momondo and the Nordic Travel-Search Affiliate Model: A Danish-Founded Company's Own Creator Economics

Short answer

momondo is a Danish-founded (Copenhagen, 2006) travel meta-search engine, not an online travel agency — its own site describes it as a service that "searches and compares real-time prices on flights, hotels and cars" rather than selling the booking itself. Since Booking Holdings (then The Priceline Group) completed its $550 million acquisition of the Momondo Group in July 2017, momondo has been "managed by KAYAK, part of Booking Holdings Inc.," per momondo's own About page today. Its Danish affiliate program has run since 2015 through the network TradeTracker, which describes momondo's own model — per TradeTracker's own case study — as combining a "click-out with a CPS model," a structurally different mechanic from Booking.com's pure per-completed-booking commission. No single global rate or cookie window applies: rates and tracking windows found across other markets and networks (CJ, Webgains) vary too widely to state one figure as "the" momondo rate.

What momondo actually is: a meta-search engine, not a travel agency

momondo's own About page is explicit about what it is not: "momondo is not a travel agency, and doesn't sell tickets — it searches and compares real-time prices on flights, hotels and cars so you can find the cheapest, quickest and best travel deals." That distinction matters for anyone building affiliate or creator content around momondo: a click from momondo's own results page hands the user off to the airline, hotel or a separate booking site to actually complete the purchase — momondo itself never processes the transaction. This is the same meta-search category Booking.com specifically does not sit in — see Booking.com's affiliate program explained for the OTA (online travel agency) side of the comparison, where the booking is completed on Booking.com's own platform.

Ownership: from a Danish start-up to a KAYAK brand under Booking Holdings

momondo's own About page states it was "founded in 2006" and is "based in Copenhagen, Denmark," with an office address at Farvergade 10, 1 DK-1463 Copenhagen K. Per Booking Holdings' own investor-relations announcement, The Priceline Group signed a definitive agreement in February 2017 to acquire the Momondo Group — the parent of both momondo and the flight-comparison site Cheapflights — for approximately $550 million in cash, and completed the acquisition on 24 July 2017. The same announcement states the acquired brands would "roll under The Priceline Group's leading travel meta brand, KAYAK," under KAYAK CEO Steve Hafner's leadership. momondo's own site confirms that structure is still current: "momondo is managed by KAYAK, part of Booking Holdings Inc." A Danish-founded company, in other words, now operates as one of several travel meta-search brands inside a much larger, US-listed group — alongside KAYAK itself, Booking.com, Priceline and Agoda.

The affiliate model: a Danish-specific hybrid, not one global mechanic

momondo's own partner-contact page (momondo.com/partners-contact) does not host an affiliate sign-up flow at all — it routes hotel owners to a separate listings page, advertisers to an "Advertise With Us" page, and marketing/media inquiries to marketingcontact@kayak.com. There is no primary momondo or KAYAK page in this research that states a current affiliate commission rate or cookie window directly. What is confirmed is the network side: per TradeTracker's own published case study, "momondo started the cooperation with TradeTracker in 2015 in DK, and since then expanded to many countries," and momondo's model is described, in TradeTracker's own words, as combining a "click-out with a CPS model" — meaning affiliates are rewarded partly for driving the click-out itself and partly on a cost-per-sale (CPS) basis when a booking actually completes downstream. TradeTracker's own case study reports the combined approach helped increase revenue by 177% across momondo's programs between 2016 and 2017, though that figure describes TradeTracker's own overall book of momondo programs, not a rate any individual Danish affiliate should expect.

Outside Denmark, several secondary affiliate-network directories (not momondo's own pages) describe momondo running separate, market-specific programs through other networks too — including CJ Affiliate and Webgains — with cookie windows that vary sharply by market: some directories cite windows as short as 30 minutes (UK, US, Sweden via Webgains) and others as long as 100 days (Spain via TradeTracker). Per CLAUDE.md's evidence policy, this spread is reported honestly rather than smoothed into one number: momondo's affiliate terms are not one global program with one rate, they are a set of market-by-market network relationships, and the Danish-specific hybrid click-out-plus-CPS model confirmed by TradeTracker's own case study should not be assumed to apply outside Denmark, or vice versa.

momondo vs Booking.com: two different creator economics

The practical difference for a Danish creator: momondo's hybrid model means some reward can come from driving traffic that clicks through, even before any booking completes — a structurally softer bar than Booking.com's model, which pays nothing until a booking is actually finished. That doesn't make momondo's total payout higher or lower than Booking.com's — no confirmed rate exists to compare directly — but it does mean the two require different content strategies, covered in the decision framework below.

Decision framework

IF you're a Danish travel creator and want to confirm momondo's actual current terms before building content around it → apply through TradeTracker specifically, since that's the network confirmed by TradeTracker's own case study to run momondo's Danish program; do not assume a CJ or Webgains listing for another country applies to Denmark.

IF your content is mostly inspirational, early-funnel material (e.g. "cheapest countries to visit this winter") → a hybrid click-out model may reward some of that traffic even without a completed booking, which is a better structural fit than Booking.com's completed-booking-only model for early-stage content.

