diff --git a/browser/app/profile/firefox.js b/browser/app/profile/firefox.js
--- a/browser/app/profile/firefox.js
+++ b/browser/app/profile/firefox.js
@@ -411,10 +411,13 @@
 pref("browser.urlbar.maxRichResults", 10);
 
 // The maximum number of historical search results to show.
 pref("browser.urlbar.maxHistoricalSearchSuggestions", 2);
 
+// Whether to close the urlbar when blurring the window while the urlbar is focused.
+pref("browser.urlbar.closeOnWindowBlur", true);
+
 // The default behavior for the urlbar can be configured to use any combination
 // of the match filters with each additional filter adding more results (union).
 pref("browser.urlbar.suggest.bookmark",             true);
 pref("browser.urlbar.suggest.clipboard",            true);
 pref("browser.urlbar.suggest.history",              true);
diff --git a/browser/components/urlbar/UrlbarPrefs.sys.mjs b/browser/components/urlbar/UrlbarPrefs.sys.mjs
--- a/browser/components/urlbar/UrlbarPrefs.sys.mjs
+++ b/browser/components/urlbar/UrlbarPrefs.sys.mjs
@@ -152,10 +152,13 @@
   ["filter.javascript", true],
 
   // Feature gate pref for flight status suggestions in the urlbar.
   ["flightStatus.featureGate", false],
 
+  // Whether to close the urlbar when blurring the window while the urlbar is focused.
+  ["closeOnWindowBlur", true],
+
   // The minimum prefix length of a flight status keyword the user must type to
   // trigger the suggestion. 0 means the min length should be taken from Nimbus
   // or remote settings.
   ["flightStatus.minKeywordLength", 0],
 
diff --git a/browser/components/urlbar/content/UrlbarView.mjs b/browser/components/urlbar/content/UrlbarView.mjs
--- a/browser/components/urlbar/content/UrlbarView.mjs
+++ b/browser/components/urlbar/content/UrlbarView.mjs
@@ -3909,10 +3909,16 @@
       }
     }
   }
 
   on_blur() {
+    if (
+      this.document.commandDispatcher.focusedElement == this.input.inputField &&
+      !lazy.UrlbarPrefs.get("closeOnWindowBlur")
+    ) {
+      return;
+    }
     // If the view is open without the input being focused, it will not close
     // automatically when the window loses focus. We might be in this state
     // after a Search Tip is shown on an engine homepage.
     if (!lazy.UrlbarPrefs.get("ui.popup.disable_autohide")) {
       this.close();
diff --git a/browser/components/urlbar/content/UrlbarInput.mjs b/browser/components/urlbar/content/UrlbarInput.mjs
--- a/browser/components/urlbar/content/UrlbarInput.mjs
+++ b/browser/components/urlbar/content/UrlbarInput.mjs
@@ -4783,10 +4783,16 @@
     }
   }
 
   _on_blur(event) {
     lazy.logger.debug("Blur Event");
+    if (
+      this.document.commandDispatcher.focusedElement == this.inputField &&
+      !lazy.UrlbarPrefs.get("closeOnWindowBlur")
+    ) {
+      return;
+    }
     // We cannot count every blur events after a missed engagement as abandoment
     // because the user may have clicked on some view element that executes
     // a command causing a focus change. For example opening preferences from
     // the oneoff settings button.
     // For now we detect that case by discarding the event on command, but we
     // may want to figure out a more robust way to detect abandonment.