7-Day Shoestring Budget Itinerary for London, Wales, Scotland, and Ireland

1. Day 1: London
   Estimated travel time: 3 hour drive from London to Cardiff Castle

   Explore the medieval fortress of Cardiff Castle in Wales, followed by a visit to the nearby iconic beach of Barry Island. End the day with a stroll through the charming streets of Bristol and dinner at the St.Nicks Market.

2. Day 2: Wales and Scotland
   Estimated travel time: 7 hour drive to Inverness from Bristol

   Head to the stunning Snowdonia National Park in Wales to hike or take the scenic train ride to the summit of Mount Snowdon. Then, travel to Scotland and visit the famous Loch Ness, followed by a stroll through the beautiful city of Inverness and dinner at Mustard Seed Restaurant.

3. Day 3: Scotland
   Estimated travel time: 3.5 hour drive to Edinburgh from Inverness

   Start the day with a tour of the beautiful Edinburgh Castle, followed by a visit to the famous Grassmarket for lunch. Explore the National Museum of Scotland and end the day with a scenic walk through the Princes Street Gardens.

4. Day 4: Scotland
   Estimated travel time: 3.5 hour drive to Glasgow from Edinburgh

   Visit the stunning Glasgow Cathedral and the Riverside Museum of Transport and Travel. End the day with a stroll in the iconic George Square and dinner at The Ubiquitous Chip.

5. Day 5: Ireland
   Estimated travel time: 3 hour ferry ride to Dublin from Glasgow

   Take a city tour of historic Dublin including the magnificent Trinity College and its famous old library. Then, head to the Guinness Storehouse for a tour of Ireland's most famous beer brewery and end the day with dinner at Mulligan's.

6. Day 6: Ireland
   Estimated travel time: 2 hour drive to Blarney Castle from Dublin

   Start the day with a tour of the Blarney Castle and kiss the famous stone for good luck. Continue to the beautiful Ring of Kerry for a scenic drive through the stunning countryside. End the day with an authentic local dinner at the Bricín Restaurant.

7. Day 7: Ireland and Return Home
   Estimated travel time: 25 minute drive to Dublin Airport from Bricin Restaurant

   Visit the picturesque village of Howth for spectacular views of Dublin Bay. End the trip by shopping for locally made gifts and souvenirs at the Irish Design Shop before departing Dublin for home.

Time and Cost Estimates

• Cardiff Castle (2 hours, free)
• Barry Island (1-2 hours, free)
• St.Nicks Market (1-2 hours, $)
• Snowdonia National Park (3-4 hours, free)
• Loch Ness (2 hours, free)
• Mustard Seed Restaurant (1-2 hours, $$)
• Edinburgh Castle (2 hours, $$)
• Grassmarket (1-2 hours, free)
• National Museum of Scotland (2-3 hours, free)
• Princes Street Gardens (1-2 hours, free)
• Glasgow Cathedral (1-2 hours, free)
• Riverside Museum of Transport and Travel (2-3 hours, free)
• George Square (1-2 hours, free)
• The Ubiquitous Chip (1-2 hours, $$)
• Trinity College (2 hours, $$)
• Guinness Storehouse (2-3 hours, $$)
• Mulligan's (1-2 hours, $$)
• Blarney Castle (2-3 hours, $$)
• Ring of Kerry (2-3 hours, free)
• Bricín Restaurant (1-2 hours, $$)
• Irish Design Shop (1-2 hours, $)
Total Estimated Costs ($$)

Useful Tips

If you have more time, you can explore additional landmarks such as the Buckingham Palace in London, the Giant's Causeway in Northern Ireland, and the Isle of Skye in Scotland. Additionally, for those with less time, consider cutting out one of the locations or limiting your time spent at each stopping point.