Morning: Catch the early‑morning National Express coach from Fareham Coach Station to London Victoria (≈£15). Transfer to the overnight Megabus service to Edinburgh (≈£12, book 2‑weeks ahead for the lowest fare).
Afternoon: Arrive in Edinburgh, check into a central hostel (e.g., Castle Rock Hostel) (≈£30 per night, shared dorm). Drop off luggage and take a short walk to the Royal Mile for a quick orientation.
Evening: Enjoy a budget‑friendly dinner at a local pub on the Royal Mile (≈£10) and stroll to Princes Street Gardens to admire the city lights.
Find HotelsMorning: Start with a free walking tour of the Old Town, then visit the iconic Edinburgh Castle (admission £17). Grab a quick coffee at a nearby café (£3).
Afternoon: Explore the National Museum of Scotland (free entry) and wander up Arthur’s Seat for panoramic views (free, about 2 hours of hiking).
Evening: Dine on affordable haggis or fish‑and‑chips at a local eatery (£12) and experience the lively atmosphere of Grassmarket before returning to the hostel.
Find HotelsMorning: Check out and store luggage at the hostel’s locker. Take a brief stroll to St Giles’ Cathedral (free) and enjoy a light breakfast at a café (£4).
Afternoon: Board the same Megabus service back to London (≈£12) and transfer to the National Express coach to Fareham (≈£15).
Evening: Arrive home, reflecting on a budget‑friendly Scottish adventure.
Find HotelsTo stretch the trip, add an extra night and explore the nearby coastal town of North Berwick or take a day trip to the historic Stirling Castle. If you need to cut costs further, stay in a university dormitory during term time and replace one of the coach legs with a cheap car‑share service; both options can shave £20‑£30 off the total.