Cheap flights from California to the United Kingdom from $174
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from California to the United Kingdom departing on 7/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from California to the United Kingdom
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
British Airways flights from California to United Kingdom
Our best British Airways deals on California to United Kingdom flight tickets
Aer Lingus flights from California to United Kingdom
Our best Aer Lingus deals on California to United Kingdom flight tickets
See travel insights to the United Kingdom from
How to get the cheapest flight ticket from California 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
What is the cheapest month to fly to United Kingdom?
In general, October is the cheapest month to fly from California to United Kingdom. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $625. If you aren’t able to travel to United Kingdom during the month of October, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $643.
What is the cheapest day to depart on your flight to United Kingdom?
The cheapest day to depart from California to United Kingdom is on a Wednesday when prices can be found for as low as $802. The most expensive day to fly to United Kingdom is Saturday, with ticket prices averaging around $930.
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 in the morning. momondo users have found flights departing from California to United Kingdom in the morning for as low as $755. 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 at noon, with an average ticket price of $900. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.
What is the cheapest California to United Kingdom flight route?
Fly from Los Angeles to London Gatwick for the best California - 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 California when booking 25 weeks ahead of your departure date. In general, you can expect to find flights to United Kingdom for around $792 when searching 25 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United Kingdom from California for as low as $752 on momondo.
What cabin class options are available on California to United Kingdom flights?
There are 4 cabin classes available to choose from on California 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 California to United Kingdom?
Norse Atlantic UK, TAP AIR PORTUGAL, and Iberia are the most popular carriers operating from California to United Kingdom
What airlines fly to United Kingdom?
British Airways, United Airlines and Iberia are the top three most popular airlines that fly to United Kingdom from California according to our data. British Airways is the first choice among our users, with 44% of people opting to fly with this airline when traveling to United Kingdom. Keep in mind that there are 23 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 California to United Kingdom on average per day?
As of May 2025, there are 108 flights per day flying from California to United Kingdom. The most common time of day flights depart is 4:00PM, with 60% of flights taking off in the afternoon.
How many flights depart from California to United Kingdom on average per week?
As of May 2025, 758 flights take off from California and land in United Kingdom each week. The most common flight departure day for this route is Thu, with 16% of weekly flights taking off on this day.
Cheap California to United Kingdom flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from California to United Kingdom
Best Price Found | $174 |
|---|---|
Fastest flight time | 9h 55m |
Direct flights | Every day |
Airports in United Kingdom | 2 airports |
When did momondo last update prices for flights from California to United Kingdom?
Prices for flights from California to United Kingdom are updated daily.
How many operators does momondo search for flights from California to United Kingdom?
As of May 2025, there are 22 operators available to choose from for flights from California to United Kingdom.
How old do you have to be to fly from California 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 California to United Kingdom.
What documentation or ID do you need to fly to United Kingdom?
The required travel and health documents for your United Kingdom trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at United Kingdom. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from California to United Kingdom?
momondo data reveals that the most frequently booked plane model on the route from California to United Kingdom is Airbus A380-800, representing 19.02% of all bookings. The subsequent popular models are Boeing 787-9 Dreamliner at 18.75%, Boeing 777-300ER at 13.88%, and Boeing 777 at 13.24%.
Best airlines flying from California to United Kingdom
Compare and see reviews for airlines that fly from California to United Kingdom with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $272 | Free Cancellation | Rating 7.2 2,826 reviews | |||
| PriceFrom $326 | Free Cancellation | Rating 7.3 1,349 reviews | |||
| PriceFrom $388 | Free Cancellation | Rating 7.1 45 reviews | |||
| PriceFrom $418 | Free Cancellation | Rating 7.4 643 reviews | |||
| PriceFrom $428 | Free Cancellation | Rating 7.1 1,852 reviews | |||
| PriceFrom $430 | Free Cancellation | Rating 7.4 1,448 reviews | |||
| PriceFrom $452 | Free Cancellation | Rating 6.7 7,045 reviews | |||
| PriceFrom $465 | Free Cancellation | Rating 7.6 1,275 reviews | |||
| PriceFrom $486 | Free Cancellation | Rating 7.8 1,334 reviews | |||
| PriceFrom $527 | Free Cancellation | Rating 7.0 1,076 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from California to United Kingdom?
Finding the right flight to United Kingdom from California is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to United Kingdom quick and easy, saving you time and money.
Can I find flights from California to United Kingdom with flexible booking policies on momondo?
Yes. All flights to United Kingdom from California on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from California to United Kingdom?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to United Kingdom from California.
I’m not ready to book a flight from California to United Kingdom right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to United Kingdom from California. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.