diff --git a/.changeset/great-peaches-work.md b/.changeset/great-peaches-work.md
new file mode 100644
index 000000000..04aeb6d78
--- /dev/null
+++ b/.changeset/great-peaches-work.md
@@ -0,0 +1,5 @@
+---
+"@logto/experience": minor
+---
+
+support direct sign-in for sso
diff --git a/packages/experience/src/pages/DirectSignIn/index.test.tsx b/packages/experience/src/pages/DirectSignIn/index.test.tsx
index c08f3bb40..566618a50 100644
--- a/packages/experience/src/pages/DirectSignIn/index.test.tsx
+++ b/packages/experience/src/pages/DirectSignIn/index.test.tsx
@@ -1,19 +1,33 @@
 import { useParams as useParamsMock } from 'react-router-dom';
 
 import renderWithPageContext from '@/__mocks__/RenderWithPageContext';
-import { socialConnectors } from '@/__mocks__/logto';
+import { mockSsoConnectors, socialConnectors } from '@/__mocks__/logto';
 
 import DirectSignIn from '.';
 
+jest.mock('@/hooks/use-sie', () => ({
+  useSieMethods: jest.fn().mockReturnValue({
+    socialConnectors,
+    ssoConnectors: mockSsoConnectors,
+  }),
+}));
+
 jest.mock('@/containers/SocialSignInList/use-social', () =>
   jest.fn().mockReturnValue({
-    socialConnectors,
     invokeSocialSignIn: jest.fn(() => {
       window.location.assign('/social-redirect-to');
     }),
   })
 );
 
+jest.mock('@/hooks/use-single-sign-on', () =>
+  jest.fn().mockReturnValue(
+    jest.fn(() => {
+      window.location.assign('/sso-redirect-to');
+    })
+  )
+);
+
 jest.mock('react-router-dom', () => ({
   ...jest.requireActual('react-router-dom'),
   useParams: jest.fn().mockReturnValue({}),
@@ -62,14 +76,21 @@ describe('DirectSignIn', () => {
     expect(replace).toBeCalledWith('/register');
   });
 
-  it('should fallback to the first screen when method is valid but target is invalid', () => {
+  it('should fallback to the first screen when method is valid but target is invalid (social)', () => {
     useParams.mockReturnValue({ method: 'social', target: 'something' });
     search.mockReturnValue('?fallback=sign-in');
     renderWithPageContext(<DirectSignIn />);
     expect(replace).toBeCalledWith('/sign-in');
   });
 
-  it('should invoke social sign-in when method is social and target is valid', () => {
+  it('should fallback to the first screen when method is valid but target is invalid (sso)', () => {
+    useParams.mockReturnValue({ method: 'sso', target: 'something' });
+    search.mockReturnValue('?fallback=sign-in');
+    renderWithPageContext(<DirectSignIn />);
+    expect(replace).toBeCalledWith('/sign-in');
+  });
+
+  it('should invoke social sign-in when method is social and target is valid (social)', () => {
     useParams.mockReturnValue({ method: 'social', target: socialConnectors[0]!.target });
     search.mockReturnValue(`?fallback=sign-in`);
 
@@ -78,4 +99,14 @@ describe('DirectSignIn', () => {
     expect(replace).not.toBeCalled();
     expect(assign).toBeCalledWith('/social-redirect-to');
   });
+
+  it('should invoke sso sign-in when method is sso and target is valid (sso)', () => {
+    useParams.mockReturnValue({ method: 'sso', target: mockSsoConnectors[0]!.id });
+    search.mockReturnValue(`?fallback=sign-in`);
+
+    renderWithPageContext(<DirectSignIn />);
+
+    expect(replace).not.toBeCalled();
+    expect(assign).toBeCalledWith('/sso-redirect-to');
+  });
 });
diff --git a/packages/experience/src/pages/DirectSignIn/index.tsx b/packages/experience/src/pages/DirectSignIn/index.tsx
index 43d985a89..9665fc4d1 100644
--- a/packages/experience/src/pages/DirectSignIn/index.tsx
+++ b/packages/experience/src/pages/DirectSignIn/index.tsx
@@ -4,10 +4,14 @@ import { useParams } from 'react-router-dom';
 
 import LoadingLayer from '@/components/LoadingLayer';
 import useSocial from '@/containers/SocialSignInList/use-social';
+import { useSieMethods } from '@/hooks/use-sie';
+import useSingleSignOn from '@/hooks/use-single-sign-on';
 
 const DirectSignIn = () => {
   const { method, target } = useParams();
-  const { socialConnectors, invokeSocialSignIn } = useSocial();
+  const { socialConnectors, ssoConnectors } = useSieMethods();
+  const { invokeSocialSignIn } = useSocial();
+  const invokeSso = useSingleSignOn();
   const fallback = useMemo(() => {
     const fallbackKey = new URLSearchParams(window.location.search).get('fallback');
     return (
@@ -25,8 +29,17 @@ const DirectSignIn = () => {
       }
     }
 
