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£30+ Cheap 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 10/2. 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
11 Dec — 18 Dec1
1 adult
1 adult, Economy, 0 bags

What to know about flights from San Diego

Discover essential information about flights departing from San Diego, including flight schedules, destinations, airlines operating at the San Diego airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 11 November 2025.

Cheapest airline

Hawaiian Airlines

Good round-trip deal

£173 or less

Good one-way deal

£29 or less
On average, Hawaiian Airlines currently has the cheapest one-way flight from San Diego (avg. price of £309).
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Price to beat on a round-trip flight from San Diego.
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Price to beat on a one-way flight from San Diego.
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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 11 November 2025.

Sun 15/215:00SAN - LAS
Nonstop1h 34mDelta
Tue 17/212:59LAS - SAN
Nonstop1h 17mDelta
Deal found 10/11£74
Thu 25/1213:06SAN - LAS
Nonstop1h 33mMultiple Airlines
Thu 1/109:21LAS - SAN
Nonstop1h 16mMultiple Airlines
Deal found 9/11£81
Fri 26/1218:59SAN - LAS
Nonstop1h 29mDelta
Fri 9/108:00LAS - SAN
Nonstop1h 19mDelta
Deal found 8/11£81
Wed 7/107:35SAN - LAS
1 stop4h 30mSouthwest
Wed 7/113:25LAS - SAN
1 stop3h 30mSouthwest
Deal found 10/11£88
Fri 26/1218:59SAN - LAS
Nonstop1h 29mDelta
Tue 6/117:48LAS - SAN
1 stop4h 59mDelta
Deal found 10/11£89
Thu 1/110:00SAN - LAS
Nonstop1h 33mDelta
Mon 5/109:10LAS - SAN
Nonstop1h 19mDelta
Deal found 10/11£90
Tue 16/1209:10SAN - LAS
1 stop7h 03mAlaska Airlines
Tue 16/1218:55LAS - SAN
Nonstop1h 23mAlaska Airlines
Deal found 9/11£92
Mon 19/118:35SAN - LAS
1 stop3h 45mSouthwest
Sat 24/111:50LAS - SAN
1 stop3h 55mSouthwest
Deal found 10/11£96
Fri 12/1222:01SAN - LAS
Nonstop1h 25mAlaska Airlines
Sat 13/1207:25LAS - SAN
Nonstop1h 15mAlaska Airlines
Deal found 9/11£100
Wed 10/1206:30SAN - LAS
1 stop3h 40mSouthwest
Wed 17/1207:00LAS - SAN
1 stop4h 00mSouthwest
Deal found 10/11£103
Thu 12/214:26SAN - DFW
Nonstop3h 00mAmerican Airlines
Sun 15/207:12DFW - SAN
Nonstop3h 23mAmerican Airlines
Deal found 10/11£163
Tue 3/312:03SAN - DFW
1 stop8h 31mDelta
Wed 4/316:30DFW - SAN
1 stop8h 12mDelta
Deal found 10/11£165

Find flights from San Diego within your budget

 
Find flights departing from San Diego that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 11 November 2025. In the last 7 days, Cheapflights users made a total of 858,174 searches

Fly to

Heathrow

Route

Depart

Return

Price

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Tue 24/2

20:59-22:28

Nonstop1h 29m

Las Vegas Harry Reid Intl

Wed 25/2

06:00-07:17

Nonstop1h 17m

£74

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Sun 15/2

15:00-16:34

Nonstop1h 34m

Las Vegas Harry Reid Intl

Tue 17/2

12:59-14:16

Nonstop1h 17m

£74

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Fri 26/12

18:59-20:28

Nonstop1h 29m

Las Vegas Harry Reid Intl

Fri 9/1

08:00-09:19

Nonstop1h 19m

£81

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Tue 24/2

10:37-16:51

1 stop6h 14m

Las Vegas Harry Reid Intl

Wed 25/2

12:59-14:16

Nonstop1h 17m

£81

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Tue 10/3

15:35-17:03

Nonstop1h 28m

Las Vegas Harry Reid Intl

Fri 20/3

12:59-14:14

Nonstop1h 15m

£81

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Sun 11/1

06:30-10:25

1 stop3h 55m

Las Vegas Harry Reid Intl

Tue 13/1

11:00-15:25

1 stop4h 25m

£88

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Wed 1/4

19:30-20:50

Nonstop1h 20m

Las Vegas Harry Reid Intl

Fri 3/4

08:00-09:08

Nonstop1h 08m

£89

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Sun 28/12

18:59-20:28

Nonstop1h 29m

Las Vegas Harry Reid Intl

Thu 1/1

08:00-09:19

Nonstop1h 19m

£89

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Fri 19/12

10:59-12:31

Nonstop1h 32m

Las Vegas Harry Reid Intl

Sun 21/12

08:00-09:19

Nonstop1h 19m

£89

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Tue 23/12

18:59-20:28

Nonstop1h 29m

Las Vegas Harry Reid Intl

Tue 6/1

17:48-22:47

1 stop4h 59m

£89

Flights are sorted by cheapest return flights first.

