EXPIRED

St. Louis to Ontario, California (& vice versa) for only $185 roundtrip (Mar-Jun dates)

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Cheap flights from St. Louis to Ontario, California for only $185 roundtrip with United Airlines.

Also works in reverse.

DEPART:
St. Louis, USA

ARRIVE:
Ontario, USA

RETURN:
St. Louis, USA

DATES:
Availability from March to June 2021

Example dates:

St. Louis – Ontario
18th-23rd Mar
24th-29th Mar
1st-6th Apr
7th-12th Apr
15th-20th Apr
17th-22nd Apr
19th-24th Apr
21st-26th Apr
29th Apr – 4th May
1st-6th May
5th-10th May
13th-18th May
15th-20th May
17th-22nd May
19th-24th May
29th May – 3rd Jun

Ontario – St. Louis
18th-23rd Mar
24th-29th Mar
1st-6th Apr
3rd-8th Apr
7th-12th Apr
15th-20th Apr
17th-22nd Apr
19th-24th Apr
21st-26th Apr
29th Apr – 4th May
1st-6th May
3rd-8th May
5th-10th May
13th-18th May
15th-20th May
17th-22nd May
19th-24th May
27th May – 1st Jun

and more…

STOPS:
Houston

AIRLINES:
United Airlines