diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5d8fb477ce..0e8616a031 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,7 @@
 
 ### Features
 
+- Add HTTP response code to Spring WebFlux transactions ([#2870](https://github.com/getsentry/sentry-java/pull/2870))
 - Add `sampled` to Dynamic Sampling Context ([#2869](https://github.com/getsentry/sentry-java/pull/2869))
 
 ### Fixes
diff --git a/sentry-spring-jakarta/src/main/java/io/sentry/spring/jakarta/webflux/AbstractSentryWebFilter.java b/sentry-spring-jakarta/src/main/java/io/sentry/spring/jakarta/webflux/AbstractSentryWebFilter.java
index 8b93ade6cf..0b6b387e45 100644
--- a/sentry-spring-jakarta/src/main/java/io/sentry/spring/jakarta/webflux/AbstractSentryWebFilter.java
+++ b/sentry-spring-jakarta/src/main/java/io/sentry/spring/jakarta/webflux/AbstractSentryWebFilter.java
@@ -110,11 +110,17 @@ private void finishTransaction(ServerWebExchange exchange, ITransaction transact
       transaction.setName(transactionName, TransactionNameSource.ROUTE);
       transaction.setOperation(TRANSACTION_OP);
     }
-    if (transaction.getStatus() == null) {
-      final @Nullable ServerHttpResponse response = exchange.getResponse();
-      if (response != null) {
-        final @Nullable HttpStatusCode statusCode = response.getStatusCode();
-        if (statusCode != null) {
+    final @Nullable ServerHttpResponse response = exchange.getResponse();
+    if (response != null) {
+      final @Nullable HttpStatusCode statusCode = response.getStatusCode();
+      if (statusCode != null) {
+        transaction
+            .getContexts()
+            .withResponse(
+                (sentryResponse) -> {
+                  sentryResponse.setStatusCode(statusCode.value());
+                });
+        if (transaction.getStatus() == null) {
           transaction.setStatus(SpanStatus.fromHttpStatusCode(statusCode.value()));
         }
       }
diff --git a/sentry-spring-jakarta/src/test/kotlin/io/sentry/spring/jakarta/webflux/SentryWebFluxTracingFilterTest.kt b/sentry-spring-jakarta/src/test/kotlin/io/sentry/spring/jakarta/webflux/SentryWebFluxTracingFilterTest.kt
index ad20545473..eac0b9c60f 100644
--- a/sentry-spring-jakarta/src/test/kotlin/io/sentry/spring/jakarta/webflux/SentryWebFluxTracingFilterTest.kt
+++ b/sentry-spring-jakarta/src/test/kotlin/io/sentry/spring/jakarta/webflux/SentryWebFluxTracingFilterTest.kt
@@ -115,6 +115,7 @@ class SentryWebFluxTracingFilterTest {
                     assertThat(it.contexts.trace!!.status).isEqualTo(SpanStatus.OK)
                     assertThat(it.contexts.trace!!.operation).isEqualTo("http.server")
                     assertThat(it.contexts.trace!!.origin).isEqualTo("auto.spring_jakarta.webflux")
+                    assertThat(it.contexts.response!!.statusCode).isEqualTo(200)
                 },
                 anyOrNull<TraceContext>(),
                 anyOrNull(),
@@ -133,6 +134,7 @@ class SentryWebFluxTracingFilterTest {
             verify(fixture.hub).captureTransaction(
                 check {
                     assertThat(it.contexts.trace!!.status).isEqualTo(SpanStatus.INTERNAL_ERROR)
+                    assertThat(it.contexts.response!!.statusCode).isEqualTo(500)
                 },
                 anyOrNull<TraceContext>(),
                 anyOrNull(),
diff --git a/sentry-spring/src/main/java/io/sentry/spring/webflux/SentryWebFilter.java b/sentry-spring/src/main/java/io/sentry/spring/webflux/SentryWebFilter.java
index b57bf2f55b..5dedc9dbba 100644
--- a/sentry-spring/src/main/java/io/sentry/spring/webflux/SentryWebFilter.java
+++ b/sentry-spring/src/main/java/io/sentry/spring/webflux/SentryWebFilter.java
@@ -144,11 +144,17 @@ private void finishTransaction(ServerWebExchange exchange, ITransaction transact
       transaction.setName(transactionName, TransactionNameSource.ROUTE);
       transaction.setOperation(TRANSACTION_OP);
     }
-    if (transaction.getStatus() == null) {
-      final @Nullable ServerHttpResponse response = exchange.getResponse();
-      if (response != null) {
-        final @Nullable Integer rawStatusCode = response.getRawStatusCode();
-        if (rawStatusCode != null) {
+    final @Nullable ServerHttpResponse response = exchange.getResponse();
+    if (response != null) {
+      final @Nullable Integer rawStatusCode = response.getRawStatusCode();
+      if (rawStatusCode != null) {
+        transaction
+            .getContexts()
+            .withResponse(
+                (sentryResponse) -> {
+                  sentryResponse.setStatusCode(rawStatusCode);
+                });
+        if (transaction.getStatus() == null) {
           transaction.setStatus(SpanStatus.fromHttpStatusCode(rawStatusCode));
         }
       }
diff --git a/sentry-spring/src/test/kotlin/io/sentry/spring/webflux/SentryWebFluxTracingFilterTest.kt b/sentry-spring/src/test/kotlin/io/sentry/spring/webflux/SentryWebFluxTracingFilterTest.kt
index 38658d644e..be56a8391d 100644
--- a/sentry-spring/src/test/kotlin/io/sentry/spring/webflux/SentryWebFluxTracingFilterTest.kt
+++ b/sentry-spring/src/test/kotlin/io/sentry/spring/webflux/SentryWebFluxTracingFilterTest.kt
@@ -116,6 +116,7 @@ class SentryWebFluxTracingFilterTest {
                     assertThat(it.contexts.trace!!.status).isEqualTo(SpanStatus.OK)
                     assertThat(it.contexts.trace!!.operation).isEqualTo("http.server")
                     assertThat(it.contexts.trace!!.origin).isEqualTo("auto.spring.webflux")
+                    assertThat(it.contexts.response!!.statusCode).isEqualTo(200)
                 },
                 anyOrNull<TraceContext>(),
                 anyOrNull(),
@@ -134,6 +135,7 @@ class SentryWebFluxTracingFilterTest {
             verify(fixture.hub).captureTransaction(
                 check {
                     assertThat(it.contexts.trace!!.status).isEqualTo(SpanStatus.INTERNAL_ERROR)
+                    assertThat(it.contexts.response!!.statusCode).isEqualTo(500)
                 },
                 anyOrNull<TraceContext>(),
                 anyOrNull(),
diff --git a/sentry/api/sentry.api b/sentry/api/sentry.api
index a7f02708e3..5e6caaf2fd 100644
--- a/sentry/api/sentry.api
+++ b/sentry/api/sentry.api
@@ -3009,6 +3009,7 @@ public final class io/sentry/protocol/Contexts : java/util/concurrent/Concurrent
 	public fun setResponse (Lio/sentry/protocol/Response;)V
 	public fun setRuntime (Lio/sentry/protocol/SentryRuntime;)V
 	public fun setTrace (Lio/sentry/SpanContext;)V
+	public fun withResponse (Lio/sentry/util/HintUtils$SentryConsumer;)V
 }
 
