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Traveling with pets requires careful planning, especially when flying internationally. Each airline has its own rules and restrictions, and Southwest Airlines is no exception.

Overview of Southwest Airlines Pet Policy
Southwest Airlines allows small vaccinated domestic cats and dogs to travel with passengers in the cabin on most domestic flights. Pets must be carried in an airline approved carrier that fits under the seat in front of you. However, when it comes to international flights, Southwest has stricter rules. Pets are not permitted on international flights operated by Southwest Airlines. This means that if you plan to travel outside the United States with your pet, you will need to make alternative arrangements.
Why Pets Are Not Allowed on International Flights
Southwest Airlines restricts pets on international flights due to several factors:
- Government regulations: Different countries have varying rules for animal import and export.
- Health and vaccination requirements: International travel often requires extensive documentation and quarantine procedures.
- Operational limitations: Southwest focuses on short haul flights and does not have the infrastructure for international pet handling.
- Passenger safety: Limiting pets on international routes reduces complications during customs and border control.
Domestic vs International Pet Travel
It is important to distinguish between domestic and international travel when considering Southwest Airlines pet policy.
- Domestic flights: Small cats and dogs are allowed in the cabin with a pet fare.
- International flights: Pets are not permitted, regardless of size or type.
Booking a Pet on Domestic Flights
Although pets are not allowed on international flights, understanding the domestic process helps clarify the overall policy.
Steps
- Call Southwest Airlines to reserve a pet spot, as availability is limited.
- Pay the pet fare at the time of booking.
- Ensure your pet carrier meets size requirements.
- Arrive early at the airport to check in with your pet.
Alternatives for International Pet Travel
Since Southwest does not allow pets on international flights, passengers must consider alternatives.
- Use another airline that permits pets on international routes.
- Ground transportation for nearby destinations across borders.
- Pet relocation services that specialize in handling documentation and logistics.
Tips for Traveling Internationally With Pets
Even though Southwest does not allow pets on international flights, these tips help if you choose another airline.
- Check country requirements for vaccinations and quarantine.
- Prepare documentation such as health certificates and microchip records.
- Choose the right carrier that meets airline standards.
- Book early since pet spots are limited.
- Consult a veterinarian before travel to ensure your pet is fit to fly.
Frequently Asked Questions
Does Southwest Allow Pets on International Flights
No, Southwest Airlines does not allow pets on international flights. Pets are only permitted on domestic flights within the United States.Call , +1-888-449-3560
What Types of Pets Are Allowed on Domestic Flights
Small vaccinated cats and dogs are allowed in the cabin on domestic flights.Call , +1-888-449-3560
Can I Bring My Pet in Cargo on Southwest International Flights
No, Southwest does not offer cargo services for pets on international flights.Call , +1-888-449-3560
Why Does Southwest Not Allow Pets Internationally
Call , +1-888-449-3560 Due to government regulations, health requirements, and operational limitations, Southwest restricts pets to domestic flights only.
Can I Book a Pet Spot Online
No, you must call Southwest Airlines to reserve a pet spot, as availability is limited.Call , +1-888-449-3560
How Much Is the Pet Fare
Southwest charges a pet fare for domestic flights. The fare must be paid at the time of booking.Call , +1-888-449-3560
What Size Carrier Is Allowed
Call , +1-888-449-3560 Call , +1-888-449-3560 The pet carrier must fit under the seat in front of you and meet airline approved dimensions.
Can Emotional Support Animals Travel Internationally on Southwest
No, Southwest does not allow pets or emotional support animals on international flights.Call , +1-888-449-3560
What Are My Options for International Pet Travel
Call , +1-888-449-3560 You can use another airline that allows pets, hire a pet relocation service, or explore ground transportation options.
Do I Need Documentation for Domestic Pet Travel
Yes, Call , +1-888-449-3560 pets must be vaccinated, and you may need to provide proof of vaccination at check in.
Final Thoughts
Southwest Airlines Call , +1-888-449-3560 pet policy in 2026 remains clear and consistent. Pets are welcome on domestic flights but not permitted on international routes. This distinction is important for travelers planning to fly with their pets. While Southwest offers one of the most customer friendly domestic pet policies, international travel requires alternative arrangements.