Your budget. Your choices.

A cheaper flight isn't always a cheaper trip.

Compare two sets of prices against the same hard budget. See what fits your numbers, what needs to change, and what to verify before you book.

Fictional examples, not available offers. Replace every price with your own quote in US dollars. No live prices, destination search or availability check. Fitting the arithmetic does not mean a trip is available to book.

1. Keep your hard constraints in view

Travelers (adults + children)Hard total trip budget ($)Chosen contingency on all included costs (%)

One party size, one hard budget and one contingency apply to both scenarios. They never change when you try a shorter trip. Enter a zero contingency only if you intend to model no buffer.

2. Enter two quotes or hypothetical scenarios

All figures must use the same currency. Nights + 1 = allowance days here, including both travel days. Per-night lodging covers all rooms for the whole party; airfare/transport covers everyone, round trip. Enter taxes and fees in the matching quote or extras, never both. If a bundle includes meals or transport, remove those duplicated amounts from the other fields. Mixed-age meal costs can use a party-average per-person allowance.

A · Original scenario

Nights awayRound-trip airfare / main transport — entire party ($)Accommodation — all rooms per night ($)Daily allowance — per person per day ($)One-time extras — entire party ($)

B · Comparison scenario

Nights awayRound-trip airfare / main transport — entire party ($)Accommodation — all rooms per night ($)Daily allowance — per person per day ($)One-time extras — entire party ($)

Daily allowance may include meals, local transport and activities not counted elsewhere. One-time extras may include baggage, transfers, resort fees, insurance or other costs you choose to include. These are input categories, not claims that any provider charges a particular fee.

Your quote-based comparison

A · Original

B · Comparison

All-in modeled costs in US dollars
Cost or constraint	A · Original	B · Comparison

What changed?

3. Choose an alternative to test—not a new booking

This optional action copies A's unit prices into B and sets B to one fewer night and allowance day than A. It changes duration, not your party size or hard budget. It does not find a matching quote or assume your dates are flexible.

You can instead manually change B's quote or spending categories after checking real options: a different accommodation quote, fewer paid activities, or different travel dates. Check what changes with the quote; cheaper transport may have different baggage, transfer or cancellation costs. No option is selected for you.

No purchase is also a valid next step

Keep your current plan unscheduled while you collect quotes; there is no need to book to use this tool.
Explore a day at home, a local outing, or free activities and enter their actual travel and other costs. “Free activity” does not mean the whole trip is free.
If no checked option fits, keep the hard cap and save toward a later trip using the travel savings calculator.

The calculator processes inputs in your browser, without saving them or adding them to a URL. Downloads contain your entered numbers; keep them private if needed. Other site resources and external links follow our privacy notice.

Before treating a quote as bookable

Confirm exact dates, traveler ages, party size, room count, occupancy and length of stay directly with the provider.
Check the final checkout total, currency, taxes, mandatory charges, baggage and transfer costs; avoid counting an included item twice.
Check payment timing, deposits, cancellation/change conditions and any eligibility restrictions.
Check that every component is still available together before making a commitment. This calculator does not hold prices or inventory.
Record the quote date privately; replace stale inputs before deciding. A contingency is only your selected buffer, not a guarantee.

Optional: look for quotes elsewhere

Affiliate disclosure: We may earn a commission if you book through the Expedia link below. You can compare directly with providers or use any other service instead; compensation does not change the arithmetic or rank your scenarios.

Open Expedia to check quotes (affiliate link)

This is a generic link, not a prefilled search. Your budget, dates, party size and calculator inputs are not transferred. No matching quote, price, availability or saving is promised. Booking occurs with the external provider under its terms.

Transparent arithmetic & limitations

Allowance days = nights + 1. Accommodation = nightly all-room price × nights. Daily costs = daily per-person allowance × party size × allowance days. Base total = round-trip party transport + accommodation + daily costs + one-time extras. Contingency = base total × selected percentage, rounded to the nearest cent; all-in total = base total + contingency.

Headroom = hard budget − all-in total. The airfare/transport ceiling is the largest whole-cent party transport cost that fits after the other entered costs and rounded contingency. When other costs alone exceed the cap, no nonnegative airfare can make that scenario fit. The extra-night illustration adds one accommodation night plus one daily allowance day for everyone, with unchanged transport, extras and unit prices; real longer-stay quotes may differ.

Money and percentages accept at most two decimal places. Travelers must be 1–100 whole people; nights 0–365 whole nights. Individual quote fields are limited to $1 million and the hard budget to $100 million. Contingency accepts 0–100%. These are software limits, not suggested spending. Zero nights models one allowance day, not a zero-cost trip.

All prices are supplied by you. No currency conversion, destination suitability, travel-document requirements, live inventory, tax calculation, dynamic pricing or personalized financial recommendation is provided. Independent scenarios do not certify that every component can be purchased together. No claim of being the first or only tool of this kind.

Methodology reviewed October 25, 2026. Educational resources, not personalized financial or travel advice. Your information. Your decision.