Surf Air Mobility Inc. 美股招股说明书（2026年6月26日版）

This prospectus supplement relates to the issuance of 4,761,905 shares of our common stock, par value $0.0001 per share, asconsideration for license fees and related professional services rendered by Palantir Technologies Inc. (“Palantir”) pursuant to ourexisting software license agreement with Palantir (as amended from time to time, the “License Agreement”). Our common stock trades on the New York Stock Exchange (“NYSE”) under the symbol “SRFM.” On June 23, 2026, the lastreported sale price for our common stock on the NYSE was $1.05 per share. We are an “emerging growth company” as defined under U.S. federal securities laws and, as such, have elected to comply withreduced public company reporting requirements. See “Prospectus Supplement Summary – Our Corporate Information.” Investing in our common stock involves a high degree of risk. See “Risk Factors” beginning on page S-4 of this prospectussupplement and page 8 of the accompanying prospectus, as well as the section captioned “Risk Factors” in our most recentlyfiled annual report on Form 10-K and any subsequent periodic report we file with the Securities and Exchange Commission Neither the Securities and Exchange Commission nor any state or foreign securities commission or regulatory authority hasapproved or disapproved of these securities or passed upon the adequacy or accuracy of this prospectus supplement or theaccompanying prospectus. Any representation to the contrary is a criminal offense. Delivery of the shares of common stock is expected to be made on or about June 24, 2026. The date of this prospectus supplement is June 24, 2026 TABLE OF CONTENTS Prospectus Supplement PROSPECTUS SUPPLEMENT SUMMARYTHE OFFERING Prospectus ABOUT THIS PROSPECTUS SUPPLEMENT This document is in two parts. The first part is this prospectus supplement, which describes the specific terms of this offering. Thesecond part, the accompanying prospectus, gives more general information, some of which may not apply to this offering. In theevent that the description of this offering varies between this prospectus supplement and the accompanying prospectus, you should We have not authorized anyone to provide you with information other than that contained in this prospectus supplement, theaccompanying prospectus or in any free writing prospectus prepared by or on behalf of us or to which we have referred you. Wetake no responsibility for, and can provide no assurance as to the reliability of, any other information that others may give to you.We are offering to sell, and seeking offers to buy, securities only in jurisdictions where offers and sales are permitted. Theinformation contained in this prospectus supplement is accurate only as of the date of this prospectus supplement, regardless of the No action is being taken in any jurisdiction outside the United States to permit a public offering of our securities or possession ordistribution of this prospectus supplement and the accompanying prospectus in that jurisdiction. Persons who come into possessionof this prospectus supplement and the accompanying prospectus in jurisdictions outside the United States are required to inform PROSPECTUS SUPPLEMENT SUMMARY The items in the following summary are described in more detail later in this prospectus supplement and the accompanyingprospectus. This summary provides an overview of selected information and does not contain all of the information you shouldconsider before buying our securities. Therefore, you should read the entire prospectus supplement and the accompanyingprospectus carefully, including the information in our filings with the SEC incorporated by reference herein, before deciding toinvest in our securities. Investors should carefully consider the information set forth under “Risk Factors” beginning on page S-5 Overview We are a regional air mobility platform that aims to transform regional flying. We currently operate one of the largest commuterairlines in the United States by scheduled departures as well as an expanding on-demand charter marketplace for passengers in theU.S. and globally. Our operations provide scale, distribution and real-world operating data to validate and, eventually, deploy the Our Air Mobility business is an established regional air mobility platform providing scheduled service and an on-demand chartermarketplace to passengers in the U.S. and globally. Current initiatives surrounding our Air Technology business seek to develop We were incorporated in 2021 and became the ultimate parent of both Surf Air Global Limited and Southern Airways Corporationin July of 2023 following our public listing on the NYSE. Our Corporate Information We were originally founded in 2011 and incorporated in 2021 in Delaware. Our principal executive offices are located at 12111 S.Crenshaw Blvd., Hawthorne, CA 90250, and our telephone number is (424) 332-5480.Our website address is www.surfair.com.Our common stock is listed on the NYSE under the symbol