This is a travel-stroller question we started hearing at Tadpole recently. The Bugaboo Butterfly 2 and the Silver Cross Nia both fold small enough to carry onto a plane, both accept a car seat with adapters, and both offer a compact ride without giving up comfort. So which one is right for you? The answer comes down to one question: how newborn-heavy is your first year going to be?

In short: if you want a very light, effortless, everyday compact travel stroller -and your baby is already sitting up- or you're pairing it with an infant car seat, the Butterfly 2 is hard to beat. It remains one of our most popular travel strollers because it’s easy to fold and easy to carry, especially with a toddler in tow. But if you want a travel stroller that can take you from the newborn stage with a proper lie-flat recline (and the option to add a bassinet), then Nia is a better option. Let's go through it.

Bugaboo Butterfly 2 ultra-compact one-second-fold travel stroller
Bugaboo Butterfly 2 — our most popular compact travel stroller
Silver Cross Nia compact folding travel stroller in Onyx
Silver Cross Nia — newborn-ready, IATA cabin compliant in seat and bassinet mode

How Similar Are They, Really?

On the big things, closer than you'd think. Both are lightweight, cabin-friendly travel strollers that fold small and self-stand once folded. Both carry from birth to around 50 lbs. Both have a UPF 50+ ventilated canopy, a real underseat basket, one-hand maneuverability, and both accept an infant car seat with the right adapters, so either one can become a travel system. And they almost look the same too.

What really sets them apart is newborn compatibility. The Butterfly 2 is designed to be Bugaboo’s smallest, quickest, most grab-and-go compact stroller built around the one-second fold and carry-it-like-a-bag portability. The Nia answers a slightly different question: can a stroller be truly cabin-sized and genuinely newborn-ready, with a bassinet included? That difference shows up quickly once you look closer.

What "newborn-ready" actually means

Deep recline vs. true lie-flat

A lot of travel strollers advertise a "deep recline." That's not the same as a flat, newborn-safe surface. The Butterfly 2 reclines nicely but it does not have a true lie-flat bassinet-style position, and there's no bassinet accessory for it. The Nia's seat lies more flat and is rated newborn-ready out of the box but Silver Cross also has a compact folding bassinet available separately. If your baby will spend a lot of the first six months in the stroller, this is the most important distinction between these two strollers. A note on placing a newborn in a stroller: bassinet is easier than strapping them tightly into a 5-pt harness lay-flat seat when they are so little.

The Specs Side by Side

Bugaboo Butterfly 2 Silver Cross Nia
Stroller weight ~16 lbs ~15.7 lbs (excl. bumper bar) so really ~16lbs
Feel in hand Featherlight, nimble A touch heavier & sturdier (thicker wheels)
Folded (cabin) 17.6" × 9.6" × 21.8" 21.5" × 17.5" × 9.5"
Unfolded 17.6" × 37.2" × 40.5" 34.5" × 17.5" × 42"
Newborn recline Deep recline (not lie-flat) True lie-flat, newborn-ready
Bassinet option None available Yes — sold separately
Suitable from Birth (with car seat) Birth (with car seat, lay flat seat or bassinet)
Fold One-hand, self-standing One-hand, self-standing
Carry Integrated elastic shoulder strap Shoulder carry strap (non elastic, extendable)
Underseat basket 17.6 lbs 22 lbs
Harness / buckle 5-point harness Magnetic Genius 2™ buckle, no-rethread
Cabin compliant IATA-compatible (seat) IATA compliant in seat AND bassinet mode
Car seat adapter Yes — sold separately Yes — sold separately
Price (stroller) $499 $549.99

The Weight Question: Is the Nia Really Heavier?

Although the two strollers are nearly the same weight on paper, the Butterfly 2 feels a bit lighter and more nimble in hand, while the Nia feels slightly more substantial. A lot of that comes down to how the weight is carried; the Butterfly’s elastic strap helps distribute the weight more comfortably, while the Nia’s strap can make the weight feel more concentrated.

From our showroom

The decision really comes down to your preferences and smaller details: which fold feels easier for you, which recline you prefer, which one feels better in your hand. Once you push both, it becomes much easier to know which one feels right and to feel confident you’re making the right decision from the beginning.Bugaboo Butterfly 2 folded compact one-second fold with elastic shoulder strap

Bugaboo Butterfly 2 — one-second fold, carried like a bag — available at Tadpole Boston

The Price Comparison

The two strollers sit close on price: the Butterfly 2 is normally $599 and the Nia is $549.99 (Butterfly 2 is on sale this summer for $499 so take advantage if this is the one for you). The gap widens only if you build the Nia out toward its newborn potential by adding the folding bassinet which takes it into travel-system territory, As a straight seat-mode compact, you're comparing two similarly priced strollers. What you're really deciding between is portability at its purest (Butterfly 2) versus newborn readiness and expandability (Nia).

Ultra-Compact

Bugaboo Butterfly 2

$499

One-second fold.
Car seat adapter sold separately.

Shop Butterfly 2 →

The real question is whether you want to prioritize the first six months or think beyond the newborn stage. Once baby is older, the differences between strollers tend to even out.

— The Tadpole Team

What Makes the Butterfly 2 Different

The Butterfly 2 is Bugaboo's ultra-compact travel stroller, refined into its second generation. Its signature is the one-second, one-hand fold — it collapses into a genuinely small package that clears airline carry-on requirements, and an integrated elastic shoulder strap lets you sling it over your shoulder like a bag when your hands are full. It's roomy where it counts, with an ergonomic seat, full suspension to smooth out city bumps, and a surprisingly generous underseat basket for something this small.

