Cheap flights from London Heathrow to Portugal
Return fares from £109 in the next 12 months, with direct flights. Pick a day in the calendar to see the fare.
Search by your dates- Cheapest return
- £109
- Typical return
- £176
- Cheapest one way
- –
- Cheapest month
- November
Price calendar
Cheapest return fare by departure day, 2–14 nights, direct or with one stop. Green days are the cheapest of the month.
| Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | |||
| 5 | 6 | 7 | 8 | 9 | 10 | 11 |
| 12 | 13 | 14 | 15 | 16 | 17 | 18 |
| 19 | 20£184 return, back 24 Oct | 21£193 return, back 24 Oct | 22 | 23 | 24 | 25 |
| 26 | 27 | 28 | 29 | 30 | 31 |
Cheapest dates
Sat 7 Nov – Wed 11 Nov · 4 nights
TAP Air Portugal · direct£109Check price ↗Wed 3 Feb – Wed 10 Feb · 7 nights
TAP Air Portugal · direct£111Check price ↗Sat 12 Dec – Sat 26 Dec · 14 nights
TAP Air Portugal · 1 stop£121Check price ↗Wed 27 Jan – Sun 31 Jan · 4 nights
TAP Air Portugal · direct£128Check price ↗Mon 1 Mar – Sun 7 Mar · 6 nights
TAP Air Portugal · direct£128Check price ↗Wed 11 Nov – Tue 17 Nov · 6 nights
TAP Air Portugal · direct£132Check price ↗Thu 12 Nov – Tue 24 Nov · 12 nights
British Airways · direct£133Check price ↗Tue 10 Nov – Sat 14 Nov · 4 nights
TAP Air Portugal · 1 stop£142Check price ↗
London Heathrow to Portugal: questions
- How much is a flight from London Heathrow to Portugal?
- In the fares we found for the next 12 months, return flights start at £109 and the median is £176 (29 fares, 2–14 nights, 1 adult).
- What is the cheapest month to fly from London Heathrow to Portugal?
- November 2026, from £109 return, of the months we have fares for.
- Are there direct flights from London Heathrow to Portugal?
- Yes: 9 direct fares in our data, flying about 2 h 50 min out.
- Which airlines fly from London Heathrow to Portugal?
- In our fares: TAP Air Portugal, Iberia, Vueling, British Airways, KLM, Eurowings.
Portugal from other UK airports
More flights from London Heathrow
Prices are return fares for one adult, found by Aviasales users in the last few days and cached; they can change at any time, and the final price and availability are on Aviasales. Checked bags are extra unless the airline includes them. We may earn a commission when you book through our links; it does not change your price.