Cheap flights from Duncan to San Diego from CA $189

View CA $189 flight on Fri, Jul. 25, 2025Opens in a new window

Popular airlines from Duncan to San Diego

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Cheap flights from Duncan (YYJ) to San Diego (SAN)

Prices were available within the past 7 days and start at CA $189 for one-way flights and CA $334 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

WestJet
Thu., Aug. 7 - Thu., Aug. 28
YCD
Nanaimo
SAN
San Diego
CA $334 Roundtrip, found 3 hours ago
CA $334
Roundtrip
found 3 hours ago
Select WestJet flight, departing Thu., Aug. 7 from Nanaimo to San Diego, returning Thu., Aug. 28, priced at CA $334 found 3 hours ago
WestJet
Wed., Jul. 16 - Thu., Aug. 14
YCD
Nanaimo
SAN
San Diego
CA $334 Roundtrip, found 4 days ago
CA $334
Roundtrip
found 4 days ago
Select WestJet flight, departing Wed., Jul. 16 from Nanaimo to San Diego, returning Thu., Aug. 14, priced at CA $334 found 4 days ago
Alaska Airlines
Tue., Jul. 22 - Tue., Jul. 29
YYJ
Victoria
SAN
San Diego
CA $352 Roundtrip, found 4 hours ago
CA $352
Roundtrip
found 4 hours ago
Select Alaska Airlines flight, departing Tue., Jul. 22 from Victoria to San Diego, returning Tue., Jul. 29, priced at CA $352 found 4 hours ago
Air Canada
Thu., Aug. 14 - Sat., Aug. 23
YCD
Nanaimo
SAN
San Diego
CA $355 Roundtrip, found 1 day ago
CA $355
Roundtrip
found 1 day ago
Select Air Canada flight, departing Thu., Aug. 14 from Nanaimo to San Diego, returning Sat., Aug. 23, priced at CA $355 found 1 day ago
Delta
Mon., Jul. 21 - Thu., Aug. 14
YCD
Nanaimo
SAN
San Diego
CA $422 Roundtrip, found 4 days ago
CA $422
Roundtrip
found 4 days ago
Select Delta flight, departing Mon., Jul. 21 from Nanaimo to San Diego, returning Thu., Aug. 14, priced at CA $422 found 4 days ago
United
Fri., Jan. 9 - Sat., Jan. 10
YCD
Nanaimo
SAN
San Diego
CA $533 Roundtrip, found 11 hours ago
CA $533
Roundtrip
found 11 hours ago
Select United flight, departing Fri., Jan. 9 from Nanaimo to San Diego, returning Sat., Jan. 10, priced at CA $533 found 11 hours ago

Find the cheapest month to fly from Victoria (YYJ) to San Diego (SAN)

September is typically the cheapest month to fly

From CA $259 - CA $538 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.