Visas & entry
Idaho follows U.S. entry rules. Canadian citizens generally do not need a visa for short tourism visits; travelers from Visa Waiver Program countries need an approved ESTA before flying or transiting to the U.S.; other nationalities generally need a B-2/tourist visa. Check current U.S. State Department and CBP rules before booking.
Getting in
- Boise Airport: The default gateway for Boise, the Treasure Valley, McCall, Sun Valley and the Sawtooth circuit. Rent a car at the airport; Boise is the sensible place to stock up before heading into mountain country.
- Spokane International Airport, Washington: The practical airport for North Idaho, despite being across the state line. Coeur d’Alene is roughly 40 minutes away; it is far more logical than trying to connect North Idaho with Boise on a short trip.
- Idaho Falls Regional Airport: Useful for eastern Idaho, Island Park and Yellowstone-side travel. Idaho Falls is primarily a functional overnight, rental-car and supplies hub rather than a destination in itself.
- Friedman Memorial Airport, Hailey: The close-in option for Ketchum/Sun Valley, with a short drive to the resort corridor. Flights can be limited and expensive, and weather can affect mountain-airport operations; Boise is usually the sturdier choice for a broader Idaho loop.
Getting around
Rent a car unless your entire trip is confined to downtown Boise. There is no statewide rail network or practical intercity transit for the places travelers come to see, and trailheads, lakes, river put-ins and dispersed bases such as Stanley and Island Park demand your own wheels. Allow much more time than map estimates on mountain roads; check Idaho 511 for pass conditions, wildfire closures and winter restrictions, and do not treat North Idaho as a day trip from Boise.
Money
U.S. dollar (USD). Cards are widely accepted in Boise, resort towns and most hotels, but carry a physical card plus some cash for small rural businesses, tips and patchy-connectivity situations; do not rely on mobile payment alone in remote areas. Restaurant tipping is customary at roughly 18–22% for full service, with smaller tips expected for guides, drivers and hotel staff.
Daily budget · USD
- Value
- $130–220 budget-conscious
- Mid-range
- $250–400 comfortable, assuming two people sharing a car and a double room
- High-end
- $550+ for Sun Valley/resort hotels, guided activities and peak-season lake or ski stays
- These are realistic daily per-person costs excluding international transport; solo travelers should add substantially for rooms and rental cars.
- Idaho is cheaper in Boise, Twin Falls and Idaho Falls than in Ketchum/Sun Valley, Stanley, McCall, Sandpoint and Coeur d’Alene during summer or ski peaks.
- The car is the hidden fixed cost: budget roughly $60–120 per day for a rental before fuel, then allow for long driving days and sparse fuel stops in central Idaho.
- Summer lodging is the main pinch point. Stanley, Redfish Lake, McCall, Sandpoint and Ketchum can turn a mid-range trip into a high-end one simply through room rates.
- Camping can cut accommodation costs sharply, but reservable forest campgrounds and popular lake-area sites often need booking months ahead; do not count on arriving late on a summer weekend and finding a site.
- Guided rafting, fishing, boat rentals, lift tickets and ski days quickly move the daily average upward. Spend on one proper river, lake or mountain day rather than trying to rent gear everywhere.
Eating well
- Book Ketchum/Sun Valley dinners in advance in peak ski season and summer; this is the state’s most reliably busy mountain dining market.
- In Stanley, do not assume a late dinner, broad grocery selection or backup options. Buy snacks, picnic supplies and fuel before committing to trailhead days.
- Boise is the place to plan a proper meal; use mountain and river towns for simple, early, serviceable eating.
- Summer weekends compress capacity in McCall, Stanley, Sandpoint and resort towns. Eat early or reserve when a restaurant takes bookings.
- If driving remote central Idaho or the Salmon corridor, carry food and water rather than relying on the next town.
Book before you land
Sun Valley resort lodging and ski arrangements for Christmas/New Year, Presidents’ Day and major school-holiday weekends · Central Idaho lodging and reservable Forest Service campgrounds around Stanley, Redfish Lake and the Sawtooths in summer · Guided whitewater trips, especially multi-day Middle Fork of the Salmon departures · Route of the Hiawatha passes, shuttles and bike rentals on peak summer weekends · Redfish Lake boat rentals and marina activities in peak summer
- Use Boise, Ketchum/Sun Valley, Stanley, Twin Falls, Idaho Falls, Coeur d’Alene or Sandpoint as overnight bases; do not attempt to sightsee the whole state from one hotel.
