$70 Cheap Flights to Union, ME

Flights to Union at a glance

Traveling to Union is easy—choose between full-service and budget airlines, compare flight durations, and select the option that best fits your budget and travel plans to discover the city's iconic attractions and neighborhoods.

• Major airports near Union: Portland International Jetport Airport (PWM), Augusta State Airport (AUG), Knox County Regional Airport (RKD)
• Closest airport to Union: Knox County Regional Airport, RKD (around 14 miles)
• Flights per week: 1,800+ flights arriving across Union airports
• Number of airlines that fly to Union: around 10+ carriers

Popular airports near Union

Union is a charming city ideal for outdoor enthusiasts, scenic getaways, and romantic escapes. Visitors are drawn to Union for its diverse offerings, including adventure and beach activities. The city is conveniently served by three major airports.

• Portland International Jetport Airport (PWM): Situated in Cumberland County, Maine, approximately 65 miles from Union, this airport offers both domestic and international flights, linking travelers to over 165 domestic cities and more than 30 international locales. Major airlines such as American Airlines, United, and Delta operate here, with options for first class and premium economy seating available based on the chosen routes and carriers.
• Augusta State Airport (AUG): Found in Kennebec County, Maine, about 27 miles from Union, this airport primarily serves domestic flights. Key airlines operating from this location include Hahn Air and JetBlue Airways, providing travelers with convenient options for regional travel.
• Knox County Regional Airport (RKD): Located in Knox County, Maine, just 14 miles from Union, this airport focuses on domestic routes. Travelers flying from here can choose from popular airlines like Hahn Air and JetBlue Airways for their journey.

Top routes to Union

• Orlando (MCO) to Union (PWM), with one-way tickets available from around $70
• New York (JFK/LGA) to Union (PWM), with one-way flight options from around $60
• Washington (IAD/DCA) to Union (PWM), with one-way tickets available from around $90
• Chicago (ORD/MDW) to Union (PWM), with one-way airfare from around $90
• Tampa (TPA) to Union (PWM), with one-way tickets available from around $65

Cheapest routes to Union

• Charleston (CHS/CRW) to Union (PWM), with affordable one-way prices from around $50
• New York (JFK/LGA) to Union (PWM), with budget one-way fares from around $60
• Raleigh (RDU) to Union (PWM), with budget one-way fares from around $60
• Tampa (TPA) to Union (PWM), with low-cost one-way tickets from around $65
• Norfolk (ORF) to Union (PWM), with budget one-way fares from around $65

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

Top airlines with flights to Union

• American Airlines: Operating flights to Portland International Jetport Airport (PWM), American Airlines represents about 36% of arrivals into Union. The typical one-way fare is around $270, with options for first-class service on select routes.
• United: Providing service to Portland International Jetport Airport (PWM), United accounts for approximately 23% of arrivals to Union. The average fare for a one-way ticket is roughly $310, and first-class seating may be available depending on the route.
• Delta: Servicing Portland International Jetport Airport (PWM), Delta contributes around 21% of the total arrivals to Union. One-way fares average about $260, with premium economy and first-class options offered based on the route.
• Southwest Airlines: Flying into Portland International Jetport Airport (PWM), Southwest Airlines makes up roughly 12% of arrivals to Union. Travelers can expect average one-way fares to be around $270.
• Breeze: Offering flights to Portland International Jetport Airport (PWM), Breeze accounts for about 3% of arrivals in Union. The average one-way fare is approximately $120, making it an economical option for travelers.

Best time to fly to Union

The most popular months for travelers to fly to Union are March, April, and July, when peak temperatures in Union can reach up to 65.7°F in July. If you prefer quieter travel, consider January, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 25.7°F. For better deals, September usually offers the lowest average one-way fare around $215, roughly 10% cheaper than the yearly average. Looking for additional cheaper months to fly? January, August, and May offer average one-way fares of around $227, 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 Union

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

*For members. Select hotels.

Arriving in Union

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

• Public transportation: From Portland International Jetport Airport, travelers can easily access several transport options: Portland Transportation Center, a train station, is approximately 2.4 miles from the airport by car, while Portland Seaport, a seaport, is about 4.2 miles away by car, and Casco Bay Lines Ferry Terminal, a ferry terminal, is located roughly 4.9 miles from the airport by car.
• Hotel transfer: Transfers offer a convenient way to reach your hotel in Union, with private rides that can be arranged in advance.
• Car rental: Renting a car in Union is a good option if you plan to explore and sightsee beyond the city. Browse cheap car rentals in Union 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 Union

• Waldoboro: Located 9 miles drive away from Union, Waldoboro is a charming city perfect for outdoor enthusiasts and nature lovers. With its scenic hiking trails and recreational areas, visitors can immerse themselves in the stunning landscapes. Key attractions include the peaceful St. George River, ideal for a scenic getaway, and Damariscotta Lake, a romantic spot for beach lovers. Don’t miss the Rockland Harbor Park, where families can enjoy urban green spaces amidst city life. Waldoboro is a great destination year-round, particularly in the warmer months when outdoor activities abound.
• Owls Head: Situated 20 miles drive away from Union, Owls Head is a picturesque city known for its breathtaking natural beauty and adventure opportunities. Outdoor activities are plentiful, with hiking trails and parks that showcase the area's stunning scenery. Key points of interest include the historic Rockland Breakwater Lighthouse, which offers a glimpse into the region's maritime culture, and Owls Head State Park, where visitors can explore diverse landscapes. Families will enjoy Rockland Harbor Park, combining urban charm with outdoor fun. This area is especially enchanting during the fall when foliage transforms the landscape.
• Thomaston: Thomaston is located 12 miles drive away from Union and offers a delightful blend of outdoor experiences and cultural attractions. Visitors can enjoy golf at local courses or relax at Sandy Beach, a lovely spot for a beach day. The Maine Lighthouse Museum is a must-see for those interested in the area's maritime history. Additionally, Rockland Harbor Park is perfect for family outings, providing a mix of nature and city amenities. With its scenic vistas and recreational opportunities, Thomaston is best enjoyed during the spring and summer months.

Tips for short-haul flights to Union

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

• Pack light and skip checked bags—with budget airlines, traveling with just a carry-on is often more economical. Save space by using mini toiletries, wearing your bulkiest clothing, and planning your outfits wisely. This strategy also helps you avoid the hassle of waiting at baggage claim upon arrival.
• 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 don't forget to bring a book. Ensure your devices are fully charged 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 refillable water bottle to stay hydrated and save money while at the airport.

Tips for long-haul flights to Union

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 free seat selection once online check-in opens, typically 24–48 hours before your flight. Some airlines may offer the option to select seats even earlier.
• Arrive at the airport in plenty of time—aim to reach the airport at least 3 hours before departure for international flights. This will give you ample time for check-in, security screening, and immigration procedures.
• Relax at the airport—if you find yourself with extra time, take the opportunity to explore the shops, visit a coffee shop, 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 syncing your body clock by changing your watch and sleep schedule to align with your destination's time zone. Try to either 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 Union

The cheapest day to fly

Get started finding a cheap flight to Union 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

November is the cheapest month to fly to Union. 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 Union. 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 Union, 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 Union

The lowest price for round-trip flights to Union in 2026 starts from $140, while one-way tickets start from from $70. 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 Union. If you have a preferred departure time or airline, you can use the handy filters to customize your search.

The cheapest airlines flying to Union

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

The most affordable airports to fly into

To view the cheapest airports to fly into for Union, 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 Union. 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 Union 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 Union

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 Union.

Stopover savings

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