When was Kayak founded?

Kayak was founded in 2004 and raised its 1st funding round within a year of its incorporation.

Where is Kayak located?

Kayak is headquartered in Norwalk, United States.

How many employees does Kayak have?

As of Aug 31, 2026, the latest employee count at Kayak is 1122.

Is Kayak a funded company?

Kayak is a funded company, having raised a total of $223M across 4 funding rounds to date. The company's 1st funding round was a $***** Series A round, raised on Jan 01, 2004.

How much is Kayak worth?

The last known valuation of Kayak was $***** as of Nov 08, 2012.

When was the latest funding round of Kayak?

Kayak's latest funding was a $***** Series D round on Dec 21, 2007, with participation from 9 investors.

What is the annual revenue of Kayak?

Annual revenue of Kayak is between $100M and $500M as on Dec 31, 2012

Where does Kayak rank among its competitors?

Kayak ranks 1st amongst 375 active competitors, of which 13 are funded. It stands 1st in terms of total funding among its competitors. The most recent competitor to raise funding was Aviasales, which secured $43M in Aug, 2021.

Who are the top competitors of Kayak?

Kayak's top competitors include Wego, Skyscanner and SideStep. Among them, Aviasales secured the most recent funding round in August, 2021.

Kayak - 2026 Company Profile, Team, Funding, Competitors & Financials

Q: Is Kayak an acquired company?

Kayak got acquired by Booking on Nov 08, 2012.

Company Details

Kayak is an online metasearch platform for travel services. It scans numerous travel websites for information on flights, hotels, car hires and holiday deals, in order to facilitate travel service comparison, selection and bookings for travellers. It operates across multiple locations like Sao Paulo, Miami, Taipei and Copenhagen.

Website: www.kayak.com/
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Key Metrics

Founded Year

2004

Location

Norwalk, United States

Stage

Acquired

Total Funding

$223M in 4 rounds

Latest Funding Round

Series D, Dec 21, 2007, $*****

Last Known Valuation

$***** as on Nov 08, 2012

Investors

SVB & 13 more

Ranked

1^st among 375 active competitors

Annual Revenue

$100M - $500M as on Dec 31, 2012

Employee Count

1,122 as on Aug 31, 2026

Investment & Acquisitions

SABEResPODER & 6 more

Similar Companies

Wego & 596 more

Exit Details

Acquired by Booking (Nov 08, 2012)

View Kayak's full profile

Kayak is associated with 3 legal entities given below:

Legal Entity Name	Date of Incorporation	Revenue	Latest Employee Count	Documents
Kayak Software Corp CIN: 1312928 , United States, Active		$100M - $500M (As on Dec 31, 2012)	-	-
KAYAK SOFTWARE CORP CIN: 461870460 , United States, Active	Dec 31, 1999	-	331 (As on Dec 31, 2020)	-
KAYAKO HELPDESK PRIVATE LIMITED CIN: U72900PB2012PTC036014 , India, Active	Mar 05, 2012	0 - ₹10 Cr (As on Mar 31, 2025)	-

Kayak got acquired by Booking on Nov 08, 2012 at an acquisition amount of $*****.

Click here to take a look at Kayak's acquisition in detail

Kayak has raised a total funding of $223M over 4 rounds. Its first funding round was on Jan 01, 2004. Its latest funding round was a Series D round on Dec 21, 2007 for $*****. 9 investors participated in its latest round. Kayak has 14 institutional investors.

Here is the list of recent funding rounds of Kayak:

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Date of Funding	Funding Amount	Round Name	Post-Money Valuation	Revenue Multiple	Lead Investors	Other Investors
Dec 21, 2007	7817148	Series D	4006615	6300627	9115754	9406995
May 01, 2006	4869957	Series C	9605346	9831100	6575205	Accel
Dec 01, 2004	4493292	Series B	6798995	4625575	7394379	AOL & 2 more

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View details of Kayak's funding rounds and investors

The founders of Kayak are Paul English and Steve Hafner.

Here are the details of Kayak's key team members:

Paul English: Co-Founder of Kayak and founder of 6 other companies, including Boston Venture Studio, KAYAK and KAYAK. They are also an angel investor in 9 startups.
Contact Info: 2 email addresses
Steve Hafner: CEO and Co-founder of Kayak. They serve on the board of 1 company.
Contact Info: 1 phone number

View details of Kayak's Founder profiles and Board Members

Kayak's employee count trend

Kayak has 1,122 employees as of Aug 26. Here is Kayak's employee count trend over the years:

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Top competitors of Kayak include Wego, Skyscanner and SideStep. Here is the list of Top 10 competitors of Kayak, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	Kayak 2004, Norwalk (United States), Acquired	Online metasearch platform for travel services	$223M	Sprout Capital Partners, Tenaya Capital & 12 others	85/100
2nd	Wego 2005, Singapore (Singapore), Series C	Online platform for discovering multiple categories of travel services	$65M	MBC Group, Crescent Point & 14 others	74/100
3rd	Skyscanner 2003, Edinburgh (United Kingdom), Acquired	Online meta-search platform for booking multiple categories of travel services	$203M	Scottish Equity Partners, Baillie Gifford ... & 12 others	72/100
4th	SideStep 1999, Santa Clara (United States), Acquired	Meta-seasrch for flights, hotels & rental cars	$32.2M	Norwest, Tenaya Capital & 6 others	58/100
5th	Momondo 2006, Copenhagen (Denmark), Acquired	Online meta-search engine for travel bookings	-	Nordic Makers, SVB & 1 others	56/100
6th	Aviasales 2007, Thailand, Series C	App-based meta-search platform for booking travel services	$43M	Elbrus Capital, JointJourney & 2 others	54/100
7th	Liligo 2006, Paris (France), Acquired	Online travel metasearch	$3.81M	Orkos Capital, Alven	53/100
8th	Skyscanner India 2003, Gurugram (India), Funding Raised	-	-	Barclays, Global Founders Capital & 4 others	49/100
9th	Cheapflights 1996, London (United Kingdom), Funding Raised	Meta-search platform for travel bookings	-	ennea capital partners	47/100
10th	Hipmunk 2010, San Francisco (United States), Acqui-Hired	Travel metasearch platform for travelers	$55.4M	Ignition Partners, Oak Investment Partners ... & 13 others	46/100

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Looking for more details on Kayak's competitors? Click here to see the top ones

Kayak has made 4 investments in companies including SABEResPODER and SABEResPODER. Kayak has also acquired 3 companies including Mundi and Swoodoo.

Here is the list of investments & acquisitions:

Filter this list

Date of Investment/Acquisition	Type	Company Name	Founded Year	Location
Dec 02, 2021	Investments	SABEResPODER	2005	Los Angeles (United States)
Dec 02, 2021	Investments	SABEResPODER	2005	Los Angeles (United States)
Dec 02, 2021	Investments	Life House	2017	New York City (United States)