Travel · official-source review · reviewed 2026-10-09
The base fare is not the price when the carry-on policy adds a fee at the gate.
Compare base fare, bag fee, and total trip cost across the fare options you are considering.
Travelers booking basic-economy or budget fares.
Use the source document or official route that applies to your situation. This guide does not contact another person or verify external information.
Read the bag rules shown during booking, not from memory.
Add the bag or carry-on fees the fare actually charges.
Compare total trip cost across the fare options.
Check the oversize and overweight fees before you pack.
A $189 fare with a $45 bag fee totals $234. Compare it against a $229 fare with no bag fee.
Use your own source and details. The example is not a record about a real person or organization.
U.S. Department of Transportation · reviewed 2026-10-09
What this source supports: DOT explains consumer rights for delayed, damaged, and lost baggage, and the rules airlines must follow.
Source limit: Airline tariffs and international conventions change the limits. Read your airline's contract of carriage.
These sources support the statements above. They do not show that every person needs this guide. They do not show a specific result.
This guide totals the numbers you enter. It does not book tickets, read live tariffs, or represent airline rules.
Airline tariffs and international conventions change the limits. Read your airline's contract of carriage.
Use current instructions from the responsible organization. This guide is a planning aid, not an official decision or a substitute for qualified advice.
Add the base fare and the bag fees so the comparison happens on trip totals, not teaser prices.
This App totals the numbers you enter. It does not book travel, query live fares, or interpret airline contracts.
You enter every number yourself. The sources support the method and the limits. They do not produce a result for your specific case. Keep the original documents next to the sheet you build.
The App computes the worked example with your own numbers, in your browser.
APP 1
Add the base fare and the bag fees so the comparison happens on trip totals, not teaser prices.
Free · no account · no upload
Open Carry-On Fee ComparisonThe App runs in this browser. It does not send or save entries. Copy, download, or print only when you choose.
This guide uses short, direct instructions as an ASD-STE100-style writing target. It is not a formal certification.
Companion App: Carry-On Fee Comparison. It runs in this browser and does not upload your entries.
This guide is edited for clarity and checked against the sources it links. It is not a substitute for official instructions or qualified advice. A linked source does not show that every person needs this guide.