£361 Cheap flights to Porto Alegre
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Porto Alegre departing on 23/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customise your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from the United Kingdom to Porto Alegre
Cheap return flights
Cheap one-way flights
Cheap last-minute flights
See travel insights to Porto Alegre from
Porto Alegre flights insights and trends
Explore insights for your Porto Alegre flight to craft the best travel plan
What is the cheapest month to fly to Porto Alegre?
In general, March is the cheapest month to fly from United Kingdom to Porto Alegre. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £750. If you aren’t able to travel during the month of March, then book flights to Porto Alegre from United Kingdom during May instead. Flights to Porto Alegre in May, while not as cheap as those in March, still average around £764.
What is the cheapest day to depart on your flight to Porto Alegre?
On average, the least expensive day to fly to Porto Alegre from United Kingdom is on a Thursday. momondo users have found tickets for Thursday departures for as low as £815. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Friday is the most expensive day to depart from United Kingdom because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £986.
What is the cheapest time of day to depart on your flight to Porto Alegre?
Our most recent data shows that the best time of day to fly to Porto Alegre is in the morning. Flights from United Kingdom to Porto Alegre during this time can be as low as £858. Flights to Porto Alegre are more costly in the evening, with an average ticket price of £922. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.
How far in advance should I book a flight to Porto Alegre?
You are more likely to see cheaper flights to Porto Alegre from United Kingdom when booking 17 weeks ahead of your departure date. In general, you can expect to find flights to Porto Alegre for around £1,019 when searching 17 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Porto Alegre from United Kingdom for as low as £785 on momondo.
Cheapest flights to Porto Alegre Salgado Filho
Find the cheapest flights to Porto Alegre Salgado Filho from your nearest city or airport
| CHEAPEST MONTH TO FLY TO PORTO ALEGRE FROM LONDON HEATHROW AIRPORT | March | 22% cheaper | Flying from London Heathrow Airport to Porto Alegre costs on average just £799 in March |
| MOST EXPENSIVE MONTH TO FLY TO PORTO ALEGRE FROM LONDON HEATHROW AIRPORT | August | 32% more expensive | It costs about £1,346 for flights to Porto Alegre from London Heathrow Airport in August |
| MOST POPULAR MONTH TO FLY TO PORTO ALEGRE FROM LONDON HEATHROW AIRPORT | December | 600% more users visited | More momondo users searched in flights to Porto Alegre from London Heathrow Airport in December than any other month |
Cheap Porto Alegre flight deals and tips
Summary info about Porto Alegre flight prices, duration and airlines
Best One-Way Price | £361 |
|---|---|
Best Round-Trip Price | £657 |
Fastest flight time | 15h 35m |
Frequently asked questions about flying to Porto Alegre
How far in advance should I book a flight to Porto Alegre?
In general, most travellers find the cheapest time to book a flight to Porto Alegre is about 80 days prior to their departure date, when tickets on average are £937. Keep in mind that you might also find cheap flights to Porto Alegre outside of this time window. In fact, momondo users recently found flights from United Kingdom to Porto Alegre for £495.
Is there an alternative airport near Porto Alegre?
Finding an alternative and possibly cheaper destination airport near Porto Alegre is possible. If you are planning a flight to Porto Alegre, consider booking flights to Canoas Campo Nossa Senhora de Fatima Airport (8 mi from Porto Alegre city centre), Canela Airport (51 mi from Porto Alegre city centre) or Caxias do Sul Campo dos Bugres Airport (58 mi from Porto Alegre city centre).
Is there a cheaper alternative to flying into Porto Alegre?
Prices vary based on where travellers are departing from, but on average, the cheapest airport to fly to in Porto Alegre is Caxias do Sul Campo dos Bugres Airport where the average price is £155. Users typically find the best prices when using momondo’s Airport-to-Airport Pricing Tool.
When did momondo last update prices for flights to Porto Alegre Salgado Filho Airport?
Prices for flights to Porto Alegre Salgado Filho Airport are updated daily.
How many operators does momondo search for flights to Porto Alegre Salgado Filho Airport?
The number of operators available for flights to Porto Alegre Salgado Filho Airport is 6 as of June 2025.
How old do you have to be to fly to Porto Alegre Salgado Filho Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel to Porto Alegre Salgado Filho Airport.
What documentation or ID do you need to fly to Porto Alegre Salgado Filho Airport?
The travel and health documents required for your trip to Porto Alegre Salgado Filho Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Porto Alegre Salgado Filho Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
Why use momondo?
Why should I use momondo to find a flight deal to Porto Alegre?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight to Porto Alegre. momondo saves you time and could save you money on your trip.
Can I find flights to Porto Alegre with flexible booking policies on momondo?
Flights to Porto Alegre with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights to Porto Alegre?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as filter your options to help you make an informed choice when booking flights to Porto Alegre.
I’m not ready to book a flight to Porto Alegre right now. Can momondo alert me if prices change?
Price alerts on flights to Porto Alegre are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.