£69+ Cheap flights from San Diego

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/1. 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 Jan — 18 Jan1
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 12 December 2025.

Cheapest airline

Hawaiian Airlines

Good round-trip deal

£170 or less

Good one-way deal

£73 or less
On average, Hawaiian Airlines currently has the cheapest one-way flight from San Diego (avg. price of £304).
Price to beat on a round-trip flight from San Diego.
Price to beat on a one-way flight from San Diego.

Find 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 12 December 2025.

Wed 24/1206:15SAN - DFW
1 stop9h 02mDelta
Thu 25/1213:29DFW - SAN
1 stop9h 27mDelta
Deal found 11/12£162
Wed 21/113:29SAN - DFW
1 stop5h 47mDelta
Fri 23/116:25DFW - SAN
1 stop8h 17mDelta
Deal found 10/12£181
Thu 22/114:55SAN - DFW
1 stop6h 59mDelta
Mon 26/116:00DFW - SAN
1 stop5h 08mDelta
Deal found 10/12£201
Thu 12/218:50SAN - DFW
1 stop11h 38mFrontier
Sun 15/209:38DFW - SAN
1 stop5h 09mFrontier
Deal found 11/12£217
Thu 15/113:00SAN - DFW
1 stop5h 45mUnited Airlines
Sun 18/114:23DFW - SAN
2 stops7h 31mUnited Airlines
Deal found 10/12£218
Wed 7/115:12SAN - DFW
Nonstop3h 04mAmerican Airlines
Fri 9/121:30DFW - SAN
Nonstop3h 20mAmerican Airlines
Deal found 10/12£227
Thu 25/1211:00SAN - DFW
2 stops8h 55mUnited Airlines
Thu 1/107:00DFW - SAN
1 stop6h 05mUnited Airlines
Deal found 10/12£236
Tue 28/408:05SAN - DFW
Nonstop3h 20mAlaska Airlines
Thu 13/815:20DFW - SAN
Nonstop3h 05mAlaska Airlines
Deal found 11/12£252
Thu 12/215:38SAN - DFW
Nonstop3h 00mAmerican Airlines
Sun 15/211:28DFW - SAN
Nonstop3h 18mAmerican Airlines
Deal found 11/12£261
Mon 12/118:00SAN - GLA
1 stop14h 35mBritish Airways
Mon 26/106:35GLA - SAN
1 stop17h 35mBritish Airways
Deal found 10/12£439
Wed 11/319:00SAN - EDI
1 stop17h 50mBritish Airways
Sun 22/306:20EDI - SAN
1 stop17h 45mBritish Airways
Deal found 11/12£441
Sun 8/218:00SAN - MAN
1 stop17h 15mBritish Airways
Sun 15/207:55MAN - SAN
1 stop16h 10mBritish Airways
Deal found 11/12£445

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 12 December 2025. In the last 7 days, Cheapflights users made a total of 858,174 searches

Fly to

Heathrow

Route

Depart

Return

Price

San DiegoDallas

SAN - DFW

SANDFW

San Diego

Wed 7/1

15:12-20:16

Nonstop3h 04m

Dallas/Fort Worth

Fri 9/1

21:30-22:50

Nonstop3h 20m

£227

San DiegoDallas

SAN - DFW

SANDFW

San Diego

Wed 29/4

13:00-18:18

Nonstop3h 18m

Dallas/Fort Worth

Tue 11/8

15:20-16:25

Nonstop3h 05m

£252

San DiegoDallas

SAN - DFW

SANDFW

San Diego

Thu 30/4

08:05-13:25

Nonstop3h 20m

Dallas/Fort Worth

Wed 12/8

15:20-16:25

Nonstop3h 05m

£252

San DiegoDallas

SAN - DFW

SANDFW

San Diego

Wed 29/4

13:00-18:18

Nonstop3h 18m

Dallas/Fort Worth

Thu 13/8

15:20-16:25

Nonstop3h 05m

£252

San DiegoDallas

SAN - DFW

SANDFW

San Diego

Wed 29/4

13:00-18:18

Nonstop3h 18m

Dallas/Fort Worth

Wed 12/8

19:20-20:25

Nonstop3h 05m

£252

San DiegoDallas

SAN - DFW

SANDFW

San Diego

Thu 30/4

13:00-18:18

Nonstop3h 18m

Dallas/Fort Worth

Tue 11/8

19:20-20:25

Nonstop3h 05m

£252

San DiegoDallas

SAN - DFW

SANDFW

San Diego

Tue 28/4

11:30-23:48

1 stop10h 18m

Dallas/Fort Worth

Thu 13/8

19:20-20:25

Nonstop3h 05m

£259

San DiegoDallas

SAN - DFW

SANDFW

San Diego

Tue 28/4

20:50-07:13

1 stop8h 23m

Dallas/Fort Worth

Tue 11/8

19:20-20:25

Nonstop3h 05m

£259

San DiegoManchester

SAN - MAN

SANMAN

San Diego

Sun 8/2

18:00-19:15

1 stop17h 15m

Manchester

Sun 15/2

07:55-16:05

1 stop16h 10m

£445

San DiegoGlasgow

SAN - GLA

SANGLA

San Diego

Mon 12/1

12:46-16:35

2 stops19h 49m

Glasgow Intl

Mon 26/1

17:45-16:10

1 stop30h 25m

£450

Flights are sorted by cheapest return flights first.

Deals found on 11/12

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 5 December 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, December is the cheapest month in which you can book a flight from San Diego (average of £350). Flying from San Diego in June will prove the most costly (average of £620). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

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.

Entertainment

6.4

Crew

7.6

Boarding

6.9

Overall

6.7

Food

6.4

Comfort

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.

Entertainment

6.4

Crew

7.6

Boarding

6.9

Overall

6.7

Food

6.4

Comfort

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 12 December 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 £51 to San Francisco (prices may vary depending on the airline and departure time). On average, users have booked flights for £341 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 British Airways have the cheapest prices from San Diego. Alaska Airlines flights from San Diego to Kahului (£189), Hawaiian Airlines flights from San Diego to Honolulu (£223), and British Airways flights from San Diego to London Heathrow (£453).

  • 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 £203
    San Diego to Denver from £426
    San Diego to Boston from £1,143
    San Diego to Chicago O'Hare Intl Airport from £1,643

  • 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 £193 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 December; 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 £423 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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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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