Round-trip from | $658 (Iberia) |
---|---|
One-way from | $643 (United Airlines) |
Popular in | June |
Cheapest in | November |
Average price | $1,398 |
Fly from
Fly to
Route
Depart
Return
Price
St. LouisPorto
STL - OPO
STLOPO
Lambert-St Louis
Tue 10/28
11:46 am-7:40 am
2 stops14h 54m
Porto
Sat 11/8
12:25 pm-8:43 am
2 stops26h 18m
St. LouisPorto
STL - OPO
STLOPO
Lambert-St Louis
Tue 10/28
10:22 am-7:40 am
2 stops16h 18m
Porto
Sat 11/8
8:40 pm-8:52 am
2 stops18h 12m
St. LouisPorto
STL - OPO
STLOPO
Lambert-St Louis
Tue 10/28
11:49 am-11:40 am
2 stops18h 51m
Porto
Sat 11/8
12:40 pm-1:55 pm
1 stop31h 15m
St. LouisPorto
STL - OPO
STLOPO
Lambert-St Louis
Thu 8/14
6:00 pm-6:15 pm
2 stops18h 15m
Porto
Thu 8/21
6:30 am-11:23 pm
2 stops22h 53m
St. LouisPorto
STL - OPO
STLOPO
Lambert-St Louis
Fri 8/15
5:30 pm-3:35 pm
2 stops16h 05m
Porto
Fri 8/22
6:40 am-11:14 pm
2 stops22h 34m
St. LouisPorto
STL - OPO
STLOPO
Lambert-St Louis
Thu 8/14
9:15 am-4:15 pm
3 stops25h 00m
Porto
Thu 8/21
7:15 am-8:00 pm
2 stops18h 45m
St. LouisPorto
STL - OPO
STLOPO
Lambert-St Louis
Thu 8/14
1:30 pm-3:45 pm
2 stops20h 15m
Porto
Thu 8/21
12:10 pm-8:00 pm
1 stop13h 50m
St. LouisPorto
STL - OPO
STLOPO
Lambert-St Louis
Tue 9/30
5:24 pm-9:45 am
1 stop10h 21m
Porto
Wed 10/15
6:00 am-9:47 pm
2 stops21h 47m
St. LouisPorto
STL - OPO
STLOPO
Lambert-St Louis
Fri 10/10
5:24 pm-9:45 am
1 stop10h 21m
St. LouisPorto
STL - OPO
STLOPO
Lambert-St Louis
Thu 9/25
9:46 am-7:35 am
2 stops15h 49m
Currently, January is the cheapest month in which you can book a flight from St. Louis to Porto (average of $523). Flying from St. Louis to Porto in June is currently the most expensive (average of $1,033). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Unlike in the afternoon, when flights are generally more expensive, you can save up to 36% on flights from St. Louis to Porto by exploring options for tickets at noon.
Entertainment
Food
Boarding
Overall
Crew
Comfort
Reviews
Kim,May 2025
PIH - SLC
Entertainment
Food
Boarding
Overall
Crew
Comfort
Reviews
Kim,May 2025
PIH - SLC
Entertainment
Food
Boarding
Overall
Crew
Comfort
Reviews
Kim,May 2025
PIH - SLC
Entertainment
Food
Boarding
Overall
Crew
Comfort
Reviews
Kim,May 2025
PIH - SLC
Entertainment
Food
Boarding
Overall
Crew
Comfort
Reviews
Kim,May 2025
PIH - SLC
Entertainment
Food
Boarding
Overall
Crew
Comfort
Reviews
Kim,May 2025
PIH - SLC
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$612 | Average$1,250 | FlexibilityNo cancel fee | On-time76% | |
Cheapest$713 | Average$963 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$751 | Average$1,177 | FlexibilityNo cancel fee | On-time69% |