$59 Cheap Flights to Black Diamond, WA

Flights to Black Diamond at a glance

Traveling to Black Diamond is easy; you can select from full-service or budget airlines. Compare travel times and choose the option that best fits your budget and itinerary while planning to explore the city’s renowned attractions and neighborhoods.

• Major airport near Black Diamond: Seattle - Tacoma International Airport (SEA)
• Flights per week: 7,350+ flights arriving at Black Diamond airport
• Number of airlines that fly to Black Diamond: around 65+ carriers

Popular airport near Black Diamond

Black Diamond is a charming city ideal for outdoor enthusiasts, scenic views, and romantic getaways. Visitors are drawn to its beautiful landscapes, family-friendly atmosphere, and vibrant urban life. The city is conveniently served by a major airport, making travel easy for all.

• Seattle - Tacoma International Airport (SEA): Situated in King County, Washington, approximately 17 miles from Black Diamond, this airport caters to both domestic and international travelers. It provides connections to over 270 domestic cities and more than 285 international locations. Passengers can opt for first class, business class, or premium economy service, depending on the airlines and routes. Major carriers at this airport include Alaska Airlines, Delta, and American Airlines.

Top routes to Black Diamond

• Los Angeles (LAX) to Black Diamond (SEA), with one-way flight options from around $55
• Phoenix (PHX) to Black Diamond (SEA), with one-way flights starting at around $50
• Las Vegas (LAS) to Black Diamond (SEA), with one-way flights starting at around $45
• Chicago (ORD/MDW) to Black Diamond (SEA), with one-way fares starting at around $80
• Denver (DEN) to Black Diamond (SEA), with one-way fares starting at around $50

Cheapest routes to Black Diamond

• Las Vegas (LAS) to Black Diamond (SEA), with low-cost one-way tickets from around $45
• Phoenix (PHX) to Black Diamond (SEA), with low one-way fares from around $50
• Denver (DEN) to Black Diamond (SEA), with low one-way fares from around $50
• Sacramento (SMF) to Black Diamond (SEA), with budget one-way fares from around $50
• Salt Lake City (SLC) to Black Diamond (SEA), with budget one-way fares from around $50

*Flight times and fares vary by season and availability and are based on one-way routes

Top airlines with flights to Black Diamond

• Alaska Airlines: Operates flights to Seattle - Tacoma International Airport (SEA), representing about 29% of arrivals at Black Diamond. The average fare for a one-way ticket is roughly $320, with options for business class and first class available depending on the specific route.
• Delta: Services Seattle - Tacoma International Airport (SEA) and accounts for approximately 23% of arrivals to Black Diamond. The average one-way fare stands at around $440, with premium cabin options including premium economy, business class, and first class, varying by route.
• American Airlines: Flies into Seattle - Tacoma International Airport (SEA), making up about 14% of arrivals to Black Diamond. One-way fares average around $390, with premium cabin choices potentially including business class and first class as per the route.
• United: Provides service to Seattle - Tacoma International Airport (SEA), contributing roughly 13% of arrivals at Black Diamond. The average one-way fare is about $370, with options for premium economy, business class, and first class depending on the route.
• Southwest Airlines: Flies into Seattle - Tacoma International Airport (SEA) and represents around 7% of arrivals to Black Diamond. Travelers can expect an average one-way fare of about $230.

Best time to fly to Black Diamond

The most popular months for travelers to fly to Black Diamond are January, March, and April, when peak temperatures in Black Diamond can reach up to 46°F in April. If you prefer quieter travel, consider October, the least busy time to visit with temperatures around 50.5°F and typically the lowest average one-way fare (around $227), roughly 8% cheaper than the yearly average. Looking for additional cheaper months to fly? September, November, and February offer average one-way fares roughly ranging from $229 to $241, making them good options for flexible travelers.

*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 Black Diamond

Getting some of the best deals on flights to Black Diamond is all about timing and flexibility. Here are some key tips to help you save:

1. 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.
2. Set up price alerts—as an Expedia member you can use Price Tracking to receive notifications when flight prices change.
3. Bundle and save—book a flight and unlock a hotel deal on Expedia*, or explore our Black Diamond hotel and flight deals.
4. Think about luggage-nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your baggage allowance before confirming your booking to avoid excess baggage fees at the airport.
5. Earn miles—you can earn airline miles when you book your Black Diamond flight with Expedia. Just select your frequent flyer program and enter your program number when confirming your booking.

