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Cheap flights from Europe to Los Angeles from $407

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Europe to Los Angeles departing on 3/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Europe to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:35 am - 5:41 pm
LHR
-
ONT
19h 06m
2 stops
United Airlines Logo
1:50 pm - 9:40 am
ONT
-
LHR
12h 50m
1 stop
$503United Airlines
Tue, Mar 3 - Tue, Mar 10
United Airlines Logo
6:30 am - 5:41 pm
LHR
-
ONT
19h 11m
2 stops
United Airlines Logo
1:50 pm - 9:40 am
ONT
-
LHR
12h 50m
1 stop
$504United Airlines
Sat, Feb 28 - Mon, Mar 9
Virgin Atlantic Logo
10:55 am - 4:14 pm
LHR
-
ONT
13h 19m
1 stop
Virgin Atlantic Logo
2:00 pm - 12:10 pm
ONT
-
LHR
14h 10m
1 stop
$527Virgin Atlantic
Wed, Jul 1 - Sat, Aug 1
United Airlines Logo
6:30 am - 5:41 pm
LHR
-
ONT
19h 11m
2 stops
United Airlines Logo
1:50 pm - 9:40 am
ONT
-
LHR
12h 50m
1 stop
$528United Airlines
Sat, Feb 28 - Sun, Mar 8
British Airways Logo
4:25 pm - 12:08 am
LHR
-
ONT
15h 43m
1 stop
British Airways Logo
4:54 pm - 3:05 pm
ONT
-
LHR
14h 11m
1 stop
$532British Airways
Wed, Aug 12 - Thu, Aug 27
British Airways Logo
10:05 am - 4:22 pm
LHR
-
ONT
14h 17m
1 stop
British Airways Logo
10:59 am - 8:05 am
ONT
-
LHR
13h 06m
1 stop
$543British Airways
Wed, Apr 8 - Thu, Apr 23
Air Canada Logo
1:25 pm - 12:43 pm
LHR
-
ONT
31h 18m
2 stops
Air Canada Logo
6:15 am - 11:50 am
ONT
-
LHR
22h 35m
2 stops
$544Air Canada
Sat, Feb 28 - Sun, Mar 8
Delta Logo
8:40 am - 11:44 pm
LHR
-
ONT
23h 04m
2 stops
Delta Logo
5:55 pm - 3:35 pm
ONT
-
LHR
13h 40m
1 stop
$545Delta
Wed, Jul 29 - Tue, Aug 11
Delta Logo
10:35 am - 11:13 am
FCO
-
ONT
33h 38m
2 stops
Delta Logo
11:53 am - 7:05 pm
ONT
-
FCO
22h 12m
2 stops
$631Delta
Thu, Apr 23 - Mon, May 4
Air Canada Logo
11:45 am - 5:47 pm
MUC
-
ONT
15h 02m
1 stop
Air Canada Logo
1:34 pm - 2:10 pm
ONT
-
MUC
15h 36m
1 stop
$662Air Canada
Thu, Apr 2 - Wed, Apr 15

British Airways flights from Europe to Ontario

Our best British Airways deals on Europe to Ontario flight tickets
British Airways
Aug 12
LHR4:25 pmLondon Heathrow
15h 43m
1 stop
ONT12:08 amOntario
Aug 27
ONT4:54 pmOntario
14h 11m
1 stop
LHR3:05 pmLondon Heathrow
$532
British Airways
Feb 19
LHR4:30 pmLondon Heathrow
15h 29m
1 stop
ONT11:59 pmOntario
Feb 26
ONT2:39 pmOntario
13h 01m
1 stop
LHR11:40 amLondon Heathrow
$538
British Airways
Apr 8
LHR10:05 amLondon Heathrow
14h 17m
1 stop
ONT4:22 pmOntario
Apr 23
ONT10:59 amOntario
13h 06m
1 stop
LHR8:05 amLondon Heathrow
$543

