Updated November 2026
A travel backpack with daypack setup solves a common problem: you need one bag for a week or two of clothes and toiletries, plus a smaller bag for day trips, flights and excursions. The right combination depends on how much you carry, whether you fly with carry-on limits, and how often you switch between city walking and trail days. The five packs below were selected by comparing manufacturer specifications, brand track record and patterns in owner feedback. We did not test them in the field, so check listing details before you buy.
Our top picks at a glance
- 1
TOP CHOICEBest overallWATERFLY Small Lightweight Packable Backpack 20LView on Amazon - 2
TOP CHOICEBest for carry-on flightsOsprey Farpoint Fairview 15L Travel DaypackView on Amazon - 3
TOP CHOICEBest for laptop commutersBAGSMART 18L Travel Backpack for Men WomenView on Amazon - 4
Best for wet-weather hikingMIYCOO Ultralight Packable Backpack 35LView on Amazon - 5
Best budget pick4Monster Hiking Daypack 24LView on Amazon
Our Top Picks
Each pick below is matched to a specific need. Start with the Quick Comparison table, then read the detailed notes for the packs that fit your trip.
Quick Comparison
| Product | Best for | Key feature |
|---|---|---|
| WATERFLY Small Lightweight Packable Backpack 20L | Everyday carry and short trips | Recycled nylon with multi-compartment storage |
| MIYCOO Ultralight Packable Backpack 35L | Wet-weather hiking and travel | Water-resistant shell with foldable design |
| Osprey Farpoint Fairview 15L Travel Daypack | Carry-on flights | Attaches to Farpoint/Fairview travel packs |
| BAGSMART 18L Travel Backpack | Laptop commuters and urban travel | Fits 14-inch device and trolley sleeve |
| 4Monster Hiking Daypack 24L | Budget-conscious travelers | Water-resistant lightweight packable build |
WATERFLY Small Lightweight Packable Backpack 20L
WATERFLY Small Lightweight Packable Backpack: 20l Hiking Daypack Man Woman | 20L,Recycled nylon material,Multi-compartment storage,Water-resistant,Everyday carry,Ultra Light Foldable Travel Day Pack
Best for: Everyday carry and short trips
This is a good fit for travelers who want a compact daypack that folds small enough to stow inside a larger travel bag. It suits city days, short hikes and as a secondary bag on a longer trip.
Key specs
- 20-liter capacity
- Recycled nylon material
- Multi-compartment storage
- Water-resistant finish
- Foldable, ultralight construction
Pros
- Packs down small when not in use
- Multiple compartments help separate items
- Recycled material appeals to eco-minded buyers
Cons
- Limited padding for heavy loads
- Not sized for full overnight packing
Bottom line: A strong choice if you want a lightweight secondary bag for day use and value compact storage over structure.
View on AmazonMIYCOO Ultralight Packable Backpack 35L
MIYCOO Ultralight Packable Backpack, 35L Water-Resistant Hiking Daypack | Travel Camping Foldable Daypack, Hiking Back Pack for Men Women, Black
Best for: Wet-weather hiking and travel
This pack suits travelers who expect rain on hikes or city transit and want a larger volume than a typical daypack. The 35-liter size covers multi-day excursions when used as a light carry.
Key specs
- 35-liter capacity
- Water-resistant shell
- Foldable, packable design
- Unisex fit for men and women
Pros
- Larger capacity than most packable daypacks
- Water-resistant fabric suits rainy conditions
- Folds into its own pocket
Cons
- Thin straps may feel uncomfortable under heavy loads
- Water resistance is not the same as waterproof
Bottom line: Best for buyers who want more volume and rain protection in a packable format, especially for hiking-focused trips.
