C$172 Cheap Flights from Calgary (YYC) to Washington Dulles (IAD)

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Find the cheapest month or even day of the year to fly to Washington Dulles

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Flight deals from Calgary to Washington Dulles

Looking for a cheap last-minute deal or the best return flight from Calgary Airport to Washington Dulles Airport? If you want to travel next month, return fares start from C$464. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Calgary to Washington Dulles

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Calgary to Washington Dulles flights are currently cheapest in May.

Which airlines fly from Calgary to Washington Dulles?

Calgary to Washington D.C.: Flight information

The things to know before you go.
Cheapest flight foundC$172
Cheapest month to flyMay
Average flight time4 hrs, 24 mins
Most popular airlineUnited
Average flights per week17

Finding cheap flights from Calgary to Washington Dulles: Frequently asked questions

The best price we found for a return flight from Calgary to Washington Dulles is C$274. 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.
4 hours and 24 minutes is the average flight time from Calgary to Washington Dulles.
United, Air Canada and Delta fly direct from Calgary to Washington Dulles.
As of April 2026, there are 17 flights per week flying from Calgary to Washington Dulles.
The cheapest month to fly from Calgary to Washington Dulles is usually June.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Calgary Airport to Washington Dulles Airport on Monday, June 15, 2026.
Yes – the average flight time is 4 hours and 24 minutes.
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 Washington Dulles 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 Washington D.C. is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, WestJet offers the cheapest flight tickets to Washington Dulles.

Traveling from Calgary International Airport (YYC) to Washington Dulles International Airport (IAD): what you need to know

  • 4 hours 23 minutes is the average duration of a direct flight from Calgary International Airport to Washington Dulles International Airport. Washington DC is 2 hours ahead of Calgary and operates on the UTC-4 timezone.

  • Take your pick of 2 weekly flights from Calgary International Airport to Washington Dulles International Airport. The 09:06 departure with United Airlines is the earliest flight out between YYC and IAD. WestJet operates the last service of the day at 18:45.

  • If you're flying during a peak month like July, head to the airport even earlier. It's wise to arrive up to four hours before international flights and two hours ahead of domestic departures. You can expect lines to be longer during high seasons like Thanksgiving, Christmas and New Year.

  • WestJet offers direct flights from Calgary International Airport to Washington Dulles International Airport. Book with this popular carrier, and get ready to discover the sights in Washington DC — plus maybe even more of United States if you have time.

  • Remember, you may need a visa to enter United States. Visa regulations can vary and travel documentation requirements often change. Before reserving your cheap ticket from YYC to IAD, check with your carrier and your destination country's local consulate or embassy for up-to-date information.

How to find the cheapest flights from Calgary International Airport (YYC) to Washington Dulles International Airport (IAD)

  • C$172 is the best price for a one-way ticket from Calgary International Airport to Washington Dulles International Airport. A return flight starts at C$274. These fares can change depending on availability and demand.

  • To get your hands on cheap flight tickets from YYC to IAD, book your trip 10 months ahead of your planned departure.

  • June is the cheapest month for flight tickets from Calgary International Airport to Washington Dulles International Airport. If you need to fly during a different time of year, the 'Whole month' tool will give you the lowest prices for every month.

  • Create a Price Alert for cheap flight tickets from YYC to IAD. You don't need to search every day to see if airfares have fallen. We'll update you when the price changes.

  • Use filters to find the best trip for you. To see the 'Cheapest,' 'Best' or 'Fastest' flights from Calgary International Airport to Washington Dulles International Airport, use the 'Sort by' function. You can also filter by airline, arrival and departure times, and number of stops.

Handy information about Calgary International Airport (YYC)

Arriving at Washington Dulles International Airport (IAD)

Getting from Washington Dulles International Airport (IAD) to central Washington DC

  • Washington Dulles International Airport to the center of Washington DC is about 51 minutes by car. It's approximately 56 kilometres away. Discover what options are available, such as cabs, car rentals or ride-sharing services.

  • Traveling to the center on public transport will take you roughly 3 hours and 26 minutes.

When to fly to Washington Dulles International Airport (IAD)

  • It's time to choose your trip dates for your flight from Calgary International Airport to Washington Dulles International Airport. July is the most popular month to visit Washington DC. If you like a more relaxed vibe, go in February.

  • When booking your flight from Calgary International Airport to Washington Dulles International Airport, consider the type of weather you like. July is the warmest month in Washington DC, with the temperature ranging from 19ºC to 33ºC.

  • Search for cheap flight tickets from YYC to IAD in January if you want to travel in cooler conditions. Temperatures are at their lowest around then, ranging between -6ºC and 10ºC on average.

More about Washington DC

  • Start your Washington DC trip right by finding a wonderful place to stay. After booking your flight from YYC to IAD, have a look at our selection of hotel options including:

  • White House Historical Association and The White House are just the start of the top-rated attractions to put on your Washington DC itinerary. Keep the adventure rolling by checking out National Mall.

  • Ronald Reagan National Airport (DCA) and Baltimore/Wash International Thurgood Marshall Airport (BWI) are alternative ways to travel to or from Washington DC. Check out the flight schedules and fares. These international airports may be a more convenient or cheaper choice depending on your travel itinerary.

Complete your Washington DC trip with hotels and a car rental

  • Comparing flights is not our only party trick. After booking your cheap ticket to Washington Dulles International Airport, explore our car rental deals that'll give you the freedom to travel around at your own pace. Next, have a look at our exclusive rates for hotels to find the perfect Washington DC stay.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.