Cheap Flights to Mercersburg, PA

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Frequently asked questions

What month is the cheapest to fly to Mercersburg?
For Mercersburg, September is the cheapest month to fly, with average fares around $422. This month typically has lower travel demand, making it a great time to find deals. You can also look for affordable flights in January, February, and April.*Prices based on flights available on Expedia in the last year.
Which US cities have the cheapest flights to Mercersburg?
These US cities offer the cheapest flights to Mercersburg:

  • Ogdensburg (OGS)
  • Lancaster (LNS)
  • DuBois (DUJ)
  • Morgantown (MGW)
  • Plattsburgh (PBG)

with fares often starting from $30.
Which US cities fly direct to Mercersburg?
You can reach Mercersburg via direct flights from many US cities. Here are the options by airport:To Ronald Reagan Washington National (DCA)
  • Boston (BOS)
  • Chicago (MDW, ORD)
  • Atlanta (ATL)
  • New York (JFK, LGA)
  • Houston (HOU, IAH)

To Baltimore Washington Intl. Thurgood Marshall (BWI)
  • Atlanta (ATL)
  • Orlando (MCO)
  • Dallas (DAL, DFW)
  • Houston (HOU, IAH)
  • Chicago (MDW, ORD)

To Washington Dulles Intl. (IAD)
  • Los Angeles (LAX)
  • Atlanta (ATL)
  • Denver (DEN)
  • Orlando (MCO)
  • San Francisco (SFO)

How to find a cheap flight to Mercersburg?
To find a cheap flight to Mercersburg, be flexible with your dates. Traveling in the off-season or shoulder season can help you save. Mid-week flights are usually less expensive, too. Use flight search engines, like Expedia, to compare airlines, flight times and routes all in one place to find affordable rates. You may find that flights with layovers are cheaper than direct flights. You can also set up Price Tracking and receive alerts when fares go up or down.
Which airlines fly to Mercersburg?
Several airlines offer flights to Mercersburg:

  • American Airlines
  • Delta
  • Delta Air Lines
  • Frontier Airlines
  • JetBlue Airways
  • Spirit Airlines
  • United
  • United Airlines

Where do you fly into Mercersburg?
If you're heading to Mercersburg, you have several airport options:

  • The closest major airport is Washington, DC (DCA-Ronald Reagan Washington National), about 90 miles from the city center, which is a hub for American Airlines, United, and Delta, with other airlines like JetBlue Airways, Air Canada also operating here.
  • Washington, DC (IAD-Washington Dulles Intl.) is another option, about 68 miles away, serving as a hub for United, British Airways, and Delta, with TAP Portugal, Avianca also operating here.
  • Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall), about 96 miles away, serving as a hub for WN, Delta, and American Airlines, with Frontier Airlines, United also operating here.
  • Harrisburg, PA (MDT-Harrisburg Intl.), about 83 miles away, serving as a hub for American Airlines, United, and Delta, with PT, Frontier Airlines also operating here.
  • State College, PA (SCE-University Park), about 71 miles away, serving as a hub for United, American Airlines, and PT, with Alaska Airlines and Emirates also operating here.

What is the cheapest airport to fly to in Mercersburg?
The most affordable airport to fly into in Mercersburg is typically Washington, DC (IAD-Washington Dulles Intl.), located around 68 miles from downtown Mercersburg.*Prices based on flights available on Expedia in the last year.
Which budget airlines fly to Mercersburg?
Looking for affordable flights to Mercersburg? There are 10 budget carriers to choose from:

  • Southwest Airlines: serves Washington (IAD), Baltimore (BWI), Washington (DCA)
  • Frontier Airlines: serves Washington (IAD), Harrisburg (MDT), Baltimore (BWI), Washington (DCA)
  • Spirit Airlines: flies to Baltimore (BWI)
  • JetBlue Airways: serves Washington (IAD), Washington (DCA)
  • WestJet: serves Washington (IAD), Harrisburg (MDT), Baltimore (BWI), Washington (DCA)
  • Sun Country Airlines: serves Washington (IAD), Baltimore (BWI)
  • Breeze: flies to Washington (IAD)
  • Condor: serves Baltimore (BWI), Washington (DCA)
  • GOL Linhas Aereas Inteligentes: flies to Washington (DCA)
  • GOL Linhas Aereas S.A.: flies to Washington (DCA)

