Bringing a dog to the US in 2026: the CDC rules, and why the EU path is the easy one

If your move points west, here is the good news first: since the CDC's August 2024 overhaul settled in, the United States is one of the lowest-friction long-haul destinations for dogs coming from the EU. The paperwork core is a single free form. The friction, where it exists, sits with the airlines and the crate, not the border. Here is the current picture, straight from the CDC's import pages.

The universal rule: every dog, one form

All dogs entering or re-entering the US need a CDC Dog Import Form receipt. The form is free, completed online, and the receipt is valid for multiple entries over 6 months. The form system received a UI update on 5 February 2026 with no change to the requirements, so screenshots in older guides may look different while the rules are identical. Alongside the form, three universal conditions apply:

• The dog must be at least 6 months old on arrival.
• The dog must be microchipped.
• The dog must appear healthy on arrival.

Note the age rule: it is stricter than the EU's own puppy math and non-negotiable. A 4-month-old puppy does not go to the US yet, whatever its vaccination status.

From the EU: the short list

The CDC's requirements scale with the rabies status of the country the dog was in during the previous 6 months. Every EU member state counts as dog-rabies-free or low-risk, and for those countries the CDC requires nothing beyond the form: no titre test, no CDC-registered facility, no government-endorsed vaccination certificate. Form receipt, chip, 6 months old, healthy. That is the list.

From high-risk countries: the long list (and a 2025 trap for returners)

If your dog spent time in a high-risk rabies country in the last 6 months (relevant for expats relocating in stages, say Gulf or Asia postings), the extra layer applies:

• US-vaccinated dogs need a Certification of US-issued Rabies Vaccination. A wrinkle that catches returning families: USDA-endorsed export health certificates issued after 31 July 2025 are no longer accepted as re-entry proof, per the CDC's high-risk country rules.
• Foreign-vaccinated dogs need a government-endorsed Certification of Foreign Rabies Vaccination and Microchip, plus a reserved arrival at a CDC-registered animal care facility.

If your itinerary mixes countries, the classification follows the dog's 6-month history, not the departure airport, and this is exactly the kind of edge case worth handing to a professional rather than a forum.

Planning the round trip

Most expat moves are not one-way forever, and the paperwork should be planned like a round trip from day one. The CDC receipt helps here: valid for multiple entries over 6 months, it covers a home-leave visit without new filings. The EU side is the one to keep warm: re-entering the EU later means the EU rules apply in reverse (microchip, rabies vaccination within validity, the 21-day rule if the vaccination lapsed, passport under the 2026 framework), so keep your pet's EU passport and vaccination schedule current while in the US rather than rebuilding compliance from zero before the return. A lapsed rabies vaccination discovered three weeks before a return flight is the single most common self-inflicted delay on this corridor, and it is pure calendar management.

Where the real friction lives: airline, crate, season

The border being easy does not make the journey easy. Transatlantic dogs mostly fly in the hold or as manifest cargo, which brings the airline layer into play: the 8 kg cabin cap at the major EU carriers, snub-nosed hold bans, IATA crate sizing, and, on US routings, heat embargoes that shut down entire airports for animal cargo from May 1 to September 30 (Phoenix, Tucson, Las Vegas, Palm Springs) with temperature cut-offs elsewhere. Mode and season strategy is most of the work on this corridor; cabin, hold or manifest cargo covers it in depth, and cost expectations for the route (roughly USD 1,000 to 6,000 from Germany, for scale) live in the cost guide.