Ontario, California to Athens, Greece for only $471 roundtrip

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Cheap flights from Ontario, California to Athens, Greece for only $471 roundtrip with American Airlines and British Airways.

DEPART:
Ontario, USA

ARRIVE:
Athens, Greece

RETURN:
Ontario, USA

DATES:
Availability from January to March 2026

Example dates:
5th-13th Jan
5th-14th Jan
6th-13th Jan
6th-14th Jan
7th-14th Jan
11th-20th Jan
12th-20th Jan
12th-21st Jan
13th-20th Jan
13th-21st Jan
13th-22nd Jan
14th-21st Jan
14th-22nd Jan
14th-23rd Jan
18th-27th Jan
21st-28th Jan
21st-29th Jan
21st-30th Jan
25th Jan – 3rd Feb
26th Jan – 3rd Feb
26th Jan – 4th Feb
27th Jan – 3rd Feb
27th Jan – 4th Feb
27th Jan – 5th Feb
28th Jan – 4th Feb
28th Jan – 5th Feb
28th Jan – 6th Feb
1st-10th Feb
2nd-10th Feb
2nd-11th Feb
3rd-10th Feb
3rd-11th Feb
4th-11th Feb
4th-13th Feb
10th-18th Feb
10th-19th Feb
11th-18th Feb
11th-19th Feb
11th-20th Feb
15th-24th Feb
16th-24th Feb
16th-25th Feb
17th-24th Feb
17th-25th Feb
17th-26th Feb
18th-25th Feb
18th-26th Feb
18th-27th Feb
22nd Feb – 3rd Mar
23rd Feb – 3rd Mar
23rd Feb – 4th Mar
24th Feb – 3rd Mar
24th Feb – 4th Mar
24th Feb – 5th Mar
25th Feb – 4th Mar
25th Feb – 5th Mar
25th Feb – 6th Mar
1st-9th Mar
1st-10th Mar
2nd-10th Mar
2nd-11th Mar
3rd-10th Mar
3rd-11th Mar
3rd-12th Mar
4th-11th Mar
4th-12th Mar
4th-13th Mar
9th-17th Mar
9th-18th Mar
10th-17th Mar
10th-18th Mar
10th-19th Mar
11th-18th Mar
11th-19th Mar
16th-24th Mar
16th-25th Mar
17th-24th Mar
17th-25th Mar
17th-26th Mar
18th-25th Mar
18th-26th Mar
18th-27th Mar
24th-31st Mar

and more…

STOPS:
Dallas/Phoenix
London

AIRLINES:
American Airlines
British Airways