 public final class io/sentry/protocol/Contexts$Deserializer : io/sentry/JsonDeserializer {
diff --git a/sentry/src/main/java/io/sentry/protocol/Contexts.java b/sentry/src/main/java/io/sentry/protocol/Contexts.java
index ce0c3219d0..21be9fd8a5 100644
--- a/sentry/src/main/java/io/sentry/protocol/Contexts.java
+++ b/sentry/src/main/java/io/sentry/protocol/Contexts.java
@@ -6,6 +6,7 @@
 import io.sentry.JsonSerializable;
 import io.sentry.ObjectWriter;
 import io.sentry.SpanContext;
+import io.sentry.util.HintUtils;
 import io.sentry.util.Objects;
 import io.sentry.vendor.gson.stream.JsonToken;
 import java.io.IOException;
@@ -19,6 +20,9 @@
 public final class Contexts extends ConcurrentHashMap<String, Object> implements JsonSerializable {
   private static final long serialVersionUID = 252445813254943011L;
 
+  /** Response lock, Ops should be atomic */
+  private final @NotNull Object responseLock = new Object();
+
   public Contexts() {}
 
   public Contexts(final @NotNull Contexts contexts) {
@@ -115,8 +119,23 @@ public void setGpu(final @NotNull Gpu gpu) {
     return toContextType(Response.TYPE, Response.class);
   }
 
+  public void withResponse(HintUtils.SentryConsumer<Response> callback) {
+    synchronized (responseLock) {
+      final @Nullable Response response = getResponse();
+      if (response != null) {
+        callback.accept(response);
+      } else {
+        final @NotNull Response newResponse = new Response();
+        setResponse(newResponse);
+        callback.accept(newResponse);
+      }
+    }
+  }
+
   public void setResponse(final @NotNull Response response) {
-    this.put(Response.TYPE, response);
+    synchronized (responseLock) {
+      this.put(Response.TYPE, response);
+    }
   }
 
   // region json