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£34+ 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 2/2. 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 — LHR
4 Jan — 11 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 5 December 2025.

Fri 16/108:00SAN - DEN
Nonstop2h 38mAlaska Airlines
Mon 19/119:39DEN - SAN
Nonstop2h 35mAlaska Airlines
Deal found 3/12£73
Wed 31/1215:44SAN - DEN
Nonstop2h 34mAlaska Airlines
Sun 4/106:00DEN - SAN
Nonstop2h 51mAlaska Airlines
Deal found 3/12£95
Thu 1/108:40SAN - DEN
Nonstop2h 30mSouthwest
Mon 5/107:45DEN - SAN
Nonstop2h 30mSouthwest
Deal found 3/12£103
Tue 23/1220:14SAN - DEN
Nonstop2h 45mAlaska Airlines
Thu 1/118:48DEN - SAN
Nonstop2h 40mAlaska Airlines
Deal found 2/12£110
Wed 24/1215:44SAN - DEN
Nonstop2h 34mAlaska Airlines
Mon 29/1206:00DEN - SAN
Nonstop2h 51mAlaska Airlines
Deal found 3/12£118
Fri 26/1220:14SAN - DEN
Nonstop2h 45mAlaska Airlines
Thu 1/118:48DEN - SAN
Nonstop2h 40mAlaska Airlines
Deal found 4/12£125
Sun 4/108:15SAN - DEN
Nonstop2h 52mAlaska Airlines
Wed 14/108:04DEN - SAN
Nonstop2h 46mAlaska Airlines
Deal found 3/12£129
Wed 31/1206:30SAN - DEN
Nonstop2h 31mUnited Airlines
Wed 7/119:10DEN - SAN
Nonstop2h 32mUnited Airlines
Deal found 3/12£133
Mon 29/1220:50SAN - DEN
Nonstop2h 25mSouthwest
Sun 4/106:35DEN - SAN
Nonstop2h 35mSouthwest
Deal found 4/12£140
Mon 29/1220:14SAN - DEN
Nonstop2h 45mAlaska Airlines
Mon 5/118:48DEN - SAN
Nonstop2h 40mAlaska Airlines
Deal found 3/12£144
Fri 26/1211:00SAN - DEN
Nonstop2h 31mUnited Airlines
Tue 30/1221:00DEN - SAN
Nonstop2h 32mUnited Airlines
Deal found 4/12£148
Mon 29/1220:14SAN - DEN
Nonstop2h 45mAlaska Airlines
Sat 3/106:00DEN - SAN
Nonstop2h 51mAlaska Airlines
Deal found 4/12£155

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 858,174 searches. This data was last updated on 5 December 2025.

Fly to

Heathrow

Route

Depart

Return

Price

San DiegoDenver

SAN - DEN

SANDEN

San Diego

Thu 1/1

20:14-23:59

Nonstop2h 45m

Denver Intl

Sat 3/1

06:00-07:51

Nonstop2h 51m

£95

San DiegoDenver

SAN - DEN

SANDEN

San Diego

Wed 31/12

15:44-19:18

Nonstop2h 34m

Denver Intl

Sun 4/1

06:00-07:51

Nonstop2h 51m

£95

San DiegoDenver

SAN - DEN

SANDEN

San Diego

Thu 1/1

08:40-12:10

Nonstop2h 30m

Denver Intl

Mon 5/1

07:45-09:15

Nonstop2h 30m

£103

San DiegoDenver

SAN - DEN

SANDEN

San Diego

Thu 1/1

19:30-22:55

Nonstop2h 25m

Denver Intl

Sun 4/1

06:35-08:10

Nonstop2h 35m

£103

San DiegoDenver

SAN - DEN

SANDEN

San Diego

Thu 1/1

20:14-23:59

Nonstop2h 45m

Denver Intl

Mon 5/1

06:00-07:51

Nonstop2h 51m

£103

San DiegoDenver

SAN - DEN

SANDEN

San Diego

Thu 1/1

20:14-23:59

Nonstop2h 45m

Denver Intl

Sun 4/1

06:00-07:51

Nonstop2h 51m

£103

San DiegoDenver

SAN - DEN

SANDEN

San Diego

Tue 23/12

20:14-23:59

Nonstop2h 45m

Denver Intl

Thu 1/1

18:48-20:28

Nonstop2h 40m

£110

San DiegoDenver

SAN - DEN

SANDEN

San Diego

Wed 24/12

15:44-19:18

Nonstop2h 34m

Denver Intl

Mon 29/12

06:00-07:51

Nonstop2h 51m

£118

San DiegoDallas

SAN - DFW

SANDFW

San Diego

Mon 2/2

16:47-21:46

Nonstop2h 59m

Dallas/Fort Worth

Wed 4/2

08:41-10:00

Nonstop3h 19m

£171

San DiegoDallas

SAN - DFW

SANDFW

San Diego

Tue 13/1

09:21-14:20

Nonstop2h 59m

Dallas/Fort Worth

Thu 15/1

07:14-08:32

Nonstop3h 18m

£171

Flights are sorted by cheapest return flights first.

Deals found on 2/12

Showing 1-10 of 59 results
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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 non-stop 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.
Get a feel of what it's like to fly with British Airways from San Diego by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,562 reviews
Check prices

Boarding

6.9

Entertainment

6.4

Food

6.4

Comfort

6.7

Crew

7.6

Overall

6.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.
British Airways
6.7
Okay
7,562 reviews
British Airways
6.7
Okay
7,562 reviews
Check prices

Boarding

6.9

Entertainment

6.4

Food

6.4

Comfort

6.7

Crew

7.6

Overall

6.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.

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 5 December 2025.

  • Where can you fly direct from San Diego?

    Currently, the most popular direct flight destination from San Diego is Sacramento.

  • How much are direct flights from San Diego?

    On average, a one-way direct flight from San Diego will cost users approximately £214. If you're looking for a direct round-trip flight from San Diego, you can expect to pay around £528.

  • 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 4h 30m on average. The quickest direct flight from San Diego at this time departs from San Diego (1h 40m), while the longest leaves from San Diego (10h 35m).

  • 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, January 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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