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$145+ Direct flights from San Diego

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 25/12. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SAN — SYD
27 Dec — 3 Jan1
1 adult
1 adult, Economy, 0 bags

Direct flights from San Diego

Enter your travel dates to find the best prices.

Cheapest flights from San Diego
Explore the most affordable flight options available from San Diego. Find the lowest fares based on data from user searches, with prices last updated on 27 November 2025.

Wed 4/312:40SAN - BZN
Nonstop2h 54mAlaska Airlines
Sat 7/317:14BZN - SAN
Nonstop2h 49mAlaska Airlines
Deal found 25/11$226
Sat 28/212:40SAN - BZN
Nonstop2h 54mAlaska Airlines
Sat 7/317:14BZN - SAN
Nonstop2h 49mAlaska Airlines
Deal found 26/11$264
Thu 18/1208:03SAN - BZN
Nonstop3h 00mAlaska Airlines
Mon 22/1212:43BZN - SAN
Nonstop2h 53mAlaska Airlines
Deal found 26/11$372
Sat 21/212:40SAN - BZN
Nonstop2h 54mAlaska Airlines
Wed 25/217:14BZN - SAN
Nonstop2h 49mAlaska Airlines
Deal found 26/11$387
Sun 15/208:02SAN - BZN
Nonstop3h 00mAlaska Airlines
Sat 21/217:14BZN - SAN
Nonstop2h 49mAlaska Airlines
Deal found 26/11$549
Sat 20/1208:03SAN - BZN
Nonstop3h 00mAlaska Airlines
Tue 23/1212:43BZN - SAN
Nonstop2h 53mAlaska Airlines
Deal found 25/11$606
Fri 2/108:03SAN - BZN
Nonstop3h 00mAlaska Airlines
Tue 6/112:43BZN - SAN
Nonstop2h 53mAlaska Airlines
Deal found 27/11$664
Thu 18/1208:03SAN - BZN
Nonstop3h 00mAlaska Airlines
Fri 2/112:43BZN - SAN
Nonstop2h 53mAlaska Airlines
Deal found 26/11$764
Mon 29/1208:03SAN - BZN
Nonstop3h 00mAlaska Airlines
Mon 5/112:43BZN - SAN
Nonstop2h 53mAlaska Airlines
Deal found 26/11$887
Tue 23/1208:03SAN - BZN
Nonstop3h 00mAlaska Airlines
Sun 28/1212:43BZN - SAN
Nonstop2h 53mAlaska Airlines
Deal found 25/11$889

Find direct flights from San Diego within your budget

 
Use the slider to find direct flights from San Diego within your budget. Price data is based on user searches made on Cheapflights. Over the past seven days, Cheapflights users made 647,157 searches. This data was last updated on 27 November 2025.

Fly to

Sydney

Route

Depart

Return

Price

San DiegoBozeman

SAN - BZN

SANBZN

San Diego

Wed 4/3

12:40-16:34

Nonstop2h 54m

Bozeman Gallatin Field

Sat 7/3

17:14-19:03

Nonstop2h 49m

$226

San DiegoBozeman

SAN - BZN

SANBZN

San Diego

Sat 28/2

12:40-16:34

Nonstop2h 54m

Bozeman Gallatin Field

Sat 7/3

17:14-19:03

Nonstop2h 49m

$264

San DiegoBozeman

SAN - BZN

SANBZN

San Diego

Thu 18/12

08:03-12:03

Nonstop3h 00m

Bozeman Gallatin Field

Mon 22/12

12:43-14:36

Nonstop2h 53m

$372

San DiegoBozeman

SAN - BZN

SANBZN

San Diego

Sat 21/2

12:40-16:34

Nonstop2h 54m

Bozeman Gallatin Field

Wed 25/2

17:14-19:03

Nonstop2h 49m

$387

San DiegoBozeman

SAN - BZN

SANBZN

San Diego

Sun 15/2

08:02-12:02

Nonstop3h 00m

Bozeman Gallatin Field

Sat 21/2

17:14-19:03

Nonstop2h 49m

$549

San DiegoBozeman

SAN - BZN

SANBZN

San Diego

Sat 20/12

08:03-12:03

Nonstop3h 00m

Bozeman Gallatin Field

Mon 22/12

12:43-14:36

Nonstop2h 53m

$606

San DiegoBozeman

SAN - BZN

SANBZN

San Diego

Sat 20/12

08:03-12:03

Nonstop3h 00m

Bozeman Gallatin Field

Tue 23/12

12:43-14:36

Nonstop2h 53m

$606

San DiegoBozeman

SAN - BZN

SANBZN

San Diego

Fri 2/1

08:03-12:03

Nonstop3h 00m

Bozeman Gallatin Field

Tue 6/1

12:43-14:36

Nonstop2h 53m

$664

San DiegoBozeman

SAN - BZN

SANBZN

San Diego

Thu 18/12

08:03-12:03

Nonstop3h 00m

Bozeman Gallatin Field

Fri 2/1

12:43-14:36

Nonstop2h 53m

$764

San DiegoBozeman

SAN - BZN

SANBZN

San Diego

Tue 23/12

08:03-12:03

Nonstop3h 00m

Bozeman Gallatin Field

Sun 28/12

12:43-14:36

Nonstop2h 53m

$889

Flights are sorted by cheapest return flights first.

Deals found on 26/11

Showing 1-10 of 20 results
1
2

Best time to book a flight from San Diego

Have a flexible travel schedule? Discover the best time to fly from San Diego with our price prediction graph.
Estimated return 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.

Reviews of airlines flying direct to San Diego

Get insights into the airlines that provide direct flights from 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 from San Diego. Reviews last updated Cheapflights.
Read reviews from past customers who have flown United Airlines from San Diego. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,050 reviews
Check prices

Crew

8.1

Entertainment

7.1

Overall

7.4

Food

6.6

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
9,050 reviews
United Airlines
7.4
Good
9,050 reviews
Check prices

Crew

8.1

Entertainment

7.1

Overall

7.4

Food

6.6

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Access useful and relevant information related to your journey from San Diego. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 27 November 2025.

  • Where can you fly direct from San Diego?

    Currently, the most popular direct flight destination from San Diego is Chicago O'Hare Intl Airport.

  • How much are direct flights from San Diego?

    On average, a one-way direct flight from San Diego will cost users approximately $297. If you're looking for a direct round-trip flight from San Diego, you can expect to pay around $485.

  • How long is a direct flight from San Diego?

    While the flight duration depends heavily on the destination, on average, travelers can expect non-stop flights from San Diego to last approximately 1h 47m on average. The quickest direct flight from San Diego at this time departs from San Diego (1h 47m), while the longest leaves from San Diego (1h 47m).

  • What is the best time of year to fly direct from San Diego?

    If you're seeking the lowest price on a direct flight from San Diego, October is worth consideration as prices are at their lowest, on average. In terms of the number of daily non-stop flights, January offers travelers the most options.

See more FAQs

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