United Airlines baggage fees and fare rules

IATA: UA
Last verified: 2026-04-27
Answer-first summary
Carry-on allowance

United's main cabin-bag risk is fare-specific: Basic Economy is more restrictive than regular Economy, so do not assume every cheap United fare includes the same overhead-bin access.

Personal item rules

A personal-item-only strategy is safest on Basic Economy. On small United Express aircraft, keep the item soft enough to fit into tighter under-seat spaces.

Checked bag baseline

United's checked-bag model is ticket-date, market, fare, and payment-channel based. In most markets on Economy (non-Basic) tickets purchased on or after April 3, 2026, the first and second checked bags are cheaper when prepaid online than when paid at the airport.

Notable restrictions

Basic Economy is the restriction product: changes and cancellations are listed as not permitted after 24 hours, advance seat assignment starts at USD 15, and preferred seating on Basic starts much higher than the regular Economy preferred-seat starting price.

Last verified note: The newest United checked-baggage facts on this page were last verified on 2026-04-27. The seat-selection and change/cancellation facts currently shown here were last verified on 2025-12-19.
Bag-fee decision engine

Estimate the bag-fee hit before you book.

Use the current published fee rows for United Airlines to test a simple scenario. If the price depends on route, fare, or purchase timing, this module will send you to the full calculator instead of pretending there is one universal fee.

Estimated bag fees: $180 per roundtrip.

Across 2 trips, that is about $360 before elite status, fare bundles, waived bags, or route-specific exceptions.

If an eligible card covers the first checked bag for this party, the modeled first-bag exposure is about $360 per year before annual fees.

Core fee breakdown

Published fee rows below are grouped by fee type and retain the route, fare, and timing limits that matter for booking.

Carry-on rules

See also the broader carry-on fee reference.

When the issue is whether a bag will physically pass at the gate, compare the published rule with sizer enforcement reality.

No dedicated carry-on fee row is shown for this airline yet.

Personal item rules

A personal-item-only strategy is safest on Basic Economy. On small United Express aircraft, keep the item soft enough to fit into tighter under-seat spaces.

Checked baggage fees

See also the checked baggage fee reference. For a side-by-side baseline comparison, review American Airlines, Delta Air Lines, Alaska Airlines, Air Canada.

This site currently includes United cards with published first- and, on some tiers, second-checked-bag benefits on eligible United-operated itineraries. For the card families, companion limits, and card-payment requirement, see the airline credit card baggage benefit reference.

Applies toRegion / routeAmountTimingConditionsSource
Economy (non-Basic)Most markets35.00 USDeach wayFirst checked bag prepaid online $35; $40 at airport for tickets purchased before April 3, 2026, in most marketsSource
Economy (non-Basic)Most markets45.00 USDeach way2nd checked bag prepaid online $45; $50 at airport for tickets purchased before April 3, 2026, in most marketsSource
Economy (non-Basic)Most markets150.00 USDeach way3rd checked bag $150 for tickets purchased before April 3, 2026, in most marketsSource
Economy (non-Basic)Most markets45.00 USDeach wayFirst checked bag prepaid online $45; $50 at airport for tickets purchased on or after April 3, 2026, in most marketsSource
Economy (non-Basic)Most markets55.00 USDeach way2nd checked bag prepaid online $55; $60 at airport for tickets purchased on or after April 3, 2026, in most marketsSource
Economy (non-Basic)Most markets200.00 USDeach way3rd checked bag; tickets purchased on or after April 3, 2026; most marketsSource

Excess and overweight baggage

No dedicated overweight-baggage row is shown for this airline yet.

Oversized baggage

No dedicated oversized-baggage row is shown for this airline yet.

Seat and fare-related fees

See also the seat selection fee reference.

