Best discount codes for international trip (2026)

Codes that work outside the US — international hotels and rental companies with global presence.

Hotel codes for international trip

Chain	Code	Why it works
Marriott	`MMM (3M)`	3M code works at Marriott properties in 130+ countries. Most globally accepted corporate code.
IHG	`IBM`	IBM code accepted at Holiday Inn and Crowne Plaza internationally — strong in Europe and Asia.
Hilton	`00017500 (AAA)`	AAA code works at international Conrad, Waldorf, and DoubleTree properties.

Company	Code	Why it works
Sixt	`Sixt Gold (status match)`	Sixt dominates European rentals. Status match to Gold for BMW/Mercedes fleet in EU.
Hertz	`CDP 2031294 (AAA)`	Hertz global network accepts AAA CDP in US, Canada, Europe, and Australia.
Enterprise	`XZ24A70 (AAA)`	Enterprise operates in 90+ countries. AAA CDP accepted at most international locations.

Marriott's 3M code is the most globally accepted corporate code — works in 130+ countries.
For European rentals, Sixt is king. Status match to Gold before your trip for premium fleet access.
AAA codes work internationally at Hertz and Enterprise — but verify acceptance at your specific country.
Book international hotels with free cancellation — plans change and currency fluctuations can make rebooking cheaper.

Which corporate code works best internationally?

Marriott's 3M (MMM) code is accepted in 130+ countries. For rentals, Hertz AAA CDP has the widest global network.

Do US corporate codes work in Europe?

Yes. Marriott, Hilton, IHG, Hertz, and Enterprise all accept US corporate codes at international locations. Sixt is the European specialist.

Best rental company for European road trips?

Sixt — largest premium fleet (BMW, Mercedes, Audi), best airport locations in EU. Status match to Gold for upgrades.

Are hotel prices cheaper booking from the US?

Not always. Some international Marriott/IHG properties show different rates based on booking country. Compare US site vs local site.