Last year we started a once-a-quarter feature on top trafficked sites in various sectors in travel, using monthly data from competitive intelligence metrics service SimilarWeb.

Previously, we have done data dives on top online booking sites from October 2013 data, and then Feb 2014 data.

This ranking below does not account for direct sites of travel brands (airlines/hotels) themselves, which we have done in separate lists previously. Also, our threshold is roughly 5 million visits per month to the online websites of these companies, and does not count any mobile app activity, hence sites like HotelsCombined, Hipmunk, Ostrovok and others don’t show up.

Some observations from data below:

  • We are not combining all companies under one rank (as in all Priceline Group, or Expedia Group), but we’re combining all one-brand specific country sites (brand sites) together (hence all of TripAdvisor country sites are under one ranking).
  • is still killing it, and growing fast as well, despite its gargantuan size.
  • Priceline Group, which includes,, and Kayak sites, is the leader by a huge margin.
  • Expedia brand (all country domain sites together) is third largest, but Expedia Group, which includes, Trivago, Hotwire and Venere, is the second most popular online travel booking company. And since Travelocity is now just a white-label site for Expedia, those 10.6 million visitors could count towards its total, too.
  • TripAdvisor is surely the biggest media-plus-booking site globally, and the second most popular brand if you add up all country-specific sites.
  • Remarkably, Airbnb is now the fifth most popular online travel booking site, and is insanely addictive when you count the time spent on site. Part of it has to do with the design of the site, meant to be browsed more leisurely; the other part is more endemic, where users have to browse more listing in sharing/rentals to come to the right choice.
  • HomeAway and sister site VRBO are in similar category as Airbnb, and as addictive when it comes to time spent on site by users.
  • growth is flat, and Expedia knows it.
  • Skyscanner is now among the top 10 most popular booking brands globally, and it is now making a big push in U.S. as well.
  • MakeMyTrip is now among the top 10 most popular online booking sites globally, and is the only local site to reach that high, showing the potential and size of online travel market in India and beyond. Other Indian sites Cleartrip and Yatra are also in the Top 30 list globally.
  • The shine is off the growth of, the Brazilian hotel booking site, for now, but it is still in the Top 15 most poplar sites.
  • Travelocity is declining, and are we have covered previously, a sitting target to be bought, likely by partner Expedia.
  • Looks like Trivago’s various country sites are now seeing the network effects from being part of Expedia, and its traffic is rising fast.
  •, the enigmatic Greek OTA which has been advertising all over NYC last few months, has now nearly broken into top 30 ranks.
  • AviaSales, the Russian travel search engine, is rising fast in the ranks, after a big capital injection earlier this year.
  • SimilarWeb’s traffic analytics for China and Russia aren’t very robust, and ranks below are likely not indicative of their true size.
  • Any other insights based on this data below? Any other big names we’re missing? Post in comments below.
