{"id":348190,"date":"2026-07-23T17:32:04","date_gmt":"2026-07-23T10:32:04","guid":{"rendered":"https:\/\/esim.holafly.com\/?p=348190"},"modified":"2026-07-23T17:32:04","modified_gmt":"2026-07-23T10:32:04","slug":"optus-roaming-singapore","status":"publish","type":"post","link":"https:\/\/esim.holafly.com\/en-au\/blog\/optus-roaming-singapore\/","title":{"rendered":"Optus roaming in Singapore: Passes and charges"},"content":{"rendered":"\n<p>If you are an Optus customer in Australia traveling to Singapore, you can stay connected using your regular SIM card. Since this country is included in the eligible Optus roaming zones, you can use Optus roaming in Singapore.&nbsp;<\/p>\n\n\n\n<p>This guide covers all you need to know about <strong>Optus $5 and $10 roaming passes and international roaming packs in Singapore.<\/strong><\/p>\n\n\n\n<p>Then, if it doesn&#8217;t suit your trip length or data needs, consider Holafly <a href=\"https:\/\/esim.holafly.com\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>travel eSIM<\/strong><\/a> as an alternative to Optus in Singapore, <strong>offering unlimited data, flexible plan durations, and 24\/7 customer support.<\/strong><\/p>\n\n\n  <div class=\"sidebar-blog banners-blog-wide invert-banner\">\n    <div\n      class=\"sidebar-blog-widget text-color-white \"\n              style=\"background-color: #E12B57\" >\n      <div>\n                              <div class=\"illustration\">\n              <img decoding=\"async\" src=\"https:\/\/media.holafly.com\/sites\/1\/2024\/11\/With-eSIM-CTA-illustration.svg\" alt=\"\">\n            <\/div>\n                        <\/div>\n      <div>\n                  <div class=\"title\">\n            <p>Avoid hidden data costs<\/p>\n          <\/div>\n                          <div class=\"description\">\n            <br \/>\nGet the full price upfront with a Holafly eSIM for Singapore. Enjoy unlimited data at no extra cost.<br \/>\n          <\/div>\n                                              <button class=\"btn-primary-l cta-primary\">\n              <a target=\"_blank\" href=\"https:\/\/esim.holafly.com\/esim-singapore\/\">Buy Holafly Singapore eSIM<\/a>            <\/button>\n                                <\/div>\n    <\/div>\n  <\/div>\n  \n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">In this article<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/esim.holafly.com\/en-au\/blog\/optus-roaming-singapore\/#What-is-the-Optus-roaming-country-zone-for-Singapore\" >What is the Optus roaming country zone for Singapore?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/esim.holafly.com\/en-au\/blog\/optus-roaming-singapore\/#Optus-postpaid-roaming-pass-for-Singapore\" >Optus postpaid roaming pass for Singapore<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/esim.holafly.com\/en-au\/blog\/optus-roaming-singapore\/#Optus-prepaid-international-roaming-packs-for-Singapore\" >Optus prepaid international roaming packs for Singapore<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/esim.holafly.com\/en-au\/blog\/optus-roaming-singapore\/#Optus-standard-roaming-rates-for-Singapore\" >Optus standard roaming rates for Singapore&nbsp;<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/esim.holafly.com\/en-au\/blog\/optus-roaming-singapore\/#How-to-activate-Optus-roaming-for-Singapore\" >How to activate Optus roaming for Singapore<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/esim.holafly.com\/en-au\/blog\/optus-roaming-singapore\/#Stay-connected-in-Singapore-with-Holafly\" >Stay connected in Singapore with Holafly<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What-is-the-Optus-roaming-country-zone-for-Singapore\"><\/span>What is the Optus roaming country zone for Singapore?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Since Singapore belongs to <strong>Optus Roaming Zone 1<\/strong>, <a href=\"https:\/\/esim.holafly.com\/roaming\/optus-international-roaming\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Optus international roaming<\/strong><\/a> works in this country. So, when you land in Singapore, you can simply turn on your phone and make calls or use data without having to purchase a <a href=\"https:\/\/esim.holafly.com\/sim-card\/singapore-sim-card\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Singapore SIM card<\/strong><\/a>.