Find flights
When to book
FAQs

Cheap flights from Hamilton, ON to San Diego from C$ 300

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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
YHM — SAN
24 May — 31 May1
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 24 April 2026.

Tue 5/56:10 p.m.
YHM
-
SAN
1 stop23h 00m
WestJet
Mon 11/53:30 p.m.
SAN
-
YHM
1 stop22h 45m
WestJet
Deal found 19/4C$ 524
Wed 9/96:10 p.m.
YHM
-
SAN
1 stop23h 00m
WestJet
Thu 17/93:30 p.m.
SAN
-
YHM
1 stop22h 45m
WestJet
Deal found 23/4C$ 534
Wed 14/106:10 p.m.
YHM
-
SAN
1 stop23h 00m
WestJet
Mon 19/103:30 p.m.
SAN
-
YHM
1 stop22h 45m
WestJet
Deal found 23/4C$ 535
Tue 5/56:10 p.m.
YHM
-
SAN
1 stop23h 00m
WestJet
Tue 12/53:30 p.m.
SAN
-
YHM
1 stop22h 45m
WestJet
Deal found 19/4C$ 538
Fri 5/66:10 p.m.
YHM
-
SAN
1 stop23h 00m
WestJet
Wed 10/63:30 p.m.
SAN
-
YHM
1 stop22h 45m
WestJet
Deal found 19/4C$ 546
Tue 2/66:10 p.m.
YHM
-
SAN
1 stop23h 00m
WestJet
Tue 16/63:30 p.m.
SAN
-
YHM
1 stop22h 45m
WestJet
Deal found 22/4C$ 577
Fri 8/56:10 p.m.
YHM
-
SAN
1 stop23h 00m
WestJet
Fri 15/53:30 p.m.
SAN
-
YHM
1 stop22h 45m
WestJet
Deal found 21/4C$ 579
Fri 22/56:10 p.m.
YHM
-
SAN
1 stop23h 00m
WestJet
Tue 26/53:30 p.m.
SAN
-
YHM
1 stop22h 45m
WestJet
Deal found 21/4C$ 580
Sat 8/86:10 p.m.
YHM
-
SAN
1 stop23h 00m
WestJet
Sun 23/85:00 p.m.
SAN
-
YHM
1 stop21h 15m
WestJet
Deal found 21/4C$ 581
Mon 17/86:10 p.m.
YHM
-
SAN
1 stop23h 00m
WestJet
Fri 21/83:30 p.m.
SAN
-
YHM
1 stop22h 45m
WestJet
Deal found 19/4C$ 583
Thu 21/56:10 p.m.
YHM
-
SAN
1 stop23h 00m
WestJet
Thu 28/53:30 p.m.
SAN
-
YHM
1 stop22h 45m
WestJet
Deal found 23/4C$ 584

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 24 April 2026.

Round-trip from

C$ 524

One-way from

C$ 300

Popular in

March

Cheapest in

April

Average price

C$ 503
WestJet
  • WestJet
  • 5/5-11/5
  • 2 total stops
  • 45h 45m total
  • Hamilton to San Diego
Search Deals
WestJet
  • WestJet
  • 8/5
  • 1 total stop
  • 23h 00m total
  • Hamilton to San Diego
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 57 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 24 April 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 5/5

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

1 stop23h 00m

San Diego

Tue 12/5

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

1 stop22h 45m

C$ 538

HamiltonSan Diego

YHM - SAN

YHMSAN

Hamilton

Mon 17/8

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

1 stop23h 00m

San Diego

Fri 21/8

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

1 stop22h 45m

C$ 583

HamiltonSan Diego

YHM - SAN

YHMSAN

Hamilton

Mon 31/8

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

1 stop23h 00m

San Diego

Tue 8/9

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

1 stop22h 45m

C$ 658

HamiltonSan Diego

YHM - SAN

YHMSAN

Hamilton

Sat 6/6

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

1 stop23h 00m

San Diego

Tue 9/6

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

1 stop22h 45m

C$ 748

HamiltonSan Diego

YHM - SAN

YHMSAN

Hamilton

Thu 18/6

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

1 stop23h 00m

San Diego

Mon 22/6

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

1 stop22h 45m

C$ 840

HamiltonSan Diego

YHM - SAN

YHMSAN

Hamilton

Mon 31/8

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

1 stop23h 00m

San Diego

Sun 6/9

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

1 stop22h 45m

C$ 869

HamiltonSan Diego

YHM - SAN

YHMSAN

Hamilton

Tue 16/6

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

1 stop23h 00m

San Diego

Sat 20/6

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

1 stop22h 45m

C$ 962

HamiltonSan Diego

YHM - SAN

YHMSAN

Hamilton

Mon 4/5

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

1 stop23h 00m

San Diego

Fri 22/5

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

1 stop22h 45m

C$ 978
Quickest round-trip

HamiltonSan Diego

YHM - SAN

YHMSAN

Hamilton

Thu 25/6

8:35 p.m.-2:10 p.m.

2 stops20h 35m

San Diego

Sun 28/6

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

1 stop22h 45m

C$ 990

HamiltonSan Diego

YHM - SAN

YHMSAN

Hamilton

Thu 25/6

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

1 stop23h 00m

San Diego

Sun 28/6

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

1 stop22h 45m

C$ 996

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/4

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$ 538. 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

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

Alternative routes for Hamilton to San Diego

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

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.

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.