*For members. Select hotels.

Arriving in Black Diamond

Black Diamond welcomes travelers through its range of transport options based on price, convenience, and proximity. Here's how to reach Black Diamond efficiently:

• Public transportation: From Seattle - Tacoma International Airport, SeaTac/Airport Station, a metro station, is located about 0.3 miles from the airport and can be reached on foot, while Tukwila Station, a train station, is situated approximately 4.3 miles away and accessible by car.
• Hotel transfer: Transfers offer a convenient way to reach your hotel in Black Diamond, with private rides that can be arranged in advance.
• Car rental: Renting a car in Black Diamond is a good option if you plan to explore and sightsee beyond the city. Browse cheap car rentals in Black Diamond on Expedia.
• Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.

Where to stay around Black Diamond

• Enumclaw: Enumclaw is located 7 miles drive away from Black Diamond and is a haven for adventure seekers. Known for its stunning mountain scenery, the city offers access to outdoor activities year-round, including skiing at Crystal Mountain. Nature enthusiasts will appreciate the proximity to national parks and state parks, making it ideal for hiking and exploration. Don't miss the White River Amphitheatre, a fantastic venue for family-friendly entertainment, or Lake Tapps, a picturesque spot perfect for a romantic outing or a day at the beach.
• Auburn: Auburn is located 11 miles drive away from Black Diamond and is a vibrant city celebrated for its romantic charm and family-friendly atmosphere. This bustling area features a variety of entertainment options, including the renowned White River Amphitheatre and the Wild Waves Theme and Water Park, which offer fun for all ages. Outdoor activities abound with nearby lakes and parks, making it a great destination for family outings. Be sure to check out the Washington State Fair Events Center for exciting seasonal events and fairs that showcase local culture.
• Renton: Renton is located 16 miles away from Black Diamond and offers a mix of urban experiences suitable for families and outdoor enthusiasts. This city features excellent shopping centers and recreational areas, making it ideal for a leisurely day out. Key highlights include the Museum of Flight, which provides an engaging look at aviation history, and Gene Coulon Memorial Beach Park, perfect for a relaxing day by the lake. With its blend of city life and nature, Renton is a great spot to explore while visiting the area.

Tips for short-haul flights to Black Diamond

For quick getaways, efficiency is key. Here is how to make your short-haul journey smoother:

• Pack light and skip checked bags—when flying with budget airlines, traveling with just a carry-on can often save you money. Optimize your packing by choosing mini toiletries, wearing your bulkiest clothing, and planning versatile outfits. This strategy also helps you avoid the hassle of waiting at baggage claim once you arrive.
• Bring your own entertainment—short-haul flights frequently lack in-flight entertainment options. To keep yourself entertained, download your favorite TV shows, movies, music, or podcasts ahead of time, and consider bringing a book. Remember to fully charge your devices before you board.
• Arrive at the airport in plenty of time—for even short or domestic flights, it's advisable to arrive at least 1.5 to 2 hours prior to departure, taking into account potential traffic and security lines.
• Bring your own snacks and water—pack your favorite snacks and a refillable water bottle to stay hydrated and save money during your time at the airport.

Tips for long-haul flights to Black Diamond

Flying long-haul sometimes requires extra planning to ensure a comfortable journey:

• Select your seat in advance—for longer flights, choosing your seat is essential for comfort. Full-service airlines typically allow free seat selection once online check-in opens, which is generally 24–48 hours before your flight. Some airlines may offer the opportunity to select your seat even earlier.
• Arrive at the airport in plenty of time—make sure to arrive at the airport at least 3 hours before departure for international flights to accommodate check-in, security, and immigration procedures.
• Relax at the airport—if you have some extra time, take a moment to explore the shops, enjoy a coffee at a café, or unwind at the gate or in a departure lounge if you have access. Airport Wi-Fi is typically free and easy to connect to.
• Adjust to the new time zone mid-flight—begin syncing your body clock by changing your watch and adjusting your sleep schedule to align with your destination's time zone. Aim to sleep or stay awake during the flight according to the local time of your arrival to help minimize jet lag.

