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Cheap flights from Porto Alegre to London Heathrow Airport from £263

POA — LHR
25 Nov — 2 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Porto Alegre to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Porto Alegre to Heathrow

Sat 14/1121:10 -
1 stop22h 30m
Thu 19/1106:00 -
1 stop16h 20m
Deal found 24/10£725
Thu 5/1101:30 -
1 stop18h 10m
Tue 4/506:00 -
1 stop18h 20m
Deal found 22/10£735
Sat 14/1121:10 -
1 stop17h 20m
Mon 10/519:50 -
2 stops28h 10m
Deal found 22/10£736
Wed 25/1118:00 -
1 stop17h 05m
Fri 21/521:20 -
1 stop16h 40m
Deal found 22/10£738
Tue 10/1121:15 -
1 stop21h 20m
Mon 30/1113:40 -
1 stop33h 00m
Deal found 21/10£744
Tue 10/1121:15 -
1 stop22h 25m
Tue 24/1106:00 -
1 stop16h 40m
Deal found 21/10£753
Wed 18/1111:30 -
2 stops23h 35m
Mon 23/1120:15 -
1 stop24h 00m
Deal found 21/10£755
Thu 3/1201:30 -
1 stop17h 05m
Tue 4/519:50 -
2 stops28h 10m
Deal found 22/10£758
Sat 7/1121:10 -
1 stop15h 20m
Tue 4/518:45 -
2 stops33h 30m
Deal found 22/10£758
Mon 30/1116:10 -
2 stops23h 40m
Mon 3/518:45 -
2 stops19h 15m
Deal found 22/10£759
Thu 12/1101:30 -
1 stop17h 05m
Sun 9/508:00 -
2 stops20h 15m
Deal found 22/10£760

Find flight deals from Porto Alegre to Heathrow

Round-trip from

£725

One-way from

£263

Popular in

January

Cheapest in

November

Average price

£850
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 14/11-19/11
  • 2 total stops
  • 38h 50m total
  • Porto Alegre to London
Search Deals
LATAM Airlines
  • LATAM Airlines
  • 24/11-31/12
  • 1 total stop
  • 17h 05m total
  • Porto Alegre to London
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£131 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£33 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Porto Alegre to London Heathrow Airport that are best for you.

