 stop8h 54m

San Francisco

Tue 10/21

12:50 pm-12:40 am

1 stop8h 50m

$462

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Tue 3/17

5:50 am-12:10 pm

1 stop9h 20m

$167

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/29

Showing 1-10 of 19 results
1
2

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 September.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
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 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, 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 $357). 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 21h 02m. 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, 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 $357). 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
Turlock
Antioch
Watsonville
Santa Clara
Manteca
Sunnyvale
Hollister
Vacaville
Foster City
Union City
Vallejo
Fairfield
Burlingame
Redwood City
San Mateo
San Leandro

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