<\/p>\n\n\n\n<p>Optus coverage is provided via local partner networks in Singapore, such as <a href=\"https:\/\/esim.holafly.com\/reviews\/singtel-tourist-sim\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Singtel<\/strong><\/a> and <a href=\"https:\/\/esim.holafly.com\/reviews\/starhub-tourist-sim\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>StarHub<\/strong><\/a>.\u00a0<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Optus-postpaid-roaming-pass-for-Singapore\"><\/span>Optus postpaid roaming pass for Singapore<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Optus offers two roaming plans for its postpaid customers, <strong>including the $5 Daily Roaming Pass for recent postpaid plans and the $10 Daily Roaming Pass for older plans.<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Optus $5 roaming pass for Singapore&nbsp;&nbsp;<\/h3>\n\n\n\n<p>Optus $5 roaming pass <strong>includes 5 GB of data and unlimited calls and SMS to use in one day<\/strong>. It will be added to your monthly bill and only charges on the days you use Optus roaming in Singapore.&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Available for: <\/strong>Optus Choice Plus, Optus Plus Family, Optus Plus Promo, Optus Choice Plus Data, Optus Plus Kids, Business Choice Plus, Business Choice Data Plus, Business Teams Plus, Qantas plans.<\/li>\n\n\n\n<li><strong>Price:<\/strong> $5 per 24 hours (charged only on days used).<\/li>\n\n\n\n<li><strong>Inclusion:<\/strong> 5 GB data per day, unlimited standard talk, and SMS.<\/li>\n\n\n\n<li><strong>Note<\/strong>: This plan activates automatically when you make a call or use data in Singapore.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Optus $10 roaming pass for Singapore<\/h3>\n\n\n\n<p>The $10 roaming pass <strong>includes 1 GB of data per day and unlimited calls and SMS.<\/strong> It also charges on the days you use Optus roaming in Singapore.&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Available for:<\/strong> Older postpaid plans, Non-Choice Plus plans.<\/li>\n\n\n\n<li><strong>Price:<\/strong> $10 per 24 hours.<\/li>\n\n\n\n<li><strong>Inclusion:<\/strong> 1 GB data per day, unlimited standard talk &amp; SMS.<\/li>\n\n\n\n<li><strong>Note<\/strong>: If you are not sure whether 1 GB of data is enough for one day, use our <a href=\"https:\/\/esim.holafly.com\/tools\/data-usage-calculator\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>data usage calculator<\/strong><\/a><strong> <\/strong>to estimate your daily usage.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Optus-prepaid-international-roaming-packs-for-Singapore\"><\/span>Optus prepaid international roaming packs for Singapore<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Prepaid customers need to purchase an international roaming pack before their trip to Singapore. Otherwise, they will be charged at standard roaming rates, which can become very expensive quickly.&nbsp;<\/p>\n\n\n\n<p>You can select one of the following packs based on your trip duration:&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Pack Type<\/th><th>Duration<\/th><th>Included Data<\/th><th>Standard Talk<\/th><th>Standard SMS<\/th><\/tr><\/thead><tbody><tr><td>$5 International Roaming<\/td><td>1 Day<\/td><td>1 GB<\/td><td>25 Mins<\/td><td>50 SMS<\/td><\/tr><tr><td>$25 International Roaming<\/td><td>14 Days<\/td><td>5 GB<\/td><td>50 Mins<\/td><td>50 SMS<\/td><\/tr><tr><td>$45 International Roaming<\/td><td>28 Days<\/td><td>10 GB<\/td><td>100 Mins<\/td><td>100 SMS<\/td><\/tr><tr><td>$75 International Roaming<\/td><td>186 Days<\/td><td>15 GB<\/td><td>100 Mins<\/td><td>100 SMS<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>If you run out of data or other inclusions before the plan expires, you can use the My Optus app to recharge the plan. Always make sure to have the latest version of the app on your phone.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/media.holafly.com\/sites\/1\/2026\/04\/Optus-prepaid-international-roaming-packs-for-Singapore-1024x576.jpg\" alt=\"Optus prepaid international roaming packs for Singapore\" class=\"wp-image-348194\" srcset=\"https:\/\/media.holafly.com\/sites\/1\/2026\/04\/Optus-prepaid-international-roaming-packs-for-Singapore-1024x576.jpg 1024w, https:\/\/media.holafly.com\/sites\/1\/2026\/04\/Optus-prepaid-international-roaming-packs-for-Singapore-300x169.jpg 300w, https:\/\/media.holafly.com\/sites\/1\/2026\/04\/Optus-prepaid-international-roaming-packs-for-Singapore-768x432.jpg 768w, https:\/\/media.holafly.com\/sites\/1\/2026\/04\/Optus-prepaid-international-roaming-packs-for-Singapore-1536x864.jpg 1536w, https:\/\/media.holafly.com\/sites\/1\/2026\/04\/Optus-prepaid-international-roaming-packs-for-Singapore.jpg 1920w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Explore more details about Optus prepaid international roaming packs for Singapore on the official website.