Cheap Flights to Old Mountain

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Tips to find the cheapest flights to Old Mountain

The cheapest day to fly

Get started finding a cheap flight to Old Mountain 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 Old Mountain. 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 Old Mountain. 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 Old Mountain, 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 Old Mountain

The lowest price for round-trip flights to Old Mountain in 2025 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 Old Mountain. If you have a preferred departure time or airline, you can use the handy filters to customize your search.

The cheapest airlines flying to Old Mountain

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

The most affordable airports to fly into

To view the cheapest airports to fly into for Old Mountain, 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 Old Mountain. 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 Old Mountain 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 Old Mountain

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 Old Mountain.

Stopover savings

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

Frequently asked questions

What month is the cheapest to fly to Old Mountain?
The cheapest month to fly to Old Mountain is when demand is low. Off-peak months are often when you'll find cheap flights. To save money, avoid flying during major holidays and school breaks.
Which US cities fly direct to Old Mountain?
If you'd prefer to fly to Old Mountain directly, check out all the options by selecting "Direct flights only" when searching for available departures on Expedia.
How to find a cheap flight to Old Mountain?
Making travel plans in the low season and booking early are two smart ways to get cheap flights to Old Mountain. Or, consider departing on a Thursday, which is on average 16% cheaper than leaving on a Sunday.* Want to be the first to know as soon as fares drop? Just set up price tracking on the Expedia app to get real-time updates.*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
How to get a cheap last-minute flight to Old Mountain?
Being flexible with your plans may help you to secure last-minute deals on cheap flights to Old Mountain. To see all the available options, try looking at different ticket types, changing your Old Mountain vacation dates, leaving from an alternative airport or using another airline.
How far in advance should I book a flight to Old Mountain?
Lock in your flight to Old Mountain two to four months ahead if you're flying in from an international destination. For domestic travel, the timeframe is around 28 days in advance. Better deals and a wider variety of travel dates, schedules and seating options are just some of the advantages of booking early.**Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
Which day of the week is the cheapest day to buy a plane ticket to Old Mountain?
You can usually get cheap flights to Old Mountain on a Sunday. Travelers can save around 8% on average compared to booking on a Friday, which is typically the most expensive day for tickets.**Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
Where do you fly into Old Mountain?
Donegal Airport (CFN) is the main airport for passengers flying to Old Mountain. Or you could jet into Letterkenny (LTR-Letterkenny Airfield). Compare fares between the two airports to find the most cost-effective or convenient way to fly to Old Mountain.
How far is the airport from central Old Mountain?
You'll be approximately 35 mi west of the center of Old Mountain after landing at Donegal Airport (CFN).
Can I save money by booking an Old Mountain trip package?
You could possibly save hundreds of dollars if you lock in an Old Mountain flight and hotel package deal on Expedia. And you'll make life easier by having all your travel arrangements in the same place. Try bundling hotels and flights with add-ons like activities and tours for your own personalized Old Mountain escape.
Can I change or cancel my flight to Old Mountain?
You can often cancel or change your flight to Old Mountain within 24 hours of booking. However, keep in mind that some flights are non-refundable. In those cases, you may receive a credit toward future flights rather than a direct refund. Make sure you check the airline's terms and conditions in your itinerary for specific details. You can use Expedia's "No cancel fee" or "Changes included" filters during your search to find cheap flights to Old Mountain with flexible change policies. For additional information, visit our Customer Service Portal.
Flights to Old Mountain information
Destination airport
Old Mountain
Destination airport IATA code
LTR

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*Available to One Key members.