Here's how best price guarantees really work across the five online travel agencies (OTAs) we monitor β Agoda, Booking.com, Expedia, Hotels.com, and Trip.com β and what it actually takes to collect.
What a best price guarantee promises
The basic promise is simple: if you find the exact same booking for less somewhere else after you've reserved, the site makes up the difference. In practice, "the exact same booking" is doing a lot of work. The lower price has to match your reservation on property, room type, dates, number of guests, cancellation policy, and inclusions like breakfast or Wi-Fi. It has to be publicly available β not a member-only, corporate, or app-only rate β and it has to still be bookable when the site checks it.
Miss any one of those and the claim is denied. That isn't a loophole; it's the design.
How the five OTAs compare
Booking.com is the most flexible on timing. You can submit a price-match claim any time up until 24 hours before arrival, and if it's approved Booking.com refunds the difference β actual money back, not credit. The competing offer must be the same room under the same conditions, online, and available when they verify it, and it can't come from an opaque or suspicious site.
Agoda requires a valid claim before 11:59 PM local hotel time the day before check-in. The lower rate must be publicly available, instantly bookable, and verifiable. Agoda then either updates your booking to the lower rate or refunds the difference β to your card or as AgodaCash. Package rates, member or corporate rates, and prices that differ only because of currency or tax are excluded.
Expedia runs its Hotel Price Guarantee through its One Key rewards program, so you must be a member. According to Expedia's official terms, the claim has to be filed before 12 a.m. (local hotel time) on the day of check-in β you can't claim on the day itself β and every detail must match, including rate plan and change/refund policy. The payout comes as OneKeyCash, not a cash refund. Membership, corporate, coupon, and package rates don't qualify.
Hotels.com is part of the same Expedia Group One Key program, so the mechanics mirror Expedia's. One important change: only members who joined One Key before October 31, 2025 are eligible β anyone who joined on or after that date is not. Hotels.com also won't price-match claims made on the day of check-in, package bookings, or non-public prices.
Trip.com offers a hotel price guarantee that is still in a trial phase in some regions and languages. You submit proof by 11:59 PM hotel local time the day before check-in, Trip.com responds within 24 hours, and an approved difference is credited as Trip Coins β never cash β one working day after you complete your stay. The maximum refundable difference is USD 1,500 per booking, and the match must be exact down to bed type and breakfast.
The catches nobody puts on the badge
Three patterns run through all five.
First, the clock. Every guarantee has a hard deadline tied to check-in, and most cut off the day before. A price that drops the night before your stay may already be too late.
Second, the form the refund takes. Only Booking.com reliably gives you money back. Agoda may hand you AgodaCash, Expedia and Hotels.com issue OneKeyCash, and Trip.com pays in Trip Coins. That's store credit β useful only if you book with them again.
Third, and most important: you have to find the lower price yourself. No OTA watches the market for you. The guarantee sits there as a promise, but it only does anything if you happen to re-check the exact same room, on the right site, before the deadline, and then file the claim with screenshots and a URL.
Why most guarantees never pay out
That last point is why these programs cost the OTAs so little. As pricing gets more personalized and rates turn dynamic, successful claims have become harder to land β small mismatches in cancellation terms or room view sink claims routinely. And the practical hurdle is real: most people stop checking prices after a day or so. The promise mostly shapes where people choose to book, while relatively few travelers ever do the work to claim. The hotel or OTA gets the trust-building "halo" of the guarantee without often having to pay.
How to actually make a guarantee work for you
A best price guarantee is only as good as your ability to catch the drop in time. That's the part we handle.
When you forward your booking confirmation to booking@hotelrefund.net, we monitor that exact room across all five OTAs β Agoda, Booking.com, Expedia, Hotels.com, and Trip.com β around the clock until your check-in date. If the price falls, you get an alert while there's still time to act: file a best-price-guarantee claim before the deadline, or simply rebook at the lower rate if your reservation allows it. Even on a non-refundable booking where you can't change anything, you'll at least know what the room is really worth β useful for your next trip.
It's free, there's nothing to install, and you don't even need an account. Forward one email and let the monitoring run.
π¬ Just spotted a lower price? Forward your confirmation to booking@hotelrefund.net. We'll watch the price across all five major booking sites until your check-in β so you can claim or rebook before the deadline. Free, no signup.