Reykjavík itinerary: 1, 2 and 3 days

Reykjavík is compact and walkable, so the question is not how much city there is but how many day loops you want to bolt on. One day is a city day. Two days is a city day plus one loop. Three days is two loops, or one loop and a slower city day with a pool and a long dinner.

If Iceland is the whole trip and you are heading along the south coast, treat Reykjavík as two nights at the start and one near the airport at the end. If Reykjavík is a stopover, one full day is enough and you should not pretend otherwise.

Day one, on foot. Start at Hallgrímskirkja for the view over the roofs, walk down Skólavörðustígur to the harbour, take in Harpa on the waterfront, then loop the old harbour and Grófarstígur. Finish at a city pool — Sundhöllin is central, Laugardalslaug is bigger — because the pool is the Icelandic social ritual and the cheapest good hour in town.

Day two, one loop. The Golden Circle gives you Þingvellir, Geysir and Gullfoss in a single drive; a coach tour removes the winter driving risk, a small car gives you timing control. In winter, watch the road-status page before you leave and keep the loop short if the wind is up.

Day three, pick one. South coast to Seljalandsfoss and Skógafoss and back is a long but doable day; Reykjanes, with its lava fields and lagoons near Keflavík, is the shorter option and pairs with an airport night. If you would rather not drive again, spend day three on the city: the National Museum, a second pool, and a proper dinner.

If you have more than three days in the city, you are probably using it as a base rather than sightseeing. That is fine, but the parent country plan is two nights here and then a car along the south coast.

Reykjavík is expensive by US and UK standards, and the biggest variable is whether you drive or join tours. A small car for a day plus fuel is often cheaper than two coach seats, but only if you are comfortable with winter roads. City buses and walking cost almost nothing.

Food is where budgets quietly break. A casual lunch of soup or a hot dog runs a few thousand krónur; a sit-down dinner with a drink is a different order of magnitude. Supermarket food and a shared kitchen cut the daily figure hard.

Book the first night near the city centre if you arrive late; the airport transfer is a separate decision and the drive is roughly 45–50 minutes (check).

In summer, use the long daylight: a loop after 20:00 is possible and the roads are quieter. In winter, do the driving in daylight and keep the evening for the city.

Buy a swimsuit before you land if you care about cost; pool rentals exist but add up. Bring a windproof outer layer year-round — the city is mild but the wind is the thing you notice.

Check road conditions and eruption status before any Reykjanes day; the peninsula has had repeated eruptions and closures (check).