Cheap International Flights from St. Louis in December
Fares shown are modelled estimates, not live quotes.
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December Travel Tip
Book early for holiday travel or fly in early December before prices spike.
Best Destinations from St. Louis in December
STL → MTY
Monterrey
Mexico
Est. $89
round trip
~3h flight time
STL → NAS
Nassau
Bahamas
Est. $102
round trip
~3h flight time
STL → CUN
Cancun
Mexico
Est. $105
round trip
~3h flight time
STL → MEX
Mexico City
Mexico
Est. $120
round trip
~4h flight time
STL → GCM
Grand Cayman
Cayman Islands
Est. $122
round trip
~4h flight time
STL → GDL
Guadalajara
Mexico
Est. $124
round trip
~4h flight time
STL → PVR
Puerto Vallarta
Mexico
Est. $129
round trip
~4h flight time
STL → SJD
Los Cabos
Mexico
Est. $132
round trip
~4h flight time
STL → MBJ
Montego Bay
Jamaica
Est. $134
round trip
~4h flight time
Best Regions from St. Louis in December
Related Reading
Frequently Asked Questions
What are the cheapest destinations from St. Louis in December?
In December, some of the most affordable destinations from St. Louis include Monterrey (est. $89 RT), Nassau (est. $102 RT), Cancun (est. $105 RT). Prices vary by booking window.
Is December cheap to fly from St. Louis?
Book early for holiday travel or fly in early December before prices spike.
How far ahead should I book flights from St. Louis in December?
For December departures from St. Louis, booking 6–10 weeks in advance typically yields the best fares. For peak months like July and December, book 3–4 months early. Fare reviews and notifications are paused during the provider migration.
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