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Cheap flights from Hamilton, ON to San Diego from C$ 311

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 28/9. Fares are subject to change and may not be available on all flights or dates of travel.
YHM — SAN
22 Aug — 29 Aug1
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 23 July 2026.

Wed 2/96:10 p.m.
YHM
-
SAN
1 stop23h 00m
WestJet
Wed 9/93:30 p.m.
SAN
-
YHM
1 stop22h 45m
WestJet
Deal found 19/7C$ 576
Wed 9/96:10 p.m.
YHM
-
SAN
1 stop23h 00m
WestJet
Mon 28/93:30 p.m.
SAN
-
YHM
1 stop22h 45m
WestJet
Deal found 22/7C$ 581
Tue 8/96:10 p.m.
YHM
-
SAN
1 stop23h 00m
WestJet
Mon 14/93:30 p.m.
SAN
-
YHM
1 stop22h 45m
WestJet
Deal found 22/7C$ 593
Sat 5/96:10 p.m.
YHM
-
SAN
1 stop23h 00m
WestJet
Sat 12/93:30 p.m.
SAN
-
YHM
1 stop22h 45m
WestJet
Deal found 22/7C$ 595
Tue 1/96:10 p.m.
YHM
-
SAN
1 stop23h 00m
WestJet
Tue 8/93:30 p.m.
SAN
-
YHM
1 stop22h 45m
WestJet
Deal found 19/7C$ 606
Fri 25/96:10 p.m.
YHM
-
SAN
1 stop23h 00m
WestJet
Tue 29/93:30 p.m.
SAN
-
YHM
1 stop22h 45m
WestJet
Deal found 20/7C$ 612
Thu 24/96:10 p.m.
YHM
-
SAN
1 stop23h 00m
WestJet
Mon 28/93:30 p.m.
SAN
-
YHM
1 stop22h 45m
WestJet
Deal found 20/7C$ 619
Tue 25/86:10 p.m.
YHM
-
SAN
1 stop23h 00m
WestJet
Mon 31/83:30 p.m.
SAN
-
YHM
1 stop22h 45m
WestJet
Deal found 19/7C$ 638
Sun 4/106:10 p.m.
YHM
-
SAN
1 stop23h 00m
WestJet
Sun 18/103:30 p.m.
SAN
-
YHM
1 stop22h 45m
WestJet
Deal found 21/7C$ 641
Thu 27/86:10 p.m.
YHM
-
SAN
1 stop23h 00m
WestJet
Wed 9/93:30 p.m.
SAN
-
YHM
1 stop22h 45m
WestJet
Deal found 22/7C$ 643
Thu 27/86:10 p.m.
YHM
-
SAN
1 stop23h 00m
WestJet
Mon 31/83:30 p.m.
SAN
-
YHM
1 stop22h 45m
WestJet
Deal found 22/7C$ 647
Fri 21/86:10 p.m.
YHM
-
SAN
1 stop23h 00m
WestJet
Fri 4/93:30 p.m.
SAN
-
YHM
1 stop22h 45m
WestJet
Deal found 19/7C$ 651

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 23 July 2026.

Round-trip from

C$ 576

One-way from

C$ 311

Popular in

March

Cheapest in

April

Average price

C$ 722
WestJet
  • WestJet
  • 2/9-9/9
  • 2 total stops
  • 45h 45m total
  • Hamilton to San Diego
Search Deals
WestJet
  • WestJet
  • 28/9
  • 1 total stop
  • 23h 00m total
  • Hamilton to San Diego
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (C$ 22 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 23 July 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

Tue 25/8

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

1 stop23h 00m

San Diego

Mon 31/8

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

1 stop22h 45m

C$ 638

HamiltonSan Diego

YHM - SAN

YHMSAN

Hamilton

Sun 4/10

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

1 stop23h 00m

San Diego

Thu 15/10

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

1 stop22h 45m

C$ 641

HamiltonSan Diego

YHM - SAN

YHMSAN

Hamilton

Tue 18/8

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

1 stop23h 00m

San Diego

Fri 4/9

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

1 stop22h 45m

C$ 653

HamiltonSan Diego

YHM - SAN

YHMSAN

Hamilton

Fri 21/8

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

1 stop23h 00m

San Diego

Mon 24/8

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

1 stop22h 45m

C$ 675

HamiltonSan Diego

YHM - SAN

YHMSAN

Hamilton

Thu 24/9

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

1 stop23h 00m

San Diego

Tue 29/9

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

1 stop22h 45m

C$ 771

HamiltonSan Diego

YHM - SAN

YHMSAN

Hamilton

Fri 16/10

6:10 p.m.-10:51 p.m.

2 stops31h 41m

San Diego

Sun 25/10

12:35 p.m.-5:17 p.m.

1 stop25h 42m

C$ 933

HamiltonSan Diego

YHM - SAN

YHMSAN

Hamilton

Wed 12/8

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

1 stop23h 00m

San Diego

Sat 15/8

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

1 stop22h 45m

C$ 958

HamiltonSan Diego

YHM - SAN

YHMSAN

Hamilton

Mon 2/11

6:10 p.m.-12:25 p.m.

2 stops21h 15m

San Diego

Sun 8/11

12:35 p.m.-4:17 p.m.

1 stop24h 42m

C$ 974
Quickest round-trip

HamiltonSan Diego

YHM - SAN

YHMSAN

Hamilton

Fri 21/8

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

1 stop23h 00m

San Diego

Mon 24/8

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

2 stops20h 38m

C$ 1,030

HamiltonSan Diego

YHM - SAN

YHMSAN

Hamilton

Tue 4/8

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

1 stop23h 00m

San Diego

Tue 11/8

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

1 stop22h 45m

C$ 1,049

Flights are sorted by cheapest round-trip flights first.

Deals found on 23/7

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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$ 638. 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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Alternative routes for Hamilton to San Diego

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