What is the cheapest airline to fly from San Francisco to Hamilton, Ontario round-trip?

Flying on WestJet is currently your cheapest option to Hamilton, Ontario, with prices starting at $321.

What is the cheapest day to fly from San Francisco to Hamilton, Ontario?

Travelers seeking maximum savings on their San Francisco to Hamilton, Ontario flight should consider departing on Sunday mornings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Hamilton, Ontario ranges from 2.3 - 4.0 inches per month. July is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Hamilton, Ontario when rainfall is around 2.3 in.

If weather is an important factor for your trip to Hamilton, Ontario, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

What is the cheapest day to fly round-trip from San Francisco to Hamilton, Ontario?

Users have found that leaving on a Saturday can be a cost-effective option. It’s possible to save up to 208% on your flight compared to booking on days when demand is much higher.

How far in advance should I book a flight from San Francisco to Hamilton, Ontario?

Travelers have found it’s best to book a flight 21 days in advance to save up to 39% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 21 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from San Francisco to Hamilton, Ontario 1-2 weeks in advance for as low as $381, or $520 for flights within the next 24 hours.

What is the cheapest month to fly from San Francisco to Hamilton, Ontario?

Flights from San Francisco to Hamilton, Ontario lean towards being more expensive in December. Prices are generally better when you fly from San Francisco to Hamilton, Ontario in February, with the cheapest ticket starting at $126.

Can I find deals for flights from San Francisco to Hamilton that include hotel bookings?

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

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

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

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

Yes. Cheapflights offers flight deals from San Francisco to Hamilton by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$153+ Flights from San Francisco to Hamilton, ON

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from San Francisco to Hamilton with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from San Francisco to Hamilton

Round-trip from	$321 (Trip.com)
One-way from	$153 (Mytrip)
Popular in	December
Cheapest in	February
Average price	$482

From San Francisco to Hamilton

Search Deals

One-way flight from San Francisco to Hamilton

Search Deals

Highest demand for flights based on searches. 11% potential increase in price ($57 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in July 2025

Search Deals

Find flight deals from San Francisco to Hamilton

Cheapest flights from San Francisco to Hamilton
Explore the most affordable flight options available from San Francisco to Hamilton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Wed 8/612:50 pmSFO - YHM

1 stop8h 51mWestJet

Sun 8/176:00 amYHM - SFO

1 stop8h 56mWestJet

Deal found 7/2

$322

Sat 9/67:07 pmSFO - YHM

2 stops26h 33mMultiple Airlines

Mon 9/86:00 amYHM - SFO

1 stop8h 54mMultiple Airlines

Deal found 7/1

$330

Best flights from San Francisco to Hamilton
Discover carefully curated flight deals from San Francisco to Hamilton that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 3, 2025.

Wed 8/612:50 pmSFO - YHM

1 stop8h 51mWestJet

Sun 8/176:00 amYHM - SFO

1 stop8h 56mWestJet

Deal found 7/2

$321

Sat 9/67:07 pmSFO - YHM

2 stops26h 33mMultiple Airlines

Mon 9/86:00 amYHM - SFO

1 stop8h 54mMultiple Airlines

Deal found 7/1

$330

Last-minute flights from San Francisco to Hamilton
Discover last-minute flight deals from San Francisco to Hamilton. Data last updated July 3, 2025 and is based on user searches.

Tue 7/87:30 amSFO - YHM

1 stop13h 13mMultiple Airlines

Tue 7/295:45 pmYHM - SFO

1 stop18h 45mMultiple Airlines

Deal found 7/1

$486

Wed 7/96:05 pmSFO - YHM

1 stop27h 36mWestJet

Tue 7/156:00 amYHM - SFO

1 stop9h 05mWestJet

Deal found 7/1

$529

Wed 8/612:50 pmSFO - YHM

1 stop8h 51mWestJet

Sun 8/176:00 amYHM - SFO

1 stop8h 56mWestJet

Deal found 7/2

$322

Thu 8/1410:15 amSFO - YHM

2 stops11h 26mMultiple Airlines

Fri 8/226:00 amYHM - SFO

1 stop8h 56mMultiple Airlines

Deal found 7/3

$370

One-way flights from San Francisco to Hamilton
Search for one-way flight options from San Francisco to Hamilton. Find affordable one-way fares based on user searches. Data last updated July 3, 2025.

Tue 9/212:50 pmSFO - YHM

1 stop8h 50mWestJet

Deal found 7/1

$153

Thu 7/317:30 amSFO - YHM

1 stop12h 43mMultiple Airlines

Deal found 7/2

$204

Cheapflights Fare Finder

Use the filters below to find and compare flights from San Francisco to Hamilton that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoHamilton

SFO - YHM

SFOYHM

San Francisco

Wed 8/6

12:50 pm-12:41 am

1 stop8h 51m

Hamilton

Sun 8/17

6:00 am-11:56 am

1 stop8h 56m

$322

San FranciscoHamilton

SFO - YHM

SFOYHM

San Francisco

Sat 9/6

7:07 pm-12:40 am

2 stops26h 33m

Hamilton

Mon 9/8

6:00 am-11:54 am

1 stop8h 54m

$330

San FranciscoHamilton

SFO - YHM

SFOYHM

San Francisco

Tue 9/2

12:50 pm-12:40 am

1 stop8h 50m

$153

San FranciscoHamilton

SFO - YHM

SFOYHM

San Francisco

Tue 7/29

7:30 am-11:53 pm

2 stops13h 23m

$209

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Best time to book a flight from San Francisco to Hamilton

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

What is the cheapest time of day to fly from SFO to YHM?