Tips to find the cheapest flights to Black Diamond

The cheapest day to fly

Get started finding a cheap flight to Black Diamond on Expedia by either choosing a deal on this page or entering into the search bar your travel dates, origin airport, and whether you want roundtrip or one-way airfare. You can filter for flexibility, number of stops, airline, and departure/arrival times to find the best flight for you.

The cheapest month to fly

October is the cheapest month to fly to Black Diamond. This coincides with the low season when fewer people travel. Whichever month you travel in, though, be sure to book at least a month in advance if you want to score cheap tickets to Black Diamond. ARC's data shows that domestic flights booked 28 days or more before departure are typically 24% cheaper than those booked last minute.

The most affordable time to book a flight

Typically, a Sunday can be the cheapest time to book a flight to Black Diamond, according to ARC’s data. On average, you could save between 6% and 13% by booking on a Sunday instead of a Friday, which is the most expensive day to make a reservation.

The cheapest round-trip tickets to Black Diamond

The lowest price for round-trip flights to Black Diamond in 2026 starts from $112, while one-way tickets start from from $59. Expedia's effective search tool is one of the best ways to find a budget airfare. Simply enter your dates, and within seconds, it'll show you a vast selection of the cheapest flights to Black Diamond. If you have a preferred departure time or airline, you can use the handy filters to customize your search.

The cheapest airlines flying to Black Diamond

Alaska Airlines, Southwest Airlines, United, Sun Country Airlines, Delta, Frontier Airlines are just some of the airlines that can typically offer cheap tickets to Black Diamond. You can find their most affordable flights by using the “airline” search filter and then sorting prices from low to high. As a trusted partner of the world's leading airlines, Expedia offers you some of the best airfare deals to Black Diamond and countless more destinations worldwide.

The most affordable airports to fly into

To view the cheapest airports to fly into for Black Diamond, simply order your search results from lowest to highest price. Expedia's search tool compares flight prices for all airports close to your destination, so you don't have to manually search them one by one to find the cheapest flight to Black Diamond. If you have a preferred place to fly into, take advantage of the “arrival airport” filter to narrow down your search on Expedia.

Save with a package

With Expedia's amazing package deals, you could save hundreds of dollars by booking your Black Diamond plane tickets together with your accommodations, car rental, or activities. Just select the search wizard's “package” option to view some of the cheapest deals. Look out for the green savings label to see how much you're saving.

Date flexibility for the cheapest flights to Black Diamond

If you can be flexible with your travel dates, it's a good idea to broaden your search by comparing prices on different days. This will open up more options, meaning you could uncover a less expensive flight to Black Diamond.

Stopover savings

The cheapest tickets to Black Diamond are sometimes those with a stopover. Book one of these flights, and you'll change planes at an airport en route to Black Diamond. While the overall travel time might be longer than a non-stop flight, you may decide it's worth it for the money saved.

Get Expedia's Price Drop Protection

Price Drop Protection means that if your flight gets cheaper after booking, you'll be credited the difference*. This gives you peace of mind that you're getting one of the cheapest flights to Black Diamond for your chosen departure. Expedia's Price Drop Protection is available for a small fee but is free to One Key Gold and Platinum tier members.

*Terms apply.

Use our Price Tracking feature

Expedia's Price Tracking feature is another great tool that removes the guesswork from finding cheap flights to Black Diamond. Simply download the free Expedia app to your smart device and activate Black Diamond flight price alerts for your travel dates. There's even a price predictor tool that uses historical data to indicate the best time to book, giving you peace of mind that you'll nab the lowest prices.

Book with Expedia

As well as Price Drop Protection and Price Tracking, Expedia's close partnership with a vast selection of the world's leading airlines means you're sure to find cheap flights to Black Diamond. Plus, the One Key rewards program lets you earn real cash rewards on most bookings that you can use to save money on future trips. Best of all, it's free to join, and members often unlock exclusive discounts, too.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.