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A first checked bag runs about $35–$40 on most US carriers domestically, with ultra-low-cost carriers pricing dynamically and raising the price at every stage from booking to the gate. Weight limits are usually 50 lbs, but Spirit and Frontier cap at 40 lbs — the most common source of unexpected overweight charges.
Key Travel Facts & Insights
On domestic US itineraries a first checked bag is typically $35–$40 and a second $45–$50, with a discount for pre-paying online. Ultra-low-cost carriers price bags dynamically by route and demand, and the price escalates at every stage: booking, online check-in, airport counter, then gate.
That escalation is deliberate and steep. On Spirit or Frontier the gate price can be several times the booking price, which is why buying every bag you need at the moment of booking is the single largest avoidable cost on those carriers.
The standard checked bag limit is 50 lbs (23 kg) and 62 linear inches — length plus width plus height. Exceed either and a surcharge applies, and the two surcharges stack on the same bag.
Spirit and Frontier set the weight limit at 40 lbs rather than 50. That ten-pound gap catches out travellers who packed to the industry standard, and it is charged at the counter with no discretion.
Gulf and Asian carriers frequently use a total weight concept instead: Emirates allows 25–35 kg total in economy, Singapore 30 kg, regardless of how many bags. Individual bags are still capped at 32 kg for baggage handler safety.
Routes to India, much of Asia, Latin America, Africa and the Middle East commonly allow two checked pieces of 23 kg in economy rather than the one-piece European standard. Air India, Ethiopian, Turkish, ANA, JAL, Korean Air, EVA and Qantas all do this on US routes.
This reflects the heavy family-travel traffic on those corridors and is genuinely generous. If you are comparing a European connection against a Gulf or Asian one, factor the baggage allowance into the price.
Golf bags, skis and snowboards are usually treated as one standard checked bag on US carriers within normal weight limits — a better deal than the oversize charge many travellers expect. Bicycles and surfboards are more variable and frequently attract an oversize fee.
Alaska, Hawaiian, JetBlue and Air New Zealand handle outdoor and water sports equipment particularly well given their markets. Declare anything unusual in advance rather than at the counter.
Typically $35–$40 for the first bag on US domestic itineraries, $45–$50 for the second, with a discount for pre-paying online. Ultra-low-cost carriers price dynamically and the price rises at each stage from booking to the gate, where it can be several times the booking price.
50 lbs (23 kg) at most airlines, and 62 linear inches. Spirit and Frontier cap at 40 lbs, which is the most common cause of surprise overweight charges. Bags over 70 lbs are refused entirely by most carriers, and over 100 lbs universally.
An airline co-brand credit card, if you fly that airline twice a year or more. Most cover the cardholder plus companions on the same reservation, so a family of four saves the annual fee in a single round trip. Elite status and premium cabins also include bags.
Our US travel consultants handle changes, cancellations, refunds and claims directly. No charge to ask.