$166 Cheap Flights to Sister Bay, WI

Flights to Sister Bay at a glance

Traveling to Sister Bay is easy—simply choose from a variety of airlines, whether you're looking for full-service or budget options. Compare travel times and select a flight that aligns with your budget and schedule, all while planning to explore the city's renowned sights and charming neighborhoods.

• Major airports near Sister Bay: Austin Straubel International Airport (GRB), Delta County Airport (ESC)
• Closest (typical) airport to Sister Bay: Delta County Airport, ESC (around 37 miles)
• Flights per week: 1,000+ flights arriving across Sister Bay airports
• Number of airlines that fly to Sister Bay: around 5+ carriers

Popular airports near Sister Bay

Sister Bay is a charming city perfect for outdoor enthusiasts and those seeking scenic beauty, romance, and adventure. Families are also drawn to its inviting atmosphere. Travelers can easily access Sister Bay via two major airports nearby, making it convenient for planning your getaway.

• Austin Straubel International Airport (GRB): Situated in Brown County, Wisconsin, approximately 69 miles from Sister Bay, this airport offers a mix of domestic and international flights, linking to over 110 domestic cities and 15 international locations. Travelers have the option to enhance their journey with upgrades to first class or premium economy seating, subject to the airline and route. Major airlines like United, Delta, and American Airlines operate here.
• Delta County Airport (ESC): Located in Delta County, Michigan, around 37 miles from Sister Bay, this airport primarily serves domestic flights, connecting passengers to about 3 cities nationwide. For those seeking extra comfort, premium economy seating upgrades are available based on the airline and route. Delta Airlines is the key carrier at this airport.

Top routes to Sister Bay

• Denver (DEN) to Sister Bay (GRB/ESC), with one-way tickets available from around $85
• Los Angeles (LAX) to Sister Bay (GRB), with one-way airfare from around $140
• Seattle (SEA) to Sister Bay (GRB), with one-way tickets available from around $140
• Orlando (MCO) to Sister Bay (GRB), with one-way flight options from around $130
• Las Vegas (LAS) to Sister Bay (GRB), with one-way flights starting at around $110

Cheapest routes to Sister Bay

• Denver (DEN) to Sister Bay (GRB/ESC), with budget one-way fares from around $85
• Detroit (DTW) to Sister Bay (GRB/ESC), with budget one-way fares from around $90
• Minneapolis (MSP) to Sister Bay (GRB/ESC), with low-cost one-way tickets from around $90
• Chicago (ORD) to Sister Bay (GRB), with budget one-way fares from around $95
• Houston (IAH) to Sister Bay (GRB), with budget one-way fares from around $100

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

Top airlines with flights to Sister Bay

• United: This airline operates flights to Austin Straubel International Airport (GRB), representing about 38% of all arrivals to Sister Bay. The average fare for a one-way ticket is around $280, with potential first-class service available depending on the route.
• Delta: Offering routes to both Austin Straubel International Airport (GRB) and Delta County Airport (ESC), Delta accounts for roughly 35% of arrivals in Sister Bay. Travelers can expect an average one-way fare of about $220, with premium economy and first-class options available depending on the route.
• American Airlines: This carrier services Austin Straubel International Airport (GRB) and makes up approximately 26% of Sister Bay's arrivals. The average one-way fare is around $270, with first-class service potentially available based on the specific route.
• Frontier Airlines: Operating flights to Austin Straubel International Airport (GRB), Frontier Airlines accounts for just about 1% of arrivals to Sister Bay. Passengers can anticipate an average one-way fare of roughly $150.
• Aeromexico: Providing service to Austin Straubel International Airport (GRB), Aeromexico offers an average one-way fare of around $370 for travelers heading to Sister Bay.

Best time to fly to Sister Bay

The most popular months for travelers to fly to Sister Bay are March, April, and July, when peak temperatures in Sister Bay can reach up to 66.7°F in July. If you prefer quieter travel, consider September, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 61.7°F. For better deals, May usually offers the lowest average one-way fare around $248, roughly 12% cheaper than the yearly average. Looking for additional cheaper months to fly? August and June offer average one-way fares of around $268, 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 Sister Bay

Getting some of the best deals on flights to Sister Bay 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 Sister Bay 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 Sister Bay flight with Expedia. Just select your frequent flyer program and enter your program number when confirming your booking.

*For members. Select hotels.

