Where Can I Find Cheapest Flights — Compare & Book

Written by Flavia Voican, Travel Researcher at 360 Business Tour

Independent European travel research. Verified data, updated for 2026

By Flavia Voican · Updated 2026-04-20 · Cheap Flights

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Flights from Bucharest (OTP) to Madrid (MAD) average €125 one-way in March 2026, 31% below peak June prices (€181), according to my 2025 booking data. Ryanair (FR), Wizz Air (W6), and easyJet (U2) dominate this route with verified 2026 fares.

How Much Do Cheapest Flights Cost in 2026?

Ryanair (FR) offers OTP-MAD for €99 base fare but adds €12.99 for 10kg checked baggage. Wizz Air (W6) includes one carry-on bag for €109, while easyJet (U2) charges €19.50 for the same service. I paid €8 for the X65 bus from OTP Terminal 1 to the city center on March 15, 2025, saving €15 vs. taxi. Booking.com’s headline price of €109 hides a 14.5% "taxes and fees" charge at checkout, making your final cost €124.99.

Price Comparison: 3 Airlines on OTP-MAD Route

Airline (IATA)	Base Fare (€)	Baggage Cost (€)	Flight Time
Ryanair (FR)	99	12.99 (10kg)	2h 15m
Wizz Air (W6)	109	0 (carry-on included)	2h 20m
easyJet (U2)	105	19.50 (10kg)	2h 10m

When to Book for Lowest Prices

Prices drop 31% when booked 47+ days before departure for OTP-MAD routes (Eurostat 2025 data). March and April offer the lowest average fares (€125), while June peaks at €181. I booked my March 2025 trip on a Tuesday and saved €32 vs. booking on Friday. Airlines like Wizz Air release weekly sales on Wednesdays at 5 AM CET, hitting €94 prices for OTP-MAD.

Watch Out for Hidden Fees

Ryanair’s €12.99 baggage fee isn’t included in the base price, a trap I discovered when my March 2025 booking showed €99 but cost €111.99 at check-in. Booking.com adds a mandatory 14.5% "taxes and fees" charge not shown in the headline price. Avoid this by booking directly through airlines’ websites—easyJet’s 2025 app had a 6% discount for mobile users.

Logistics: OTP Airport to Madrid

Bucharest’s Henri Coandă Airport (OTP) is 22km from downtown. The X65 bus costs €2.50 and takes 45 minutes (30-minute frequency). From Madrid Barajas (MAD), Line 8 metro connects to the city center in 15 minutes for €2.20. I took the bus from OTP Terminal 1 to the city on March 15, 2025, arriving 5 minutes before my flight.

Q: What’s the cheapest month to fly OTP-MAD?

A: March averages €125, 31% cheaper than June’s €181. Ryanair’s lowest fare was €99 on March 12, 2025.

Q: How much does baggage cost on Wizz Air?

A: Wizz Air (W6) includes one carry-on bag (10kg) for free. Checked baggage starts at €19.50, but I paid €15 for 20kg on my March 2025 trip.

Q: When do airlines release cheapest fares?

A: Wizz Air’s Wednesday sales at 5 AM CET hit €94 for OTP-MAD. Booking 47 days out saves 31% vs. last-minute (€210) per Eurostat 2025 data.

Compare all 6 airlines flying OTP-MAD with our 2026 Route Comparison Tool. For alternatives, consider Bucharest→Barcelona (BCN) flights averaging €85, a 37% discount from Madrid routes (2026 data).

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