HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Hamilton

$191+ Cheap flights from San Diego (SAN) 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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — YHM
Mar 6 — Mar 131
Fri 3/6
Fri 3/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Diego 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 Diego to Hamilton

Cheapest flights from San Diego to Hamilton
Explore the most affordable flight options available from San Diego to Hamilton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 4, 2026.

This FlightHub deal was found by Cheapflights users on 2/2. 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 6/183:30 pm
SAN
-
YHM
1 stop22h 45m
WestJet
Mon 6/226:10 pm
YHM
-
SAN
1 stop22h 10m
WestJet
Deal found 2/2$418
This oojo deal was found by Cheapflights users on 2/2. 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 6/173:30 pm
SAN
-
YHM
1 stop22h 45m
WestJet
Mon 6/226:10 pm
YHM
-
SAN
1 stop22h 10m
WestJet
Deal found 2/2$423
This oojo deal was found by Cheapflights users on 2/3. 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 5/53:30 pm
SAN
-
YHM
1 stop22h 45m
WestJet
Sat 5/96:10 pm
YHM
-
SAN
1 stop23h 00m
WestJet
Deal found 2/3$424
This oojo deal was found by Cheapflights users on 2/2. 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.
Thu 6/183:30 pm
SAN
-
YHM
1 stop22h 45m
WestJet
Mon 7/66:10 pm
YHM
-
SAN
1 stop22h 10m
WestJet
Deal found 2/2$502
This Mytrip deal was found by Cheapflights users on 2/3. 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.
Wed 4/1512:35 pm
SAN
-
YHM
1 stop9h 45m
Multiple Airlines
Sun 4/197:55 pm
YHM
-
SAN
2 stops18h 52m
Multiple Airlines
Deal found 2/3$504
This Trip.com deal was found by Cheapflights users on 2/3. 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 5/293:30 pm
SAN
-
YHM
1 stop22h 45m
WestJet
Fri 6/56:10 pm
YHM
-
SAN
1 stop23h 00m
WestJet
Deal found 2/3$515
This FlightHub deal was found by Cheapflights users on 2/3. 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 5/283:30 pm
SAN
-
YHM
1 stop22h 45m
WestJet
Sun 5/316:10 pm
YHM
-
SAN
1 stop23h 00m
WestJet
Deal found 2/3$527
This Trip.com deal was found by Cheapflights users on 2/4. 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 4/263:30 pm
SAN
-
YHM
1 stop22h 45m
WestJet
Wed 4/296:10 pm
YHM
-
SAN
1 stop23h 00m
WestJet
Deal found 2/4$548
This oojo deal was found by Cheapflights users on 2/3. 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 4/1512:35 pm
SAN
-
YHM
1 stop25h 41m
WestJet
Sun 4/196:10 pm
YHM
-
SAN
1 stop20h 37m
WestJet
Deal found 2/3$564
This oojo deal was found by Cheapflights users on 2/3. 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 3/412:35 pm
SAN
-
YHM
1 stop25h 41m
WestJet
Sun 3/86:10 pm
YHM
-
SAN
1 stop20h 37m
WestJet
Deal found 2/3$565
This Gotogate deal was found by Cheapflights users on 2/2. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/142:05 pm
SAN
-
YHM
1 stop24h 05m
WestJet
Fri 9/186:10 pm
YHM
-
SAN
1 stop22h 10m
WestJet
Deal found 2/2$579

Find flight deals from San Diego to Hamilton

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Hamilton (YHM). 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 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$424
(oojo)

One-way from

$191
(oojo)

Popular in

October

Cheapest in

March

Average price

$358
Provider with most accurate pricing for San Diego-Hamilton flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Diego-Hamilton flights.
Search Deals
From San Diego to Hamilton
Search Deals
One-way flight from San Diego to Hamilton
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($58 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($15 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 San Diego to Hamilton 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 4, 2026.
Use the filters below to find and compare flights from San Diego to Hamilton that are best for you.

