Prices were available within the past 7 days and start at $51 for one-way flights and $92 for roundtrip, for the period specified. Prices and availability are subject to change.
Getting to Three Forks is a breeze. You can select from a variety of airlines, whether you prefer low-cost options or full-service carriers. Compare travel times and choose the flight that aligns with your budget and schedule as you plan to discover the city's iconic sights and neighborhoods.
Major airports near Three Forks: Bozeman Yellowstone International Airport (BZN), Helena Regional Airport (HLN), Bert Mooney Airport (BTM)
Closest airport to Three Forks: Bozeman Yellowstone International Airport, BZN (around 21 miles)
Flights per week: 2,150+ flights arriving across Three Forks airports
Number of airlines that fly to Three Forks: around 15+ carriers
Popular airports near Three Forks
Three Forks is a charming city perfect for those seeking outdoor adventures and breathtaking scenery. Visitors flock here for its rich culture, wellness opportunities, and relaxation options. The city is conveniently accessible via three major airports, including Bozeman Yellowstone International Airport, making travel plans easy for anyone looking to explore this beautiful destination.
Bozeman Yellowstone International Airport (BZN): Situated in Gallatin County, Montana, approximately 21 miles from Three Forks, this airport offers a range of domestic and international flights, linking to over 170 domestic locations and more than 15 international destinations. Travelers can opt for first class, premium economy, or business class seating, depending on the airlines and routes. Major airlines operating here include United, Delta, and American Airlines.
Helena Regional Airport (HLN): Found in Lewis and Clark County, Montana, about 54 miles from Three Forks, this airport provides both domestic and international flights, serving around 55 domestic cities and 3 international destinations. Passengers have the option to upgrade to first class, business class, or premium economy seating based on their chosen route and airline. United, Delta, and Alaska Airlines are among the prominent carriers at this airport.
Bert Mooney Airport (BTM): Located in Silver Bow County, Montana, roughly 46 miles from Three Forks, this airport primarily handles domestic flights, connecting to over 10 cities nationwide. Travelers can select premium economy seating for enhanced comfort, depending on the airline and route. The main airlines serving Bert Mooney Airport include Delta and United.
Top routes to Three Forks
Boston (BOS) to Three Forks (HLN/BZN), with one-way flight options from around $140
Chicago (ORD/MDW) to Three Forks (HLN/BZN), with one-way flights starting at around $85
Seattle (SEA) to Three Forks (HLN/BTM/BZN), with one-way flights starting at around $60
Newark (EWR) to Three Forks (HLN/BZN), with one-way tickets available from around $110
Los Angeles (LAX) to Three Forks (HLN/BZN), with one-way flight options from around $120
Cheapest routes to Three Forks
Boise (BOI) to Three Forks (HLN/BZN), with cheap one-way fares from around $55
Seattle (SEA) to Three Forks (HLN/BTM/BZN), with low one-way fares from around $60
Portland (PWM/PDX) to Three Forks (HLN/BTM/BZN), with affordable one-way prices from around $75
Chicago (ORD/MDW) to Three Forks (HLN/BZN), with low one-way fares from around $85
Las Vegas (LAS) to Three Forks (HLN/BTM/BZN), with cheap one-way fares from around $90
*Flight times and fares vary by season and availability and are based on one-way routes
Top airlines with flights to Three Forks
United: This airline operates flights to Helena Regional Airport (HLN), Bert Mooney Airport (BTM), and Bozeman Yellowstone International Airport (BZN), making up about 32% of arrivals in Three Forks. Travelers can expect an average one-way fare of around $280, with premium service options potentially including first class based on the route.
Delta: Providing service to Helena Regional Airport (HLN), Bert Mooney Airport (BTM), and Bozeman Yellowstone International Airport (BZN), Delta accounts for roughly 25% of arrivals into Three Forks. The average one-way fare is about $260, with premium cabin choices that may consist of premium economy and first class depending on the route.
American Airlines: American Airlines operates flights solely to Bozeman Yellowstone International Airport (BZN), which represents around 17% of arrivals to Three Forks. The average fare for one-way tickets is approximately $250, and travelers may find first class available as a premium service option depending on the route.
Alaska Airlines: With flights to both Helena Regional Airport (HLN) and Bozeman Yellowstone International Airport (BZN), Alaska Airlines accounts for approximately 12% of arrivals to Three Forks. Average one-way fares are around $240, with premium service options possibly including business class or first class depending on the route.
Southwest Airlines: This airline exclusively serves Bozeman Yellowstone International Airport (BZN), constituting about 12% of the arrivals in Three Forks. Passengers can expect an average one-way fare of roughly $240.
Best time to fly to Three Forks
The most popular months for travelers to fly to Three Forks are March, July, and August, when peak temperatures in Three Forks can reach up to 69.6°F in July. If you prefer quieter travel, consider October, the least busy time to visit with temperatures around 43.2°F and typically the lowest average one-way fare (around $223), roughly 10% cheaper than the yearly average. Looking for additional cheaper months to fly? August, September, and January offer average one-way fares of around $230, making them good options for flexible travelers.
Month
Temperature
Precipitation
Cloudiness
Demand
Average one-way Fare
January
20.1°F (-6.6°C)
No Rain (Dry)
Mostly Sunny
Average
$234
February
21.4°F (-5.9°C)
No Rain (Dry)
Mostly Sunny
Average
$262
March
32.5°F (0.3°C)
No Rain (Dry)
Mostly Sunny
Moderately High
$268
April
40.3°F (4.6°C)
No Rain (Dry)
Mostly Sunny
Average
$237
May
50.9°F (10.5°C)
Light Rain
Mostly Sunny
Moderately Low
$274
June
60.3°F (15.7°C)
Light Rain
Mostly Sunny
Average
$265
July
69.6°F (20.9°C)
No Rain (Dry)
Sunny
Moderately High
$240
August
68.2°F (20.1°C)
No Rain (Dry)
Sunny
Moderately High
$225
September
59.0°F (15.0°C)
No Rain (Dry)
Sunny
Average
$228
October
43.2°F (6.2°C)
No Rain (Dry)
Mostly Sunny
Moderately Low
$223
November
29.5°F (-1.4°C)
No Rain (Dry)
Mostly Sunny
Moderately Low
$240
December
19.6°F (-6.9°C)
No Rain (Dry)
Mostly Sunny
Average
$282
*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.
How to save money on a flight to Three Forks
Getting some of the best deals on flights to Three Forks is all about timing and flexibility. Here are some key tips to help you save:
Compare flight options—use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.