| Aer Lingus | €15 / £10 (short-haul) €30 / $40 (long-haul) | Yes, via Manage Your Booking. Seat fees start from €5 or equivalent. |
| Air Berlin | XL seats €20 / £18 (short-haul), €60 / £54 (long-haul) | Yes, during web check-in. Reserve seats - €10 (short-haul) €15 (long-haul). |
| Air France | €50 on flights shorter than nine hours, €70 on flights longer than nine hours | During booking or via "Manage your reservations" |
| Alitalia | | During booking process. |
| Iberia | Tourist XL - €10 domestic Spanish flights, €20 Canaries, European flights, flights to North and Central Africa and the Middle East, €50 intercontinental flights (America and South Africa). | During booking process or via Booking Management. |
| First Choice | Extra Space seats cost between £20 and £70 depending on destination. | During booking process. Seats can be reserved for an extra fee. |
| Lufthansa | Not bookable | Seats can be reserved in Economy Class on intercontinental flights, but not on domestic German or European flights (in Economy Class). To choose your own seat, check-in online, via mobile or at airport check-in machines. |
| BMI | Not bookable | Select seats via Manage my booking. |
| British Airways | £10 / €12 / $15 to choose seats (during booking) in Euro Traveller, £20 / €25 / $30 to choose seats (during booking to 25 hours before take-off in World Traveller), £50 / €60 / $75 for exit row seats (between 14 and 4 days before departure). | Passengers choose a seat free of charge at check-in, from 24 hours before departure. |
| bmibaby | £8.50 / €11 online or £15 / €24 via Call Centre. | Seats assigned at check-in. Can be reserved online from £4.50 / €6 or £10 / €12 via Call Centre. |
| easyJet | No | No. Speedy boarding costs £9 per flight |
| Flybe | £15 / €22 / 35CHF for seats occupying an emergency exit or bulkhead. | Yes, but seats can be reserved for £6.50 / €8.50 / 14CHF) online or £8 by telephone. |
| Germanwings | €8 (standard seat), €20 (XL seat with extra legroom) | Assigned at check-in. |
| Jet2 | Fee depends on length of flight - between £7.99 / €11 / 16CHF / 300CZK / 45PLN and £24.99 / €33 / 50CHF/ 900CZK / 140PLN. | Standard seat selection costs £2.99. Alternatively, seats are allocated at check-in. |
| KLM | Seats in Economy Comfort zone on intercontinental flights can be purchased for between €60 and €150 (90 days until 48 hours before take-off) via Manage my Booking. | During booking or check-in. |
| Monarch | £17.50 for extra-legroom seat. | Seats can be pre-booked - £7.50 for standard seats. |
| Ryanair | Not bookable | No allocated seating. Priority boarding available for £4 each way. |
| Thomson Flights | £10 per person each way. | Seats can be selected for £6. Alternatively, seats are allocated at check-in. |
| Wizz Air | Extra legroom seats cost £4 (€5) online or via call centre or £8 (€10) at the airport. | Seats are not assigned, but Wizz Xpress priority boarding costs £3 (€4) online or via call centre or £6 (€8) at the airport. |