<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Optus-standard-roaming-rates-for-Singapore\"><\/span>Optus standard roaming rates for Singapore&nbsp;<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>If no roaming pass or pack is activated, the standard roaming rates apply, which can become very expensive, especially if you use the <a href=\"https:\/\/esim.holafly.com\/internet\/mobile-internet-singapore\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>internet in Singapore<\/strong><\/a> for an extended period.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Postpaid standard rates<\/h3>\n\n\n\n<p>The standard pay-as-you-go roaming rates for postpaid plans are as follows:&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Data:<\/strong> $1.00 per MB.<\/li>\n\n\n\n<li><strong>Talk:<\/strong> $1.50 per minute of making or receiving talk.<\/li>\n\n\n\n<li><strong>SMS:<\/strong> $0.50 per text.<\/li>\n<\/ul>\n\n\n\n<p><strong>Warning:<\/strong> At $1 per MB, <strong>a simple data usage like scrolling Instagram or downloading photos can cost over $100 per day.&nbsp;<\/strong><\/p>\n\n\n\n<p><strong>Note: <\/strong>If you are not eligible to use Optus daily roaming passes, it\u2019s more cost-effective to purchase an <a href=\"https:\/\/esim.holafly.com\/how-to\/what-is-esim\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>eSIM<\/strong><\/a><strong> <\/strong>to <a href=\"https:\/\/esim.holafly.com\/roaming\/how-to-avoid-roaming-charges\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>avoid roaming charges<\/strong><\/a> in Singapore.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Prepaid standard rates<\/h3>\n\n\n\n<p>The standard roaming rates for prepaid customers are applied as follows:&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Data:<\/strong> $0.50 per MB<\/li>\n\n\n\n<li><strong>Talk:<\/strong> $1.00 per minute<\/li>\n\n\n\n<li><strong>SMS:<\/strong> $0.50 per text<\/li>\n<\/ul>\n\n\n\n<p><strong>Warning:<\/strong> At these rates,<strong> navigating Google Maps or uploading a few photos or short videos to social media<\/strong> <strong>can cost over $50 per day. <\/strong>Make sure to purchase a roaming pack before your trip.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How-to-activate-Optus-roaming-for-Singapore\"><\/span>How to activate Optus roaming for Singapore<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Whether you are a postpaid or prepaid customer, you can easily activate Optus roaming using the My Optus app.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Postpaid<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Go to the <strong>My Optus app<\/strong>.<\/li>\n\n\n\n<li>Select your mobile service.<\/li>\n\n\n\n<li>Find <strong>International Roaming<\/strong> in the <strong>Settings<\/strong> and turn it on.<\/li>\n\n\n\n<li>Check your eligibility for the $5 or $10 Daily Roaming Passes.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Prepaid<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Go to the <strong>My Optus app<\/strong>.&nbsp;<\/li>\n\n\n\n<li>Find <strong>Add-ons<\/strong> and select <strong>International Packs<\/strong>.&nbsp;<\/li>\n\n\n\n<li>Choose your preferred pack and make the payment.&nbsp;<\/li>\n<\/ul>\n\n\n\n<p><strong>Note:<\/strong> You can recharge an Optus prepaid service by SMS while overseas: <strong>text Menu to 9999<\/strong>, then follow the prompts to recharge with a saved payment method or voucher.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Final steps for both<\/h3>\n\n\n\n<p>Before starting your trip:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Download the latest version of the My Optus app.&nbsp;<\/li>\n\n\n\n<li>Ensure the roaming is enabled on the app.&nbsp;<\/li>\n\n\n\n<li>Make sure to purchase the roaming pack before your trip.