[American Astronomical Society](https://aas.org)

May 2026 | September 2026

Covers airfare for international science meetings; typical awards cover direct travel costs only.

Supports US-based researchers’ airline travel to international scientific meetings in astronomy and astrophysics.

Funding is for airfare only (generally must use US flag carriers); not for AAS meetings.

--- ## Description The American Astronomical Society (AAS) International Travel Grants program, funded by the National Science Foundation, provides support for airline travel to international science meetings for individuals at US institutions. The program prioritizes early-career scientists, those from smaller or underserved institutions, and applicants whose participation enhances US visibility at the meeting. Grants are intended to help researchers present their work, build collaborations, and participate in the global scientific community. --- ## Due Dates - **Anticipated deadlines:** May 2026 and September 2026. - May deadline: For travel between June and November of the same year. - September deadline: For travel between November of the same year and June of the following year. *All dates are projected based on the annual cycle; check the program page for updates.* --- ## Funding Amount - Awards typically cover the cost of round-trip airfare between the US and the international meeting location. - Funds may only be used for airfare (not baggage fees, in-flight meals, or other expenses). - Travel must generally be on US flag carriers, except in limited circumstances. --- ## Eligibility - Applicants must be currently employed in the US or at a US institution. - AAS membership is **not** required. - Priority is given to: - Early-career scientists - Scientists from smaller institutions or underserved populations - Applicants whose participation is important for US visibility - Not available for travel to AAS or AAS Division meetings, even if held outside the US. - NSF considers Puerto Rico a qualifying location for this program. --- ## Application Process - Applications are submitted online via the AAS portal. - Required materials include: - Completed application form - Accurate airfare price quote (using a US flag carrier) - For graduate students: a letter of recommendation from an advisor - Applicants should justify the importance of their participation and detail unsuccessful funding attempts from other sources if applicable. - Final reports are required after travel, outlining meeting content, participation, and benefits. --- ## Additional Information - Recipients are expected to comply with reporting requirements and acknowledge the grant in any related publications. - Travel is at the recipient’s own risk; review current travel advisories and health guidance before departure. - Interim proposals outside the standard deadlines may be considered in exceptional cases. --- ## External Links - [AAS International Travel Grants Program Overview](https://aas.org/grants-and-prizes/international-travel-grants) - [Application Instructions and Form](https://aas.org/content/international-travel-grant-application) - [General Funding Opportunities at AAS](https://aas.org/subjects/general-funding-opportunities?page=0) - [US Department of State Travel Advisories](https://travel.state.gov/content/travel/en/traveladvisories/traveladvisories.html/) - [CDC Travel Health Notices](https://www.cdc.gov/coronavirus/2019-ncov/travelers/map-and-travel-notices.html) --- ## Contact Information | Contact | Email | Phone | Address | |------------------------|------------------------------|------------------|-------------------------------------------------| | AAS Grants Office | [grants@aas.org](mailto:grants@aas.org) | +1 202-328-2010 | 1667 K Street NW, Suite 800, Washington, DC 20006 | For additional questions, visit the [AAS contact page](https://aas.org/contact).

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