Cheap Flights from Washington D.C. to Great Falls International

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      Travellers and cabin class, 1 Adult, Economy

      Compare Washington D.C. to Great Falls International flight deals

      Find the cheapest month or even day of the year to fly to Great Falls International

      Book the best Great Falls International fare with no extra fees

      Flight deals from Washington D.C. to Great Falls International

      Looking for a cheap last-minute deal or the best return flight from Washington D.C. to Great Falls International Airport? If you want to travel next month, return fares start from R 5,636. Find the lowest prices on one-way and return tickets right here.

      Find the cheapest month to fly from Washington D.C. to Great Falls International

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Washington D.C. to Great Falls International flights are currently cheapest in September.

      Washington D.C. to Great Falls International: Alternative routes

      Compare routes from Washington D.C. to Great Falls below. You may find an airport to fly into that's cheaper, faster, or easier than Great Falls International.

      Washington D.C. to Great Falls: Flight information

      The things to know before you go.
      Cheapest flight foundR 3,023
      Cheapest month to flySeptember

      Finding cheap flights from Washington D.C. to Great Falls International: Frequently asked questions

      The best price we found for a return flight from Washington D.C. to Great Falls International is R 5,636. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
      Currently, there are no airlines that fly direct from Washington D.C. to Great Falls International. But we found flights with one stop from R 5,636.
      As of August 2026, there are no flights flying from Washington D.C. to Great Falls International.
      The cheapest month to fly from Washington D.C. to Great Falls International is usually September.
      After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Washington D.C. to Great Falls International Airport on Saturday, 19 September 2026.
      No airlines currently offer direct flights between Washington D.C. and Great Falls International Airport. Most routes have one or more stops.
      We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Great Falls International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

      We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Great Falls is around 40 days in advance, so don’t leave your flight to the last minute.

      The cheapest airline that flies to Great Falls International is Delta .

      Travelling from Washington DC to Great Falls International Airport (GTF): What you need to know

      • Great Falls is two hours behind Washington DC. Great Falls International Airport is located in Great Falls, which follows the UTC-7 timezone.

      • Arrive at the airport on time so you don't miss your flight from Washington DC to GTF. Be there at least two hours ahead for international flights and an hour early for domestic departures to prevent a last-minute sprint to your gate.

      • Popular months like July or holiday times such as Christmas and New Year will mean bigger lines at check-in and security. Be on the safe side and head to the terminal even earlier. Arriving two hours before a domestic flight and up four hours ahead of international flights is a wise move.

      Airports in Washington DC

      Ronald Reagan Washington National Airport (DCA)

      • DCA is around 6 kilometres from central Washington DC. If you're ride-sharing, driving or catching a taxi from the centre, it'll take you 10 minutes or so to get there, depending on traffic conditions. If you're planning to take public transport, expect the journey time to be around 25 minutes.

      • Catching an early flight from Washington DC to Great Falls International Airport? Avoid the stress of rushing to the terminal (and catch some extra z's) by staying at one of these hotels close to Ronald Reagan Washington National Airport:

      • When it comes to the on-time performance of Ronald Reagan Washington National Airport, data shows 71% of flights arrive within the expected time frame.

      • DCA is located at 1 Aviation Circle.

      Washington Dulles International Airport (IAD)

      Baltimore Washington International Airport (BWI)

      About Great Falls International Airport (GTF)

      Getting from Great Falls International Airport (GTF) to central Great Falls

      • Great Falls International Airport is around 8 kilometres from the centre of Great Falls. It takes around 10 minutes or so to get to the city by car.

      • Travelling on public transport will take you roughly 25 minutes.

      How to find the cheapest flights from Washington DC to Great Falls International Airport (GTF)

      • The cheapest price we've found for a one-way ticket from Washington DC to Great Falls International Airport is R 3,023. For a return flight on this route, the best price is R 5,636. Depending on the availability and when you book, these fares may change.

      • Booking early is often the key to finding a cheap flight from Washington DC to GTF. Fares tend to rise as demand increases, so the closer you get to departure, the more expensive your ticket may be.

      • If you can be flexible with your trip dates, try using the 'Whole month' search tool. It'll give you the lowest price in every month when searching for your Washington DC to Great Falls International Airport ticket.

      • Locking in a cheap plane ticket from Washington DC to GTF is a breeze with Price Alerts. All you need to do is create one of these automatic alerts and we'll let you know as soon as there's a price drop.

      • Uncover a great deal on a flight from Washington DC to Great Falls International Airport with the help of the filters. Choose your ideal departure and arrival times, airlines and number of stops. You can also sort your results by 'Best,' 'Fastest' or 'Cheapest.'

      The best time to fly from Washington DC to Great Falls International Airport (GTF)

      • It's time to figure out when to book your flight from Washington DC to Great Falls International Airport (GTF). July is when most people travel to Great Falls. If you're all about a more relaxed kind of trip, go in December.

      • When booking your Washington DC to GTF plane ticket, consider what kind of weather you prefer. July is the warmest month in Great Falls, with temperatures ranging from 11ºC (52ºF) to 33ºC (91ºF).

      • February sees temperatures of between -21ºC (-6ºF) and 8ºC (46ºF). Look for cheap tickets from Washington DC to Great Falls International Airport around that time if you want to travel in cooler conditions.

      More about Great Falls

      • When it comes to looking for somewhere to rest your head, you'll find the best stays in Great Falls right here. Browse these options after you've booked your flight from Washington DC to Great Falls International Airport:

      • Lewis & Clark National Historic Trail Interpretive Centre and Great Falls Dam View are just the start of the leading attractions to put on your Great Falls to-do list. Continue your sightseeing adventures at St. Ann Cathedral.

      Explore more of the United States

      • You've done Great Falls, now it's time to discover other parts of the United States. Travel about 290 kilometres southeast to Billings to tick off its top sights. From Museum of Women's History to Yellowstone Art Museum and The Rimrocks, you'll have a packed itinerary ahead.

      • If you're ready to explore another major stop in the United States, head for Missoula, roughly 209 kilometres west of Great Falls. Mt Jumbo, Lolo Natioal Forest and Missoula Art Museum are highlights.

      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.