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Book Cheap Ontario Plane Tickets

Recent one-way flight deals

 
Only flying one-way? Below are some of the best deals for one-way flights to Ontario found on KAYAK in the last 72 hours.
12/12Tue
3 stops
55h 49mLGW-ONT
£360
13/12Wed
2 stops
30h 22mLGW-ONT
£434
4/1Thu
2 stopsUnited Airlines
35h 46mEDI-ONT
£863
30/1Tue
2 stopsUnited Airlines
21h 11mLHR-ONT
£903
12/12Tue
1 stopFinnair
18h 06mLHR-ONT
£1,010
21/12Thu
1 stopFinnair
14h 00mLHR-ONT
£1,197
28/2Wed
1 stopVirgin Atlantic
18h 10mLHR-ONT
£1,428
28/1Sun
1 stopVirgin Atlantic
18h 08mLHR-ONT
£1,482
25/1Thu
1 stopBritish Airways
14h 47mLHR-ONT
£1,525
22/2Thu
1 stopBritish Airways
15h 35mLHR-ONT
£1,556

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Recent return flight deals

26/1Fri
1 stopJetBlue
18h 03mLHR-ONT
5/2Mon
1 stopJetBlue
25h 55mONT-LHR
£561
8/3Fri
1 stopJetBlue
18h 34mLHR-ONT
11/3Mon
1 stopJetBlue
13h 45mONT-LHR
£563
16/1Tue
1 stopBritish Airways
15h 32mLHR-ONT
22/1Mon
1 stopBritish Airways
12h 49mONT-LHR
£584
1/5Wed
2 stopsUnited Airlines
17h 38mLHR-ONT
8/5Wed
1 stopUnited Airlines
16h 55mONT-LHR
£586
12/2Mon
1 stopUnited Airlines
16h 31mLHR-ONT
19/2Mon
1 stopUnited Airlines
12h 02mONT-LHR
£592
3/1Wed
1 stopBritish Airways
16h 51mLHR-ONT
10/1Wed
1 stopBritish Airways
15h 05mONT-LHR
£595
10/1Wed
1 stopVirgin Atlantic
18h 08mLHR-ONT
17/1Wed
1 stopVirgin Atlantic
13h 05mONT-LHR
£606
27/12Wed
1 stopVirgin Atlantic
20h 13mLHR-ONT
13/1Sat
1 stopVirgin Atlantic
13h 05mONT-LHR
£742
5/1Fri
1 stopFinnair
17h 52mLHR-ONT
25/1Thu
1 stopFinnair
13h 11mONT-LHR
£745
8/1Mon
1 stopFinnair
16h 47mLHR-ONT
12/1Fri
1 stopFinnair
13h 18mONT-LHR
£747

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Recent domestic flight deals

1/5Wed
multi-stopDelta
4h 50mDEN-ONT
15/5Wed
multi-stopDelta
4h 29mONT-DEN
£197
1/2Thu
directDelta
2h 33mSEA-ONT
7/2Wed
directDelta
2h 56mONT-SEA
£198
13/1Sat
multi-stopAlaska Airlines
5h 40mSEA-ONT
20/1Sat
directAlaska Airlines
2h 54mONT-SEA
£208
4/1Thu
directAlaska Airlines
2h 33mSEA-ONT
16/1Tue
directAlaska Airlines
2h 50mONT-SEA
£217
5/2Mon
directUnited Airlines
1h 31mSFO-ONT
6/2Tue
directUnited Airlines
1h 38mONT-SFO
£228
3/1Wed
directSouthwest
2h 25mDEN-ONT
4/1Thu
directSouthwest
2h 15mONT-DEN
£246
3/1Wed
directSouthwest
2h 25mDEN-ONT
4/1Thu
multi-stopSouthwest
4h 15mONT-DEN
£252
9/1Tue
directJetBlue
6h 23mJFK-ONT
13/1Sat
directJetBlue
5h 05mONT-JFK
£268
8/1Mon
directJetBlue
6h 23mJFK-ONT
12/1Fri
directJetBlue
5h 05mONT-JFK
£292
28/12Thu
directUnited Airlines
1h 25mSFO-ONT
3/1Wed
directUnited Airlines
1h 46mONT-SFO
£304

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Last minute flights to Ontario

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights to Ontario that are departing in the next 10 days.
10/12Sun
multi-stopJetBlue
17h 56mLHR-ONT
17/12Sun
multi-stopJetBlue
13h 21mONT-LHR
£679
11/12Mon
multi-stopJetBlue
17h 56mLHR-ONT
18/12Mon
multi-stopJetBlue
13h 21mONT-LHR
£704
9/12Sat
multi-stopLufthansa
17h 06mLHR-ONT
17/1Wed
multi-stopLufthansa
17h 18mONT-LHR
£726
10/12Sun
multi-stopFinnair
14h 19mLHR-ONT
12/12Tue
multi-stopFinnair
22h 51mONT-LHR
£750
12/12Tue
multi-stopFinnair
18h 25mLHR-ONT
14/12Thu
multi-stopFinnair
33h 12mONT-LHR
£751
9/12Sat
multi-stopUnited Airlines
21h 54mLHR-ONT
17/1Wed
multi-stopUnited Airlines
15h 55mONT-LHR
£974
8/12Fri
multi-stopUnited Airlines
14h 17mLHR-ONT
11/12Mon
multi-stopUnited Airlines
12h 05mONT-LHR
£990
10/12Sun
multi-stopVirgin Atlantic
14h 27mLHR-ONT
19/12Tue
multi-stopVirgin Atlantic
12h 55mONT-LHR
£997
12/12Tue
multi-stopBritish Airways
21h 19mMAN-ONT
19/12Tue
multi-stopBritish Airways
18h 58mONT-MAN
£1,091
12/12Tue
multi-stopBritish Airways
15h 34mLHR-ONT
23/12Sat
multi-stopBritish Airways
13h 13mONT-LHR
£10,509

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Flights to Ontario, California

Destination:

Ontario (ONT)United States

Return flight deals:

Ontario - United Kingdom

Cabin classes: