Cheap flights from Cardiff to Porto Alegre
Cheap return flights from Cardiff to Porto Alegre
Find the best deals
All prices shown are per person based on return flights only. Prices found in the last 48 hours.
Porto Alegre flight facts
What you need to know
What are the cheapest airlines?
- Ryanair
- TAP Air Portugal
- KLM
These airlines usually offer the cheapest flights from Cardiff to Porto Alegre.
What airlines fly indirectly?
- Air France
- Lufthansa
- British Airways
These airlines fly from Cardiff to Porto Alegre, but you’ll have at least one layover.
How long is the flight?
18 hours
This is the shortest flight time from Cardiff to Porto Alegre.
Alternative flights from the UK to Porto Alegre
Check out prices for other routes
Alternative flights from Cardiff
You might find cheaper flights nearby
Today alone, Netflights has searched over five flights. 05 / Feb / 2026 is currently the lowest priced day of the year to fly the Cardiff/Porto Alegre route. There are around 35 flights on any given week from the UK to Porto Alegre and the cheapest month to fly right now is February. Not suitable? Try running another search or viewing all cheap flight deals.
How to get cheap flights from Cardiff to Porto Alegre
Tips and advice from our flight experts
You've searched for flights from Cardiff to Porto Alegre. We've found 25 flights and compared them to give you the best offers. Ryanair is, on average, the cheapest for this route, so keep an eye on them. The cheapest offer we've found is a one-way ticket for the route Cardiff to Porto Alegre on 21/04/2026 at 16:45 for £63.
We've scanned hundreds of airfares from dozens of airlines across the globe. In total, we've found 15 airlines that operate the 10,000 km flight from Cardiff to Porto Alegre.
To find the best offers, consider booking 2-3 months in advance or looking for last-minute deals. Ryanair is a popular and affordable choice for this route, with an average flight duration of 18 hours. After selecting an offer, fill out your information and proceed to payment. Don't forget to check our flight + hotel service to book everything at once, saving you time and money.
Other popular destinations near Porto Alegre
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