RankSiteEstimated Desktop Visits in May ’14Time on SitePageviews Per VisitLeading CountryEstimated Visits in Jan. ’14
1.Booking.com210.5 M7:376.36United States 15.83%166 M
2.TripAdvisor Sites159.6 MN/AN/AN/A159.5 M
TripAdvisor.com73.4 M4:443.97United States 64.77%79.6 M M4:593.93United Kingdom 79.96%27.1 M
TripAdvisor.fr12.2 M4:323.98France 63.85%11.5 M
TripAdvisor.it13.7 M5:314.39Italy 92.10%10 M
TripAdvisor.ca7.4 M4:594.17Canada 89.06%8.6 M
TripAdvisor.es7.8 M4:493.69Spain 66.63%6.3 M M4:064.63Brazil 85.60%6 M
TripAdvisor.in7.4 M5:314.12India 91.53%5.8 M
TripAdvisor.de4.2 M4:024.53Germany 67.84%4.6 M
Tripadvisor.jp2.8 M4:024.99Japan 77.07%2.2 M
3.Expedia Sites63.5 MN/AN/AN/A59.3 M
Expedia.com40.6 M6:535.32United States 86.50%41.5 M
Expedia.ca6.1 M7:226.34Canada 91.92%8.2 M M5:544.67United Kingdom 89.70%6.4 M
Expedia.de2.6 M6:035.17Germany 82.51%3.2 M
Expedia.it2.6 M6:265.8Italy 92.81%2.1 M
Expedia.fr2 M4:223.95France 77.26%2 M M5:074.49India 83.44%1.5 M M6:596.35Australia 88.24%2.6 M M6:397.23Japan 81.64%1.35 M
4.Hotels.com34.5 M5:534.82United States 47.70%34.5 M
5.Airbnb Sites32.5 MN/AN/AN/AN/A
Airbnb.com14 M9:5711.27United States 63.34%12.4 M
Airbnb.fr4.6 M0:10:3811.44France 79.04%2.7 M M9:2412.47United Kingdom 87.77%2.9 M
Airbnb.ru3 M0:10:5915.1Russian Federation 79.59%1 M
Airbnb.it2.3 M0:10:5212.36Italy 87.41%1.1 M
Airbnb.es2 M0:11:2612.83Spain 76.95%1.1 M
Airbnb.de2 M9:4310.76Germany 83.95%1.3 M
6.Agoda.com31.6 M7:295.26United States 12.59%30.7 M
7.Priceline.com28 M7:017.87United States 92.40%31.3 M
8.Skyscanner Sites23.4 MN/AN/AN/AN/A
Skyscanner.net7.7 M6:465.18United Kingdom 72.62%9.6 M
Skyscanner.com4 M6:414.98United States 79.56%3.2 M
Skyscanner.ru6.4 M6:435.27Russian Federation 84.44%2.6 M
Skyscanner.it2.7 M6:395.31Italy 85.16%2 M
Skyscanner.es2.6 M7:145.88Spain 60.66%2.1 M
9.Kayak Sites23.2 MN/AN/AN/AN/A
Kayak.com19.7 M6:454.96United States 86.85%24.4 M M6:034.83United Kingdom 87.13%2 M
Kayak.fr1.4 M6:274.91France 80.27%770 K
10.Makemytrip.com18.4 M7:356.09India 79.90%17.5 M
11.Cheapoair.com18 M5:223.77United States 84.81%20.2 M
12.Trivago Sites17.5 MN/AN/AN/AN/A/
Trivago.it4.3 M2:182.43Italy 95.34%1.3 M
Trivago.com4.1 M6:055.68United States 72.08%2.5 M
Trivago.es2.6 M5:234.9Spain 91.19%1.4 M M6:096.59United Kingdom 89.92%2.4 M
Trivago.de2.1 M5:495.01Germany 87.45%2.2 M
Trivago.fr1.8 M1:282.07France 88.00%2.5 M
13.Hotelurbano.com16.6 M1:292.32Brazil 92.71%25.5 M
14.Orbitz.com14.6 M6:574.86United States 89.82%17.2 M
15.Hotwire.com11.2 M5:384.53United States 88.28%13.2 M
16.Travelocity.com10.6 M5:484.855:4815 M
17.Decolar.com9.8 M7:485.91Brazil 96.36%11.3 M
18.Homeaway Sites8.4 MN/AN/AN/AN/A
HomeAway.com6.4 M6:216.22United States 74.07%7.4 M M7:598.43United Kingdom 56.52%1.8 M
19.Travelzoo.com7.7 M4:483.6United States 60.89%12.2 M
20.Aviasales.ru8.3 M5:084.33Russian Federation 82.45%N/A
21.Lastminute.com7.6 M5:375.68United Kingdom 44.62%8.5 M M1:211.79United States 56.00%24.1 M
23.Bookingbuddy.com7.3 M4:034.25United States 69.05%8.2 M
24.Ctrip.com7.3 M8:008.03China 70.71%8.6 M
25.Cleartrip.com7 M6:026.31India 79.27%6 M
26.VRBO.com6.6 M9:3310.64United States 89.12%8.8 M
27.Venere.com6.4 M3:383.63Italy 25.35%5.6 M
28.Onetravel.com6.4 M5:113.92United States 83.43%6.6 M
29.Qunar.com6.3 M6:486.1China 81.11%7.5 M
30.Yatra.com5.6 M7:345.3India 87.46%5.6 M
31.CheapTickets.com5.4 M5:423.95United States 82.08%6.6 M
32.AirFastTickets.com5.4 M3:213.81United States 77.23%1 M