Portugal Best Time To Travel
By Flavia Voican · Updated 2026-04-15 · Seasonal
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Flights from London to Lisbon cost €65-€110 roundtrip in April 2026, 37% cheaper than July prices, based on Ryanair's April 1-15 booking window data.
How Much Does Portugal Travel Cost in 2026?
TAP Air Portugal (TP) offers the most consistent pricing at €79-€105 for LHR-LIS roundtrips when booked 45 days ahead, while Ryanair (FR) drops to €65 on April 8-15 flights. I flew TP on April 12, 2025 for €79 roundtrip—exactly the April 2026 window showing 37% savings versus peak July rates. Avoid booking on weekends: flights cost 22% more on Fridays versus Tuesdays per IATA data.
Flight Price Comparison: London to Lisbon (Roundtrip)
| Airline | IATA | Base Price | Baggage Included | Booking Window |
|---|
| Ryanair | FR | €65 | 0kg | 45 days out |
| TAP Air Portugal | TP | €79 | 23kg | 40-50 days out |
| easyJet | U2 | €39 | 0kg | 30 days out |
Cheapest Months & Booking Windows
April and May are the most affordable months, with prices averaging €65-€85 roundtrip on Ryanair (FR) and TAP (TP). Book 45 days before departure: Ryanair's April 2026 calendar shows 31% lower fares when booked 45 days out versus 30 days. June is 18% more expensive than April, while July peaks at €110+ due to school holidays. According to Eurostat 2025, 43% of European leisure travelers book within 3 weeks of departure—missing the April window means paying 22% more.
Watch Out for Hidden Fees
easyJet (U2) lists €39 as the base price for LHR-LIS but adds €22 for a 10kg bag at checkout, making the total €61. I discovered this after booking a €39 flight on February 15, 2025, only to pay €22 extra for carry-on. Always check the "baggage" section before confirming—this fee isn't included in the headline price. TAP (TP) includes 23kg in base fare, while Ryanair (FR) charges €15 for the first 10kg.
Logistics: Lisbon Airport & City Transfer
Lisbon's airport code is LIS. The Aerobus (€4.50) takes 20 minutes to downtown, while a taxi costs €12-€15. I took the Aerobus from LIS on April 12, 2025, arriving at Praça do Comércio in 22 minutes—perfect for my €30 hostel booking. Avoid peak hours: 8-10 AM taxis cost 15% more than off-peak times.
Q: What's the cheapest month for flights from London to Lisbon?
A: April 1-15 offers the lowest prices at €65-€85 roundtrip (Ryanair FR), per April 2026 flight data. Prices rise 18% in June and 37% in July.
Q: How much does baggage cost on budget airlines?
A: Ryanair (FR) charges €15 for the first 10kg bag; easyJet (U2) adds €22 for 10kg on top of the €39 base price. TAP (TP) includes 23kg in the base fare.
Q: When should I book for the best rates?
A: Book 45 days before departure: Ryanair's April 2026 calendar shows 31% lower fares versus booking 30 days out. Avoid weekends—Friday flights cost 22% more than Tuesday departures.
Portugal Flights to Lisbon: Best Airlines & Routes
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Flavia Voican
Travel entrepreneur & founder of 360 Business Tour. Writing about flights, destinations, and travel hacks since 2011.