$57 Cheap Flights to Post Falls, ID

Flights to Post Falls at a glance

Traveling to Post Falls is easy; simply choose between full-service and budget airlines. Compare travel times to find the best fit for your schedule and budget, ensuring you have the perfect opportunity to discover the city's renowned attractions and charming neighborhoods.

• Major airport near Post Falls: Spokane International Airport (GEG)
• Flights per week: 2,200+ flights arriving at Post Falls airport
• Number of airlines that fly to Post Falls: around 20+ carriers

Popular airport near Post Falls

Post Falls is a vibrant city ideal for outdoor family adventures. Visitors flock to this picturesque destination for its scenic beauty and wide range of entertainment options. Conveniently, Post Falls is accessible via major airports, including Spokane International Airport, making travel easy for those seeking a memorable getaway.

• Spokane International Airport (GEG): Situated in Spokane County, Washington, approximately 28 miles from Post Falls, this airport offers an extensive range of flights, connecting to over 185 domestic locations and more than 45 international spots. Travelers have the option to enhance their journey by selecting first class, premium economy, or business class seating for increased comfort, depending on the airlines and routes chosen. Major airlines operating here include Delta, Alaska Airlines, and American Airlines.

Top routes to Post Falls

• Phoenix (PHX) to Post Falls (GEG), with one-way fares starting at around $80
• Los Angeles (LAX) to Post Falls (GEG), with one-way tickets available from around $80
• Seattle (SEA) to Post Falls (GEG), with one-way tickets available from around $50
• Las Vegas (LAS) to Post Falls (GEG), with one-way flight options from around $80
• San Diego (SAN) to Post Falls (GEG), with one-way fares starting at around $75

Cheapest routes to Post Falls

• Seattle (SEA) to Post Falls (GEG), with cheap one-way fares from around $50
• Denver (DEN) to Post Falls (GEG), with low-cost one-way tickets from around $60
• San Francisco (SFO) to Post Falls (GEG), with budget one-way fares from around $70
• Boise (BOI) to Post Falls (GEG), with low-cost one-way tickets from around $70
• San Diego (SAN) to Post Falls (GEG), with cheap one-way fares from around $75

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

Top airlines with flights to Post Falls

• Delta: Operating flights to Spokane International Airport (GEG), Delta represents approximately 30% of arrivals in Post Falls. The average fare for a one-way ticket is around $270. Premium options may feature premium economy and first-class service, varying by route.
• Alaska Airlines: Also flying into Spokane International Airport (GEG), Alaska Airlines accounts for about 24% of Post Falls arrivals. Travelers can expect an average one-way fare of approximately $250, with business and first-class options available based on the route.
• United: Serving Spokane International Airport (GEG), United makes up roughly 15% of the arrivals in Post Falls. The typical one-way fare is around $310, with first-class service potentially offered depending on the specific route.
• American Airlines: With flights to Spokane International Airport (GEG), American Airlines accounts for nearly 14% of arrivals to Post Falls. The average one-way fare is about $260, and first-class service may be available based on the route.
• Southwest Airlines: Operating to Spokane International Airport (GEG), Southwest Airlines constitutes around 14% of Post Falls arrivals. Passengers can look forward to average one-way fares of approximately $250.

Best time to fly to Post Falls

The most popular months for travelers to fly to Post Falls are February, March, and April, when peak temperatures in Post Falls can reach up to 43.5°F in April. If you prefer quieter travel, consider September, the least busy time to visit with temperatures around 60.1°F and typically the lowest average one-way fare (around $219), roughly 9% cheaper than the yearly average. Looking for additional cheaper months to fly? October, August, and May offer average one-way fares of around $229, 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 Post Falls

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

*For members. Select hotels.