+    if (method === 'sso') {
+      const sso = ssoConnectors.find((connector) => connector.id === target);
+
+      if (sso) {
+        void invokeSso(sso.id);
+        return;
+      }
+    }
+
     window.location.replace('/' + fallback);
-  }, [fallback, invokeSocialSignIn, method, socialConnectors, target]);
+  }, [fallback, invokeSocialSignIn, invokeSso, method, socialConnectors, ssoConnectors, target]);
 
   return <LoadingLayer />;
 };
diff --git a/packages/integration-tests/src/tests/experience/direct-sign-in.test.ts b/packages/integration-tests/src/tests/experience/direct-sign-in.test.ts
index 9c12c1ca1..aa19dfff1 100644
--- a/packages/integration-tests/src/tests/experience/direct-sign-in.test.ts
+++ b/packages/integration-tests/src/tests/experience/direct-sign-in.test.ts
@@ -1,12 +1,17 @@
+import crypto from 'node:crypto';
+
 import { ConnectorType } from '@logto/connector-kit';
-import { SignInIdentifier } from '@logto/schemas';
+import { SignInIdentifier, SsoProviderName } from '@logto/schemas';
 
 import { mockSocialConnectorTarget } from '#src/__mocks__/connectors-mock.js';
 import { updateSignInExperience } from '#src/api/sign-in-experience.js';
-import { demoAppUrl } from '#src/constants.js';
+import { createSsoConnector } from '#src/api/sso-connector.js';
+import { demoAppUrl, logtoUrl } from '#src/constants.js';
 import { clearConnectorsByTypes, setSocialConnector } from '#src/helpers/connector.js';
 import ExpectExperience from '#src/ui-helpers/expect-experience.js';
 
+const randomString = () => crypto.randomBytes(8).toString('hex');
+
 /**
  * NOTE: This test suite assumes test cases will run sequentially (which is Jest default).
  * Parallel execution will lead to errors.
@@ -14,9 +19,26 @@ import ExpectExperience from '#src/ui-helpers/expect-experience.js';
 // Tip: See https://github.com/argos-ci/jest-puppeteer/blob/main/packages/expect-puppeteer/README.md
 // for convenient expect methods
 describe('direct sign-in', () => {
+  const context = new (class Context {
+    ssoConnectorId?: string;
+  })();
+  const ssoOidcIssuer = `${logtoUrl}/oidc`;
+
   beforeAll(async () => {
     await clearConnectorsByTypes([ConnectorType.Social, ConnectorType.Email, ConnectorType.Sms]);
     await setSocialConnector();
+    const ssoConnector = await createSsoConnector({
+      providerName: SsoProviderName.OIDC,
+      connectorName: 'test-oidc-' + randomString(),
+      domains: [`foo${randomString()}.com`],
+      config: {
+        clientId: 'foo',
+        clientSecret: 'bar',
+        issuer: ssoOidcIssuer,
+      },
+    });
+    // eslint-disable-next-line @silverhand/fp/no-mutation
+    context.ssoConnectorId = ssoConnector.id;
     await updateSignInExperience({
       signUp: { identifiers: [], password: true, verify: false },
       signIn: {
@@ -29,6 +51,7 @@ describe('direct sign-in', () => {
           },
         ],
       },
+      singleSignOnEnabled: true,
       socialSignInConnectorTargets: ['mock-social'],
     });
   });
@@ -45,6 +68,28 @@ describe('direct sign-in', () => {
     await experience.page.close();
   });
 
+  it('should be landed to the sso identity provider directly', async () => {
+    const experience = new ExpectExperience(await browser.newPage());
+    const url = new URL(demoAppUrl);
+
+    url.searchParams.set('direct_sign_in', `sso:${context.ssoConnectorId!}`);
+    await experience.page.goto(url.href);
+    await experience.toProcessSocialSignIn({
+      socialUserId: 'foo',
+      clickButton: false,
+      authUrl: ssoOidcIssuer + '/auth',
+    });
+
+    // The SSO sign-in flow won't succeed, but the user should be redirected back to the demo app
+    // with the code and user ID in the query string.
+    const callbackUrl = new URL(experience.page.url());
+    expect(callbackUrl.searchParams.get('code')).toBe('mock-code');
+    expect(callbackUrl.searchParams.get('userId')).toBe('foo');
+    expect(new URL(callbackUrl.pathname, callbackUrl.origin).href).toBe(demoAppUrl.href);
+
+    await experience.page.close();
+  });
+
   it('should fall back to the sign-in page if the direct sign-in target is invalid', async () => {
     const experience = new ExpectExperience(await browser.newPage());
     const url = new URL(demoAppUrl);
diff --git a/packages/integration-tests/src/ui-helpers/expect-experience.ts b/packages/integration-tests/src/ui-helpers/expect-experience.ts
index f2f637269..ba5410167 100644
--- a/packages/integration-tests/src/ui-helpers/expect-experience.ts
+++ b/packages/integration-tests/src/ui-helpers/expect-experience.ts
@@ -248,15 +248,18 @@ export default class ExpectExperience extends ExpectPage {
     socialEmail,
     socialPhone,
     clickButton = true,
+    authUrl = mockSocialAuthPageUrl,
   }: {
     socialUserId: string;
     socialEmail?: string;
     socialPhone?: string;
     /** Whether to click the "Continue with [social name]" button on the page. */
     clickButton?: boolean;
+    /** The URL to wait for the social auth page. */
+    authUrl?: string;
   }) {
     const authPageRequestListener = this.page.waitForRequest((request) =>
-      request.url().startsWith(mockSocialAuthPageUrl)
+      request.url().startsWith(authUrl)
     );
 
     if (clickButton) {
diff --git a/packages/schemas/src/consts/oidc.ts b/packages/schemas/src/consts/oidc.ts
index 865ed689d..162280b5c 100644
--- a/packages/schemas/src/consts/oidc.ts
+++ b/packages/schemas/src/consts/oidc.ts
@@ -31,8 +31,8 @@ export enum ExtraParamsKey {
    * @remark
    * The format of the value for this key is one of the following:
    *
-   * - `<method>` (e.g. `email`, `sms`)
-   * - `social:<target>` (e.g. `social:google`, `social:facebook`)
+   * - `social:<target>` (Use a social connector with the specified target, e.g. `social:google`)
+   * - `sso:<connector-id>` (Use the specified SSO connector, e.g. `sso:123456`)
    */
   DirectSignIn = 'direct_sign_in',
 }