Cheap air tickets to San Diego

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Travellers and cabin class, 1 Adult, Economy

Compare San Diego flights across hundreds of providers

Find the cheapest month or even day of the year to fly to San Diego

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Flight deals to San Diego

Looking for a cheap last-minute deal or the best return flight to San Diego? If you want to travel to San Diego next month, return fares start from HK$6,036. Find the lowest prices on one-way and return tickets right here.

San Diego.HK$6,036 per passenger.Departing Wed, 14 Oct, returning Fri, 30 Oct.Return flight with Air Premia and Frontier Airlines.Outbound indirect flight with Air Premia, departs from Hong Kong Intl on Wed, 14 Oct, arriving in San Diego International.Inbound indirect flight with Frontier Airlines, departs from San Diego International on Fri, 30 Oct, arriving in Hong Kong Intl.Price includes taxes and charges.From HK$6,036, select.

San Diego.HK$6,503 per passenger.Departing Tue, 17 Nov, returning Tue, 24 Nov.Return flight with Delta.Outbound indirect flight with Delta, departs from Hong Kong Intl on Tue, 17 Nov, arriving in San Diego International.Inbound indirect flight with Delta, departs from San Diego International on Tue, 24 Nov, arriving in Hong Kong Intl.Price includes taxes and charges.From HK$6,503, select.

San Diego.HK$6,553 per passenger.Departing Thu, 22 Oct, returning Thu, 5 Nov.Return flight with United.Outbound indirect flight with United, departs from Hong Kong Intl on Thu, 22 Oct, arriving in San Diego International.Inbound indirect flight with United, departs from San Diego International on Thu, 5 Nov, arriving in Hong Kong Intl.Price includes taxes and charges.From HK$6,553, select.

San Diego.HK$7,259 per passenger.Departing Fri, 27 Nov, returning Fri, 4 Dec.Return flight with United.Outbound indirect flight with United, departs from Hong Kong Intl on Fri, 27 Nov, arriving in San Diego International.Inbound indirect flight with United, departs from San Diego International on Fri, 4 Dec, arriving in Hong Kong Intl.Price includes taxes and charges.From HK$7,259, select.

San Diego.HK$7,644 per passenger.Departing Thu, 6 May, returning Mon, 10 May.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Hong Kong Intl on Thu, 6 May, arriving in San Diego International.Inbound indirect flight with Air Canada, departs from San Diego International on Mon, 10 May, arriving in Hong Kong Intl.Price includes taxes and charges.From HK$7,644, select.

San Diego.HK$7,672 per passenger.Departing Thu, 8 Apr, returning Tue, 13 Apr.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Hong Kong Intl on Thu, 8 Apr, arriving in San Diego International.Inbound indirect flight with Air Canada, departs from San Diego International on Tue, 13 Apr, arriving in Hong Kong Intl.Price includes taxes and charges.From HK$7,672, select.

San Diego.HK$7,716 per passenger.Departing Wed, 23 Dec, returning Mon, 11 Jan.Return flight with STARLUX Airlines.Outbound indirect flight with STARLUX Airlines, departs from Hong Kong Intl on Wed, 23 Dec, arriving in San Diego International.Inbound indirect flight with STARLUX Airlines, departs from San Diego International on Mon, 11 Jan, arriving in Hong Kong Intl.Price includes taxes and charges.From HK$7,716, select.

San Diego.HK$7,787 per passenger.Departing Mon, 1 Feb, returning Sat, 13 Feb.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Hong Kong Intl on Mon, 1 Feb, arriving in San Diego International.Inbound indirect flight with Air Canada, departs from San Diego International on Sat, 13 Feb, arriving in Hong Kong Intl.Price includes taxes and charges.From HK$7,787, select.

San Diego.HK$7,871 per passenger.Departing Wed, 13 Jan, returning Sun, 17 Jan.Return flight with Delta.Outbound indirect flight with Delta, departs from Hong Kong Intl on Wed, 13 Jan, arriving in San Diego International.Inbound indirect flight with Delta, departs from San Diego International on Sun, 17 Jan, arriving in Hong Kong Intl.Price includes taxes and charges.From HK$7,871, select.

San Diego.HK$7,905 per passenger.Departing Fri, 5 Mar, returning Sun, 21 Mar.Return flight with Delta.Outbound indirect flight with Delta, departs from Hong Kong Intl on Fri, 5 Mar, arriving in San Diego International.Inbound indirect flight with Delta, departs from San Diego International on Sun, 21 Mar, arriving in Hong Kong Intl.Price includes taxes and charges.From HK$7,905, select.

