What are the cheapest airlines to fly from Irvine to London one-way?

To fly one-way, consider booking your trip with TAP AIR PORTUGAL, which is currently one of the cheapest options available, starting at $172. Norse Atlantic UK flights start at $189 while deals on Virgin Atlantic start at $229 one-way.

Weekly flight availability from Irvine to London

The most flights from IR9 to LON are scheduled on a Monday (58 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (35 on average).

In terms of precipitation, rainfall in London 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 when rainfall is around 1.6 in.

If weather is an important factor for your trip to London, 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).

What are the most popular routes from Irvine to London?

When deciding which route to take from Irvine to London consider Los Angeles - London Heathrow, Los Angeles - London Gatwick or Los Angeles - London City as they are the most popular.

What are the cheapest flights from Irvine to London?

While on average a flight from Irvine to London is generally $3,198, our data shows the cheapest flight currently is $324. When looking at the most popular route, (Los Angeles - London Heathrow), you can expect to pay $610 for that flight.

What are the most reliable airlines from Irvine to London?

Consider KLM (87%), SAUDIA (87%) or Air France (87%) when booking your flight. These represent the most reliable airlines when flying from Irvine to London.

What are the most popular airlines that fly from Irvine to London?

When booking a flight from Irvine to London, you may want to consider flying on British Airways, Virgin Atlantic or American Airlines as they are the most popular for this route.

Can I find deals for flights from Irvine to London that include hotel bookings?

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

How can I find direct flights from Irvine to London?

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

Can I find deals for business class flights from Irvine to London?

Yes. Cheapflights offers flight deals from Irvine 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.

Find Cheap Flights from Irvine to London

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Cheapflights Tip: The best prices from Irvine to London are usually found in February or March, booked 62 days in advance, depart on a Wednesday or Tuesday and return on a Thursday

Find flight deals from Irvine to London

Most accurate provider	Ovago 3 stars
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Popular in	June
Cheapest in	February
Average price	$920

Provider with most accurate pricing for Los Angeles-London (LON) flight deals.

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Highest demand for flights based on searches. 17% potential increase in price ($183 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($25 potential savings vs. average RT price).

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Average for round-trip flights in September 2026

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Everything you need to know about your flight from Irvine to London

Prices

Airlines

What is the cheapest time of day to fly from IR9 to LON?

It’s typically best to fly out from Irvine to London at noon. Doing so could potentially save you 24% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from Irvine to London?

Travelers seeking maximum savings on their Irvine to London flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing London

Get a feel of what it's like to fly with United Airlines,Virgin Atlantic, andNorse Atlantic UK from Irvine 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.

United Airlines

7.4

Good

10,251 reviews

Reviews

1 / 20

4.0

Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

United Airlines

7.4

Good

10,251 reviews

United Airlines

7.4

Good

10,251 reviews

Reviews

1 / 20

4.0

Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

Virgin Atlantic

7.4

Good

694 reviews

United Airlines

7.4

Good

10,251 reviews

Reviews

1 / 20

4.0

Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

Norse Atlantic UK

7.2

Good

United Airlines

7.4

Good

10,251 reviews

Reviews

1 / 20

4.0

Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

American Airlines

7.0

Good

12,098 reviews

United Airlines

7.4

Good

10,251 reviews

Reviews

1 / 20

4.0

Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

British Airways

6.7

Okay

8,239 reviews

United Airlines

7.4

Good

10,251 reviews

Reviews

1 / 20

4.0

Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

Related info for your journey

What are the cheapest airlines to fly from Irvine to London one-way?
To fly one-way, consider booking your trip with TAP AIR PORTUGAL, which is currently one of the cheapest options available, starting at $172. Norse Atlantic UK flights start at $189 while deals on Virgin Atlantic start at $229 one-way.
What are the most popular routes from Irvine to London?
When deciding which route to take from Irvine to London consider Los Angeles - London Heathrow, Los Angeles - London Gatwick or Los Angeles - London City as they are the most popular.
What are the most reliable airlines from Irvine to London?
Consider KLM (87%), SAUDIA (87%) or Air France (87%) when booking your flight. These represent the most reliable airlines when flying from Irvine to London.
What are the cheapest flights from Irvine to London?
While on average a flight from Irvine to London is generally $3,198, our data shows the cheapest flight currently is $324. When looking at the most popular route, (Los Angeles - London Heathrow), you can expect to pay $610 for that flight.
Can I find deals for flights from Irvine to London that include hotel bookings?
Yes. In addition to deals on Irvine to London flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Irvine to London?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Irvine to London.
Can I find deals for business class flights from Irvine to London?
Yes. Cheapflights offers flight deals from Irvine 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.

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Top 10 airlines flying from Irvine to London

Airline	Cheapest	Average	Flexibility	On-time
Condor	Cheapest$280	Average$280	FlexibilityNo cancel fee	On-time76%
Brussels Airlines	Cheapest$291	Average$939	FlexibilityNo cancel fee	On-timeN/A
JetBlue	Cheapest$329	Average$1,037	FlexibilityNo cancel fee	On-time62%
SWISS	Cheapest$356	Average$887	FlexibilityNo cancel fee	On-time79%
TAP AIR PORTUGAL	Cheapest$435	Average$578	FlexibilityNo cancel fee	On-timeN/A
Royal Air Maroc	Cheapest$438	Average$662	FlexibilityNo cancel fee	On-time75%
Norse Atlantic UK	Cheapest$488	Average$739	FlexibilityNo cancel fee	On-timeN/A
Delta	Cheapest$506	Average$1,057	FlexibilityNo cancel fee	On-timeN/A
Scandinavian Airlines	Cheapest$522	Average$891	FlexibilityNo cancel fee	On-time77%
Aer Lingus	Cheapest$541	Average$837	FlexibilityNo cancel fee	On-timeN/A

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Cheap flights from Irvine, CA to London (LON)

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2. Select your favorite providers

3. Compare prices and book

Find flight deals from Irvine to London

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Cheapflights Insights

What is the cheapest time of day to fly from IR9 to LON?

It’s typically best to fly out from Irvine to London at noon. Doing so could potentially save you 24% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from Irvine to London?

Travelers seeking maximum savings on their Irvine to London flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Irvine to London

The most flights from IR9 to LON are scheduled on a Monday (58 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (35 on average).

Reviews of airlines servicing London

Get a feel of what it's like to fly with United Airlines,Virgin Atlantic, andNorse Atlantic UK from Irvine 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.

Related info for your journey

What are the cheapest airlines to fly from Irvine to London one-way?

What are the most popular routes from Irvine to London?

What are the most reliable airlines from Irvine to London?

What are the cheapest flights from Irvine to London?

Can I find deals for flights from Irvine to London that include hotel bookings?

How can I find direct flights from Irvine to London?

Can I find deals for business class flights from Irvine to London?

Traveling to a place near London?

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Complete your trip

Complete your trip to London by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Irvine to London by cabin class

Find flights from Irvine to London, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to London

Explore flights to London departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 29, 2026.

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