diff --git a/packages/flutter/lib/src/cupertino/route.dart b/packages/flutter/lib/src/cupertino/route.dart
index 390bac8b41..ae68440c21 100644
--- a/packages/flutter/lib/src/cupertino/route.dart
+++ b/packages/flutter/lib/src/cupertino/route.dart
@@ -175,6 +175,12 @@ mixin CupertinoRouteTransitionMixin<T> on PageRoute<T> {
       ((nextRoute is CupertinoRouteTransitionMixin) || nextRouteHasDelegatedTransition);
   }
 
+  @override
+  bool canTransitionFrom(TransitionRoute<dynamic> previousRoute) {
+    // Supress previous route from transitioning if this is a fullscreenDialog route.
+    return previousRoute is PageRoute && !fullscreenDialog;
+  }
+
   @override
   Widget buildPage(BuildContext context, Animation<double> animation, Animation<double> secondaryAnimation) {
     final Widget child = buildContent(context);
diff --git a/packages/flutter/lib/src/material/page.dart b/packages/flutter/lib/src/material/page.dart
index 2b87aaa978..5a5fe8122b 100644
--- a/packages/flutter/lib/src/material/page.dart
+++ b/packages/flutter/lib/src/material/page.dart
@@ -124,6 +124,12 @@ mixin MaterialRouteTransitionMixin<T> on PageRoute<T> {
       ((nextRoute is MaterialRouteTransitionMixin) || nextRouteHasDelegatedTransition);
   }
 
+  @override
+  bool canTransitionFrom(TransitionRoute<dynamic> previousRoute) {
+    // Supress previous route from transitioning if this is a fullscreenDialog route.
+    return previousRoute is PageRoute && !fullscreenDialog;
+  }
+
   @override
   Widget buildPage(
     BuildContext context,
diff --git a/packages/flutter/test/cupertino/route_test.dart b/packages/flutter/test/cupertino/route_test.dart
index 182bf0b70d..fa71528806 100644
--- a/packages/flutter/test/cupertino/route_test.dart
+++ b/packages/flutter/test/cupertino/route_test.dart
@@ -2691,6 +2691,54 @@ void main() {
     await tester.pumpAndSettle();
   });
 
+  testWidgets('fullscreen routes do not transition previous route', (WidgetTester tester) async {
+    await tester.pumpWidget(
+      CupertinoApp(
+        initialRoute: '/',
+        onGenerateRoute: (RouteSettings settings) {
+          if (settings.name == '/') {
+            return PageRouteBuilder<void>(
+              pageBuilder: (BuildContext context, Animation<double> animation, Animation<double> secondaryAnimation) {
+                return CupertinoPageScaffold(
+                  navigationBar: const CupertinoNavigationBar(
+                    middle: Text('Page 1'),
+                  ),
+                  child: Container()
+                );
+              },
+            );
+          }
+          return CupertinoPageRoute<void>(
+            builder: (BuildContext context) {
+              return CupertinoPageScaffold(
+                navigationBar: const CupertinoNavigationBar(
+                  middle: Text('Page 2'),
+                ),
+                child: Container(),
+              );
+            },
+            fullscreenDialog: true,
+          );
+        },
+      ),
+    );
+
+    expect(find.text('Page 1'), findsOneWidget);
+    expect(find.text('Page 2'), findsNothing);
+
+    final double pageTitleDX = tester.getTopLeft(find.text('Page 1')).dx;
+
+    tester.state<NavigatorState>(find.byType(Navigator)).pushNamed('/next');
+    await tester.pump();
+    await tester.pump(const Duration(milliseconds: 100));
+
+    // Second page transition has started.
+    expect(find.text('Page 2'), findsOneWidget);
+
+    // First page has not moved.
+    expect(tester.getTopLeft(find.text('Page 1')).dx, equals(pageTitleDX));
+  });
+
   testWidgets('Setting CupertinoDialogRoute.requestFocus to false does not request focus on the dialog', (WidgetTester tester) async {
     late BuildContext savedContext;
     final FocusNode focusNode = FocusNode();
diff --git a/packages/flutter/test/material/page_test.dart b/packages/flutter/test/material/page_test.dart
index 7ae339e8e2..26c3cfefac 100644
--- a/packages/flutter/test/material/page_test.dart
+++ b/packages/flutter/test/material/page_test.dart
@@ -656,6 +656,54 @@ void main() {
     expect(tester.getTopLeft(find.text('Page 2')), Offset.zero);
   }, variant: const TargetPlatformVariant(<TargetPlatform>{ TargetPlatform.iOS,  TargetPlatform.macOS }));
 
+  testWidgets('test fullscreen routes do not transition previous route', (WidgetTester tester) async {
+    await tester.pumpWidget(
+      MaterialApp(
+        initialRoute: '/',
+        onGenerateRoute: (RouteSettings settings) {
+          if (settings.name == '/') {
+            return PageRouteBuilder<void>(
+              pageBuilder: (BuildContext context, Animation<double> animation, Animation<double> secondaryAnimation) {
+                return Scaffold(
+                  appBar: AppBar(
+                    title: const Text('Page 1'),
+                  ),
+                  body: Container()
+                );
+              },
+            );
+          }
+          return MaterialPageRoute<void>(
+            builder: (BuildContext context) {
+              return Scaffold(
+                appBar: AppBar(
+                  title: const Text('Page 2'),
+                ),
+                body: Container(),
+              );
+            },
+            fullscreenDialog: true,
+          );
+        },
+      ),
+    );
+
+    expect(find.text('Page 1'), findsOneWidget);
+    expect(find.text('Page 2'), findsNothing);
+
+    final double pageTitleDX = tester.getTopLeft(find.text('Page 1')).dx;
+
+    tester.state<NavigatorState>(find.byType(Navigator)).pushNamed('/next');
+    await tester.pump();
+    await tester.pump(const Duration(milliseconds: 100));
+
+    // Second page transition has started.
+    expect(find.text('Page 2'), findsOneWidget);
+
+    // First page has not moved.
+    expect(tester.getTopLeft(find.text('Page 1')).dx, equals(pageTitleDX));
+  }, variant: const TargetPlatformVariant(<TargetPlatform>{ TargetPlatform.iOS,  TargetPlatform.macOS }));
+
   testWidgets('test adaptable transitions switch during execution', (WidgetTester tester) async {
     await tester.pumpWidget(
       MaterialApp(