When flying from San Francisco to Hamilton, Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Hamilton

Read reviews from past customers who have flown WestJet from San Francisco to Hamilton. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

WestJet

7.2

Good

2,917 reviews

Reviews

1 / 20

10.0

Excellent

Sugith,Jan 2025

CUN - YYZ

On time departure. Good service on board. Comfort Plus seating was comfortable.

WestJet

7.2

Good

2,917 reviews

WestJet

7.2

Good

2,917 reviews

Reviews

1 / 20

10.0

Excellent

Sugith,Jan 2025

CUN - YYZ

On time departure. Good service on board. Comfort Plus seating was comfortable.

Related info for your journey

What is the cheapest airline to fly from San Francisco to Hamilton, Ontario round-trip?
Flying on WestJet is currently your cheapest option to Hamilton, Ontario, with prices starting at $321.
Can I find deals for flights from San Francisco to Hamilton that include hotel bookings?
Yes. In addition to deals on San Francisco to Hamilton flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from San Francisco to Hamilton?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Hamilton.
Can I find deals for business class flights from San Francisco to Hamilton?
Yes. Cheapflights offers flight deals from San Francisco to Hamilton by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for San Francisco to Hamilton

Los Angeles to Pearson Intl flights

San Francisco to Pearson Intl flights

Los Angeles to Pierre Elliott Trudeau Intl flights

San Francisco to Pierre Elliott Trudeau Intl flights

Los Angeles to Toronto Island flights

Ontario to Pearson Intl flights

Los Angeles to Region of Waterloo Intl flights

Los Angeles to Hamilton flights

San Diego to Pearson Intl flights

Santa Ana to Pearson Intl flights

Las Vegas to Pearson Intl flights

San Francisco to Region of Waterloo Intl flights

Burbank to Pearson Intl flights

San Francisco to Toronto Island flights

San Jose to Pearson Intl flights

Sacramento to Pearson Intl flights

San Diego to Pierre Elliott Trudeau Intl flights

Long Beach to Pearson Intl flights

Santa Ana to Hamilton flights

Oakland to Pearson Intl flights

San Francisco to Ottawa flights

Ontario to Pierre Elliott Trudeau Intl flights

Las Vegas to Pierre Elliott Trudeau Intl flights

Santa Ana to Pierre Elliott Trudeau Intl flights

San Jose to Pierre Elliott Trudeau Intl flights

San Diego to Toronto Island flights

Las Vegas to Toronto Island flights

Palm Springs to Pearson Intl flights

San Diego to Region of Waterloo Intl flights

Las Vegas to Region of Waterloo Intl flights

Los Angeles to Ottawa flights

Fresno to Pearson Intl flights

San Diego to Hamilton flights

Santa Ana to Toronto Island flights

Las Vegas to Hamilton flights

Sacramento to Pierre Elliott Trudeau Intl flights

Reno to Pearson Intl flights

Sacramento to Hamilton flights

San Jose to Ottawa flights

San Diego to Ottawa flights

San Jose to Hamilton flights

Ontario to Ottawa flights

San Jose to Toronto Island flights

Santa Rosa to Pearson Intl flights

Burbank to Pierre Elliott Trudeau Intl flights

Complete your trip

Toronto Pearson Intl Airport car rentals

Toronto Island Airport car rentals

Hamilton Airport car rentals

London Airport car rentals

Toronto Region of Waterloo Intl Airport car rentals

Niagara Falls car rentals

Kingston car rentals

Kitchener car rentals

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$153+ Cheap flights from San Francisco (SFO) to Hamilton, ON (YHM)

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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from San Francisco to Hamilton with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from San Francisco to Hamilton

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from San Francisco to Hamilton

Cheapest flights from San Francisco to HamiltonExplore the most affordable flight options available from San Francisco to Hamilton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Explore the most affordable flight options available from San Francisco to Hamilton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from San Francisco to Hamilton that are best for you.

Best time to book a flight from San Francisco to Hamilton

Have a flexible travel schedule? Discover the best time to fly to Hamilton from San Francisco with our price prediction graph.

Cheapflights Insights

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

What is the cheapest time of day to fly from SFO to YHM?

Find hourly flight availability from San Francisco to Hamilton. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2025.

Reviews of airlines servicing Hamilton

Read reviews from past customers who have flown WestJet from San Francisco to Hamilton. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Hamilton. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What is the cheapest airline to fly from San Francisco to Hamilton, Ontario round-trip?

Can I find deals for flights from San Francisco to Hamilton that include hotel bookings?

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Francisco to Hamilton

See prices for flight routes from nearby airports that may be better suited for you.

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from San Francisco to Hamilton
Explore the most affordable flight options available from San Francisco to Hamilton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.