<\/li>\n<\/ul>\n\n\n\n<p>While in Singapore:&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Enable <a href=\"https:\/\/esim.holafly.com\/roaming\/what-is-data-roaming\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>data roaming<\/strong><\/a> on your phone.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/media.holafly.com\/sites\/1\/2026\/04\/Holafly-Singapore-eSIM-1024x576.jpg\" alt=\"Holafly Singapore eSIM\" class=\"wp-image-348195\" srcset=\"https:\/\/media.holafly.com\/sites\/1\/2026\/04\/Holafly-Singapore-eSIM-1024x576.jpg 1024w, https:\/\/media.holafly.com\/sites\/1\/2026\/04\/Holafly-Singapore-eSIM-300x169.jpg 300w, https:\/\/media.holafly.com\/sites\/1\/2026\/04\/Holafly-Singapore-eSIM-768x432.jpg 768w, https:\/\/media.holafly.com\/sites\/1\/2026\/04\/Holafly-Singapore-eSIM-1536x864.jpg 1536w, https:\/\/media.holafly.com\/sites\/1\/2026\/04\/Holafly-Singapore-eSIM.jpg 1920w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Get your Singapore eSIM with unlimited data and a hassle-free checkout on the Holafly app.<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Stay-connected-in-Singapore-with-Holafly\"><\/span>Stay connected in Singapore with Holafly<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>It\u2019s always more convenient to use the same SIM on your trips. But if you find Optus roaming in Singapore restrictive or expensive, you can use <a href=\"https:\/\/esim.holafly.com\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Holafly eSIM<\/strong><\/a>. <strong>With unlimited data, flexible plan durations, reliable coverage, and 24\/7 customer support, <\/strong>Holafly lets you stay connected in Singapore without fear of extra charges or losing connection.<\/p>\n\n\n\n<p><a href=\"https:\/\/esim.holafly.com\/esim-singapore\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Holafly Singapore eSIM<\/strong><\/a> ranges from <strong>AU$5.90 to $2.43\/day<\/strong>. <strong>It<\/strong> <strong>gets cheaper as the plan duration increases.&nbsp;<\/strong><\/p>\n\n\n\n<p>For those who would like to travel to another destination after Singapore, or remote workers who would like to travel a lot, <a href=\"https:\/\/esim.holafly.com\/plans\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Holafly Plans<\/strong><\/a> offers a <strong>monthly subscription with reliable coverage in 170+ destinations. <\/strong>Make sure you have an <a href=\"https:\/\/esim.holafly.com\/how-to\/check-phone-esim-compatible\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>eSIM-compatible phone<\/strong><\/a> to use eSIM during your trips.<\/p>\n\n\n  <div class=\"sidebar-blog banners-blog-wide invert-banner\">\n    <div\n      class=\"sidebar-blog-widget text-color-white \"\n              style=\"background-color: #E12B57\" >\n      <div>\n                              <div class=\"illustration\">\n              <img decoding=\"async\" src=\"https:\/\/media.holafly.com\/sites\/1\/2024\/11\/With-eSIM-CTA-illustration.svg\" alt=\"\">\n            <\/div>\n                        <\/div>\n      <div>\n                  <div class=\"title\">\n            <p>Avoid hidden data costs<\/p>\n          <\/div>\n                          <div class=\"description\">\n            <br \/>\nGet the full price upfront with a Holafly eSIM for Singapore. Enjoy unlimited data at no extra cost.<br \/>\n          <\/div>\n                                              <button class=\"btn-primary-l cta-primary\">\n              <a target=\"_blank\" href=\"https:\/\/esim.holafly.com\/esim-singapore\/\">Buy Holafly Singapore eSIM<\/a>            <\/button>\n                                <\/div>\n    <\/div>\n  <\/div>\n  \n\n\n\n<p class=\"has-background\" style=\"background-color:#fffbae\"><strong>Disclaimer: <\/strong>The data in this article is accurate as of April 8, 2026, and is subject to change.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Learn about Optus roaming in Singapore, including its  $5 and $10 daily roaming passes, international roaming packs, and standard roaming rates. <\/p>\n","protected":false},"author":295,"featured_media":348198,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[156],"tags":[],"class_list":["post-348190","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-roaming"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - 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