diff --git a/web3.js/module.flow.js b/web3.js/module.flow.js
index b7a4356006..97832f15c7 100644
--- a/web3.js/module.flow.js
+++ b/web3.js/module.flow.js
@@ -232,5 +232,5 @@ declare module '@solana/web3.js' {
     from: Account,
     transaction: Transaction,
     runtimeErrorOk?: boolean,
-  ): Promise<void>;
+  ): Promise<TransactionSignature>;
 }
diff --git a/web3.js/src/util/send-and-confirm-transaction.js b/web3.js/src/util/send-and-confirm-transaction.js
index 8ac80538ba..5237c13ac4 100644
--- a/web3.js/src/util/send-and-confirm-transaction.js
+++ b/web3.js/src/util/send-and-confirm-transaction.js
@@ -4,6 +4,7 @@ import {Connection} from '../connection';
 import {Transaction} from '../transaction';
 import {sleep} from './sleep';
 import type {Account} from '../account';
+import type {TransactionSignature} from '../transaction';
 
 /**
  * Sign, send and confirm a transaction
@@ -13,12 +14,13 @@ export async function sendAndConfirmTransaction(
   from: Account,
   transaction: Transaction,
   runtimeErrorOk: boolean = false
-): Promise<void> {
+): Promise<?TransactionSignature> {
 
   let sendRetries = 10;
+  let signature;
   for (;;) {
     const start = Date.now();
-    const signature = await connection.sendTransaction(from, transaction);
+    signature = await connection.sendTransaction(from, transaction);
 
     // Wait up to a couple seconds for a confirmation
     let status = 'SignatureNotFound';
@@ -38,7 +40,7 @@ export async function sendAndConfirmTransaction(
 
     if ( (status === 'Confirmed') ||
          (status === 'ProgramRuntimeError' && runtimeErrorOk) ) {
-      return;
+      break;
     }
 
     if (status !== 'AccountInUse' || --sendRetries <= 0) {
@@ -48,5 +50,7 @@ export async function sendAndConfirmTransaction(
     // Retry in 0..100ms to try to avoid another collision
     await sleep(Math.random() * 100);
   }
+
+  return signature;
 }