Deals found on 10/11

Showing 1-10 of 60 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.

Travel insights for flights from San Diego

Get recent, data-driven insights about flights from San Diego including ideal travel times, pricing trends, and more.

When is the best time to book a flight from San Diego?

Use this chart to determine the optimal time to book a return flight from San Diego to Heathrow. Price data was last updated on 7 November 2025.

Booking 34 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Diego. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from San Diego?

Currently, February is the cheapest month in which you can book a flight from San Diego (average of £369). Flying from San Diego in June will prove the most costly (average of £629). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Which airlines fly from San Diego?

Only one airline operates round-trip flights from San Diego: British Airways. This airline flies to the following popular destinations: London.

British Airways
British Airways
From £469
Hawaiian Airlines
Hawaiian Airlines
From £226
Alaska Airlines
Alaska Airlines
From £192
Iberia
Iberia
From £513

What are popular destinations to fly to from San Diego?

If you’re flying from San Diego, these routes are more frequently taken by airlines Chicago (426 flights per day), San Francisco (420 flights per day) and Dallas (262 flights per day).

New York
New York
From £171
London
London
From £329
Chicago
Chicago
From £75

What is the cheapest place to fly to from San Diego?

The cheapest city to fly to from San Diego is San Francisco, with prices starting at £26. Explore other affordable destinations below.

San Francisco
San Francisco
From £26
Chicago
Chicago
From £75
Dallas/Fort Worth
Dallas/Fort Worth
From £98
Seattle/Tacoma Intl
Seattle/Tacoma Intl
From £143

Airline reviews for flights from San Diego

Get insights into the airlines that provide service 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 airline for your flight from San Diego. In the last 7 days, Cheapflights users made a total of 858,174 searches.
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
7,510 reviews
Check prices

Comfort

6.7

Crew

7.6

Boarding

6.9

Food

6.3

Entertainment

6.4

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
7,510 reviews
British Airways
6.7
Okay
7,510 reviews
Check prices

Comfort

6.7

Crew

7.6

Boarding

6.9

Food

6.3

Entertainment

6.4

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.

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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 11 November 2025.

  • What are the most popular destinations to fly to from San Diego?

    This month, the top selected destinations from San Diego are Boston, Chicago, Atlanta. Throughout the year, Boston, Chicago, Atlanta are some of the top choices made by users flying from San Diego.

  • What is the cheapest flight from San Diego to anywhere?

    Users have flown out of San Diego for as low as £26 to San Francisco (prices may vary depending on the airline and departure time). On average, users have booked flights for £317 to fly from San Diego.

  • What are the cheapest airlines flying from San Diego to anywhere?

    Over the past few days, we've found that Alaska Airlines, Hawaiian Airlines, and United Airlines have the cheapest prices from San Diego. Alaska Airlines flights from San Diego to Kahului (£192), Hawaiian Airlines flights from San Diego to Honolulu (£226), and United Airlines flights from San Diego to London (£430).

  • What is the cheapest premium economy flight from San Diego?

    Here are some of the cheapest offers we have found for the cheapest premium economy flights from San Diego.
    San Diego to Las Vegas from £151
    San Diego to Denver from £434
    San Diego to Boston from £1,162
    San Diego to London Heathrow Airport from £1,358

  • What is the cheapest first class flight from San Diego?

    If you’re looking for a cheap first-class flight from San Diego, consider Las Vegas. Prices start at £196 so you can fly first-class even on a budget.

  • What is the cheapest month to fly from San Diego?

    At the present moment the cheapest month to fly from San Diego is currently February; with June being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.

  • Where are the cheapest places to fly to from San Diego?

    Check out the cheapest flights from San Diego to embark to:
    Travel from San Diego to London from £424 round trip

  • How does Cheapflights help users find flights from San Diego?

    900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight from San Diego today with Cheapflights!

  • Why should you use Cheapflights to find cheap flight tickets from San Diego?

    Cheapflights simply makes it quick and affordable to book flights from San Diego by bringing together all flight options from hundreds of airlines and agencies online — and we put them in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

  • Can Cheapflights find flights from San Diego with no change fees?

    Yes, we can. To see specific flights from San Diego with no change fees, users can toggle flexible booking options after using the search form above to find flights.

  • Can Cheapflights notify me if prices for flights from San Diego become cheaper?

    Yes! Start tracking prices for flights from San Diego today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive the alerts.

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Fly with Cheapflights

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How does Cheapflights help users find flights from San Diego?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight from San Diego today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from San Diego?

Cheapflights simply makes it quick and affordable to book flights from San Diego by bringing together all flight options from hundreds of airlines and agencies online — and we put them in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from San Diego with no change fees?

Yes, we can. To see specific flights from San Diego with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from San Diego become cheaper?

Yes! Start tracking prices for flights from San Diego today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive the alerts.

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