View on AmazonOsprey Farpoint Fairview 15L Travel Daypack
Osprey Farpoint™ Fairview™ 15L Travel Daypack, Black | Personal Item/Carry-On Backpack, Attaches to Farpoint/Fairview Packs, 16in Laptop Sleeve, Hydration Compatible, 15L Capacity
Best for: Carry-on flights
This daypack is designed to pair with Osprey’s Farpoint and Fairview travel packs. It suits travelers who want a personal item that attaches to a main bag and meets airline carry-on rules.
Key specs
- 15-liter capacity
- 16-inch laptop sleeve
- Hydration-reservoir compatible
- Attaches to Farpoint and Fairview packs
Pros
- Attaches securely to a main travel pack
- Laptop sleeve fits most standard laptops
- Brand known for durable travel gear
Cons
- Works best only with compatible Osprey packs
- Limited space for bulky items
Bottom line: The most natural pick for travelers already using a compatible Osprey travel pack and planning frequent flights.
View on AmazonBAGSMART 18L Travel Backpack for Men Women
BAGSMART 18L Travel Backpack for Men Women, Lightweight Hiking Backpack | Fits 14 Inch Device, Trolley Sleeve, Compact Backpack for College, Commute, Outdoors, Urban Daily Use, Water-resistant
Best for: Laptop commuters and urban travel
This pack suits people who carry a laptop or tablet daily and want a compact bag that slides onto a rolling suitcase handle. It works well for business trips and city sightseeing.
Key specs
- 18-liter capacity
- Fits 14-inch device
- Trolley sleeve for rolling luggage
- Water-resistant exterior
Pros
- Trolley sleeve keeps it secure on rolling bags
- Laptop compartment protects devices
- Suitable for both office and outdoor use
Cons
- Not built for hiking loads or rough terrain
- Smaller than a full travel backpack for multi-day trips
Bottom line: Ideal for commuters and business travelers who want a tech-friendly daypack that pairs with a rolling suitcase.
View on Amazon4Monster Hiking Daypack 24L
4Monster Hiking Daypack,Water Resistant Lightweight Packable Backpack for Travel Camping Outdoor (Blue, 24L)
Best for: Budget-conscious travelers
This daypack is aimed at buyers who want a lightweight, water-resistant pack for hiking and sightseeing without paying for premium branding. It suits first-time travelers and occasional hikers.
Key specs
- 24-liter capacity
- Water-resistant lightweight fabric
- Packable design
Pros
- Generous 24-liter volume for a packable pack
- Water-resistant build handles light rain
- Simple, easy-to-use layout
Cons
- Fewer organizational pockets than premium options
- Padding and suspension are basic
Bottom line: A sensible budget pick for travelers who need a functional daypack for light outdoor use and can accept basic construction.
View on AmazonBuying Guide
Use these factors to narrow your choice before comparing specific models. For background on carrying systems and fit, see Travel Pack With Daypack: 5 Best Options for Trips in 2026 and 6 Best Travel Backpack Daypacks: Top Picks Compared for 2026.
Capacity and Trip Length
Match volume to how long you are gone. Packs in the 15 to 20-liter range work for day trips and carry-on personal items. Volumes from roughly 24 to 35 liters cover overnight or multi-day use when you pack light. Manufacturers list capacity in liters; compare that number against your planned load rather than relying on size labels alone.
Good picks for this: WATERFLY Small Lightweight Packable Backpack 20L, MIYCOO Ultralight Packable Backpack 35L
Airline Carry-On Compliance
Most airlines measure carry-on items against maximum dimensions that differ by carrier. Check your airline’s personal item and carry-on size limits before buying. A daypack designed to attach to a main bag can simplify boarding, but only if the connection is compatible with your luggage.
Good picks for this: Osprey Farpoint Fairview 15L Travel Daypack, BAGSMART 18L Travel Backpack
Laptop and Device Protection
If you carry a laptop, look for a padded sleeve sized to your device. Listings often state the maximum screen size, such as 14 or 16 inches. Check whether the sleeve is separated from the main compartment, since that affects how easily you can access the device at security checkpoints.
