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Ontario, California to European cities from only $428 roundtrip (Oct-Mar dates)

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Cheap flights from Ontario, California to European cities from only $428 roundtrip with United Airlines and Air Canada.

Fly to:
Dublin: $428-$449
Geneva: $432
Brussels: $434
Madrid: $437-$446
Milan: $447

DEPART:
Ontario, USA

ARRIVE:
Dublin, Ireland
Geneva, Switzerland
Brussels, Belgium
Madrid, Spain
Milan, Italy

RETURN:
Ontario, USA

DATES:
Availability from October 2023 to March 2024 (excluding Christmas/New Year)

Example dates:

Ontario – Dublin: $428-$449
31st Oct – 9th Nov
6th-15th Nov
20th-29th Nov
22nd Nov – 1st Dec
24th Nov – 3rd Dec
28th Nov – 7th Dec
6th-15th Dec
7th-16th Jan
9th-18th Jan
13th-22nd Jan
17th-26th Jan
19th-28th Jan
21st-30th Jan
23rd Jan – 1st Feb
27th Jan – 5th Feb
29th Jan – 7th Feb
31st Jan – 9th Feb
12th-21st Feb
14th-23rd Feb
18th-27th Feb

Ontario – Geneva: $432
4th-13th Dec
6th-15th Dec
19th-28th Jan
25th Jan – 3rd Feb
29th Jan – 7th Feb
10th-19th Feb
12th-21st Feb
–
More dates are available for $448 roundtrip:
20th-29th Nov
30th Nov – 9th Dec
2nd-11th Dec
13th-22nd Jan

Ontario – Brussels: $434
28th Nov – 7th Dec
6th-15th Dec
9th-18th Jan
23rd Jan – 1st Feb
29th Jan – 7th Feb

Ontario – Madrid: $437-$446
31st Oct – 9th Nov
28th Nov – 7th Dec
2nd-11th Dec
11th-20th Jan
13th-22nd Jan
17th-26th Jan
19th-28th Jan
23rd Jan – 1st Feb
27th Jan – 5th Feb
31st Jan – 9th Feb
2nd-11th Feb
6th-15th Feb
8th-17th Feb
10th-19th Feb
20th-29th Feb
22nd Feb – 2nd Mar

Ontario – Milan: $447
17th-26th Jan
31st Jan – 9th Feb
14th-23rd Feb

and more…

STOPS:
Denver
Toronto

AIRLINES:
United Airlines
Air Canada