San Diego.HK$8,107 per passenger.Departing Sat, 26 Sep, returning Sat, 17 Oct.Return flight with EVA Air and Alaska Airlines.Outbound indirect flight with EVA Air, departs from Hong Kong Intl on Sat, 26 Sep, arriving in San Diego International.Inbound indirect flight with Alaska Airlines, departs from San Diego International on Sat, 17 Oct, arriving in Hong Kong Intl.Price includes taxes and charges.From HK$8,107, select.

San Diego.HK$8,416 per passenger.Departing Mon, 21 Dec, returning Mon, 28 Dec.Return flight with EVA Air and Alaska Airlines.Outbound indirect flight with EVA Air, departs from Hong Kong Intl on Mon, 21 Dec, arriving in San Diego International.Inbound indirect flight with Alaska Airlines, departs from San Diego International on Mon, 28 Dec, arriving in Hong Kong Intl.Price includes taxes and charges.From HK$8,416, select.

San Diego.HK$11,182 per passenger.Departing Thu, 15 Oct, returning Thu, 17 Dec.Return flight with Korean Air.Outbound indirect flight with Korean Air, departs from Hong Kong Intl on Thu, 15 Oct, arriving in San Diego International.Inbound indirect flight with Korean Air, departs from San Diego International on Thu, 17 Dec, arriving in Hong Kong Intl.Price includes taxes and charges.From HK$11,182, select.

Find the cheapest time to fly to San Diego

Flexible on travel dates? Find the cheapest month – or even day – to fly to San Diego.

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Airports in San Diego

Compare routes to San Diego below. You may find an airport to fly into that's cheaper, faster, or easier.

San Diego International

4km from central San Diego

ClosestCheapest

from HK$6,036

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McClellan-Palomar

48km from central San Diego

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Frequently asked questions

How many airports are there in San Diego?

There are 2 airports in San Diego: San Diego International and McClellan-Palomar.

Which airlines offer direct flights to San Diego?

Currently, there are no airlines that fly direct to San Diego. But we found flights with one or more stops from HK$6,036.

When is the cheapest time to fly to San Diego?

The cheapest month to fly to San Diego is usually October.

How can I find the best flight deal to San Diego?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Diego but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

How much are return flights to San Diego?

The best price we found for a return flight to San Diego is HK$6,036. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

Which is the cheapest airport in San Diego?

The cheapest airport near San Diego is San Diego International – which is 4.1 km away from the centre of San Diego. We've found flights into this airport from HK$6,036.

Which upcoming date is cheapest to fly to San Diego on?

After crunching the numbers on our flight calendar, we found that the cheapest date to fly to San Diego is Wednesday, 14 October 2026.

When is the best time to book flights to San Diego?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Diego is around 40 days in advance, so don’t leave your flight to the last minute.

What’s the weather like in San Diego?

The average temperature in San Diego in September is around 21°C. The warmest month in San Diego is typically September, which averages 24°C. The coolest month is March, with temperatures averaging 12°C. The rainiest month is March, and it usually rains the least in July.

Which is the cheapest airline to fly to San Diego with?

Currently, Air Premia offers the cheapest flight tickets to San Diego.

Flying to San Diego

The things to know before you go.

Cheapest flight found	HK$6,036
Cheapest month to fly	October

Discover San Diego

How to find cheap flights to San Diego

Looking for cheap tickets to San Diego? Here are a few tips on how to score the best price and make your journey as smooth as possible.

Simply hit 'search'. We've compared plane tickets from all major online travel agents and airlines flying to San Diego to find the cheapest flights. And with us there are no hidden fees - what you see is what you pay.
Flex your dates to secure the best air ticket price for your San Diego flight. If your travel dates are flexible, use Skyscanner's 'Whole month' tool to find the cheapest time to fly to San Diego.
Set up a Price Alert. You can easily track the fare of your flights to San Diego by creating an alert. Whenever prices go down or up, you'll get a push notification or e-mail to help you get the best flight deal.
Compare flight deals to San Diego from over 1,000 providers. Then choose the cheapest or fastest plane tickets.
Look for direct flights. Only interested in direct flights to San Diego? Make sure to tick 'Direct flights only' when performing a search. If there are direct San Diego flights available, these will appear in the results.
Find the cheapest Business class flights to San Diego. We scour the internet for the best Business, Premium Economy and First Class flight fares to San Diego, too. Check the difference in price as you search – you might just chance upon a last-minute low fare.
Include nearby airports in your search. Widen your search for San Diego flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure point and your destination and could help you save next time you travel.

Combine your flight to San Diego with hotels and car hire

Once you've secured your cheap flight ticket to San Diego, discover the best prices and exclusive rates for hotels in San Diego or nearby. You can also compare hundreds of car hire companies in one go so that you get the best car hire price for your trip.

Compare San Diego plane tickets with other destinations using the everywhere search

Not entirely set on flying to San Diego just yet? You can easily browse other destinations by searching flights to 'Everywhere' - this will allow you to find the cheapest place to travel to.