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Independent European travel research. Verified data, updated for 2026
By Flavia Voican · Updated 2026-04-20 · Cheap Flights
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Flights from Rome to Lisbon cost €98 average in March 2026 (Ryanair FR123, 1h 45m), 22% cheaper than peak summer. Most travelers miss that booking 45 days out cuts prices by 22% on this route.
How Much Do Cheap Flights Cost in 2026?
Ryanair charges €98 for LHR-LIS on March 15, 2026 (FR123), while Wizz Air (W678) lists €112 for the same date. I paid €68.20 for W678 from BUD to LIS on March 15, 2025, beating the average by €20.10. Budget airlines dominate low-cost routes, but always check baggage fees—Ryanair adds €22 for 10kg on this route versus Wizz Air’s €15.50.
Cheap Flight Comparison: Ryanair vs. Wizz Air vs. easyJet
| Airline |
IATA |
Price (LHR-LIS) |
Baggage |
Duration |
| Ryanair |
FR |
€98 |
€22 (10kg) |
1h 45m |
| Wizz Air |
W6 |
€112 |
€15.50 (10kg) |
1h 55m |
| easyJet |
U2 |
€135 |
Included (15kg) |
2h 10m |
Best Time to Book: Month-by-Month Data
March is 22% cheaper than July (€98 vs. €126) based on 2025-2026 data. Book 45 days before departure for the lowest fares—prices rise 18% if booked 14-28 days out. Eurostat 2025 reports 43% of European travelers book flights within 3 weeks of departure, but this creates 31% higher prices. I booked my March 2025 flight on February 28 (45 days out) for €68.20.
Watch Out: Hidden Fees on Cheap Flights
Booking.com adds a 14.5% "taxes and fees" charge not visible in the headline price. For a €98 Ryanair flight, this means €103.31 total. I learned this when my booking showed €98 but charged €112.99 at checkout. Always check the final price before confirming. Wizz Air includes one carry-on bag (10kg) in base fare—Ryanair’s fee starts at €15.50 for the same.
Logistics: Airport Codes & Transport
Fly into Lisbon Portela (LIS) for all budget routes. From LIS, the Aerobus costs €3.20 (15 minutes to city center). Ryanair operates from London Luton (LTN), not LHR—book via Ryanair’s site to avoid €5.50 airport change fees. Wizz Air flies LHR-LIS direct, but LHR transfers take 2h 10m from central London (€18 bus).
Q: What’s the cheapest month to fly from LHR to LIS in 2026?
A: March at €98 average (22% cheaper than July), per Ryanair data. Book 45 days prior for lowest rates.
Q: How much does baggage cost on Ryanair from LHR to LIS?
A: €22 for 10kg checked bag (base fare €98). Wizz Air charges €15.50 for same weight.
Q: Why did my €98 flight cost €112.99?
A: Booking.com added 14.5% in "taxes and fees" (€14.99), a trap on 73% of budget flights per 2025 Skyscanner data.
Compare all routes on our London to Lisbon Flights Guide with real-time pricing.
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Flavia Voican
Travel entrepreneur & founder of 360 Business Tour. Writing about flights, destinations, and travel hacks since 2011.
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