Good picks for this: BAGSMART 18L Travel Backpack, Osprey Farpoint Fairview 15L Travel Daypack
Water Resistance Versus Waterproofing
Water-resistant fabric sheds light rain but will not keep contents dry in a downpour or if the pack sits in water. Waterproof packs use sealed seams and roll-top closures. If you expect heavy rain, consider a pack with a dedicated rain cover or dry bag liner. For a deeper look, see Water Resistant Hiking Backpack: How to Choose One That Keeps Gear Dry and Waterproof Backpack for Hiking: How to Choose One That Keeps Gear Dry.
Good picks for this: MIYCOO Ultralight Packable Backpack 35L, 4Monster Hiking Daypack 24L
Weight and Packability
Ultralight packs often weigh well under a pound, which matters when you add a daypack to a travel bag. Packable designs that fold into an internal pocket take up little room when empty. Weigh the pack empty and compare it with your total carry weight, since every ounce adds up over a full travel day.
Good picks for this: WATERFLY Small Lightweight Packable Backpack 20L, 4Monster Hiking Daypack 24L
Suspension, Straps and Comfort
Padded shoulder straps and a supportive back panel matter once a pack holds more than about 10 to 12 pounds. Thin straps can dig into shoulders under heavy loads. If you plan long walks, check whether the pack has a hip belt or sternum strap, and whether the back panel is ventilated.
Good picks for this: Osprey Farpoint Fairview 15L Travel Daypack, MIYCOO Ultralight Packable Backpack 35L
Organization and Access
Multiple compartments help separate electronics, toiletries and documents. Front or side access makes it easier to reach items without unpacking. Pockets sized for water bottles and a small first-aid kit are useful for daily travel. Pair the pack with organizers such as Travel Document Organizers: Keeping Passports, Tickets and Papers Together to keep papers tidy.
Good picks for this: WATERFLY Small Lightweight Packable Backpack 20L, BAGSMART 18L Travel Backpack
FAQ
What is the best size for a travel daypack?
For day trips and carry-on personal items, 15 to 20 liters is usually enough. If you plan to use the daypack as a light overnight bag, 24 to 35 liters gives more room. Choose based on how much you need to carry each day.
Can a daypack be a carry-on personal item?
Many daypacks meet personal item size limits, but airlines set different maximum dimensions. Measure the pack when full and check your carrier’s rules before flying.
Is a water-resistant pack the same as waterproof?
No. Water-resistant fabric repels light rain but can soak through in heavy weather. Waterproof packs use sealed seams and closures designed to keep water out. Consider a dry bag liner for wet conditions.
Do packable backpacks hold up for daily use?
Ultralight packable designs use thinner fabrics. They work well for occasional travel, but owners often report that heavy daily use benefits from a more structured pack with reinforced stitching.
Should I buy a set or a single pack?
A single travel backpack paired with a daypack covers most trips. Some travelers prefer a pack that attaches to a main bag, which keeps both pieces together. Decide based on whether you travel by air or ground and how often you switch bags.
How do I pack a travel backpack and daypack together?
Put heavy items low and close to your back in the main pack. Keep valuables, a light layer and essentials in the daypack. Use packing cubes to compress clothing and separate categories.
Conclusion
For most travelers, a travel backpack with daypack combination starts with knowing your trip length and airline limits. The WATERFLY 20L suits light everyday carry, while the Osprey Farpoint Fairview 15L fits buyers who fly with a compatible main pack. The BAGSMART 18L is a practical choice for laptop-carrying commuters, the MIYCOO 35L suits wet-weather hiking and the 4Monster 24L offers basic features at a budget-friendly level. Compare the specs against your own load before you buy.
Sources
- Official guidance on carry-on and personal item screening rules (tsa.gov)
- Federal information on lithium battery and electronics rules for air travel (faa.gov)
- Consumer safety information on bags, straps and product recalls (cpsc.gov)

