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Cheap flights from Hamilton, ON to San Diego from C$ 324

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 27/7. Fares are subject to change and may not be available on all flights or dates of travel.
YHM — SAN
9 Jul — 16 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Hamilton to San Diego

Enter your travel dates to find the best prices.

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 9 June 2026.

Tue 8/96:10 p.m.
YHM
-
SAN
1 stop23h 00m
WestJet
Tue 15/93:30 p.m.
SAN
-
YHM
1 stop22h 45m
WestJet
Deal found 6/6C$ 648
Fri 4/96:10 p.m.
YHM
-
SAN
1 stop23h 00m
WestJet
Wed 9/93:30 p.m.
SAN
-
YHM
1 stop22h 45m
WestJet
Deal found 3/6C$ 653
Fri 4/96:10 p.m.
YHM
-
SAN
1 stop23h 00m
WestJet
Sun 13/93:30 p.m.
SAN
-
YHM
1 stop22h 45m
WestJet
Deal found 5/6C$ 655
Wed 9/96:10 p.m.
YHM
-
SAN
1 stop23h 00m
WestJet
Sat 19/93:30 p.m.
SAN
-
YHM
1 stop22h 45m
WestJet
Deal found 5/6C$ 664
Mon 21/96:10 p.m.
YHM
-
SAN
1 stop23h 00m
WestJet
Thu 1/103:30 p.m.
SAN
-
YHM
1 stop22h 45m
WestJet
Deal found 3/6C$ 667
Tue 21/76:10 p.m.
YHM
-
SAN
1 stop23h 00m
WestJet
Thu 23/73:30 p.m.
SAN
-
YHM
1 stop22h 45m
WestJet
Deal found 6/6C$ 669
Wed 26/86:10 p.m.
YHM
-
SAN
1 stop23h 00m
WestJet
Wed 2/93:30 p.m.
SAN
-
YHM
1 stop22h 45m
WestJet
Deal found 4/6C$ 679
Mon 31/86:10 p.m.
YHM
-
SAN
1 stop23h 00m
WestJet
Sun 6/93:30 p.m.
SAN
-
YHM
1 stop22h 45m
WestJet
Deal found 7/6C$ 704
Mon 24/86:10 p.m.
YHM
-
SAN
1 stop23h 00m
WestJet
Fri 4/93:30 p.m.
SAN
-
YHM
1 stop22h 45m
WestJet
Deal found 4/6C$ 706
Mon 28/96:10 p.m.
YHM
-
SAN
1 stop23h 00m
WestJet
Mon 5/103:30 p.m.
SAN
-
YHM
1 stop22h 45m
WestJet
Deal found 4/6C$ 708
Thu 16/76:10 p.m.
YHM
-
SAN
1 stop23h 00m
WestJet
Mon 20/73:30 p.m.
SAN
-
YHM
1 stop22h 45m
WestJet
Deal found 7/6C$ 759
Thu 16/76:10 p.m.
YHM
-
SAN
1 stop23h 00m
WestJet
Thu 23/73:30 p.m.
SAN
-
YHM
1 stop22h 45m
WestJet
Deal found 7/6C$ 773

Find 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 9 June 2026.

Round-trip from

C$ 648

One-way from

C$ 324

Popular in

March

Cheapest in

April

Average price

C$ 667
WestJet
  • WestJet
  • 5/10-8/10
  • 2 total stops
  • 45h 45m total
  • Hamilton to San Diego
Search Deals
27/7
  • 27/7
  • 3 total stops
  • 32h 53m total
  • Hamilton to San Diego
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 38 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

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 629,999 searches. Data last updated 9 June 2026.
Use the filters below to find and compare flights from Hamilton to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HamiltonSan Diego

YHM - SAN

YHMSAN

Hamilton

Wed 2/9

6:10 p.m.-2:10 p.m.

1 stop23h 00m

San Diego

Wed 9/9

3:30 p.m.-5:15 p.m.

1 stop22h 45m

C$ 704

HamiltonSan Diego

YHM - SAN

YHMSAN

Hamilton

Thu 16/7

6:10 p.m.-2:10 p.m.

1 stop23h 00m

San Diego

Thu 23/7

3:30 p.m.-5:15 p.m.

1 stop22h 45m

C$ 773

HamiltonSan Diego

YHM - SAN

YHMSAN

Hamilton

Mon 20/7

6:10 p.m.-2:10 p.m.

1 stop23h 00m

San Diego

Wed 22/7

3:30 p.m.-5:15 p.m.

1 stop22h 45m

C$ 775

HamiltonSan Diego

YHM - SAN

YHMSAN

Hamilton

Thu 16/7

6:10 p.m.-2:10 p.m.

1 stop23h 00m

San Diego

Mon 20/7

3:30 p.m.-5:15 p.m.

1 stop22h 45m

C$ 874

HamiltonSan Diego

YHM - SAN

YHMSAN

Hamilton

Fri 7/8

6:10 p.m.-2:10 p.m.

1 stop23h 00m

San Diego

Mon 10/8

3:30 p.m.-5:15 p.m.

1 stop22h 45m

C$ 1,018

HamiltonSan Diego

YHM - SAN

YHMSAN

Hamilton

Mon 3/8

6:10 p.m.-2:10 p.m.

1 stop23h 00m

San Diego

Sun 30/8

3:30 p.m.-5:15 p.m.

1 stop22h 45m

C$ 1,093
Quickest round-trip

HamiltonSan Diego

YHM - SAN

YHMSAN

Hamilton

Mon 10/8

6:10 p.m.-2:10 p.m.

1 stop23h 00m

San Diego

Mon 24/8

4:11 p.m.-5:15 p.m.

2 stops22h 04m

C$ 1,251

HamiltonSan Diego

YHM - SAN

YHMSAN

Hamilton

Sun 2/8

6:10 p.m.-7:19 p.m.

2 stops28h 09m

San Diego

Fri 7/8

3:30 p.m.-5:15 p.m.

1 stop22h 45m

C$ 1,258

HamiltonSan Diego

YHM - SAN

YHMSAN

Hamilton

Sun 16/8

6:10 p.m.-2:10 p.m.

1 stop23h 00m

San Diego

Sat 22/8

3:30 p.m.-5:15 p.m.

1 stop22h 45m

C$ 1,263

HamiltonSan Diego

YHM - SAN

YHMSAN

Hamilton

Thu 23/7

3:50 p.m.-2:10 p.m.

3 stops25h 20m

San Diego

Thu 30/7

3:30 p.m.-3:08 p.m.

2 stops20h 38m

C$ 1,279

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/6

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

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.

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.

  • How long is the flight from Hamilton, Ontario to San Diego?

    A quick flight from Hamilton, Ontario to San Diego can take about 23h. WestJet provides one of the quickest options available for as low as C$ 704. There are 3433 km between Hamilton, Ontario and San Diego.

  • 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.

See more FAQs

Travelling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
El Cajon
La Mesa
Borrego Springs

Browse thousands of different options on Cheapflights for your next trip

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Hamilton to San Diego?

Deals for Hamilton to San Diego flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Hamilton to San Diego?

Cheapflights simply makes it quick and affordable to book flights from Hamilton to San Diego by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Hamilton to San Diego with no change fees?

Certainly. Search results for flights to San Diego from Hamilton shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Hamilton to San Diego become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to San Diego from Hamilton today and book when prices fit your budget.

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