Cheap flights to Boise
21 cities have regular scheduled flights to Boise (BOI). 19 airlines fly to the city, from major international carriers to budget low-cost options. Most flights depart from Seattle, Los Angeles, Spokane, Portland, San Francisco. Compare fares, choose the best option and book your tickets online at the best price. Enter your departure city above to find flights and check prices.
Denver — Boise
San Diego — Boise
Las Vegas — Boise
Long Beach — Salt Lake City
San Francisco — Los Angeles
Phoenix — San Diego
Salt Lake City — Denver
Minneapolis — Denver
San Jose — Seattle
Los Angeles — San Francisco
Seattle — Portland
Dallas — Denver
Popular departure cities to Boise
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United StatesFlight insights to Boise
Data-driven trends for direct flights to Boise — how often airlines fly, where passengers come from, and typical fares and flight times.
Most frequent departure cities
The most frequent direct routes to Boise come from Seattle, Los Angeles and Spokane. Seattle leads with around 375 flights a week.
- Seattle375 flights/week
- Los Angeles164 flights/week
- Spokane109 flights/week
- Portland108 flights/week
- San Francisco87 flights/week
Direct routes & fares
Popular non-stop routes to Boise range from San Francisco at $76 to Portland at $112 — a quick way to compare direct-flight fares.
- Seattlefrom $109
- Los Angelesfrom $82
- Spokanefrom $103
- Portlandfrom $112
- San Franciscofrom $76
Cheapest departure cities
The cheapest places to fly to Boise from right now are Denver from $58, San Francisco from $76 and San Diego from $78.
- Denverfrom $58
- San Franciscofrom $76
- San Diegofrom $78
- Los Angelesfrom $82
- Las Vegasfrom $83
Longest direct flights
The longest direct flight to Boise is from Anchorage at about 4h 18m, followed by Atlanta (4h 17m) and Chicago (3h 30m).
- Anchorage4h 18m
- Atlanta4h 17m
- Chicago3h 30m
- Dallas3h 10m
- Minneapolis2h 51m
Frequently asked questions
- Which cities have flights to Boise?
- There are 21+ cities with regular flights to Boise, from major international hubs to nearby regional airports. Pick your departure city to compare fares and book.
- Where do most flights to Boise depart from?
- Most travelers fly to Boise from Seattle, Los Angeles, Spokane, Portland, San Francisco. These routes have the highest flight frequency and passenger traffic, so fares are usually competitive.
- How many airlines fly to Boise?
- 19 airlines operate flights to Boise, ranging from major international carriers to budget low-cost airlines. Competition helps keep fares affordable.
- When is the best time to book flights to Boise?
- For short-haul routes, booking 4–8 weeks ahead usually gives the best prices. For long-haul flights, aim for 2–3 months ahead. Prices also drop in off-peak seasons and for midweek departures.
- How to find cheap flights to Boise?
- Compare offers from multiple airlines, use flexible dates and set up price alerts. Our platform lets you track price trends and choose the best time to buy your tickets.