Delta flights from Europe to Ontario

Our best Delta deals on Europe to Ontario flight tickets
Delta
Jul 29
LHR8:40 amLondon Heathrow
23h 04m
2 stops
ONT11:44 pmOntario
Aug 11
ONT5:55 pmOntario
13h 40m
1 stop
LHR3:35 pmLondon Heathrow
$545
Delta
Apr 27
LHR11:45 amLondon Heathrow
18h 52m
2 stops
ONT10:37 pmOntario
May 9
ONT1:35 pmOntario
14h 35m
1 stop
LHR12:10 pmLondon Heathrow
$550
Delta
Mar 25
LHR10:45 amLondon Heathrow
20h 06m
1 stop
ONT11:51 pmOntario
Apr 14
ONT2:20 pmOntario
13h 50m
1 stop
LHR12:10 pmLondon Heathrow
$565

momondo Fare Finder

 
Customize your flight search to find flights from Europe to Ontario 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, momondo users made 832,500 searches. Data last updated February 13, 2026.
Use the filters below to find and compare flights from Europe to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Tue 3/3

6:35 am-5:41 pm

2 stops19h 06m

Ontario

Tue 3/10

1:50 pm-9:40 am

1 stop12h 50m

$503

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Sat 2/28

6:30 am-5:41 pm

2 stops19h 11m

Ontario

Mon 3/9

1:50 pm-9:40 am

1 stop12h 50m

$504

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Wed 7/1

10:55 am-4:14 pm

1 stop13h 19m

Ontario

Sat 8/1

2:00 pm-12:10 pm

1 stop14h 10m

$527

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Sat 2/28

6:30 am-5:41 pm

2 stops19h 11m

Ontario

Sun 3/8

1:50 pm-9:40 am

1 stop12h 50m

$528

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Wed 8/12

4:25 pm-12:08 am

1 stop15h 43m

Ontario

Thu 8/27

4:54 pm-3:05 pm

1 stop14h 11m

$532

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Wed 4/8

10:05 am-4:22 pm

1 stop14h 17m

Ontario

Thu 4/23

10:59 am-8:05 am

1 stop13h 06m

$543

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Sat 2/28

1:25 pm-12:43 pm

2 stops31h 18m

Ontario

Sun 3/8

6:15 am-11:50 am

2 stops22h 35m

$544

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Wed 7/29

8:40 am-11:44 pm

2 stops23h 04m

Ontario

Tue 8/11

5:55 pm-3:35 pm

1 stop13h 40m

$545

RomeOntario

FCO - ONT

FCOONT

Rome Fiumicino

Thu 4/23

10:35 am-11:13 am

2 stops33h 38m

Ontario

Mon 5/4

11:53 am-7:05 pm

2 stops22h 12m

$631

MunichOntario

MUC - ONT

MUCONT

Munich Franz Josef Strauss

Thu 4/2

11:45 am-5:47 pm

1 stop15h 02m

Ontario

Wed 4/15

1:34 pm-2:10 pm

1 stop15h 36m

$662

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Europe to Ontario

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 Ontario?

In general, September is the cheapest month to fly from Europe to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $547. If you aren’t able to travel during the month of September, then book flights to Ontario from Europe during February instead. Flights to Ontario in February, while not as cheap as those in September, still average around $558.

How far in advance should I book a flight to Ontario?

You are more likely to see cheaper flights to Ontario from Europe when booking weeks ahead of your departure date. In general, you can expect to find flights to Ontario for around $663 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ontario from Europe for as low as $527 on momondo.

Can stopping save me money on Europe to Ontario flights?

You could potentially save up to 8% on your flight if you consider stops on a Europe to Ontario flight.

Cheap Europe to Ontario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Europe to Ontario

Fastest flight time

13h 19m

Direct flights

None
The fastest flight from Europe to Ontario takes 13h 19m
There are no direct flights from Europe to Ontario. There are no popular flight routes from Europe to Ontario.
Search flight deals

  • When did momondo last update prices for flights from Europe to Ontario Airport?

    Prices for flights from Europe to Ontario Airport are updated daily.

  • How many operators does momondo search for flights from Europe to Ontario Airport?

  • How old do you have to be to fly from Europe to Ontario Airport?

    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 Europe to Ontario Airport.

  • What documentation or ID do you need to fly to Ontario Airport?

    The necessary travel and health documents for your Ontario Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Europe to Ontario

Compare and see reviews for airlines that fly from Europe to Ontario with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $497Free CancellationRating
7.4
9,283 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Europe to Ontario?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Europe to Ontario for you.

Can I find flights from Europe to Ontario with flexible booking policies on momondo?

momondo does allow users to show only those flights to Ontario from Europe which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Europe to Ontario?

Once all potential Europe to Ontario flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Europe to Ontario right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Ontario, momondo offers a useful price alert feature which will track prices for flights to Ontario from Europe and alert you when they change.

An easier way to manage your Ontario trip

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