You are planning to fly with a low-cost airline and wonder: what size bag is 18″x14″x8″? And what is the best 18″x14″x8″ bag on the market?
The 18 x 14 x 8 inches size is 45 × 35 × 20 in cm, the bag fits perfectly as a personal item for most budget airlines like Spirit and Frontier Airlines. The bag will perfectly fit under the seat in front of you without any issues or paying extra fees.
In this post, I will explain the 18x14x8 bag dimensions in both inches and cm, so you can make it even it is slightly above the size, and list so mom the best 18 x 14 x 8-inch bags from Amazon and explain which airline personal item rules are compatible with these dimensions.
Let’s dive right in.
TL;DR
- An 18×14×8-inch (45×35×20 cm) bag is the size for a personal item on most budget airlines like Spirit, Frontier, and Allegiant.
- This size will fit perfectly under the seat in front of you.
- This size works for backpacks, duffels, and totes. Measure carefully (including handles and wheels) and check product descriptions before buying.
- For the weight it is better to keep it under 15 – 20 lbs for easy travel.
- You can find many popular bags on Amazon or other places that fit these dimensions and can take all your travel essential items and electronics.
- For carry-on use, check airline rules if too big, it may need to go in the overhead bin.
How Big Is a 14 x 18 x 8 inches Bag?
A 18 x 14 x 8 inches bag is slightly smaller than a 17 x 10 x 9 inches bag, that major airlines like (United, JetBlue, American Airlines, Alaska Airlines) consider as their personal item.
A bag of this size is considered a free personal item on most budget airlines, like Spirit, Frontier, and Allegiant Airlines, and it can be. a duffle bag, a tote bag or a small bag.
But the twist here is if the bag didn’t fit under the seat in front of you have to pay for it and it will be considered as your main carry-on bag.
How To Measure a 18 x 14 x 8 Bag?
There are so many ways to make sure that your bag is 18″ in height x 14″ in length x 8″ in width (45 x 35 x 20 cm).
You can either use a tape measure or a ruler and measure the dimensions of your bag and ether them in size checker bellow.
And if you are still in the process of looking for a bag you can read the product description and other reviews before you make the purchase as it will provide all the info you need including the measurement.
Just keep in mind that all airlines luggage size includes handles and wheels of the bag.
| Airline | Personal Item Size | Will 18×14×8 Fit? |
|---|---|---|
| Spirit Airlines | 18×14×8 in / 45 × 35 × 20 cm | Yes |
| Frontier Airlines | 18×14×8 in / 45 × 35 × 20 cm | Yes |
| Allegiant Air | 16×15×7 in / 40.5 × 38 × 17.5 cm | Slightly larger |
| American Airlines | 18 x 14 x 8 in (45 x 35 x 20 cm) | Yes |
| United Airlines | 9 x 10 x 17 inches (23 x 25 x 43 cm) | Depends on bag shape |
What Can Fit In a 18×14×8 Personal Item Bag?
You can usually pack inside a 18×14×8 bag:
- A 15 – 16 inch laptop
- Charging cables and electronics
- A change of clothes
- Toiletry bag
- Snacks and travel documents
- A small jacket or hoodie
- Water bottle
Related:
What does a 18 x 14 x 8 bag look like?
Laptop Backpack, Professional Business Travel Durable Anti Theft Laptops Backpack with USB Charging Port.
This BC BRUNO CAVALLI Black Backpack is less than 18x14x8 inches and will fit perfectly Spirit airline personal items and any other airline carry on luggage dimensions.
18 x 12.98 x 8.2 inches Backpack
( the backpack is currently out of stock you can check this Mecrowd Laptop Backpack for Men, Business Anti Theft Backpack )
However the backpack may seem small and less than the size but it has a large compartment and Well made for your laptop and any other items.
Personal Item Under Seat Laptop Backpack for American, South West, Spirit, Frontier Airlines (Purple)
This Extremely durable and comfortable Backpack works well with For many Airlines with 18*14*8 inches dimensions, and less.
18 x 14 x 8 inches Backpack
( the backpack is currently out of stock)
You can check this 18 * 7.08 * 14.17 Laptop Backpack instead.
Hynes Eagle 38L Flight Approved Weekender Carry on Backpack
This 38 L backpack will fit with several major airlines carry on baggage, as well as the under seat storage.