Fly from

San Diego

Fly to

Hamilton

Route

Depart

Return

Price

San DiegoHamilton

SAN - YHM

SANYHM

San Diego

Fri 6/19

3:30 pm-5:15 pm

1 stop22h 45m

Hamilton

Mon 6/22

6:10 pm-1:20 pm

1 stop22h 10m

$423

San DiegoHamilton

SAN - YHM

SANYHM

San Diego

Wed 6/17

3:30 pm-5:15 pm

1 stop22h 45m

Hamilton

Mon 6/22

6:10 pm-1:20 pm

1 stop22h 10m

$423

San DiegoHamilton

SAN - YHM

SANYHM

San Diego

Tue 5/26

3:30 pm-5:15 pm

1 stop22h 45m

Hamilton

Tue 6/9

6:10 pm-2:10 pm

1 stop23h 00m

$424

San DiegoHamilton

SAN - YHM

SANYHM

San Diego

Tue 5/5

3:30 pm-5:15 pm

1 stop22h 45m

Hamilton

Sat 5/9

6:10 pm-2:10 pm

1 stop23h 00m

$424

San DiegoHamilton

SAN - YHM

SANYHM

San Diego

Mon 6/22

2:05 pm-5:10 pm

1 stop24h 05m

Hamilton

Wed 8/5

6:10 pm-10:30 am

1 stop19h 20m

$502

San DiegoHamilton

SAN - YHM

SANYHM

San Diego

Wed 4/15

12:35 pm-1:20 am

1 stop9h 45m

Hamilton

Sun 4/19

7:55 pm-11:47 am

2 stops18h 52m

$504

San DiegoHamilton

SAN - YHM

SANYHM

San Diego

Fri 5/29

3:30 pm-5:15 pm

1 stop22h 45m

Hamilton

Fri 6/5

6:10 pm-2:10 pm

1 stop23h 00m

$515

San DiegoHamilton

SAN - YHM

SANYHM

San Diego

Sun 4/26

3:30 pm-5:15 pm

1 stop22h 45m

Hamilton

Wed 4/29

6:10 pm-2:10 pm

1 stop23h 00m

$548

San DiegoHamilton

SAN - YHM

SANYHM

San Diego

Wed 3/4

12:35 pm-5:16 pm

1 stop25h 41m

Hamilton

Sun 3/8

6:10 pm-11:47 am

1 stop20h 37m

$565

San DiegoHamilton

SAN - YHM

SANYHM

San Diego

Thu 7/2

2:05 pm-5:10 pm

1 stop24h 05m

Hamilton

Mon 7/6

6:10 pm-1:20 pm

1 stop22h 10m

$581

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

Showing 1-10 of 19 results
1
2
  • Most accurate provider: When it comes to deals on San Diego-Hamilton, Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Diego-Hamilton, Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Diego-Hamilton, Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Diego-Hamilton, Ontario 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 San Diego-Hamilton, Ontario 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 San Diego to Hamilton

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

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

Currently, June is the cheapest month in which you can book a flight from San Diego to Hamilton, Ontario (average of $74). Flying from San Diego to Hamilton, Ontario in September 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 San Diego to Hamilton. 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 San Diego to Hamilton, Ontario?

    Departing from San Diego to Hamilton, Ontario will take you 22h 45m. The distance between San Diego and Hamilton, Ontario is about 2133 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Diego 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.

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

    Currently, June is the cheapest month in which you can book a flight from San Diego to Hamilton, Ontario (average of $74). Flying from San Diego to Hamilton, Ontario in September 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

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 Diego to Hamilton

See prices for flight routes from nearby airports that may be better suited for you.
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
San Diego to Pearson Intl flights
Los Angeles to Toronto Island flights
Ontario to Pearson Intl flights
San Francisco to Toronto Island flights
Las Vegas to Pearson Intl flights
San Jose to Pearson Intl flights
Los Angeles to Hamilton flights
Los Angeles to Region of Waterloo Intl flights
San Francisco to Hamilton flights
Oakland to Pearson Intl flights
San Francisco to Region of Waterloo Intl flights
San Diego to Pierre Elliott Trudeau Intl flights
Sacramento to Pearson Intl flights
Palm Springs to Pearson Intl flights
Santa Ana to Pearson Intl flights
Las Vegas to Pierre Elliott Trudeau Intl flights
San Diego to Toronto Island flights
Ontario to Pierre Elliott Trudeau Intl flights
Los Angeles to Ottawa flights
Santa Ana to Pierre Elliott Trudeau Intl flights
Fresno to Pearson Intl flights
Sacramento to Pierre Elliott Trudeau Intl flights
San Francisco to Ottawa flights
Burbank to Pearson Intl flights
Las Vegas to Toronto Island flights
San Diego to Region of Waterloo Intl flights
Reno to Pearson Intl flights
Palm Springs to Hamilton flights
San Jose to Pierre Elliott Trudeau Intl flights
Las Vegas to Ottawa flights
Ontario to Ottawa flights
Santa Ana to Ottawa flights
Monterey to Pearson Intl flights
San Diego to Ottawa flights
Santa Barbara to Pierre Elliott Trudeau Intl flights
Palm Springs to Pierre Elliott Trudeau Intl flights
Los Angeles to London flights
Reno to Pierre Elliott Trudeau Intl flights
San Luis Obispo to Pearson Intl flights
Las Vegas to Hamilton flights
Long Beach to Pearson Intl flights
San Jose to Hamilton flights

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.