It reclines into a deep sit-back rather than a flat bassinet position, and there's no bassinet accessory in the offering. In our experience, that makes it the perfect pick for parents whose baby is already sitting up, or who plan to clip in an infant car seat for the newborn months using the Butterfly 2 car seat adapter. (Heads up: the original Butterfly's adapter, bumper bar, and rain cover are not compatible with the Butterfly 2 and you need the Butterfly 2-specific accessories.)

A detail we notice

The elastic shoulder strap and one-second fold

What makes the Butterfly 2 one of our top-recommended travel stroller is an easy one-handed fold and the elastic strap that adjusts over your shoulder nicely.

What Makes the Nia Different

The Nia is Silver Cross's rethink of what a compact travel stroller can be. Its headline claim is real: it's the only stroller in the world that's IATA cabin compliant in both seat and bassinet mode meaning even the bassinet is small enough to bring onboard. The seat lies flat and is newborn-ready straight out of the box, so you're not relying on an infant car seat to cover the first few months if you don't want to.

It also carries a few thoughtful touches you feel day to day: a magnetic Genius 2™ buckle and no-rethread harness that make getting a wriggly baby in and out faster, a supersized 22 lb-capacity storage basket, and a self-standing one-hand fold with a shoulder carry strap. If you want to go all the way to a newborn sleep setup, the Nia compact folding bassinet is sold separately — and if you'd rather buy it all together, we carry the Nia stroller + bassinet bundle.

What sets the Nia apart in the compact category

A cabin-sized bassinet — a genuine first

Most travel strollers ask you to choose between "small enough to fly with" and "safe for a newborn to nap in." The Nia's bassinet is the rare accessory that folds down small enough to be cabin compliant itself, so a newborn can have a true flat, enclosed sleep space on the road. For families traveling internationally in the first year, or planning back-to-back trips with a young baby, that's a meaningful advantage.

Both Work With a Car Seat

This is worth underlining because it's the question we get most: yes, both strollers become travel systems. The Butterfly 2 accepts an infant car seat via the Bugaboo Butterfly 2 car seat adapter, and the Nia works with the Nia universal car seat adapters. So even if you love the Butterfly 2's featherlight fold but want newborn coverage, clipping in a car seat is a perfectly valid path. As always, adapter compatibility can change as new car seat models launch, so check with us on your specific seat before you buy — we're happy to confirm fitment in-store.

Tadpole's Recommendation

Our take — after fitting hundreds of travel strollers in Boston

Choose the Bugaboo Butterfly 2 if your top priority is the lightest, quickest, most portable everyday compact — especially if your baby is already sitting up, or you'll pair it with an infant car seat for the newborn months. It's our most popular travel stroller for a reason: that one-second fold and elastic shoulder strap are pure quality-of-life.

Choose the Silver Cross Nia if you want a travel stroller that's genuinely newborn-ready from day one, with a true lie-flat recline and the option to add a cabin-compliant bassinet. It feels a touch sturdier in the hand, has a bigger basket, and is the more future-proof buy for families who want one compact to carry them through the whole first year and beyond.

Questions we hear at the showroom

Is the Silver Cross Nia heavier than the Bugaboo Butterfly 2?

Only marginally. The Nia is about 15.7 lbs (excluding the bumper bar) and the Butterfly 2 is around 16 lbs, so they're within a hair of each other. In the hand, the Nia reads as a touch sturdier and more substantial, while the Butterfly 2 feels a touch lighter. For everyday lifting and travel, most parents won't notice a real difference in weight.

Can the Bugaboo Butterfly 2 be used from birth?

Yes, by adding an infant car seat with the Butterfly 2 car seat adapter. If a flat newborn sleeping surface matters to you, the Nia's lie-flat seat and optional bassinet are the better fit.

Does the Silver Cross Nia come with a bassinet?

The stroller and the bassinet are sold separately. The Nia seat itself is newborn-ready and lies flat, so a bassinet isn't required but if you want a proper enclosed sleep space, the Nia compact folding bassinet is available on its own, or as a stroller + bassinet bundle. The bassinet is also cabin compliant, which is unique to the Nia.

Do both strollers work with an infant car seat?

Yes. The Butterfly 2 uses the Bugaboo Butterfly 2 car seat adapter, and the Nia uses the Nia universal car seat adapters both sold separately. Adapter compatibility varies by car seat brand and model and can change with new releases, so we recommend confirming fitment with us before purchasing for your specific seat. *Nia and Butterfly's car seat adapters work with most Nuna infant car seats, select Cybex and Maxi-Cosi.

Which is the better travel stroller for flying?

Both fold small enough to meet IATA carry-on requirements, so either is a strong flyer. The Butterfly 2 wins on sheer speed and portability, the one-second fold and shoulder strap are ideal for moving through an airport with your hands full. The Nia wins if you're traveling with a newborn, because its bassinet is cabin compliant too, giving your baby a flat sleep space onboard and at your destination.

Which travel stroller is most popular at Tadpole?

The Bugaboo Butterfly 2 remains our most popular compact travel stroller, largely thanks to its easy fold and how effortlessly it packs and carries. The Silver Cross Nia has quickly become a favorite for newborn-stage and frequent-flying families since it launched. We carry both and recommend coming in to fold and push each before deciding.