12.99 x 7.87 x 19.69 inches Backpack
Hynes Eagle 30L Travel Backpack Flight Approved Carry on Backpack Weekender Backpack
This 30L backpack is almost the size of spirit and 13.4 x 7.8 x 18.8 inches/ 34 x 20 x 48 cm and can fit the allowed maximum size of an IATA flight in the overhead compartment as well as the under seat storage.
13.4 x 7.8 x 18.8 inches Backpack
Laptop Backpack for men and women , Anti Theft Travel Backpacks with Charging Port fit 15.6 Inch.
This backpack is compliant with the airlines with a carry-on size under 18x14x8 inches travel bag so you can throw it under your seat on an airplane when you are traveling or on any airline.
also suitable for carry on to be stored in the overhead bin.
17 x 13.5 x 7 inches Backpack
Spirit Frontier Personal Item Bag Backpack 18″x14″x8″ Carry On Bag Duffel Tote (Blue)
This is the exact match of an 18 x 14 x 8 inches backpack that fits almost all airlines personal item sizes except United and Allegiant.
18 x 14 x 8 inches Backpack
BAOSHA HB-28 Ladies Women Canvas Travel Weekender Bag Overnight Carry-on Duffel Tote Bag (Black)
This BAOSHA weekender bag is popular and Can serve as a carry-on item for most airlines.
16 x 12 x 8 inch weekender bag
Weekender Bag for Women Canvas Overnight Bag Large Travel Bags
Perfect for a carry on, can fit under an airplane seat,Use this as a personal item on flight.Perfect size for a few days of travel or a weekend trip.Great for your sleepovers, weekend getaways, and just travel in general!
18x 12 x 9 inches
18” Personal item Under Seat Duffel w Pillow for Airlines Spirit Frontier AA Southwest
This duffle bag will be considered a personal bag. It fits under the seat. It is not considered a carry on.
18x13x7.5 inches duffle bag
Foldable Travel Duffel Bag, Buruis for Spirit Airlines Carry on Luggage Underseat Tote Bag
Perfect size for almost all major airlines .
This duffle bag is suitable to be put above the suitcase, the size of the bag and suitcase-handle design can be said to be really good.
17.7 x 13.4 x 7.8 inch duffle bag
Final Thoughts
To have durable 18 × 14 × 8 inches (45 × 35 × 20 cm) personal item bag is a smart move if you are flying frequently with budget airlines.
These dimensions is widely accepted as a personal item, meaning you can place it under the seat in front of you and skip any baggage fees on airlines like Spirit and Frontier.
So whether you prefer a small backpack, a duffel bag, or tote, the key is to make sure your bag does not excessively exceed the dimensions.
I hope this helps
Happy travels
FAQs About 18x14x8 Bags
-
What is a 14 x 18 x 8 bag in centimeters?
A 14x18x8-inch bag is about 45 × 35 × 20 cm (length × height × width). It’s a great size for a personal item on most airlines. -
Will my 18x14x8 bag fit under the seat on all airlines?
Usually yes, this size will fit under the seat for most airlines but mainly Spirit and Frontier Airlines. -
Can I use an 18 x 14 x 8 backpack as a carry-on instead of a personal item?
If your airline allows larger bags as a carry-on, then you can place it in the overhead bin. Otherwise, it’s best if you use it under the seat as a personal item. -
What is the maximum weight allowed for a 18 x 14 x 8 personal item?
Most airlines don’t set a strict weight limit for personal items, but keeping it under 15-20 lbs (7-9 kg) will make your flight easy and help you avoid extra charges. -
Are there any airline-specific restrictions for 18x14x8 bags?
Yes. Budget airlines like Spirit, Frontier and even Allegiant might be more strict rescue they charge for carry-on bags, but other major airlines like United or American Airlines will be slightly flexible. -
Can I fit a laptop in an 18 x 14 x8 bag?
Yes, most 15.6-inch laptops fit comfortably, and many bags have padded compartments to keep your laptop safe. -
Can I put an 18 x 14 x8 bag in the overhead bin?
If it meets carry-on size rules for your airline, yes. Otherwise, it’s safest under the seat as a personal item. -
Can I put liquids and electronics in a 18 x 14 x8 personal item?
Yes, yes just make sure that you follow the TSA 3-1-1 liquids rule for carry-ons: containers of 3.4 oz / 100 ml or less in a clear quart-size bag. Laptops, tablets, and other electronics can fit under your seat or in the overhead bin.