What is the best month to visit Mercersburg?
The best month to visit Mercersburg depends on your priorities, whether you want ideal weather, fewer crowds, or the lowest prices. If affordability matters most, look for cheap flights outside of peak season.
How far in advance should I book a flight to Mercersburg?
For domestic travel to Mercersburg, booking around 1 month in advance can help you find the best prices. For international flights to Mercersburg, aim to book around 1 month ahead to get cheaper fares. For added peace of mind, use Expedia's Price Drop Protection™ when you make your booking. It's free to use for Gold and Platinum members on the Expedia app. Once a qualifying flight is purchased, we'll automatically check your flight on Expedia until the day of your departure and notify you if there are price changes. If your flight price drops after you book, we'll automatically award the price difference in OneKeyCash™* into your One Key account after your trip ends.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What day of the week is cheapest day to buy a plane ticket to Mercersburg?
Saturday is typically the cheapest day to buy a plane ticket to Mercersburg, averaging around $405. This is likely due to fewer business travelers flying on weekends. If Saturday isn't an option, you might also find good prices on Friday. Use Expedia's Price Tracking tool to monitor prices for your trip and receive alerts when fares go up or down.*Cheapest day to book based on flights available on Expedia in the last year.
What is the most expensive month to fly to Mercersburg?
December is the most expensive month to fly to Mercersburg, with average return ticket prices around $495. This is about 9% higher than the average throughout the past year, likely due to holiday travel. To save on your trip, consider visiting in September or October when prices are generally more affordable.*Prices based on flights available on Expedia in the last year.
How can I track flight prices to Mercersburg?
Our Price Tracking tool allows you to monitor fares to Mercersburg. You can view flight price history and see predictions of future prices as available. When you're signed into your Expedia account, you can set up flight price alerts too. This way, you'll receive notifications when prices go up or down, so you know when it's the right time to book.
How to get a cheap last-minute flight to Mercersburg?
It is possible to find cheap, last-minute flights to Mercersburg, especially if you can be flexible with your dates, times and route. Whether you're planning a spontaneous getaway or need to travel for business, there are plenty of last-minute flight deals on Expedia. You can also bundle your flight and hotel for even more savings with a package deal.
Can I earn miles booking a flight to Mercersburg with Expedia?
You can earn miles when booking a flight to Mercersburg on Expedia. Before confirming your booking, just select the frequent flyer program name and enter your program number. For even more rewards, join One Key™—our free travel rewards program. One Key members earn OneKeyCash™* on eligible bookings for every dollar spent.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
Can I save money by booking a Mercersburg trip package?
Book a Mercersburg flight and hotel package deal on Expedia, and you can make significant savings. It's simple to bundle your accommodations and flights, and you can also add car rentals and activities to create your own customized Mercersburg trip. Plus, nothing beats the convenience of booking everything in the same place.
Can I change or cancel my flight to Mercersburg?
It's often possible to cancel or change your flight to Mercersburg using Expedia. Many airlines let you cancel your flights for free within 24 hours of booking. However, some flights are non-refundable, and airlines may offer to reschedule your flight rather than provide a direct refund. To find affordable flights to Mercersburg with flexible change policies, select "No cancel fee" or "Changes included" when you search. Need more information? Visit our Customer Service Portal.

*Flight schedules are subject to change.

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Tips to find the cheapest flights to Mercersburg

The cheapest day to fly

Get started finding a cheap flight to Mercersburg 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

is the cheapest month to fly to Mercersburg. 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 Mercersburg. 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 Mercersburg, 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 Mercersburg

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

The cheapest airlines flying to Mercersburg

are just some of the airlines that can typically offer cheap tickets to Mercersburg. 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 Mercersburg and countless more destinations worldwide.

The most affordable airports to fly into

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

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 Mercersburg.

Stopover savings

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

Tips to find the cheapest flights to Mercersburg

Travel information

Destination airport
Mercersburg
Destination airport IATA code
HGR

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*Available to One Key members.