How much does United Airlines charge for seat selection?

Standard: Free (Economy+) / Not available (Basic Economy). Preferred: $15-$49 (aisle/window, forward cabin). Extra Legroom: $39-$199 (Economy Plus — up to 6 extra inches).

What happens if I don't select a seat on United Airlines?

You'll be assigned a seat at check-in, typically a middle seat in the back of the plane.

United Airlines Seat Selection Guide (2026)

Free standard seat selection for Economy and above at booking. Basic Economy: assigned at check-in (no advance selection).

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Seat Selection Fees

Seat Type	Fee
Standard	Free (Economy+) / Not available (Basic Economy)
Preferred	$15-$49 (aisle/window, forward cabin)
Extra Legroom	$39-$199 (Economy Plus — up to 6 extra inches)
Exit Row	Included in Economy Plus pricing

Free Seat Selection

Yes — Free standard seat selection for Economy and above at booking. Basic Economy: assigned at check-in (no advance selection).

When Can You Select a Seat?

Economy: at booking. Basic Economy: at check-in. MileagePlus Premier members: at booking for all fares.

How to Select Your Seat

During booking on united.com → Select Seats
After booking: united.com → My Trips → Change Seats
United app → My Trips → Seats
At check-in (24 hours before departure)
At airport kiosk or gate

Tips for the Best Seats

Economy Plus seats are free for MileagePlus Premier Gold and above at booking; Silver at check-in
If you don't select a seat, you'll be assigned an available seat automatically at check-in
Consider purchasing Economy Plus for flights over 3 hours for extra legroom
Economy Plus annual subscriptions are available for frequent travelers

Frequently Asked Questions

Is seat selection free on United Airlines?: Free standard seat selection for Economy and above at booking. Basic Economy: assigned at check-in (no advance selection).
How much does United Airlines charge for seat selection?: Standard: Free (Economy+) / Not available (Basic Economy). Preferred: $15-$49 (aisle/window, forward cabin). Extra Legroom: $39-$199 (Economy Plus — up to 6 extra inches).
When can I select a seat on United Airlines?: Economy: at booking. Basic Economy: at check-in. MileagePlus Premier members: at booking for all fares.
What happens if I don't select a seat on United Airlines?: You'll be assigned a seat at check-in, typically a middle seat in the back of the plane.