Arriving in Sister Bay

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

• Public transportation: From Austin Straubel International Airport, the Green Bay (De Pere Park and Ride) Bus Station, a bus station, is located about 5.5 miles away by car, providing convenient access for travelers needing bus services.
• Hotel transfer: Transfers offer a convenient way to reach your hotel in Sister Bay, with options including free hotel shuttles and private rides, which can be arranged in advance.
• Car rental: Renting a car in Sister Bay is a good option if you plan to explore and sightsee beyond the city. Browse cheap car rentals in Sister Bay 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 Sister Bay

• Ephraim: Nestled 3 miles drive away from Sister Bay, Ephraim offers a blend of outdoor adventure and romantic scenery. Visitors can enjoy the stunning Peninsula State Park, perfect for hiking and exploration, as well as the serene Ephraim Public Beach for sunbathing and relaxation. For those seeking nautical experiences, Eagle Harbor presents an excellent marina setting. Whether you're looking to hike through lush landscapes or unwind by the water, Ephraim is a charming destination that captures the essence of Door County's natural beauty.
• Fish Creek: Located 7 miles drive away from Sister Bay, Fish Creek is a vibrant spot for travelers in search of outdoor activities and scenic views. With its access to the Peninsula State Park, adventurers can explore trails and enjoy the natural surroundings. Relax at the Fish Creek Public Beach or take the family to Sunset Beach Park for a day of fun. The local theater scene also adds a cultural twist to your visit, making Fish Creek a delightful destination for both relaxation and exploration.
• North Bay: North Bay is located 3 miles drive away from Sister Bay and is an idyllic spot for nature lovers and couples seeking a romantic getaway. The village boasts access to beautiful beaches and the historic Cana Island Lighthouse, which makes for a perfect cultural excursion. Visitors can enjoy the serene Sister Bay Beach or engage in activities at Sister Bay Marina for a taste of adventure. With its tranquil atmosphere and scenic surroundings, North Bay is ideal for those looking to immerse themselves in Door County's charm.

Tips for short-haul flights to Sister Bay

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, it's often more economical to travel with just a carry-on. Optimize space by using travel-sized toiletries, wearing your heaviest clothing, and coordinating outfits efficiently. This strategy also helps you avoid the hassle of waiting at baggage claim after your flight.
• Bring your own entertainment—many short-haul flights may lack in-flight entertainment options. To keep yourself entertained, download 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—even for short or domestic flights, it's advisable to arrive at least 1.5 to 2 hours prior to departure, taking into account traffic and security lines.
• Bring your own snacks and water—pack some snacks and a reusable water bottle to stay hydrated and save money while at the airport.

Tips for long-haul flights to Sister Bay

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 often allow you to select your seat for free once online check-in opens, typically 24–48 hours before your flight. Some airlines may provide seat selection even earlier.
• Arrive at the airport in plenty of time—aim to arrive at the airport at least 3 hours prior to departure for international flights to accommodate check-in, security, and immigration procedures.
• Relax at the airport—if you have some extra time, take a stroll through the stores, grab a coffee, or unwind at the gate or in a departure lounge if you have access. Airport Wi-Fi is generally free and available.
• Adjust to the new time zone mid-flight—begin to sync your body clock by setting your watch and modifying your sleep schedule to align with your destination's time zone. Try to sleep or stay awake during the flight according to the local time at your arrival location to help minimize jet lag.

Tips to find the cheapest flights to Sister Bay

The cheapest day to fly

Get started finding a cheap flight to Sister Bay 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

September is the cheapest month to fly to Sister Bay. 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 Sister Bay. 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 Sister Bay, 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 Sister Bay

The lowest price for round-trip flights to Sister Bay in 2026 starts from $260, while one-way tickets start from from $166. 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 Sister Bay. If you have a preferred departure time or airline, you can use the handy filters to customize your search.

The cheapest airlines flying to Sister Bay

American Airlines, United, Delta are just some of the airlines that can typically offer cheap tickets to Sister Bay. 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 Sister Bay and countless more destinations worldwide.

The most affordable airports to fly into

To view the cheapest airports to fly into for Sister Bay, 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 Sister Bay. 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 Sister Bay 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 Sister Bay

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 Sister Bay.

Stopover savings

The cheapest tickets to Sister Bay are sometimes those with a stopover. Book one of these flights, and you'll change planes at an airport en route to Sister Bay. 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 Sister Bay 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 Sister Bay. Simply download the free Expedia app to your smart device and activate Sister Bay 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 Sister Bay. 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.