Prices were available within the past 7 days and start at $139 for one-way flights and $217 for roundtrip, for the period specified. Prices and availability are subject to change.
Traveling to Custer is easy with a variety of full-service airlines available. Review the flight times to find the option that best fits your schedule, allowing you to enjoy the city's renowned attractions and charming neighborhoods.
Major airport near Custer: Bellingham International Airport (BLI)
Flights per week: 290+ flights arriving at Custer airport
Number of airlines that fly to Custer: around 3 carriers
Popular airport near Custer
Custer is a charming city ideal for outdoor enthusiasts, scenic getaways, and romantic retreats. Visitors are drawn to Custer for its beautiful landscapes, family-friendly activities, wellness options, and opportunities for relaxation. The city is conveniently accessible via a major airport.
Bellingham International Airport (BLI): Situated in Whatcom County, Washington, approximately 10 miles from Custer, this airport offers domestic flights to over 40 cities nationwide. Passengers have the option to upgrade to first class or business class seating for enhanced comfort, depending on their chosen airlines and routes. Key airlines servicing BLI include Alaska Airlines, American Airlines, and Hawaiian Airlines.
Top routes to Custer
Denver (DEN) to Custer (BLI), with one-way airfare from around $140
Los Angeles (LAX) to Custer (BLI), with one-way flight options from around $120
San Diego (SAN) to Custer (BLI), with one-way airfare from around $120
Phoenix (PHX) to Custer (BLI), with one-way fares starting at around $120
Sacramento (SMF) to Custer (BLI), with one-way flight options from around $140
Cheapest routes to Custer
Seattle (SEA) to Custer (BLI), with budget one-way fares from around $70
Portland (PDX) to Custer (BLI), with low-cost one-way tickets from around $80
Spokane (GEG) to Custer (BLI), with cheap one-way fares from around $110
Los Angeles (LAX) to Custer (BLI), with low-cost one-way tickets from around $120
Phoenix (PHX) to Custer (BLI), with low-cost one-way tickets from around $120
*Flight times and fares vary by season and availability and are based on one-way routes
Top airlines with flights to Custer
Alaska Airlines: This airline operates flights to Bellingham International Airport (BLI), responsible for approximately 94% of the arrivals in Custer. The average one-way fare hovers around $300, with potential business class options available on certain routes.
American Airlines: Servicing Bellingham International Airport (BLI), American Airlines accounts for about 3% of the arrivals to Custer. Travelers can expect average one-way fares near $370.
Hawaiian Airlines: Providing flights to Bellingham International Airport (BLI), Hawaiian Airlines represents roughly 3% of arrivals to Custer, with an average one-way fare estimated at $250.
Best time to fly to Custer
The most popular months for travelers to fly to Custer are March, April, and July, when peak temperatures in Custer can reach up to 64.2°F in July. If you prefer quieter travel, consider May, the least busy time to visit with temperatures around 54.7°F and typically the lowest average one-way fare (around $283), roughly 9% cheaper than the yearly average. Looking for additional cheaper months to fly? January, October, and February offer average one-way fares roughly ranging from $284 to $305, making them good options for flexible travelers.
Month
Temperature
Precipitation
Cloudiness
Demand
Average one-way Fare
January
39.2°F (4.0°C)
Moderate Rain
Mostly Cloudy
Average
$284
February
39.0°F (3.9°C)
Light Rain
Mostly Cloudy
Average
$305
March
43.0°F (6.1°C)
Moderate Rain
Mostly Cloudy
Moderately High
$325
April
47.5°F (8.6°C)
Light Rain
Mostly Cloudy
Moderately High
$319
May
54.7°F (12.6°C)
Light Rain
Mostly Sunny
Moderately Low
$283
June
59.2°F (15.1°C)
Light Rain
Mostly Sunny
Average
$322
July
64.2°F (17.9°C)
No Rain (Dry)
Mostly Sunny
Moderately High
$324
August
64.6°F (18.1°C)
No Rain (Dry)
Mostly Sunny
Average
$329
September
59.2°F (15.1°C)
Light Rain
Mostly Sunny
Average
$316
October
51.1°F (10.6°C)
Moderate Rain
Mostly Sunny
Average
$297
November
43.3°F (6.3°C)
Frequent Rain
Mostly Cloudy
Moderately Low
$319
December
37.6°F (3.1°C)
Moderate Rain
Mostly Cloudy
Moderately Low
$344
*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 Custer
Getting some of the best deals on flights to Custer 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.
Set up price alerts—as an Expedia member you can use Price Tracking to receive notifications when flight prices change.