- Fuel up before entering central Idaho or the Island Park backcountry. In places such as Stanley, Salmon and remote highway corridors, fuel, groceries, restaurants and late-night services are limited.
- Summer mountain days can be hot, but nights at Stanley’s elevation are cold even in July. Pack a warm layer, rain shell, water and offline maps for every drive or hike.
- Wildfire smoke and road closures can rewrite an August itinerary. Keep at least one flexible day, monitor Idaho 511 and local fire information, and do not drive around signed closures.
- Winter driving is serious on high passes: use a properly equipped vehicle, carry warm gear and do not assume a scenic byway is a viable shortcut. Some routes are seasonal or effectively impractical after storms.
- At Craters of the Moon, heat and exposure are the hazard: visit early or late in summer, carry more water than seems necessary, and navigate to the Robert Limbert Visitor Center rather than following apps onto remote unpaved roads.
Entry rules change — verify visa requirements for your passport before booking this region.
Season by season
December–March
This is serious snow season in Sun Valley/Ketchum, McCall and Sandpoint/Schweitzer; Boise remains comparatively mild, but central and eastern high-country roads can be icy, slow or impractical.
SkiingSnowshoeing and hot springsWinter cabinsBoise restaurants
Do not plan a broad road trip or Sawtooth hiking; Christmas/New Year, Presidents’ Day and school breaks make resort-town rooms expensive and scarce.
April–May
Boise, Sunnyslope wine country and the Snake River canyon green up first, with wildflowers, strong waterfall flows and high-water rafting, while Sawtooth trails and many mountain services remain snowbound or only partly open.
Boise food and wineShoshone Falls and Thousand SpringsLow-elevation cyclingSpring rafting
This is the state’s least predictable season: alpine lakes are not reliably reachable, seasonal campgrounds may be closed, and Craters cave access can be delayed by snow or ice.
June–August
Long days and generally open roads make this the all-purpose season for Sawtooth lakes, hiking, rafting, bike trails and North Idaho lake towns; expect warm days but cold nights at high elevation.
Sawtooths and Redfish LakeWhitewater raftingLake days and paddlingScenic drives and rail trails
This is peak demand for tiny mountain towns and reservable campgrounds, while wildfire smoke can disrupt August plans; Boise, Twin Falls and Craters of the Moon can be brutally hot.
September–November
September brings clear hiking weather, cool nights, fall color and thinner crowds, especially on the Boise–Ketchum–Stanley loop and North Idaho drives; by late October, high-pass weather can shift quickly toward winter.
Fall hiking and foliageWine harvestUncrowded scenic drivesBoise–Ketchum–Stanley road trips
Mountain lodges, marinas, restaurants and rental operations begin reducing hours, and snow can derail high-elevation plans from late October onward.
Events worth planning around
Festival at Sandpoint · Usually the last week of July and first week of August · Sandpoint
This outdoor concert run materially tightens Sandpoint lodging and makes the town busier; reserve rooms well ahead if your dates overlap.
Sun Valley Film Festival · Usually early December; dates vary by year · Ketchum and Sun Valley
Screenings and visitors concentrate demand in Ketchum/Sun Valley, so book lodging early if you want to be in the resort corridor.
Peak ski weekends and school holidays · Christmas/New Year, Presidents’ Day weekend and major winter school breaks · Sun Valley/Ketchum and McCall
These are the biggest winter availability squeeze: expect higher lodging rates and book resort-town rooms well in advance.
What to eat
Idaho eats best when you treat Boise as the food-and-wine stop and mountain towns as places for practical, early dinners rather than destination dining. Seek out Boise’s Basque cooking and the Sunnyslope wine route; elsewhere, huckleberry treats are the reliable regional calling card, while small-town options thin out fast in Stanley and along remote river corridors.
Basque food in Boise’s Basque BlockSnake River Valley and Eagle Foothills wines, especially the Sunnyslope tasting routeHuckleberry ice cream and other huckleberry sweetsHearty mountain-town breakfasts, including McCall’s Pancake House
Boise and the Treasure Valley: Basque restaurants in the Basque Block · Breweries and a strong small-city restaurant scene · Snake River Valley wine and cider · Sunnyslope wineries west of Boise
McCall: Breakfast at the Pancake House · Huckleberry ice cream at Ice Cream Alley
Sun Valley, Ketchum and the Wood River Valley: Idaho’s most polished mountain-town restaurant scene · Upscale post-ski and post-hike dining
Stanley and the Sawtooth National Recreation Area: Limited, practical mountain-town dining; stock up before arriving