Applies toRegion / routeAmountTimingConditionsSource
Basic EconomyRoute and seat map dependent15.00 USDat booking / manage tripAdvance seat assignment (starting price)Source
EconomyRoute and seat map dependent$29-$299 published range USDat booking / manage tripEconomy Plus seating (per flight, per person); published range $29–$299Source
Economy (non-Basic)Route and seat map dependent24.00 USDat booking / manage tripPreferred seating (starting price)Source
Basic EconomyRoute and seat map dependent136.00 USDat booking / manage tripPreferred seating (starting price)Source

Change and cancellation references

See also the change and cancellation fee reference.

For cancellation, significant schedule change, and refund timing rules in U.S. markets, see the U.S. DOT refund rules reference.

Applies toRegion / routeAmountTimingConditionsSource
Economy (non-Basic)US domestic and international0.00 USDbefore departureNo change fee; fare difference appliesSource
Basic EconomyBasic Economy routesNot permitted USDafter 24hChanges and cancellations not permitted after 24 hoursSource

How to avoid paying this fee

  • Prepay checked bags online when United offers an online-versus-airport difference; the airport amount is higher in the newer most-market pricing.
  • Avoid Basic Economy when you need normal flexibility, advance seat control, or reliable cabin-bag access. The low fare can shift costs into seats and restrictions.
  • Use United's trip-specific bag calculator for markets not covered by the simple most-market pricing, especially international or mixed-itinerary travel.
  • For repeat United travel, check whether a verified United card benefit beats paying cash for checked bags; many United bag benefits depend on using the eligible card correctly.

Fare-class behavior

Basic Economy

Basic Economy is where United's fee stack starts. It allows no changes or cancellations after 24 hours, advance seat assignment starts at USD 15, and Basic preferred seating starts at USD 136.

Economy (non-Basic)

Economy (non-Basic) is the cleaner product if you need normal flexibility. On newer tickets, the first and second checked bags are cheaper online than at the airport, preferred seating starts at USD 24, and no change fee is listed apart from any fare difference.

Economy Plus

Economy Plus is listed separately as a paid seat product with a range of USD 29-299 per flight, per person.

Premium cabins

Use this as an Economy-focused reference; premium-cabin baggage and cancellation rules can follow separate allowance and fare-rule tables.

Real-world scenarios

For international delay and cancellation coverage on itineraries that fall within EU261 scope, see the EU261 passenger rights reference.

Traveling without a checked bag

If you are buying Basic Economy, verify cabin-bag access before relying on the overhead bin. If you are buying regular Economy, the bigger fee exposure usually moves to seats and checked bags.

Checking one standard bag on a U.S. domestic trip

United lists USD 45 prepaid online or USD 50 at the airport for the first checked bag in Economy (non-Basic) on tickets purchased on or after April 3, 2026.

Checking three bags on a newer ticket

United lists USD 200 each way for the third checked bag on tickets purchased on or after April 3, 2026, in most markets, with trip-specific pricing handled in United's baggage fee calculator.

Purchasing a seat on Basic Economy

Advance seat assignment starts at USD 15, while preferred seating starts at USD 136 on Basic Economy.

Changing a non-Basic domestic itinerary

Change pricing is USD 0 for Economy (non-Basic), with fare difference applying.

When fees may not apply

  • Economy (non-Basic) shows no change fee, with fare difference applying.
  • Checked-bag pricing is split by ticket purchase date: pre-April 3, 2026 most-market pricing remains at USD 35, USD 45, and USD 150, while later-ticket pricing moves to USD 45, USD 55, and USD 200 in most markets.
  • United card benefits can offset checked-bag fees, but many United card baggage benefits require paying with the eligible card. Check the card-benefit guide before assuming the waiver applies.

Compare with other airlines

Comparison links below are limited to airlines with closely related fee structures or booking models.

Related guides

Legal Disclaimer

• Information subject to change without notice.
• This site is an independent reference and is not affiliated with any airline.
• Fees are documented only from verifiable, airline-published sources.

This reference reflects the published fee rows and linked source documents available for this airline.