Popular in | June |
---|---|
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
$634 - $1,342
Route
Depart
Return
Price
Lambert-St LouisPorto
STL - OPO
STLOPO
Lambert-St Louis
Fri 11/1
1 stop13h 55m
Porto
Tue 11/19
1 stop31h 25m
Lambert-St LouisPorto
STL - OPO
STLOPO
Lambert-St Louis
Fri 11/1
1 stop17h 40m
Porto
Tue 11/19
2 stops33h 13m
Lambert-St LouisPorto
STL - OPO
STLOPO
Lambert-St Louis
Fri 11/1
2 stops18h 15m
Porto
Tue 11/19
2 stops30h 10m
Lambert-St LouisPorto
STL - OPO
STLOPO
Lambert-St Louis
Tue 9/10
2 stops37h 25m
Porto
Fri 9/20
2 stops37h 50m
Lambert-St LouisPorto
STL - OPO
STLOPO
Lambert-St Louis
Tue 8/20
2 stops17h 51m
Porto
Sun 9/1
2 stops20h 14m
Lambert-St LouisPorto
STL - OPO
STLOPO
Lambert-St Louis
Mon 9/9
2 stops37h 25m
Porto
Mon 9/16
2 stops30h 45m
Lambert-St LouisPorto
STL - OPO
STLOPO
Lambert-St Louis
Mon 9/9
3 stops31h 13m
Porto
Mon 9/16
2 stops26h 32m
Lambert-St LouisPorto
STL - OPO
STLOPO
Lambert-St Louis
Wed 7/17
2 stops22h 02m
Porto
Wed 7/24
2 stops23h 07m
Lambert-St LouisPorto
STL - OPO
STLOPO
Lambert-St Louis
Fri 7/19
2 stops17h 41m
Porto
Sat 8/3
2 stops16h 48m
OPO Temperature | 48.2 - 68 °F |
---|
Food
Overall
Boarding
Crew
Entertainment
Comfort
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.
Food
Overall
Boarding
Crew
Entertainment
Comfort
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.
Food
Overall
Boarding
Crew
Entertainment
Comfort
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.
Food
Overall
Boarding
Crew
Entertainment
Comfort
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.
Food
Overall
Boarding
Crew
Entertainment
Comfort
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.
Food
Overall
Boarding
Crew
Entertainment
Comfort
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.
Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from St. Louis to Porto. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.
By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Porto from St. Louis.
Need flexible booking options for your flight to Porto from St. Louis? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Porto from St. Louis today and book when prices fit your budget.