IF you want a single, predictable percentage to model into a content plan → momondo doesn't currently offer one confirmable figure across markets; treat any rate quoted by a secondary aggregator site as unconfirmed until checked directly inside TradeTracker's own dashboard.

IF you're comparing momondo against other travel-vertical options already covered on the Academy → see Booking.com's affiliate program explained for the OTA side of the comparison, and Zalando and Boozt compared for how a similarly network-run, retail-vertical program handles the same rate-transparency problem.

Worked example (hypothetical)

The figures below are entirely hypothetical and for illustration only — not confirmed rates from momondo, TradeTracker or a Make Influence customer. No current CPS percentage or per-click-out fee for momondo's Danish program is confirmed on a primary source, so no real number can be used here.

Assume a Danish travel creator's content drives 500 click-outs from momondo's search results to airline and hotel booking pages in a month, and, hypothetically, momondo's Danish program pays DKK 1 per click-out plus a hypothetical 3% CPS on any booking that completes downstream and is tracked back to that click. If 400 of those click-outs generate no completed booking and 100 result in bookings averaging DKK 2,000 each: click-out reward = 500 × 1 = DKK 500; CPS reward = 100 × 2,000 × 0.03 = DKK 6,000; total = DKK 6,500. Compare that with a pure completed-booking model like Booking.com's confirmed 4% rate on the same 100 bookings: 100 × 2,000 × 0.04 = DKK 8,000, with zero reward for the other 400 click-outs that never converted. The hybrid model's click-out layer is what changes the shape of the payout — not necessarily the total, which depends entirely on real rates neither program has confirmed publicly for every scenario.

Common mistakes

• Quoting a single "momondo affiliate rate" as if one global figure applies — confirmed sourcing shows a market-by-market spread, not one number.
• Assuming momondo is the same kind of program as Booking.com's because both are now part of Booking Holdings — one is a meta-search click-out-plus-CPS model, the other is a pure completed-booking commission.
• Applying through the wrong network for Denmark — TradeTracker is the network confirmed for momondo's Danish cooperation since 2015; a CJ or Webgains listing seen for another country is not automatically the same Danish program.
• Treating momondo.com/partners-contact as an affiliate sign-up page — it routes to hotel-listing, advertising and marketing contacts, not an affiliate application.

Make Influence's perspective

Make Influence doesn't run momondo's affiliate program, and travel isn't a vertical we currently have a documented customer case in. Our operational read, having now reviewed both momondo and Booking.com for the Academy, is that a hybrid click-out-plus-CPS model is a genuinely different creative brief from a pure commission model: it can justify inspirational, top-of-funnel content in a way a completed-booking-only program can't, because some value is captured even from a reader who clicks through and doesn't book immediately. A Danish travel creator weighing the two isn't just picking a rate — they're picking which stage of the travel-planning funnel their content is actually built for.

FAQ

Is momondo a Danish company?

It was founded in Copenhagen in 2006 and is still based there per its own About page, but it's now owned and managed by KAYAK, part of the US-listed Booking Holdings group, following a 2017 acquisition.

Does momondo sell flights and hotel bookings directly?

No — momondo's own About page states directly that it "is not a travel agency, and doesn't sell tickets." It compares prices and hands the booking off to another site.

What commission does momondo's affiliate program pay?

No single confirmed global rate exists. TradeTracker's own case study confirms momondo's Danish program (since 2015) uses a hybrid click-out-plus-CPS model, without stating a specific percentage; other markets and networks (CJ, Webgains) show cookie windows and figures that vary too widely to treat as one program.

Is momondo the same company as KAYAK?

No, but they're related — momondo's own site states it is "managed by KAYAK, part of Booking Holdings Inc.," following Booking Holdings' 2017 acquisition of the Momondo Group. They remain separate, distinctly branded meta-search products.

How is momondo's affiliate model different from Booking.com's?

Booking.com pays a confirmed percentage only on a completed booking, via CJ or Awin. momondo's Danish program, per TradeTracker's own case study, combines a click-out reward with a cost-per-sale (CPS) component — a structurally different mechanic. See Booking.com's affiliate program explained for the full Booking.com breakdown.

Which network should a Danish creator apply through for momondo?

TradeTracker, per TradeTracker's own published case study confirming the Denmark-specific cooperation since 2015. Listings for momondo on other networks (CJ, Webgains) are generally tied to other countries' programs, not confirmed as the same Danish arrangement.

Is this the same kind of open-vs-application question as other affiliate programs on the Academy?

Broadly yes — see open vs. application-only affiliate programs for the general framework; momondo's Danish program running through a single named network (TradeTracker) rather than a self-serve momondo.com sign-up page fits the network-mediated pattern described there.

Can a brand run a similar hybrid click-out-plus-CPS model itself?

The building blocks are the same as in choosing an affiliate tracking network and affiliate influencer marketing in Denmark — momondo's specific hybrid combination isn't unique technology, but confirming a network actually supports both a click-out fee and a CPS layer at once is a real setup question to check before assuming it's possible.

Is there a brand-direct alternative to an OTA or meta-search program?

Yes — some airlines and hotel chains run their own affiliate program instead. See airline and hotel direct affiliate programs vs OTAs for how a hotel chain's own program (Hilton, confirmed via Awin) compares with momondo's and Booking.com's models.