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$227+ Cheap flights from Hamilton, ON (YHM) to San Diego (SAN)

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 12/14. Fares are subject to change and may not be available on all flights or dates of travel.
YHM — SAN
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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Cheap flight deals from Hamilton to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Hamilton (YHM) to San Diego (SAN). 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 October 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$464
(Kiwi.com)

One-way from

$227
(Trip.com)

Popular in

May

Cheapest in

March

Average price

$359
Provider with most accurate pricing for Hamilton-San Diego flight deals.
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Provider most trusted by Cheapflights users for Hamilton-San Diego flights.
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From Hamilton to San Diego
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One-way flight from Hamilton to San Diego
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Highest demand for flights based on searches. 28% potential increase in price ($154 potential increase over avg. RT price).
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Cheapest flight prices on average. 11% potential price decrease ($41 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Hamilton to San Diego

Cheapest flights from Hamilton to San Diego
Explore the most affordable flight options available from Hamilton to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 28, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
Mon 12/18:15 amYHM - SAN
2 stops38h 52mMultiple Airlines
Wed 12/1012:35 pmSAN - YHM
1 stop25h 42mMultiple Airlines
Deal found 10/26$464
This Mytrip deal was found by Cheapflights users on 10/26. 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 12/108:15 amYHM - SAN
1 stop12h 09mMultiple Airlines
Wed 12/1712:35 pmSAN - YHM
1 stop9h 37mMultiple Airlines
Deal found 10/26$496
This oojo deal was found by Cheapflights users on 10/26. 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 11/236:10 pmYHM - SAN
1 stop20h 35mWestJet
Sun 11/3012:35 pmSAN - YHM
1 stop25h 42mWestJet
Deal found 10/26$600
This WestJet deal was found by Cheapflights users on 10/26. 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 11/306:10 pmYHM - SAN
2 stops27h 01mWestJet
Wed 12/1012:35 pmSAN - YHM
1 stop25h 42mWestJet
Deal found 10/26$739
This Mytrip deal was found by Cheapflights users on 10/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/47:55 pmYHM - SAN
2 stops18h 50mMultiple Airlines
Thu 12/189:59 amSAN - YHM
2 stops12h 13mMultiple Airlines
Deal found 10/25$883
This TravelUp deal was found by Cheapflights users on 10/27. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/267:00 amYHM - SAN
1 stop16h 19mMultiple Airlines
Mon 12/2910:58 pmSAN - YHM
1 stop12h 22mMultiple Airlines
Deal found 10/27$941

Cheapflights Fare Finder

 
Customize your flight search to find flights from Hamilton to San Diego 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 October 28, 2025.
Use the filters below to find and compare flights from Hamilton to San Diego that are best for you.

Fly from

Hamilton

Fly to

San Diego

Route

Depart

Return

Price

HamiltonSan Diego

YHM - SAN

YHMSAN

Hamilton

Mon 12/1

8:15 am-8:07 pm

2 stops38h 52m

San Diego

Wed 12/10

12:35 pm-5:17 pm

1 stop25h 42m

$464

HamiltonSan Diego

YHM - SAN

YHMSAN

Hamilton

Wed 12/10

8:15 am-5:24 pm

1 stop12h 09m

San Diego

Wed 12/17

12:35 pm-1:12 am

1 stop9h 37m

$496

HamiltonSan Diego

YHM - SAN

YHMSAN

Hamilton

Fri 1/9

7:00 am-5:21 pm

2 stops13h 21m

San Diego

Mon 1/12

12:35 pm-1:20 am

1 stop9h 45m

$578

HamiltonSan Diego

YHM - SAN

YHMSAN

Hamilton

Sat 2/28

8:15 am-11:47 am

2 stops30h 32m

San Diego

Sun 3/8

12:35 pm-1:20 am

1 stop9h 45m

$586

HamiltonSan Diego

YHM - SAN

YHMSAN

Hamilton

Sun 11/23

6:10 pm-11:45 am

1 stop20h 35m

San Diego

Sun 11/30

12:35 pm-5:17 pm

1 stop25h 42m

$600

HamiltonSan Diego

YHM - SAN

YHMSAN

Hamilton

Thu 1/8

6:10 pm-11:45 am

1 stop20h 35m

San Diego

Tue 1/27

6:30 am-5:17 pm

2 stops31h 47m

$667

HamiltonSan Diego

YHM - SAN

YHMSAN

Hamilton

Sun 11/30

6:10 pm-6:11 pm

2 stops27h 01m

San Diego

Wed 12/10

12:35 pm-5:17 pm

1 stop25h 42m

$739

HamiltonSan Diego

YHM - SAN

YHMSAN

Hamilton

Fri 2/13

8:15 am-10:55 pm

2 stops17h 40m

San Diego

Wed 2/18

12:35 pm-1:20 am

1 stop9h 45m

$842

HamiltonSan Diego

YHM - SAN

YHMSAN

Hamilton

Sun 12/14

6:10 pm-11:45 am

1 stop20h 35m

$227

HamiltonSan Diego

YHM - SAN

YHMSAN

Hamilton

Sun 12/14

7:55 pm-11:45 am

2 stops18h 50m

$303

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 15 results
1
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Compare providers for flights from Hamilton to San Diego

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 Diego in October.
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 Diego 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 Diego flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Hamilton, Ontario-San Diego flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Hamilton, Ontario-San Diego 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 Diego 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 Diego

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

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

Currently, July is the cheapest month in which you can book a flight from Hamilton, Ontario to San Diego (average of $96). Flying from Hamilton, Ontario to San Diego in November is currently the most expensive (average of $235). 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 Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Hamilton to San Diego 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 Diego?

    Currently, July is the cheapest month in which you can book a flight from Hamilton, Ontario to San Diego (average of $96). Flying from Hamilton, Ontario to San Diego in November is currently the most expensive (average of $235). 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 Diego?

Book flights to San Diego if you plan to visit one of these locations
El Cajon
Chula Vista
Coronado
La Mesa
Poway
Lemon Grove
Imperial Beach
National City

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