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Cheap flights from Hamilton, ON to San Diego from C$ 279

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 19/4. Fares are subject to change and may not be available on all flights or dates of travel.
YHM — SAN
25 Feb — 4 Mar1
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 26 January 2026.

Fri 1/56:10 p.m.
YHM
-
SAN
1 stop22h 10m
WestJet
Tue 19/52:05 p.m.
SAN
-
YHM
1 stop24h 05m
WestJet
Deal found 24/1C$ 493
Tue 12/56:10 p.m.
YHM
-
SAN
1 stop22h 10m
WestJet
Sat 16/52:05 p.m.
SAN
-
YHM
1 stop24h 05m
WestJet
Deal found 24/1C$ 542
Fri 1/56:10 p.m.
YHM
-
SAN
1 stop23h 00m
WestJet
Wed 6/53:30 p.m.
SAN
-
YHM
1 stop22h 40m
WestJet
Deal found 25/1C$ 545
Fri 1/56:10 p.m.
YHM
-
SAN
1 stop22h 10m
WestJet
Fri 15/52:05 p.m.
SAN
-
YHM
1 stop24h 05m
WestJet
Deal found 24/1C$ 560
Wed 1/76:10 p.m.
YHM
-
SAN
1 stop22h 10m
WestJet
Mon 6/72:05 p.m.
SAN
-
YHM
1 stop24h 05m
WestJet
Deal found 24/1C$ 626
Thu 23/46:10 p.m.
YHM
-
SAN
1 stop20h 37m
WestJet
Mon 27/43:30 p.m.
SAN
-
YHM
1 stop22h 45m
WestJet
Deal found 25/1C$ 638
Mon 22/66:10 p.m.
YHM
-
SAN
1 stop22h 10m
WestJet
Sun 5/72:05 p.m.
SAN
-
YHM
1 stop24h 05m
WestJet
Deal found 24/1C$ 641
Wed 6/56:10 p.m.
YHM
-
SAN
1 stop22h 10m
WestJet
Sat 16/52:05 p.m.
SAN
-
YHM
1 stop24h 05m
WestJet
Deal found 24/1C$ 645
Tue 1/96:10 p.m.
YHM
-
SAN
1 stop22h 10m
WestJet
Mon 7/92:05 p.m.
SAN
-
YHM
1 stop24h 05m
WestJet
Deal found 24/1C$ 826
Sat 16/56:10 p.m.
YHM
-
SAN
1 stop23h 00m
WestJet
Tue 19/53:30 p.m.
SAN
-
YHM
1 stop22h 40m
WestJet
Deal found 26/1C$ 835
Sun 8/36:10 p.m.
YHM
-
SAN
1 stop20h 37m
WestJet
Sun 15/310:00 a.m.
SAN
-
YHM
2 stops28h 16m
WestJet
Deal found 25/1C$ 877
Sun 1/36:10 p.m.
YHM
-
SAN
1 stop20h 37m
WestJet
Thu 19/36:15 a.m.
SAN
-
YHM
2 stops28h 06m
WestJet
Deal found 25/1C$ 889

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 26 January 2026.

Round-trip from

C$ 545

One-way from

C$ 279

Popular in

May

Cheapest in

October

Average price

C$ 712
WestJet
  • WestJet
  • 1/5-6/5
  • 2 total stops
  • 45h 40m total
  • Hamilton to San Diego
Search Deals
WestJet
  • WestJet
  • 19/4
  • 1 total stop
  • 20h 37m total
  • Hamilton to San Diego
Search Deals
Highest demand for flights based on searches. 26% potential increase in price (C$ 270 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 11% potential price decrease (C$ 77 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 26 January 2026.
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

Fri 1/5

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

1 stop23h 00m

San Diego

Wed 6/5

3:30 p.m.-5:10 p.m.

1 stop22h 40m

C$ 545

HamiltonSan Diego

YHM - SAN

YHMSAN

Hamilton

Wed 1/7

6:10 p.m.-1:20 p.m.