Arriving in Post Falls

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

• Public transportation: From Spokane International Airport, Spokane Seaport, a seaport, is located about 7.4 miles away by car, while Spokane Intermodal Center, a train station, is situated approximately 7.6 miles from the airport, making both accessible by car.
• Hotel transfer: Transfers offer a convenient way to reach your hotel in Post Falls, with private rides that can be arranged in advance.
• Car rental: Renting a car in Post Falls is a good option if you plan to explore and sightsee beyond the city. Browse cheap car rentals in Post Falls 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 Post Falls

• Coeur d'Alene: Coeur d'Alene is located 8 miles drive away from Post Falls and is a thriving destination for outdoor enthusiasts and families alike. The city boasts a stunning lake, perfect for romantic strolls or scenic picnics, and features popular venues like a water park and golf courses. Key highlights include Lake Coeur d'Alene, ideal for a picturesque getaway, and McEuen Park, an urban oasis great for family outings. Don't miss the historic charm of North Idaho College, which adds a cultural touch to your visit.
• Newman Lake: Newman Lake is located 6 miles away from Post Falls and is a serene retreat for those seeking outdoor adventures and breathtaking scenery. This quaint city offers a recreational area and campground, making it perfect for nature lovers. Visitors can explore Liberty Lake, a romantic spot for relaxation, and the Hauser Conservation Area, where eco-friendly activities abound. Stateline City Hall embodies the area's small-town charm, providing a glimpse into local governance and community life.
• Hayden: Hayden is located 8 miles drive away from Post Falls and invites families and adventurers to enjoy its outdoor offerings. With a variety of activities like campgrounds and a water park, there's something for everyone. Lake Hayden is an excellent choice for a scenic beach day, while McEuen Park serves as a family-friendly space for recreation. The Kootenai County Fairgrounds hosts various events, making it a lively spot for visitors looking to experience local culture and fun.

Tips for short-haul flights to Post Falls

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 is often more economical. Maximize space by using mini toiletries, wearing your heaviest clothing, and strategically planning your outfits. This approach also allows you to bypass waiting at baggage claim upon arrival.
• Bring your own entertainment—many short-haul flights might lack in-flight entertainment. Download your favorite TV shows, movies, music, or podcasts ahead of time, and consider bringing a book to keep yourself occupied. Remember to fully charge your devices before you board.
• Arrive at the airport in plenty of time—for short or domestic flights, it’s advisable to arrive at least 1.5 to 2 hours before departure, taking into account traffic and security lines.
• Bring your own snacks and water—pack some snacks and a refillable water bottle to stay hydrated and save money while at the airport.

Tips for long-haul flights to Post Falls

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 may provide complimentary seat selection once online check-in opens, typically 24–48 hours before your flight. Some airlines allow seat selection even earlier than this.
• 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 moment to explore the shops, enjoy a coffee at a café, or unwind at the gate or a departure lounge if you have access. Airport Wi-Fi is generally free and available.
• Adjust to the new time zone mid-flight—begin syncing your body clock by changing your watch and modifying your sleep schedule to align with your destination's time zone. Try to rest or stay awake during the flight according to the local time at your arrival destination to help minimize jet lag.

Tips to find the cheapest flights to Post Falls

The cheapest day to fly

Get started finding a cheap flight to Post Falls 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

December is the cheapest month to fly to Post Falls. 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 Post Falls. 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 Post Falls, 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 Post Falls

The lowest price for round-trip flights to Post Falls in 2026 starts from $90, while one-way tickets start from from $57. 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 Post Falls. If you have a preferred departure time or airline, you can use the handy filters to customize your search.

The cheapest airlines flying to Post Falls

Allegiant Air, Delta, American Airlines, Southwest Airlines, United, Alaska Airlines are just some of the airlines that can typically offer cheap tickets to Post Falls. 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 Post Falls and countless more destinations worldwide.

The most affordable airports to fly into

To view the cheapest airports to fly into for Post Falls, 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 Post Falls. 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 Post Falls 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 Post Falls

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 Post Falls.

Stopover savings

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