Cheap flights from San Diego to the United Kingdom from $238
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Diego to the United Kingdom departing on 3/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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1 adult
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0 bags
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Cheap round-trip flights
These are some of the best round-trip flight deals from San Diego to the United Kingdom that have been recently found on momondo from popular airlines, departing in the coming months.
Cheap one-way flights
Flying one-way? These are some of the best deals recently discovered on momondo for flights from San Diego to the United Kingdom.
Cheap last minute flights
Planning a quick getaway from San Diego to the United Kingdom? These are the last-minute flight deals available now.
Cheap direct flights
If you prefer a non-stop journey, check out our latest direct flight deals to the United Kingdom, so you can enjoy a seamless trip without layovers.
Iberia flights from San Diego to United Kingdom
Our best Iberia deals on San Diego to United Kingdom flight tickets
Iberia![Iberia]()
Apr 8![Iberia]()
Apr 17
SAN9:20 amSan Diego
15h 40m
1 stop
LHR9:00 amLondon Heathrow
LHR2:55 pmLondon Heathrow
11h 05m
SAN6:00 pmSan Diego
Iberia![Iberia]()
Apr 2![Iberia]()
Apr 9
SAN7:50 pmSan Diego
10h 30m
LHR2:20 pmLondon Heathrow
LHR12:15 pmLondon Heathrow
14h 59m
1 stop
SAN7:14 pmSan Diego
United Airlines flights from San Diego to United Kingdom
Our best United Airlines deals on San Diego to United Kingdom flight tickets
United Airlines![United Airlines]()
Apr 30![United Airlines]()
May 7
SAN11:00 amSan Diego
14h 40m
1 stop
LHR9:40 amLondon Heathrow
LHR7:25 amLondon Heathrow
16h 00m
1 stop
SAN3:25 pmSan Diego
United Airlines![United Airlines]()
Apr 30![United Airlines]()
May 6
SAN3:57 pmSan Diego
14h 13m
1 stop
LHR2:10 pmLondon Heathrow
LHR7:25 amLondon Heathrow
16h 00m
1 stop
SAN3:25 pmSan Diego
See travel insights to the United Kingdom from
How to get the cheapest flight ticket from San Diego to United Kingdom
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
Prices
Airlines
Other information
What is the cheapest month to fly to United Kingdom?
In general, February is the cheapest month to fly from San Diego to United Kingdom. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $711. If you aren’t able to travel to United Kingdom during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $713.
What is the cheapest day to depart on your flight to United Kingdom?
The cheapest day to depart from San Diego to United Kingdom is on a Wednesday when prices can be found for as low as $928. The most expensive day to fly to United Kingdom is Saturday, with ticket prices averaging around $1,108.
What is the cheapest time of day to depart on your flight to United Kingdom?
According to our data, the cheapest time of day to fly to United Kingdom is at noon. momondo users have found flights departing from San Diego to United Kingdom at noon for as low as $880. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to United Kingdom are more costly in the afternoon, with an average ticket price of $995. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.
What is the cheapest San Diego to United Kingdom flight route?
Fly from San Diego to London Heathrow for the best San Diego - United Kingdom flight prices
How far in advance should I book a flight to United Kingdom?
You are more likely to see cheaper flights to United Kingdom from San Diego when booking 7 weeks ahead of your departure date. In general, you can expect to find flights to United Kingdom for around $908 when searching 7 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United Kingdom from San Diego for as low as $811 on momondo.
What cabin class options are available on San Diego to United Kingdom flights?
There are 4 cabin classes available to choose from on San Diego to United Kingdom flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from San Diego to United Kingdom?
JetBlue, WestJet, and Scandinavian Airlines are the most popular carriers operating from San Diego to United Kingdom
What airlines fly to United Kingdom?
British Airways, American Airlines and Iberia are the top three most popular airlines that fly to United Kingdom from San Diego according to our data. British Airways is the first choice among our users, with 59% of people opting to fly with this airline when traveling to United Kingdom. Keep in mind that there are 12 different airlines that fly to United Kingdom on a routine basis, so you have a few additional options to choose from.
How many flights depart from San Diego to United Kingdom on average per day?
5 flights are operational daily from San Diego to United Kingdom as of March 2025. The most popular departure time for this route is 6:00PM, with 100% of flights per day taking off in the evening.
How many flights depart from San Diego to United Kingdom on average per week?
The number of flights available between San Diego and United Kingdom is 36 per week as of March 2025. The most frequent departure day is Mon, with 17% of weekly flights leaving on this day.
Cheap San Diego to United Kingdom flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from San Diego to United Kingdom
Best Price Found | $238 |
|---|---|
Fastest flight time | 10h 25m |
Direct flights | Every day |
Airports in United Kingdom | 5 airports |
When did momondo last update prices for flights from San Diego Airport to United Kingdom?
Prices for flights from San Diego Airport to United Kingdom are refreshed on a daily basis.
How many operators does momondo search for flights from San Diego Airport to United Kingdom?
As of March 2025, there are 12 operators available to choose from for flights from San Diego Airport to United Kingdom.
How old do you have to be to fly from San Diego Airport to United Kingdom?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Diego Airport to United Kingdom.
What documentation or ID do you need to fly to United Kingdom?
The travel and health documents you'll need for your trip to United Kingdom may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at United Kingdom. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from San Diego to United Kingdom?
Based on momondo bookings for flights between San Diego and United Kingdom, the leading plane model is Boeing 787-8 Dreamliner, making up 43.01% of the total bookings. Other popular models include Airbus A350-1000 with 37.86%, Boeing 777-300 with 10.17%, and Boeing 777 with 5.11%.
Best airlines flying from San Diego to United Kingdom
Compare and see reviews for airlines that fly from San Diego to United Kingdom with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $590 | Free Cancellation | Rating 6.7 6,957 reviews | |||
| PriceFrom $595 | Free Cancellation | Rating 7.6 1,271 reviews | |||
| PriceFrom $597 | Free Cancellation | Rating 7.3 2,986 reviews | |||
| PriceFrom $602 | Free Cancellation | Rating 7.4 8,649 reviews | |||
| PriceFrom $604 | Free Cancellation | Rating 7.0 2,640 reviews | |||
| PriceFrom $608 | Free Cancellation | Rating 7.0 8,854 reviews | |||
| PriceFrom $623 | Free Cancellation | Rating 7.4 643 reviews | |||
| PriceFrom $646 | Free Cancellation | Rating 6.6 6,733 reviews | |||
| PriceFrom $649 | Free Cancellation | Rating 8.0 8,024 reviews | |||
| PriceFrom $651 | Free Cancellation | Rating 7.2 10,000 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from San Diego to United Kingdom?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from San Diego to United Kingdom. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from San Diego to United Kingdom with flexible booking policies on momondo?
momondo does allow users to show only those flights to United Kingdom from San Diego which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from San Diego to United Kingdom?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from San Diego to United Kingdom.
I’m not ready to book a flight from San Diego to United Kingdom right now. Can momondo alert me if prices change?
Price alerts on flights to United Kingdom from San Diego are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.
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Find better results for your trip to the United Kingdom
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