Cheap flights from St. Louis to Porto from £275
Trusted by millions
Kiwi.com Guarantee for stress-free travel
One search, all the best deals
Explore flight deals to Porto
Not happy with the results? Try some of our useful filters
Search by stops
- Nonstop
- Up to 1 stop
- Up to 2 stops
Search by carrier
Search by price
Search by departure date
Not happy with the results? Try some of our useful filters
Search by stops
- Nonstop
- Up to 1 stop
- Up to 2 stops
Search by carrier
Search by price
Search by departure date
How much do flights to Porto cost?
Cheapest one-way trip | £275 |
|---|---|
Cheapest round-trip | £849 |
Average round-trip | £1,054 |
Includes rare itinerary | |
Most popular airline | Frontier Airlines |
Getting from Porto airport to the city center
Fastest option: Metro, while budget travelers often choose the city bus
Transport Option | Typical Time | Typical Cost | Frequency | Best For |
|---|---|---|---|---|
25-30 min | €2 – €4; Z4 ticket required from airport; Andante card €0.60 extra | every 20–30 min (traffic dependent) | budget travelers to center | |
35-50 min | €2 – €3; Andante card required | every 30 min (traffic dependent) | low cost option | |
30-45 min | €5 – €8; direct to city center hotels | every 30–60 min (traffic dependent) | hotel drop-off convenience | |
20-35 min | €20 – €30; metered; night and weekend surcharges apply | on-demand 24/7 (traffic dependent) | door-to-door with luggage | |
20-35 min | €12 – €25; surge pricing may apply | on-demand 24/7 (traffic dependent) | app-based convenience | |
20-35 min | €25 – €50; pre-booked; fixed price | pre-booked (traffic dependent) | groups and families | |
20-35 min | €25 – €60; per day; parking extra in city center | on-demand (traffic dependent) | exploring beyond Porto |
Notes:
- Prices in EUR; table created in 2025 and subject to change.
- Metro requires an Andante rechargeable card (€0.60) plus Z4 zone ticket for airport journeys.
- Taxis use meters; expect surcharges for luggage, nights (21:00–06:00), weekends, and holidays.
- Ride-hailing pickup is at designated areas outside arrivals.
- We recommend checking official transport websites for your travel planning.
Updated: December 2025
Key info about flying to Porto
Check-in for a flight from St. Louis to Porto
| Name | Carrier code | IATA Code | Passport needed during booking |
|---|---|---|---|
| Frontier Airlines | FFT | F9 | No |
| Ryanair | RYR | FR | No |
| Air France | AFR | AF | No |
| Air Canada | ACA | AC | Yes |
| TAP Portugal | TAP | TP | No |
Online check-in is not available for these airlines.
Weather in Porto
Average Weather
| Month | Average monthly max temperature | Average monthly min temperature |
| January | 13°C | 7°C |
| February | 14°C | 8°C |
| March | 16°C | 9°C |
| April | 18°C | 10°C |
| May | 20°C | 12°C |
| June | 22°C | 15°C |
| July | 25°C | 16°C |
| August | 25°C | 17°C |
| September | 24°C | 16°C |
| October | 21°C | 14°C |
| November | 16°C | 11°C |
| December | 14°C | 9°C |
14 day forecast
Frequently asked questions
Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any origin and destination in the world by plane. Find the cheapest routes and best deals, as well as the best dates to travel.
Explore alternative trips
Flights from St. Louis
Flights to Porto
Popular routes
Airports near St. Louis
Airports near Porto
Download our app