Softwr

Travel · head to head

Kayak vs TripAdvisor

Kayak logo

Kayak

Travel

Travel search app comparing flights, hotels and car hire across other booking sites, owned by Booking Holdings

From
Free
Rated
-
Full reviewWebsite
TripAdvisor logo

TripAdvisor

Travel

Travel reviews and booking app whose revenue comes from advertising and referral commissions to hotels and OTAs

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Kayak it is owned by Booking Holdings, the same parent as Booking.com and Priceline, so its comparison results are not fully independent of its own group's commercial interests.; TripAdvisor review authenticity is an ongoing, not fully solved, problem; both businesses soliciting or buying positive reviews and competitors planting negative ones have been documented issues on the platform.
  • They diverge on capability: Kayak covers Flight, hotel and car comparison, TripAdvisor covers Reviews and ratings.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which Kayak and TripAdvisor actually diverge.

Attributes where Kayak and TripAdvisor differ
AttributeKayakTripAdvisor
Pricing modelFree to users, revenue from referral commissions and advertisingFree to browse, revenue from advertising and referral commissions

Identical on both: starting price (Free), free tier (Yes), platforms (iOS, Android, Web), user rating (Not yet rated), category (Travel).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Kayak

  • Flight, hotel and car comparison
  • Price alerts
  • Price prediction
  • Flexible date search
  • Trip planning tools
  • Explore/anywhere search

Only in TripAdvisor

  • Reviews and ratings
  • Price comparison
  • Viator tours and activities
  • Traveller forums
  • Travellers' Choice awards
  • Trip planning

What people use each for

The jobs each tool is most often brought in to do.

Kayak

  • Comparing flight prices across multiple airlines and booking sites before purchasingnot TripAdvisor
  • Setting a price alert to buy a flight or hotel once the price dropsnot TripAdvisor
  • Searching flexible dates or nearby airports to find a cheaper farenot TripAdvisor
  • Comparing car hire prices across rental companies for a tripnot TripAdvisor

TripAdvisor

  • Researching hotel or restaurant reviews before booking a tripnot Kayak
  • Comparing aggregated hotel prices across multiple booking sites in one placenot Kayak
  • Booking a tour or activity ticket directly through Viator while researching a destinationnot Kayak
  • Reading traveller forum advice for a specific destination before travellingnot Kayak

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Kayak

  • It is owned by Booking Holdings, the same parent as Booking.com and Priceline, so its comparison results are not fully independent of its own group's commercial interests.
  • Some airlines opt out of listing on metasearch sites entirely, so Kayak's results are not a complete view of every available fare in the market.
  • Revenue comes from referral commissions, and prominence in results can be influenced by which suppliers pay Kayak more, not purely by lowest price.
  • The actual booking typically completes on a third party site, so problems with a booking, cancellation or refund are handled by that site's customer service, not Kayak's.
  • Displayed prices can change or fail to match by the time a user reaches the booking site, since Kayak is not always querying live inventory in real time for every listed fare.

TripAdvisor

  • Review authenticity is an ongoing, not fully solved, problem; both businesses soliciting or buying positive reviews and competitors planting negative ones have been documented issues on the platform.
  • Listing prominence and hotel ranking can be influenced by paid advertising and sponsored placement, so a top result is not necessarily the best-reviewed or cheapest option.
  • The actual hotel booking usually completes on a third party OTA or hotel site, so cancellation, refund and customer service issues are handled by that separate company, not TripAdvisor.
  • Restaurant and attraction data can be outdated in smaller or less-visited destinations, with permanently closed businesses sometimes still listed.
  • As a review aggregator whose revenue depends partly on the businesses being reviewed, the same structural tension applies here as with other review-and-advertising platforms.

Pricing, plan by plan

Kayak

Free
  • FreeFree
    • Unlimited search and price alerts
    • No subscription tier

TripAdvisor

Free
  • FreeFree
    • Unlimited browsing, reviews and price comparison

Which should you pick?

Choose Kayak if

  • You need flight, hotel and car comparison.
  • You want to start without paying.
  • You work on iOS, Android, Web.
  • You also want price alerts.
Kayak review

Choose TripAdvisor if

  • You need reviews and ratings.
  • You want to start without paying.
  • You work on iOS, Android, Web.
  • You also want price comparison.
TripAdvisor review

Questions people ask

Is Kayak or TripAdvisor better?
Neither clearly leads. Kayak starts at Free and TripAdvisor at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Kayak or TripAdvisor?
Kayak starts at Free and TripAdvisor at Free.
Does Kayak or TripAdvisor run on more platforms?
Both run on iOS, Android, Web, so platform support will not decide this one for you.
Can I use Kayak for free?
Both have a free tier, so you can try either at no cost before committing.
What is Kayak best used for?
Kayak is most often used for comparing flight prices across multiple airlines and booking sites before purchasing, setting a price alert to buy a flight or hotel once the price drops, searching flexible dates or nearby airports to find a cheaper fare, comparing car hire prices across rental companies for a trip. Of those, comparing flight prices across multiple airlines and booking sites before purchasing and setting a price alert to buy a flight or hotel once the price drops are not what TripAdvisor is typically brought in for.
What can Kayak do that TripAdvisor cannot?
Kayak covers Flight, hotel and car comparison, Price alerts, Price prediction, Flexible date search. TripAdvisor covers Reviews and ratings, Price comparison, Viator tours and activities, Traveller forums.

Answered from the vendors’ own pages

Kayak: Does Kayak charge a booking fee?

No, Kayak itself is free to use; it earns referral commissions from the airlines, hotels and sites it sends bookings to.

TripAdvisor: Are TripAdvisor reviews verified?

No, they are user-submitted and not independently verified, though TripAdvisor runs fraud detection systems to catch some fake or paid reviews.

Kayak: Do I book directly through Kayak?

Usually the booking completes on the airline, hotel or travel site's own platform after Kayak hands off the click, though some direct booking options exist for select content.

TripAdvisor: Does TripAdvisor charge for bookings?

Browsing and reviews are free; TripAdvisor earns money through advertising and referral commissions when users book through linked OTA or hotel sites, or directly through its own Viator tours.

Kayak: Is Kayak owned by an airline or hotel chain?

No, it is owned by Booking Holdings, which also owns Booking.com, Priceline and Agoda.

TripAdvisor: Is ranking purely based on review quality?

No, sponsored placement and paid advertising can affect prominence in results alongside review-based ranking.

Share

Related pages

More on Kayak

More on TripAdvisor

Keep looking

Other head to heads