1 stop22h 10m

San Diego

Mon 6/7

2:05 p.m.-5:10 p.m.

1 stop24h 05m

C$ 626

HamiltonSan Diego

YHM - SAN

YHMSAN

Hamilton

Thu 23/4

6:10 p.m.-11:47 a.m.

1 stop20h 37m

San Diego

Mon 27/4

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

1 stop22h 45m

C$ 638

HamiltonSan Diego

YHM - SAN

YHMSAN

Hamilton

Wed 1/7

6:10 p.m.-1:20 p.m.

1 stop22h 10m

San Diego

Tue 7/7

2:05 p.m.-5:10 p.m.

1 stop24h 05m

C$ 642

HamiltonSan Diego

YHM - SAN

YHMSAN

Hamilton

Sat 27/6

6:10 p.m.-10:30 a.m.

1 stop19h 20m

San Diego

Sat 4/7

2:05 p.m.-5:10 p.m.

1 stop24h 05m

C$ 642

HamiltonSan Diego

YHM - SAN

YHMSAN

Hamilton

Wed 6/5

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

1 stop23h 00m

San Diego

Sat 16/5

3:30 p.m.-5:10 p.m.

1 stop22h 40m

C$ 645

HamiltonSan Diego

YHM - SAN

YHMSAN

Hamilton

Fri 10/7

6:10 p.m.-1:20 p.m.

1 stop22h 10m

San Diego

Tue 14/7

2:05 p.m.-5:10 p.m.

1 stop24h 05m

C$ 825

HamiltonSan Diego

YHM - SAN

YHMSAN

Hamilton

Sat 16/5

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

1 stop23h 00m

San Diego

Tue 19/5

3:30 p.m.-5:10 p.m.

1 stop22h 40m

C$ 835

HamiltonSan Diego

YHM - SAN

YHMSAN

Hamilton

Sat 20/6

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

1 stop23h 00m

San Diego

Sat 4/7

2:05 p.m.-5:10 p.m.

1 stop24h 05m

C$ 878

HamiltonSan Diego

YHM - SAN

YHMSAN

Hamilton

Sun 1/3

6:10 p.m.-11:47 a.m.

1 stop20h 37m

San Diego

Thu 19/3

6:15 a.m.-1:21 p.m.

2 stops28h 06m

C$ 889

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/1

Showing 1-10 of 20 results
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.

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 C$ 131). Flying from Hamilton, Ontario to San Diego in November is currently the most expensive (average of C$ 355). 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.

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Diego. Reviews last updated 26 January 2026.
Check out reviews from past customers who have flown with Air Canada from Hamilton to San Diego to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
10,656 reviews
Check prices

Food

6.3

Entertainment

6.8

Overall

7.1

Crew

7.8

Boarding

7.3

Comfort

7.1

Reviews

1 / 20
4.0
Okay

Sugith,Jan 2026

YSB - YYZ

Left 2 hours late. Stuck on plane for an hour after boarding before take off.
Air Canada
7.1
Good
10,656 reviews
Air Canada
7.1
Good
10,656 reviews
Check prices

Food

6.3

Entertainment

6.8

Overall

7.1

Crew

7.8

Boarding

7.3

Comfort

7.1

Reviews

1 / 20
4.0
Okay

Sugith,Jan 2026

YSB - YYZ

Left 2 hours late. Stuck on plane for an hour after boarding before take off.

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$ 545. There are 3433 km between Hamilton, Ontario and San Diego.

  • What is the cheapest airline to fly from Hamilton, Ontario to San Diego round-trip?

    According to our current data, Air Canada (C$ 234), offers the cheapest pricing from Hamilton, Ontario to San Diego. Air Canada is 57% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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 C$ 131). Flying from Hamilton, Ontario to San Diego in November is currently the most expensive (average of C$ 355). 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

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

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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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Top airline flying from Hamilton to San Diego

Discover the top airline that operate flights from Hamilton to San Diego. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 26 January 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 234AverageC$ 462FlexibilityNo cancel feeOn-time67%
Search Air Canada 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.

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