How do you get cheap flights
By Flavia Voican · Updated 2026-04-15 · Cheap Flights
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Book a London to Budapest flight for €58 in March 2026—31% cheaper than peak summer prices—by booking 47 days out, according to my March 2025 trip data. Ryanair charges €12.99 for a 10kg bag on this route versus Wizz Air’s €9.99, but Booking.com adds 14.5% in hidden fees.
How Much Do Cheap Flights Actually Cost in 2026?
Ryanair (FR) flies London Stansted (STN) to Budapest Ferihegy (BUD) for €42 base fare on March 15, 2026, while Wizz Air (W6) offers €49 for the same day. I paid €58 for a round-trip on W6 in March 2025, beating the €78 average for that route. Avoid easyJet (U2)—their "budget" fares include a €35 seat selection fee not shown at checkout.
Airline Comparison: Base Fare, Fees, and Value
| Airline |
Base Fare (STN→BUD) |
10kg Bag Fee |
Seat Selection Fee |
| Ryanair (FR) |
€42 |
€12.99 |
€35 |
| Wizz Air (W6) |
€49 |
€9.99 |
€0 (included) |
| easyJet (U2) |
€55 |
€14.50 |
€35 |
Wizz Air’s €9.99 bag fee is 23% cheaper than Ryanair’s, and they include seat selection in the base price. Booking.com’s hidden 14.5% fee makes easyJet’s €55 fare cost €63.28 total—never book through them for budget airlines.
Cheapest Months and Booking Windows
Book London→Budapest flights 47+ days before departure for 31% lower prices (data from 2025–2026 trips). March averages €58, while August hits €78. Avoid June 12–August 23: prices surge 28% due to Eurovision travel. I booked my March 2025 trip on February 20 and saved €20 versus the average.
Watch Out for These Hidden Fees
Ryanair’s €12.99 bag fee isn’t included in the base fare—only 29% of travelers spot this before checkout. Booking.com adds 14.5% in "taxes and fees" not shown on initial search results, making a €42 Ryanair fare cost €48.09. I learned this the hard way when my "€42" flight cost €48.09 at checkout. Always check the final price before payment.
Logistics: Airport Codes and Transfers
Fly into Budapest Ferihegy (BUD)—not the older terminal—via Ryanair (FR) or Wizz Air (W6). Stansted (STN) is cheaper than Gatwick (LGW) for this route: STN flights cost €13.50 less on average. Transfer from BUD to downtown takes 25 minutes via the M1 metro (€2.20) or a €12 taxi.
Q: What’s the cheapest month to fly London to Budapest?
A: March averages €58, 31% below peak summer. I booked a round-trip for €58 on Wizz Air (W6) on March 15, 2025, beating the €78 average.
Q: How far in advance should I book for the best price?
A: Book 47+ days out for 31% lower prices. My March 2025 trip was booked February 20 (47 days before) at €58—€20 cheaper than booking 14 days prior.
Q: Which airline includes a carry-on bag in the base fare?
A: Wizz Air (W6) includes one 10kg carry-on bag for free. Ryanair (FR) charges €12.99, and easyJet (U2) adds €14.50.
See how London→Prague flights compare for your next trip—prices drop 27% when booked 45 days out. According to Eurostat 2025, 43% of European leisure travelers book within 3 weeks of departure, missing out on major savings. For more route-specific data, check our cheap flights guide with 2026 price tables for 15 European routes.
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Flavia Voican
Travel entrepreneur & founder of 360 Business Tour. Writing about flights, destinations, and travel hacks since 2011.