Earn point on your loyalty program!arrow arc left

Cheap flights from St Louis (STL) to Riga (RIX)

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

How to find the cheapest flight from St Louis (STL) to Riga (RIX)

How to find the cheapest flight from St Louis (STL) to Riga (RIX)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from St Louis (STL) to Riga (RIX)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from St Louis (STL) to Riga (RIX)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.

Cheap flights from St Louis to Riga in November , December 2025

28 Nov - 09 Dec $ 1,124.00
STL
St Louis
Frontier Airlines
3 STOPS
RIX
Riga
RIX
Riga
Frontier Airlines
3 STOPS
STL
St Louis
Pick dates
28 Nov - 12 Dec $ 1,175.00
STL
St Louis
Frontier Airlines
3 STOPS
RIX
Riga
RIX
Riga
Frontier Airlines
2 STOPS
STL
St Louis
Pick dates
28 Nov - 13 Dec $ 1,179.00
STL
St Louis
Frontier Airlines
3 STOPS
RIX
Riga
RIX
Riga
Frontier Airlines
2 STOPS
STL
St Louis
Pick dates

Last minute flights from St Louis to Riga

28 Nov - 01 Dec $ 1,484.00
STL
St Louis
Frontier Airlines
3 STOPS
RIX
Riga
RIX
Riga
Frontier Airlines
3 STOPS
STL
St Louis
Pick dates
25 Nov - 01 Dec $ 1,687.00
STL
St Louis
Frontier Airlines
3 STOPS
RIX
Riga
RIX
Riga
Frontier Airlines
3 STOPS
STL
St Louis
Pick dates
26 Nov - 01 Dec $ 1,723.00
STL
St Louis
Frontier Airlines
2 STOPS
RIX
Riga
RIX
Riga
Frontier Airlines
3 STOPS
STL
St Louis
Pick dates

One-way flights to Riga from St Louis

6:43 PM - 6:25 PM
airBaltic
3 Stops
19h 27m
STL - RIX
$ 544
Kiwi
Pick dates
6:43 PM - 8:00 AM
airBaltic
3 Stops
31h 22m
STL - RIX
$ 595
Kiwi
Pick dates
3:14 PM - 2:05 PM
KLM Royal Dutch Airlines
2 Stops
18h 1m
STL - RIX
$ 776
Kiwi
Pick dates

How to find the cheapest flight from St Louis (STL) to Riga (RIX)

Related info for your journey
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from St Louis (STL) to Riga (RIX)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from St Louis (STL) to Riga (RIX)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.