diff --git a/apps/scandic-web/components/HotelReservation/utils/index.test.ts b/apps/scandic-web/components/HotelReservation/utils/index.test.ts
new file mode 100644
index 000000000..3b0b99f4e
--- /dev/null
+++ b/apps/scandic-web/components/HotelReservation/utils/index.test.ts
@@ -0,0 +1,73 @@
+import { describe, expect, it } from "vitest"
+
+import { dt } from "@scandic-hotels/common/dt"
+import { AlertTypeEnum } from "@scandic-hotels/trpc/types/alert"
+
+import { getHotelAlertsForBookingDates } from "./index"
+
+import type { specialAlertsSchema } from "@scandic-hotels/trpc/routers/hotels/schemas/hotel/specialAlerts"
+import type { z } from "zod"
+
+type Alert = z.infer<typeof specialAlertsSchema>[number]
+
+function makeAlert(start: string, end: string): Alert {
+  return {
+    id: "test-id",
+    name: "Test Alert",
+    heading: "Test Heading",
+    text: "Some text",
+    type: AlertTypeEnum.Alarm,
+    displayInBookingFlow: true,
+    startDate: start,
+    endDate: end,
+  }
+}
+
+describe("getHotelAlertsForBookingDates", () => {
+  const alert = makeAlert("2025-09-01", "2025-09-10")
+
+  it("shows alert if booking starts inside alert", () => {
+    const result = getHotelAlertsForBookingDates(
+      [alert],
+      dt("2025-09-05"),
+      dt("2025-09-12")
+    )
+    expect(result).toHaveLength(1)
+  })
+
+  it("shows alert if booking ends inside alert", () => {
+    const result = getHotelAlertsForBookingDates(
+      [alert],
+      dt("2025-08-28"),
+      dt("2025-09-05")
+    )
+    expect(result).toHaveLength(1)
+  })
+
+  it("shows alert if booking fully contains alert", () => {
+    const result = getHotelAlertsForBookingDates(
+      [alert],
+      dt("2025-08-28"),
+      dt("2025-09-15")
+    )
+    expect(result).toHaveLength(1)
+  })
+
+  it("shows alert if alert fully contains booking", () => {
+    const result = getHotelAlertsForBookingDates(
+      [alert],
+      dt("2025-09-03"),
+      dt("2025-09-05")
+    )
+    expect(result).toHaveLength(1)
+  })
+
+  it("does not show alert if no overlap", () => {
+    const result = getHotelAlertsForBookingDates(
+      [alert],
+      dt("2025-08-01"),
+      dt("2025-08-05")
+    )
+    expect(result).toHaveLength(0)
+  })
+})
diff --git a/apps/scandic-web/components/HotelReservation/utils/index.tsx b/apps/scandic-web/components/HotelReservation/utils/index.tsx
index 147ad38fb..86f0d0a54 100644
--- a/apps/scandic-web/components/HotelReservation/utils/index.tsx
+++ b/apps/scandic-web/components/HotelReservation/utils/index.tsx
@@ -95,24 +95,33 @@ export function getHotelAlertsForBookingDates(
 ) {
   return specialAlerts.filter((alert) => {
     if (alert.endDate && alert.startDate) {
-      const alertEndDate = dt(alert.endDate)
       const alertStartDate = dt(alert.startDate)
+      const alertEndDate = dt(alert.endDate)
+      const bookingStart = dt(fromDate)
+      const bookingEnd = dt(toDate)
 
-      const fromDateIsBetweenAlertDates = dt(fromDate).isBetween(
+      const fromDateIsBetweenAlertDates = bookingStart.isBetween(
         alertStartDate,
         alertEndDate,
         "date",
         "[]"
       )
-      const toDateIsBetweenAlertDates = dt(toDate).isBetween(
+      const toDateIsBetweenAlertDates = bookingEnd.isBetween(
         alertStartDate,
         alertEndDate,
         "date",
         "[]"
       )
-      const bookingSpanIsBetweenAlertDates =
-        fromDateIsBetweenAlertDates || toDateIsBetweenAlertDates
-      return bookingSpanIsBetweenAlertDates
+
+      const bookingFullyContainsAlert =
+        bookingStart.isSameOrBefore(alertStartDate, "date") &&
+        bookingEnd.isSameOrAfter(alertEndDate, "date")
+
+      return (
+        fromDateIsBetweenAlertDates ||
+        toDateIsBetweenAlertDates ||
+        bookingFullyContainsAlert
+      )
     }
     return true
   })