Learning how to travel long haul with a toddler sounds terrifying until you’ve done it once. Then you realise it’s not terrifying — it’s just exhausting in a very specific, manageable way. I’ve flown London to Sydney with an 18-month-old, London to New York with a two-year-old, and survived both with my sanity (mostly) intact. Here’s everything I wish someone had told me first.

Before you book: pick your flights strategically

The flight you choose matters more than anything you pack. If you can possibly manage it, book a night flight. A toddler who sleeps through six of the eight hours is a completely different proposition from one who’s wide awake and bouncing off the seats.

• Night flights beat day flights every single time for under-threes.
• Direct beats one-stop — a connection doubles the faff (security twice, boarding twice, meltdown opportunities twice).
• Bulkhead seats with a bassinet are worth requesting the moment you book. Airlines allocate them first-come, first-served, and they sell out fast. Even if your toddler is too big for the bassinet, the extra legroom is gold.
• Avoid the last flight of the day if it’s a day flight — an overtired toddler plus a delay is the stuff of nightmares.

Book your seats early and call the airline to confirm the bassinet. Don’t trust the website alone — a five-minute phone call has saved me twice.

What to pack in the cabin bag

Pack for the flight you fear, not the flight you hope for. My cabin bag formula:

• Snacks — twice as many as you think you need. Pouches, rice cakes, raisins, breadsticks, blueberries. Snacks are currency, entertainment and meltdown-prevention in one. Avoid anything too sugary; you don’t want a wired toddler at 35,000 feet.
• A new toy or two they’ve never seen. The novelty buys you 20–30 golden minutes. Wrap them — unwrapping adds another five.
• Sticker books, colouring, and painter’s tape. A roll of masking tape entertains toddlers absurdly well (sticking it on the tray table, peeling it off, repeat).
• A change of clothes for the toddler AND for you. Learn from my mistake: one explosive nappy at cruising altitude without a spare top for mum is a long eight hours.
• Nappies, wipes, nappy bags — plus extras. Count how many you’d use in the flight time, then add 50%.
• Milk, formula or water. You can take baby milk through security in quantities over 100ml — it just gets tested separately. Bring more than you need.
• Calpol sachets and a dummy/comforter. Ear pressure on descent is the number one cause of in-flight screaming; sucking or swallowing during descent helps enormously.

Surviving the airport

Arrive early but not absurdly early — two and a half hours for long haul is plenty. Any longer and you’re just extending the ordeal. Let them run around the departure lounge until boarding; a tired toddler is a compliant toddler.

Take the pushchair to the gate. Every airline lets you gate-check it, and having it through security and the terminal is worth the faff. A carrier or sling is even better for the plane itself — hands-free in the aisle is a superpower.

Board last, not first. Family pre-boarding sounds kind, but it just means 30 extra minutes trapped in a seat. Let your partner board with the bags while you do laps of the gate area, then stroll on at the final call.

On the plane: the hour-by-hour playbook

Here’s the honest rhythm of a long-haul flight with a toddler:

Hours 1–2: Novelty phase. They’ll love the seatbelt, the tray table, the safety card. Let them explore, then start snacks.

Hours 2–4: Entertainment phase. New toys, stickers, colouring, a walk up and down the aisle. This is when the cabin crew are your best friends — most are wonderful with small children and will bring extra snacks and cups.

Hours 4–6: The danger zone. This is where screens earn their keep. Download favourite shows in advance (airline wifi is not reliable enough to gamble on). A tablet with downloaded episodes plus headphones is the single best investment you can make.

Hours 6+: Sleep attempt. Darken everything, use the comforter, rock or walk them. Even 90 minutes of sleep transforms the remaining flight.

Feed them during descent — a bottle, breastfeed, snacks, or a drink. The swallowing equalises ear pressure and prevents the screaming descent that terrifies the whole cabin.

Jet lag with a toddler: the brutal truth

Toddlers don’t do jet lag gracefully. Expect 3–5 days of 4am wake-ups if you’re flying east (UK to Asia/Australia) — it’s genuinely the hardest part of the trip. My approach: get outside into daylight immediately on arrival, keep them awake until a reasonable local bedtime on day one (even if they’re zombies), and accept that day two will be rough. It passes. Westbound (UK to America) is much easier — they’ll just want an early night.

If you’re heading somewhere like the Caribbean, check out the best all inclusive resorts for families — having everything on site makes those first jet-lagged days far less stressful than navigating an unfamiliar city.

Documents and practicalities

Your toddler needs their own passport — child passports are valid for five years and the photo rules are the same (yes, even for babies). Check entry requirements for your destination; some countries require six months’ validity even for infants. Our guide to documents needed for Europe after Brexit covers the European rules, and the GOV.UK foreign travel advice pages are essential reading for anywhere else.

Take a photo of your child’s passport on your phone as backup, and know what to do if you lose a passport abroad — it happens more often than you’d think with the chaos of family travel.

The takeaway

Travelling long haul with a toddler is 10% logistics and 90% attitude. Over-pack snacks, under-schedule your first two days, book the night flight, and accept that some of it will be hard. But here’s what nobody tells you: toddlers are brilliant travellers in the ways that count. They don’t get bored looking out of windows, they make friends in every queue, and watching your 18-month-old see the ocean for the first time makes every difficult hour completely worth it.