diff --git a/apps/synapse-oauth-signin/package.json b/apps/synapse-oauth-signin/package.json
index 52a9234775..66bf79ee75 100644
--- a/apps/synapse-oauth-signin/package.json
+++ b/apps/synapse-oauth-signin/package.json
@@ -22,6 +22,7 @@
     "react-dom": "^18.2.0",
     "react-router-dom": "^5.3.4",
     "sass": "^1.71.1",
+    "universal-cookie": "^4.0.4",
     "synapse-react-client": "workspace:*"
   },
   "devDependencies": {
diff --git a/apps/synapse-oauth-signin/src/AppInitializer.tsx b/apps/synapse-oauth-signin/src/AppInitializer.tsx
index 440e12ac1a..0ff574fb74 100644
--- a/apps/synapse-oauth-signin/src/AppInitializer.tsx
+++ b/apps/synapse-oauth-signin/src/AppInitializer.tsx
@@ -6,12 +6,18 @@ import {
   SynapseConstants,
 } from 'synapse-react-client'
 import { handleErrorRedirect } from './URLUtils'
+import UniversalCookies from 'universal-cookie'
 
+const cookies = new UniversalCookies()
 function AppInitializer(
   props: React.PropsWithChildren<Record<string, unknown>>,
 ) {
+  const accountSitePrompted = cookies.get(
+    SynapseConstants.ACCOUNT_SITE_PROMPTED_FOR_LOGIN_COOKIE_KEY,
+  ) == 'true' // short-lived cookie
   const urlSearchParams = new URLSearchParams(window.location.search)
-  const prompt = urlSearchParams.get('prompt')
+  const prompt =
+    accountSitePrompted ? 'none' : urlSearchParams.get('prompt')
 
   let maxAge = undefined
   // check max age when re-establishing the session, not to auto-consent.
diff --git a/packages/synapse-react-client/src/utils/AppUtils/AppUtils.ts b/packages/synapse-react-client/src/utils/AppUtils/AppUtils.ts
index 56b58ec571..f7b5f9a301 100644
--- a/packages/synapse-react-client/src/utils/AppUtils/AppUtils.ts
+++ b/packages/synapse-react-client/src/utils/AppUtils/AppUtils.ts
@@ -1,5 +1,8 @@
 import { useHistory } from 'react-router-dom'
-import { LAST_PLACE_LOCALSTORAGE_KEY } from '../SynapseConstants'
+import {
+  ACCOUNT_SITE_PROMPTED_FOR_LOGIN_COOKIE_KEY,
+  LAST_PLACE_LOCALSTORAGE_KEY,
+} from '../SynapseConstants'
 import { useEffect, useState } from 'react'
 import UniversalCookies from 'universal-cookie'
 
@@ -33,6 +36,16 @@ export function storeRedirectURLForOneSageLoginAndGotoURL(href: string) {
 }
 
 export function processRedirectURLInOneSage() {
+  // PORTALS-3299 : Indicate that we have completed the login workflow (cookie expires in a minute) to break out of a cycle
+  const expireDate = new Date()
+  expireDate.setMinutes(expireDate.getMinutes() + 1)
+  const hostname = window.location.hostname.toLowerCase()
+  cookies.set(ACCOUNT_SITE_PROMPTED_FOR_LOGIN_COOKIE_KEY, 'true', {
+    path: '/',
+    expires: expireDate,
+    domain: hostname.endsWith('.synapse.org') ? 'synapse.org' : undefined,
+  })
+
   if (cookies.get(ONE_SAGE_REDIRECT_COOKIE_KEY)) {
     const href = cookies.get(ONE_SAGE_REDIRECT_COOKIE_KEY)
     cookies.remove(ONE_SAGE_REDIRECT_COOKIE_KEY)
diff --git a/packages/synapse-react-client/src/utils/SynapseConstants.ts b/packages/synapse-react-client/src/utils/SynapseConstants.ts
index df749f3d4d..c42c8ecabd 100644
--- a/packages/synapse-react-client/src/utils/SynapseConstants.ts
+++ b/packages/synapse-react-client/src/utils/SynapseConstants.ts
@@ -186,6 +186,9 @@ export const ACCESS_TOKEN_COOKIE_KEY =
   'org.sagebionetworks.security.user.login.token'
 export const LAST_PLACE_LOCALSTORAGE_KEY = 'last_place_url'
 
+export const ACCOUNT_SITE_PROMPTED_FOR_LOGIN_COOKIE_KEY =
+  'org.sagebionetworks.account.promptedforlogin'
+
 /* Persistent localStorage keys on SWC logout */
 export const PERSISTENT_LOCAL_STORAGE_KEYS = [
   ...ORIENTATION_BANNER_KEYS,
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index c11a908268..9ecdcd38f9 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -854,6 +854,9 @@ importers:
       synapse-react-client:
         specifier: workspace:*
         version: link:../../packages/synapse-react-client
+      universal-cookie:
+        specifier: ^4.0.4
+        version: 4.0.4
     devDependencies:
       '@sage-bionetworks/synapse-types':
         specifier: workspace:*