Is it mandatory to choose seats when booking?

is it mandatory to choose seats when booking? No, save on fees

Learning about is it mandatory to choose seats when booking helps travelers avoid unnecessary costs during flight reservations. Understanding this process prevents accidental payments for features that airlines present as requirements. Read on to discover the specific steps to bypass these hidden costs effectively and protect your travel budget.

The Short Answer: Can You Skip Seat Selection?

No, it is not mandatory to choose a seat when booking a flight, even though airline websites often make the skip button difficult to find. If you choose to skip this step, the airline will simply assign you a seat for free, usually through free seat selection at check-in or right at the boarding gate before departure.

I remember the first time I booked a flight alone. I stared at the seat map for ten minutes, convinced I could not finish my purchase without paying an extra $45 for a window seat. I felt cornered - like the website would just error out if I did not click a blue square. Eventually, I found a tiny, grey Continue without selecting a seat link at the very bottom. It felt like a victory. In reality, about 15% of an airlines total revenue now comes from these ancillary fees, which is why they hide the exit so well. ^[1]

Why It Feels Mandatory: Decoding Airline Dark Patterns

Airlines use psychological design tricks, often called dark patterns, to nudge passengers into paying for seat selection. Many travelers ask is it mandatory to choose seats when booking because these interfaces often present the seat map as a mandatory step in a progress bar, making users feel that skipping it will result in an incomplete or invalid booking.

It is a trap. You might see a big, bright Confirm Seats button but only a faint, underlined text link for skipping. Some carriers even show a pop-up warning that you might not sit with your companions if you do not pay now. While that is technically possible, many families do not realize that for children under 13, US guidelines now push airlines to ensure they are seated next to an adult at no extra cost.

Still, the fear of the middle seat is a powerful motivator. It works - I once paid for a seat simply because the interface was so confusing I did not want to risk my ticket not processing.

What Happens If You Don't Pick a Seat?

If you decline to pay for a seat during booking, your ticket remains perfectly valid, and you are simply placed on the to-be-assigned list. The airline will typically use an algorithm to fill remaining seats starting 24 to 48 hours before the flight, prioritizing flight booking without seat assignment for those who check in earliest for any remaining better spots.

The risk is real, though. You are statistically more likely to end up in a middle seat or the back of the plane. Data suggests that what happens if i don't pick a seat on a flight usually involves a higher chance of being assigned a middle seat compared to those who pay or have elite status. ^[2]

But there is a silver lining. Sometimes, if the economy cabin is full, those without assignments are the first to be bumped up to premium economy or even business class at the gate just to make the numbers work. It is rare, but it happens. I have personally been upgraded twice simply because I was the last person without a seat number.

Basic Economy vs. Standard Economy: Knowing the Difference

The rules change drastically depending on your fare class, specifically when dealing with Basic Economy tickets which are designed to be as restrictive as possible. In this tier, seat selection is often restricted until the very last minute, and even paying for a seat might be blocked until the check-in window opens.

Standard Economy usually allows for some free seat selection in the back of the bus or at least the option to pay for better legroom.

Basic Economy, however, is a different beast. Many people book these fares thinking they are just getting a deal, only to realize later that they cannot sit with their spouse or friend. I once saw a couple get quite upset at the gate because they were assigned seats 20 rows apart. The agents hands were tied - the flight was full. If you want to know how to avoid airline seat selection fees while staying together, Basic Economy is usually not the right choice.

Seat Selection Policies by Major Airline (2026)

United Airlines

• Free for many standard economy seats; fees apply for 'Preferred' or E+ seats.

• No free selection; fees allowed for purchase during booking or check-in.

• Automated tool helps sit families with kids under 12 together for free.

Southwest Airlines (New Policy)

• Assigned seating now standard; free selection available for certain fare classes.

• Transitioned away from 'open seating' in 2025 to a structured assigned model.

• Low-to-moderate fees for 'Extra Legroom' or 'Front of Cabin' spots.

Delta Air Lines

• Free for standard seats in Main Cabin; fees for Comfort+ or exit rows.

• Seat assigned after check-in; usually no option to pay to change it.

• High priority on keeping groups together during the automated assignment phase.

The Holiday Booking Headache

Mark, a software engineer in Chicago, was booking a flight to New York for Thanksgiving 2026. He was shocked to see seat selection fees starting at $45 for a 2-hour flight. He felt pressured to pay, fearing he would be separated from his young daughter.

He initially tried to pay for two seats, but the total added nearly 20% to his ticket price. He felt frustrated and almost cancelled the booking, believing the airline was 'nickel and diming' his holiday budget.

After reading a travel blog, Mark realized he could skip the selection. He learned that major US airlines now prioritize keeping children with parents during check-in for free. He decided to take the risk and save the money for his trip instead.

He checked in exactly 24 hours before the flight. To his relief, the system automatically assigned them seats 12A and 12B. He saved $90 total and realized that early check-in is the real secret to avoiding fees.

The Business Trip Gamble

Sarah, a consultant in Chicago, had to book a last-minute flight to New York. The only available 'standard' seats left on the map were middle seats for a $30 fee, which seemed like a waste of company money.

She decided to skip selection entirely. However, as the flight approached, she became anxious about being stuck in the back row between two strangers, which would make it impossible to work on her laptop.

The breakthrough came when she checked the seat map again 4 hours before the flight. A few 'Premium' seats had opened up because elite members were upgraded. She did not click them - she just waited for the gate agent.

At the gate, the flight was overbooked in economy. Because she had no seat, the agent moved her to a remaining Economy Plus seat for free. She landed with a finished presentation and an extra $30 in her pocket.