Thank you for your patience with our recent hold times. We are transitioning to a new phone system that will lead to more convenience and better service during your calls with us, but during the transition you may experience a longer wait. We apologize for any inconvenience and thank you for choosing Grand Circle Travel as your travel partner.

To make a new reservation:

(800) 221-2610

Monday - Friday 9:00 am - 9:00 pm (ET)
Saturday - Sunday 9:00 am - 7:00 pm (ET)

For information on specific departure dates, up-to-the-minute availability, and customized pricing, visit the Dates & Prices section of our website—which can be found within our product pages—to plan your trip and schedule a convenient time for us to call you.
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Frequently Asked Questions

Read answers to commonly asked questions.
Click to view FAQs »

Mailing Address

Overseas Adventure Travel
One Mifflin Place, Suite 400
Cambridge, MA 02138

Media Inquiries

Priscilla O'Reilly
poreilly@oattravel.com
617-346-6841

Using My Account for Faster Service:

Looking for information about your trip but don’t want to wait on the phone? We’ve got you covered with 24/7 online service through your personalized My Account. Here you can make a payment, find full details about your trip, and even check your air itinerary—all in one place, and all within seconds. To make the process even easier, we’ve included answers to the most commonly asked questions—with shortcuts to direct you to the right place.

Open FAQ & Shortcuts

For questions about existing reservations*:

(800) 321-2835

Monday - Friday 9:00 am - 9:00 pm (ET)
Saturday - Sunday 9:00 am - 7:00 pm (ET)

For questions about your trip reservation*, contact us by email at Support@oattravel.com

For questions about your flight arrangements, contact us by email at Air@oattravel.com

*Please note: To help us assist you better, please have your Customer Number and Reservation Number ready when calling, or provide us your Customer Number and Reservation Number when contacting us via email. It may take two to four days to receive a response via email. If you have an urgent question, please call us directly.

For Check Payments

Grand Circle Travel
PO Box 3130
Hicksville, NY 11802-3130

Or Sign in to My Account to pay online