$273+ Cheap flights from Irvine, CA to Heathrow (LHR)
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 4/5. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Irvine to Heathrow 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.Cheapflights Tip: The best prices from Irvine to London Heathrow are usually found in October or September, booked 83 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday
Cheap flight deals from Irvine to Heathrow
Keep the following information in mind while searching for Irvine to Heathrow flight deals. Data was last updated April 3, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $582 (Finnair) |
One-way from | $295 (Kiwi.com) |
Popular in | June |
Cheapest in | October |
Average price | $671 |
Find flight deals from Irvine to Heathrow
Cheapest flights from Irvine to HeathrowExplore the most affordable flight options available from Irvine to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 3, 2025.
Explore the most affordable flight options available from Irvine to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 3, 2025.
This Finnair deal was found by Cheapflights users on 4/2. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Netflights deal was found by Cheapflights users on 4/2. 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 Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Booking.com deal was found by Cheapflights users on 4/1. 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.
This Cheapflightsfares deal was found by Cheapflights users on 4/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This World Air Fares deal was found by Cheapflights users on 4/2. 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 World Air Fares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Mytrip deal was found by Cheapflights users on 3/31. 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.
This American Airlines deal was found by Cheapflights users on 4/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This FlightHub deal was found by Cheapflights users on 4/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United deal was found by Cheapflights users on 4/2. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 4/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This SWISS deal was found by Cheapflights users on 3/31. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This British Airways deal was found by Cheapflights users on 4/2. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cheapflights Fare Finder
Customize your flight search to find flights from Irvine to Heathrow 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 April 3, 2025.
Use the filters below to find and compare flights from Irvine to London Heathrow Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Los AngelesLondon
LAX - LHR
LAXLHR
Los Angeles
Fri 5/2
9:25 pm-4:05 pm
Nonstop10h 40m
London Heathrow
Mon 5/19
7:30 am-5:05 pm
1 stop17h 35m
Los AngelesLondon
LAX - LHR
LAXLHR
Los Angeles
Sat 5/3
8:05 am-6:30 am
1 stop14h 25m
London Heathrow
Tue 5/13
2:05 pm-11:07 pm
1 stop17h 02m
Los AngelesLondon
LAX - LHR
LAXLHR
Los Angeles
Fri 4/18
8:15 pm-8:20 pm
1 stop16h 05m
London Heathrow
Tue 5/13
12:00 pm-6:25 pm
1 stop14h 25m
Los AngelesLondon
LAX - LHR
LAXLHR
Los Angeles
Wed 4/16
9:25 pm-4:05 pm
Nonstop10h 40m
London Heathrow
Fri 4/25
2:45 pm-6:05 pm
Nonstop11h 20m
Los AngelesLondon
LAX - LHR
LAXLHR
Los Angeles
Tue 4/22
12:30 pm-10:50 am
1 stop14h 20m
London Heathrow
Tue 5/13
10:20 am-5:05 pm
1 stop14h 45m
Los AngelesLondon
LAX - LHR
LAXLHR
Los Angeles
Tue 4/22
4:35 pm-11:10 am
Nonstop10h 35m
London Heathrow
Tue 5/13
8:45 am-4:30 pm
1 stop15h 45m
Los AngelesLondon
LAX - LHR
LAXLHR
Los Angeles
Fri 5/2
5:00 am-6:30 am
2 stops17h 30m
London Heathrow
Fri 5/9
6:00 am-1:05 pm
1 stop15h 05m
Los AngelesLondon
LAX - LHR
LAXLHR
Los Angeles
Wed 4/23
2:54 pm-12:20 pm
1 stop13h 26m
London Heathrow
Wed 5/7
6:30 am-1:00 pm
1 stop14h 30m
Los AngelesLondon
LAX - LHR
LAXLHR
Los Angeles
Tue 4/22
1:50 pm-10:50 am
1 stop13h 00m
London Heathrow
Sun 4/27
4:55 pm-8:15 pm
Nonstop11h 20m
Los AngelesLondon
LAX - LHR
LAXLHR
Los Angeles
Tue 5/13
3:45 pm-10:15 am
Nonstop10h 30m
London Heathrow
Mon 5/26
2:45 pm-11:50 am
1 stop29h 05m
Best time to book a flight from Irvine to Heathrow
Have a flexible travel schedule? Discover the best time to fly to Heathrow from Irvine with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Irvine to London Heathrow Airport
How far ahead should I book a flight from Irvine to London Heathrow Airport?
Use this chart to determine the optimal time to book a round-trip flight from Irvine to Heathrow. Price data was last updated on March 28, 2025.
The price you pay for your flight from Irvine to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 83 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Irvine to London Heathrow Airport?
Currently, November is the cheapest month in which you can book a flight from Irvine to London Heathrow Airport (average of $661). Flying from Irvine to London Heathrow Airport in June is currently the most expensive (average of $1,110). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from IR9 to LHR?
Find hourly flight availability from Irvine to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 3, 2025.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Irvine to London Heathrow Airport as you normally would.
What is the cheapest day to fly from Irvine to London Heathrow Airport?
Use this chart to determine the cheapest time to fly round-trip from Irvine to Heathrow. Price data was last updated on May 12, 2024.
Travelers seeking maximum savings on their Irvine to London Heathrow Airport flight should consider departing on Sunday mornings when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Irvine to London Heathrow Airport
Explore weekly flight availability from Irvine to Heathrow. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 3, 2025.
The most flights from IR9 to LHR are scheduled on a Monday (58 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (43 on average).
Rainfall in Heathrow by month
Plan your trip to Heathrow by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in London Heathrow Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Heathrow Airport when rainfall is around 1.6 in.
Temperature in Heathrow by month
Plan your trip to Heathrow by taking into account the average temperature totals by month.
If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).
Reviews of airlines servicing Heathrow
Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated April 3, 2025.
Get a feel of what it's like to fly with Delta, KLM and Finnair from Irvine to London by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
Crew
Overall
Food
Boarding
Comfort
Reviews
Aaron,Oct 2024
LAX - LHR
Entertainment
Crew
Overall
Food
Boarding
Comfort
Reviews
Aaron,Oct 2024
LAX - LHR
Entertainment
Crew
Overall
Food
Boarding
Comfort
Reviews
Aaron,Oct 2024
LAX - LHR
Entertainment
Crew
Overall
Food
Boarding
Comfort
Reviews
Aaron,Oct 2024
LAX - LHR
Entertainment
Crew
Overall
Food
Boarding
Comfort
Reviews
Aaron,Oct 2024
LAX - LHR
Entertainment
Crew
Overall
Food
Boarding
Comfort
Reviews
Aaron,Oct 2024
LAX - LHR
Related info for your journey
Find useful and relevant information for your journey from Irvine to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Irvine to Heathrow
See prices for flight routes from nearby airports that may be better suited for you.
Top 10 airlines flying from Irvine to Heathrow
Discover the top 10 airlines that operate flights from Irvine to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 3, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$272 | Average$807 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$414 | Average$601 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$447 | Average$646 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$454 | Average$893 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$463 | Average$700 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$463 | Average$737 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$467 | Average$830 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$514 | Average$691 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$533 | Average$752 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$558 | Average$749 | FlexibilityNo cancel fee | On-timeN/A |