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Easily compare round-trip flights from Ontario to Europe
Below you can see the best fares for your round-trip flight route over the next three months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Ontario to Europe by changing tabs
Quickest
Cheapest
United Airlines
18 Nov
ONT
9:00 pm
Ontario airport
23h 10m
2 Stops
5:10 am
+2
FCO
Rome Fiumicino airport
05 Dec
FCO
6:00 am
Rome Fiumicino airport
33h 19m
2 Stops
6:19 am
+1
ONT
Ontario airport
261 USD
United Airlines
05 Dec
ONT
9:00 pm
Ontario airport
32h 05m
2 Stops
2:05 pm
+2
FCO
Rome Fiumicino airport
08 Dec
FCO
6:00 am
Rome Fiumicino airport
33h 19m
2 Stops
6:19 am
+1
ONT
Ontario airport
269 USD
United Airlines
08 Feb
ONT
9:00 pm
Ontario airport
27h 15m
2 Stops
9:15 am
+2
CDG
Paris Charles de Gaulle airport
22 Feb
CDG
6:00 am
Paris Charles de Gaulle airport
21h 02m
2 Stops
6:02 pm
ONT
Ontario airport
273 USD
United Airlines
02 Mar
ONT
9:00 pm
Ontario airport
19h 08m
2 Stops
1:08 am
+2
FCO
Rome Fiumicino airport
13 Mar
FCO
5:00 am
Rome Fiumicino airport
20h 48m
2 Stops
5:48 pm
ONT
Ontario airport
277 USD
United Airlines
17 Nov
ONT
9:00 pm
Ontario airport
23h 10m
2 Stops
5:10 am
+2
FCO
Rome Fiumicino airport
26 Nov
FCO
6:00 am
Rome Fiumicino airport
25h 37m
2 Stops
10:37 pm
ONT
Ontario airport
283 USD
United Airlines
14 Jan
ONT
9:00 pm
Ontario airport
17h 10m
2 Stops
11:10 pm
+1
FCO
Rome Fiumicino airport
21 Jan
FCO
6:00 am
Rome Fiumicino airport
20h 39m
2 Stops
5:39 pm
ONT
Ontario airport
300 USD
American Airlines
10 Dec
ONT
9:00 pm
Ontario airport
13h 23m
1 Stop
6:23 pm
+1
LHR
London Heathrow airport
09 Jan
LHR
5:00 am
London Heathrow airport
13h 57m
1 Stop
10:57 am
ONT
Ontario airport
368 USD
British Airways
15 Apr
ONT
9:00 pm
Ontario airport
13h 47m
1 Stop
6:47 pm
+1
LHR
London Heathrow airport
27 Apr
LHR
5:00 am
London Heathrow airport
15h 33m
1 Stop
12:33 pm
ONT
Ontario airport
388 USD
British Airways
21 Mar
ONT
9:00 pm
Ontario airport
13h 00m
1 Stop
5:00 pm
+1
LHR
London Heathrow airport
29 Mar
LHR
5:00 am
London Heathrow airport
16h 54m
1 Stop
1:54 pm
ONT
Ontario airport
387 USD
American Airlines
05 Apr
ONT
9:00 pm
Ontario airport
15h 30m
1 Stop
8:30 pm
+1
LHR
London Heathrow airport
13 Apr
LHR
5:00 am
London Heathrow airport
14h 58m
1 Stop
11:58 am
ONT
Ontario airport
370 USD
British Airways
08 Jan
ONT
9:00 pm
Ontario airport
14h 22m
1 Stop
7:22 pm
+1
LHR
London Heathrow airport
15 Jan
LHR
5:00 am
London Heathrow airport
16h 16m
1 Stop
1:16 pm
ONT
Ontario airport
385 USD
American Airlines
29 Mar
ONT
9:00 pm
Ontario airport
15h 30m
1 Stop
8:30 pm
+1
LHR
London Heathrow airport
17 Apr
LHR
5:00 am
London Heathrow airport
16h 54m
1 Stop
1:54 pm
ONT
Ontario airport
370 USD
Alternative routes for Ontario to Europe
Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
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Round-trip flights to other destinations
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*Flight prices to Europe are based on prices for economy tickets found by momondo users during searches within the last 72 hours. These prices may no longer be available.