HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
London

$341+ Cheap flights from San Diego (SAN) to London, ON (YXU)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/7. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — YXU
Jul 7 — Jul 141
Mon 7/7
Mon 7/14
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Diego to London with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from San Diego to London

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to London (YXU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 2, 2025.

Round-trip from

$341
(Booking.com)
From San Diego to London
Search Deals

Find flight deals from San Diego to London

Cheapest flights from San Diego to London
Explore the most affordable flight options available from San Diego to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.

This Booking.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/71:00 pmSAN - YXU
2 stops13h 14mWestJet
Mon 8/116:00 amYXU - SAN
1 stop10h 20mWestJet
Deal found 7/2$341
This Mytrip deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/306:15 amSAN - YXU
3 stops19h 59mMultiple Airlines
Wed 8/66:00 amYXU - SAN
1 stop10h 20mMultiple Airlines
Deal found 7/2$426

Cheapflights Fare Finder

Customize your flight search to find flights from San Diego to London that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 2, 2025.
Use the filters below to find and compare flights from San Diego to London that are best for you.

Fly from

San Diego

Fly to

London

Route

Depart

Return

Price

San DiegoLondon

SAN - YXU

SANYXU

San Diego

Thu 8/7

1:00 pm-5:14 am

2 stops13h 14m

London

Mon 8/11

6:00 am-1:20 pm

1 stop10h 20m

$341

San DiegoLondon

SAN - YXU

SANYXU

San Diego

Wed 7/30

6:15 am-5:14 am

3 stops19h 59m

London

Wed 8/6

6:00 am-1:20 pm

1 stop10h 20m

$426

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Best time to book a flight from San Diego to London

Have a flexible travel schedule? Discover the best time to fly to London from San Diego with our price prediction graph.
Estimated round-trip 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 servicing London

Get insights into the airlines that provide service to London. 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 to London. Reviews last updated July 2, 2025.
Get a feel of what it's like to fly with WestJet from San Diego to London by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
WestJet
7.2
Good
2,912 reviews

Crew

7.9

Overall

7.2

Food

6.2

Boarding

7.4

Entertainment

6.1

Comfort

7.1

Reviews

1 / 20
10.0
Excellent

Sugith,Jan 2025

CUN - YYZ

On time departure. Good service on board. Comfort Plus seating was comfortable.
WestJet
7.2
Good
2,912 reviews
WestJet
7.2
Good
2,912 reviews

Crew

7.9

Overall

7.2

Food

6.2

Boarding

7.4

Entertainment

6.1

Comfort

7.1

Reviews

1 / 20
10.0
Excellent

Sugith,Jan 2025

CUN - YYZ

On time departure. Good service on board. Comfort Plus seating was comfortable.

Related info for your journey

Find useful and relevant information for your journey from San Diego to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find deals for flights from San Diego to London that include hotel bookings?

    Yes. In addition to deals on San Diego to London flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Diego to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Diego to London.

  • Can I find deals for business class flights from San Diego to London?

    Yes. Cheapflights offers flight deals from San Diego to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
Grand Bend

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Diego to London

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Pearson Intl flights
San Francisco to Pearson Intl flights
Los Angeles to Pierre Elliott Trudeau Intl flights
San Francisco to Pierre Elliott Trudeau Intl flights
Los Angeles to Toronto Island flights
Ontario to Pearson Intl flights
Los Angeles to Region of Waterloo Intl flights
San Francisco to Region of Waterloo Intl flights
San Diego to Pearson Intl flights
San Francisco to Hamilton flights
Santa Ana to Pearson Intl flights
San Francisco to Toronto Island flights
Los Angeles to Hamilton flights
San Jose to Pearson Intl flights
Burbank to Pearson Intl flights
Las Vegas to Pearson Intl flights
Sacramento to Pearson Intl flights
Santa Ana to Hamilton flights
San Diego to Pierre Elliott Trudeau Intl flights
Long Beach to Pearson Intl flights
San Francisco to Ottawa flights
Palm Springs to Pearson Intl flights
San Diego to Toronto Island flights
Las Vegas to Pierre Elliott Trudeau Intl flights
San Diego to Region of Waterloo Intl flights
Ontario to Pierre Elliott Trudeau Intl flights
Oakland to Pearson Intl flights
Santa Ana to Pierre Elliott Trudeau Intl flights
San Jose to Pierre Elliott Trudeau Intl flights
Los Angeles to Ottawa flights
Las Vegas to Region of Waterloo Intl flights
San Diego to Hamilton flights
Las Vegas to Toronto Island flights
Fresno to Pearson Intl flights
Sacramento to Pierre Elliott Trudeau Intl flights
Las Vegas to Hamilton flights
San Diego to Ottawa flights
San Jose to Ottawa flights
San Jose to Toronto Island flights
Santa Ana to Toronto Island flights
San Jose to Hamilton flights
Sacramento to Hamilton flights
Burbank to Pierre Elliott Trudeau Intl flights
Los Angeles to London flights
Oakland to Pierre Elliott Trudeau Intl flights
Reno to Pearson Intl flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.