Best Backpack for Ryanair (2026): Complete Size Guide
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Ryanair enforces some of the strictest carry-on size limits in Europe. None of the backpacks we review fits its free under-seat bag, and only two small packs fit its 20 cm deep Priority bag. Here is how to choose the right one. For a complete comparison across all carriers, see the full airline size limits guide.
Quick Answer
Our pick: The Osprey Daylite Expandable 26+6 is the best fit for Ryanair Priority. At 43 × 33 × 16cm (20cm deep expanded), it fits the 55 × 40 × 20cm Priority bag in either mode. The Patagonia Black Hole 25L is the lighter alternative.
Reality check: Most 40L travel backpacks exceed Ryanair’s free personal item limit (40 × 30 × 20cm / 15.7″ × 11.8″ × 7.9″). Priority boarding (€10-45) adds a 55 × 40 × 20cm overhead bag, and that 20cm depth rules out most 40L packs as well.
Skip 40L bags on Ryanair: The Osprey Farpoint 40 and similar packs are 23cm deep, too large for the free allowance and 3cm over the Priority depth limit.
Ryanair’s Carry-On Policy
- Free personal item: 40 × 30 × 20cm (15.7″ × 11.8″ × 7.9″) must fit under seat
- Priority + 2 Cabin Bags: €10-45 adds 55 × 40 × 20cm (21.6″ × 15.7″ × 7.9″) overhead bag (10kg max)
- Enforcement: EXTREMELY STRICT metal sizing frames at every gate
- Gate fees: €25-70 if your bag doesn’t fit the sizer
Reality check: Ryanair generates significant revenue from baggage fees. Gate agents use metal sizing frames strictly. Most 40L backpacks will not fit the free allowance.
Our Top Picks
Osprey Daylite Expandable 26+6
Price: $110
Capacity: 26L (32L expanded)
Dimensions: 16.9″ × 13″ × 6.3″ (43 × 33 × 16cm); 20cm deep expanded
The Daylite fits Ryanair’s 55 × 40 × 20cm Priority bag in either mode. Unexpanded it is 12cm under on height, 7cm under on width and 4cm under on depth, and the expanded 20cm depth sits exactly at the limit. At 0.84 kg (1.85 lbs) it leaves more than 9kg of the 10kg Priority allowance for contents.
It does not fit the free bag: at 43 × 33cm it is 3cm over the 40 × 30 × 20cm under-seat limit on both height and width, so book Priority. Clamshell opening and lockable zippers.
Patagonia Black Hole 25L (lighter alternative)
Price: $165
Capacity: 25L
Dimensions: 18.9″ × 11.8″ × 5.9″ (48 × 30 × 15cm)
Weight: 0.64 kg (1.4 lbs)
The Black Hole fits the Priority bag with 7cm to spare on height and 5cm on depth, and at 0.64 kg it is the lightest pack in this guide. Its 48cm length is 8cm over the free bag’s 40cm limit, so it needs Priority too.
The 300D recycled ripstop shell carries a TPU-film laminate for weather resistance, and a luggage pass-through lets it ride on a rolling bag.
Cotopaxi Allpa 35L (1cm over Priority depth)
Price: $230
Capacity: 35L
Dimensions: 21.3″ × 13″ × 8.3″ (54 × 33 × 21cm)
Ryanair risk: Gate fee if measured, even with Priority
The Allpa 35L is the higher-capacity option, with 35L of space against the Daylite’s 26-32L. At 54 × 33 × 21cm it exceeds the free bag on all three dimensions, and its 21cm depth is 1cm over the Priority bag’s 20cm limit, so a bag that gets measured can be charged at the gate.
Superior organization with multiple pockets, compression straps, and separate shoe compartment. Cotopaxi is a certified B-Corporation.
Osprey Farpoint 40 (too deep for Priority)
Price: $199
Capacity: 40L
Dimensions: 21.7″ × 13.8″ × 9.1″ (55 × 35 × 23cm)
Ryanair risk: Too deep for Priority (23cm)
The Farpoint 40 is excellent for most airlines, but Ryanair is different. At 55 × 35 × 23cm, it exceeds the free personal item limit in all three dimensions, and its 23cm depth is 3cm over the Priority bag’s 20cm limit. On Ryanair, plan to check it.
Use this bag for: Airlines with standard carry-on limits, including Wizz Air’s 55 × 40 × 23cm Priority bag.
Osprey Fairview 40 (too deep for Priority)
Price: $200
Capacity: 40L
Dimensions: 21.3″ × 13.8″ × 9.1″ (54 × 35 × 23cm)
Ryanair risk: Too deep for Priority (23cm)
Same issue as the Farpoint: at 54 × 35 × 23cm it exceeds the free bag and is 3cm too deep for Priority. The women-specific fit does not change the dimensions.
Tortuga Travel Backpack Pro (too large for Priority)
Price: $350
Capacity: 40L
Dimensions: 22″ × 14.2″ × 9.1″ (56 × 36 × 23cm)
Ryanair risk: Too long and too deep for Priority
Premium bag, wrong airline. At 56 × 36 × 23cm it is over the Priority bag by 1cm on height and 3cm on depth, and its structured construction does not squeeze down, so plan to check it.
Comparison Table
| Backpack | Price | Capacity | Dimensions | Fits Ryanair Priority (55 x 40 x 20 cm) | Empty Weight |
|---|---|---|---|---|---|
| Osprey Farpoint 40 | $199 | 40L | 21.7 x 13.8 x 9.1 in | No (depth exceeds 20cm) | 3.5 lbs |
| Osprey Fairview 40 | $200 | 40L | 21.3 x 13.8 x 9.1 in | No (depth exceeds 20cm) | 3.5 lbs |
| Cotopaxi Allpa 35L | $230 | 35L | 21.3 x 13 x 8.3 in | No (depth exceeds 20cm) | 3.4 lbs |
| Nomatic 30L | $310 | 30L | 18.9 x 13 x 8.5 in | No (depth exceeds 20cm) | 4.0 lbs |
| Tortuga Pro 40L | $350 | 40L | 22 x 14.2 x 9.1 in | No (depth exceeds 20cm) | 4.5 lbs |
| Peak Design 45L | $300 | 30-45L | 22 x 13 x 9.5 in | No (56cm long) | 4.8 lbs |
| Osprey Daylite 26+6 | $110 | 26-32L | 16.9 x 13 x 6.3 in | Yes | 1.85 lbs |
| Patagonia Black Hole 25L | $165 | 25L | 18.9 x 11.8 x 5.9 in | Yes | 1.4 lbs |
What to Expect at Ryanair Gates
Ryanair’s business model depends on strict baggage enforcement:
Every Flight
Gate agents use metal sizing frames. If your bag doesn’t fit even by 1cm you pay €25-70 on the spot. No exceptions.
Best Strategy
Buy Priority boarding (€10-45) when booking and carry a pack no deeper than 20cm. Much cheaper than gate fees.
Common Questions
Related Airline Guides
Last updated: October 2026. Always verify current limits at ryanair.com before travel, as policies can change.