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Route

Depart

Return

Price

Cheapest return flight

Porto AlegreLondon

POA Porto Alegre Salgado Filho - LHR London Heathrow

POALHR

Porto Alegre Salgado Filho

Thu 12/11

11:30-14:05

2 stops23h 35m

London Heathrow

Wed 31/12

00:00-20:00

Nonstop0h 00m

£304

Porto AlegreLondon

POA Porto Alegre Salgado Filho - LHR London Heathrow

POALHR

Porto Alegre Salgado Filho

Sat 21/11

06:25-13:25

2 stops28h 00m

London Heathrow

Wed 31/12

00:00-20:00

Nonstop0h 00m

£312

Porto AlegreLondon

POA Porto Alegre Salgado Filho - LHR London Heathrow

POALHR

Porto Alegre Salgado Filho

Wed 17/2

11:45-14:35

2 stops23h 50m

London Heathrow

Wed 31/12

00:00-20:00

Nonstop0h 00m

£452

Porto AlegreLondon

POA Porto Alegre Salgado Filho - LHR London Heathrow

POALHR

Porto Alegre Salgado Filho

Sun 7/3

11:10-14:35

2 stops24h 25m

London Heathrow

Wed 31/12

00:00-20:00

Nonstop0h 00m

£532

Porto AlegreLondon

POA Porto Alegre Salgado Filho - LHR London Heathrow

POALHR

Porto Alegre Salgado Filho

Thu 4/3

15:45-21:20

2 stops26h 35m

London Heathrow

Wed 31/12

00:00-20:00

Nonstop0h 00m

£554

Porto AlegreLondon

POA Porto Alegre Salgado Filho - LHR London Heathrow

POALHR

Porto Alegre Salgado Filho

Tue 8/12

21:15-21:35

1 stop21h 20m

London Heathrow

Wed 31/12

00:00-20:00

Nonstop0h 00m

£573

Porto AlegreLondon

POA Porto Alegre Salgado Filho - LHR London Heathrow

POALHR

Porto Alegre Salgado Filho

Sun 7/3

19:30-22:40

2 stops24h 10m

London Heathrow

Wed 31/12

00:00-20:00

Nonstop0h 00m

£576

Porto AlegreLondon

POA Porto Alegre Salgado Filho - LHR London Heathrow

POALHR

Porto Alegre Salgado Filho

Mon 8/3

10:45-14:05

1 stop24h 20m

London Heathrow

Wed 31/12

00:00-20:00

Nonstop0h 00m

£629
Fastest return journey

Porto AlegreLondon

POA Porto Alegre Salgado Filho - LHR London Heathrow

POALHR

Porto Alegre Salgado Filho

Thu 24/12

01:30-21:35

1 stop17h 05m

London Heathrow

Wed 31/12

00:00-20:00

Nonstop0h 00m

£631

Porto AlegreLondon

POA Porto Alegre Salgado Filho - LHR London Heathrow

POALHR

Porto Alegre Salgado Filho

Thu 4/3

18:30-14:25

3 stops40h 55m

London Heathrow

Wed 31/12

00:00-20:00

Nonstop0h 00m

£658

Flights are sorted by cheapest return flights first.

Deals found on 23/10

Showing 1-10 of 21 resultsSorted by cheapest first
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Best time to book a flight from Porto Alegre to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Porto Alegre with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Porto Alegre to London Heathrow Airport

What is the cheapest month to book a flight from Porto Alegre to London Heathrow Airport?

Currently, November is the cheapest month in which you can book a flight from Porto Alegre to London Heathrow Airport (average of £717). Flying from Porto Alegre to London Heathrow Airport in January is currently the most expensive (average of £1,456). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from Porto Alegre to London Heathrow Airport?

Airfare is typical for this route at the moment.

Porto Alegre to London Heathrow Airport flights typically cost between £634 and £1,000 in November.
The cheapest return price found within the last 5 days was £725 on TAP AIR PORTUGAL (14 Nov–19 Nov).

Related info for your journey

  • What airport do you fly from for flights from Porto Alegre to London Heathrow?

    Located just 4.0 mi from the city center, Porto Alegre Salgado Filho is the airport most travelers will use when flying to London Heathrow from Porto Alegre. Booking flights from Salgado Filho (POA) to London Heathrow should be relatively easy as there are 0 daily outbound flights to London Heathrow from 0 different airlines.

  • How long is the flight from Porto Alegre to London Heathrow Airport?

    LATAM Airlines and GOL can get you from Porto Alegre to London Heathrow Airport in just under 23h. Your travel time can differ by up to 35h 10m. Airlines will cover a distance of 6410 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • Can I find deals for flights from Porto Alegre to Heathrow that include hotel bookings?

    Yes. In addition to deals on Porto Alegre to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Porto Alegre to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Porto Alegre to Heathrow.

  • Can I find deals for business class flights from Porto Alegre to Heathrow?

    Yes. Cheapflights offers flight deals from Porto Alegre to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Porto Alegre to London Heathrow Airport?

    Currently, November is the cheapest month in which you can book a flight from Porto Alegre to London Heathrow Airport (average of £717). Flying from Porto Alegre to London Heathrow Airport in January is currently the most expensive (average of £1,456). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Barnet
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Alternative routes for Porto Alegre to Heathrow

Porto Alegre to Gatwick flights

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Cheapflights makes it easy to find Porto Alegre to Heathrow flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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Certainly. Search results for flights to Heathrow from Porto Alegre shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Porto Alegre to Heathrow become cheaper?

Yes, Cheapflights offers price alerts on Porto Alegre to Heathrow flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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