Popular in | June |
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Cheapest in | February |
Average price | $1,493 |
Round-trip from | $523 |
Users have found that leaving on a Sunday can be a cost-effective option. It’s possible to save up to 51% on your flight compared to booking on days when demand is much higher.
Flights from St. Louis to Porto lean towards being more expensive in June. Prices are generally better when you fly from St. Louis to Porto in February, with the cheapest ticket starting at $615.
Unlike in the afternoon, when flights are generally more expensive, you can save up to 25% on flights from St. Louis to Porto by exploring options for tickets at noon.
Fly from
Fly to
Budget
$910 - $1,008
Route
Depart
Return
Price
Lambert-St LouisPorto
STL - OPO
STLOPO
Lambert-St Louis
sáb. 9/7
2 stops19h 31m
Porto
jue. 9/19
2 stops19h 54m
Lambert-St LouisPorto
STL - OPO
STLOPO
Lambert-St Louis
sáb. 9/7
2 stops35h 05m
Porto
jue. 9/19
2 stops17h 46m
Lambert-St LouisPorto
STL - OPO
STLOPO
Lambert-St Louis
sáb. 9/7
2 stops28h 51m
Porto
sáb. 9/21
3 stops34h 55m
Lambert-St LouisPorto
STL - OPO
STLOPO
Lambert-St Louis
sáb. 9/7
1 stop10h 13m
Porto
mié. 9/18
2 stops27h 32m
Lambert-St LouisPorto
STL - OPO
STLOPO
Lambert-St Louis
mar. 9/10
2 stops13h 57m
Porto
sáb. 9/21
2 stops30h 45m
Lambert-St LouisPorto
STL - OPO
STLOPO
Lambert-St Louis
sáb. 9/7
2 stops20h 25m
Porto
vie. 9/20
2 stops17h 20m
Lambert-St LouisPorto
STL - OPO
STLOPO
Lambert-St Louis
jue. 10/3
2 stops37h 25m
Porto
mié. 10/9
2 stops37h 50m
Lambert-St LouisPorto
STL - OPO
STLOPO
Lambert-St Louis
mar. 8/20
2 stops17h 51m
Porto
dom. 9/1
2 stops20h 14m
Lambert-St LouisPorto
STL - OPO
STLOPO
Lambert-St Louis
mié. 9/4
2 stops18h 30m
Porto
vie. 9/20
2 stops20h 20m
OPO Temperature | 48.2 - 68 °F |
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Boarding
Entertainment
Food
Crew
Comfort
Overall
Reviews
Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Boarding
Entertainment
Food
Crew
Comfort
Overall
Reviews
Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Boarding
Entertainment
Food
Crew
Comfort
Overall
Reviews
Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Boarding
Entertainment
Food
Crew
Comfort
Overall
Reviews
Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Boarding
Entertainment
Food
Crew
Comfort
Overall
Reviews
Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Boarding
Entertainment
Food
Crew
Comfort
Overall
Reviews
Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
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