$173+ Cheap flights from Calgary (YYC) to Dulles Intl (IAD)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — IAD
Oct 11 — Oct 181
Round-trip
1 adult, Economy
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Find cheap flights from Calgary to Dulles Intl with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Calgary to Washington, D.C. Dulles Intl are usually found in October or April, booked 87 days in advance, depart on a Sunday or Thursday and return on a Monday
Cheap flight deals from Calgary to Dulles Intl
Cheapest
Best
Last-minute
One-way
Cheapest flights from Calgary to Dulles IntlExplore the most affordable flight options available from Calgary to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2026.
Explore the most affordable flight options available from Calgary to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2026.
This Air Canada deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:00 am -
1 stop7h 45m
Sat 10/319:55 am -
1 stop8h 59m
Deal found 9/9![Air Canada logo]()
$210
This United Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/212:35 pm -
1 stop8h 02m
Thu 11/266:11 am -
1 stop8h 24m
Deal found 9/8![United Airlines logo]()
$222
This Air Canada deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:00 am -
1 stop6h 57m
Tue 10/274:30 pm -
1 stop8h 36m
Deal found 9/8![Air Canada logo]()
$224
This Air Canada deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/296:00 am -
1 stop7h 45m
Sat 10/319:55 am -
1 stop8h 59m
Deal found 9/8![Air Canada logo]()
$229
This Air Canada deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/76:30 am -
1 stop6h 55m
Wed 10/144:00 pm -
1 stop8h 57m
Deal found 9/7![Air Canada logo]()
$231
This United deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:00 am -
1 stop15h 25m
Sun 10/113:45 pm -
1 stop7h 42m
Deal found 9/10![Multiple Airlines logo]()
$232
This United Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/291:35 pm -
1 stop9h 02m
Sat 10/318:37 am -
2 stops15h 16m
Deal found 9/8![United Airlines logo]()
$235
This United deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/273:30 pm -
1 stop13h 31m
Sat 10/319:55 am -
2 stops12h 41m
Deal found 9/9![Multiple Airlines logo]()
$236
This United Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:00 am -
2 stops16h 50m
Sat 10/318:37 am -
2 stops15h 16m
Deal found 9/6![United Airlines logo]()
$237
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:00 am -
1 stop11h 26m
Mon 10/56:35 am -
1 stop17h 13m
Deal found 9/10![United Airlines logo]()
$241
Best flights from Calgary to Dulles IntlDiscover carefully curated flight deals from Calgary to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2026.
Discover carefully curated flight deals from Calgary to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2026.
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/212:35 pm -
1 stop8h 02m
Thu 11/266:11 am -
1 stop8h 24m
Deal found 9/9![United Airlines logo]()
$222
This United deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:00 am -
1 stop15h 25m
Sun 10/113:45 pm -
1 stop7h 42m
Deal found 9/10![Multiple Airlines logo]()
$232
This United deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/273:30 pm -
1 stop13h 31m
Sat 10/319:55 am -
2 stops12h 41m
Deal found 9/9![Multiple Airlines logo]()
$236
This United Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2212:30 pm -
1 stop8h 22m
Tue 10/278:23 am -
2 stops15h 30m
Deal found 9/6![United Airlines logo]()
$237
This United Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:00 am -
2 stops16h 50m
Sat 10/314:10 pm -
1 stop7h 43m
Deal found 9/6![United Airlines logo]()
$237
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/233:22 pm -
1 stop13h 39m
Sun 11/16:10 am -
1 stop8h 25m
Deal found 9/11![United Airlines logo]()
$241
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:00 am -
1 stop11h 26m
Mon 10/56:35 am -
1 stop17h 13m
Deal found 9/10![United Airlines logo]()
$241
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/21:27 pm -
2 stops15h 52m
Sun 10/116:35 am -
1 stop17h 13m
Deal found 9/10![United Airlines logo]()
$241
Last-minute flights from Calgary to Dulles IntlDiscover last-minute flight deals from Calgary to Dulles Intl. Data last updated September 11, 2026 and is based on user searches.
Discover last-minute flight deals from Calgary to Dulles Intl. Data last updated September 11, 2026 and is based on user searches.
This Air Canada deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2911:10 am -
1 stop8h 04m
Mon 10/2610:47 pm -
1 stop14h 48m
Deal found 9/9![Air Canada logo]()
$262
This United deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:00 am -
1 stop15h 25m
Sun 10/113:45 pm -
1 stop7h 42m
Deal found 9/10![Multiple Airlines logo]()
$232
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:00 am -
1 stop11h 26m
Mon 10/56:35 am -
1 stop17h 13m
Deal found 9/10![United Airlines logo]()
$241
This Air Canada deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/66:00 am -
1 stop6h 57m
Wed 10/144:00 pm -
1 stop8h 57m
Deal found 9/7![Air Canada logo]()
$243
This Air Canada deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/76:30 am -
1 stop6h 55m
Wed 10/144:00 pm -
1 stop8h 57m
Deal found 9/7![Air Canada logo]()
$231
This United Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:00 am -
2 stops16h 50m
Sat 10/314:10 pm -
1 stop7h 43m
Deal found 9/6![United Airlines logo]()
$237
This Air Canada deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:00 am -
1 stop6h 57m
Tue 10/274:30 pm -
1 stop8h 36m
Deal found 9/8![Air Canada logo]()
$224
This Air Canada deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:00 am -
1 stop7h 45m
Sat 10/319:55 am -
1 stop8h 59m
Deal found 9/9![Air Canada logo]()
$210
This United deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/273:30 pm -
1 stop13h 31m
Sat 10/319:55 am -
2 stops12h 41m
Deal found 9/9![Multiple Airlines logo]()
$236
This Air Canada deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/296:00 am -
1 stop7h 45m
Sat 10/319:55 am -
1 stop8h 59m
Deal found 9/8![Air Canada logo]()
$229
This United Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/291:35 pm -
1 stop9h 02m
Sat 10/318:37 am -
2 stops15h 16m
Deal found 9/8![United Airlines logo]()
$235
One-way flights from Calgary to Dulles IntlSearch for one-way flight options from Calgary to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.
Search for one-way flight options from Calgary to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.
This Delta deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/267:45 am -
1 stop10h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Delta logo]()
$173
This United Airlines deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:00 am -
2 stops14h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![United Airlines logo]()
$174
This United Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:45 am -
1 stop12h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![United Airlines logo]()
$177
This Trip.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/212:20 am -
1 stop14h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$179
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/307:00 am -
1 stop8h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$184
This Delta deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2312:25 pm -
2 stops9h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Delta logo]()
$206
This Expedia deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/237:00 pm -
1 stop8h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Alaska Airlines logo]()
$210
This Delta deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:35 am -
2 stops14h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Delta logo]()
$215
This Kiwi.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/152:25 pm -
2 stops18h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$222
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:00 am -
1 stop11h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![United Airlines logo]()
$225
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:00 pm -
2 stops21h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$226
Find flight deals from Calgary to Dulles Intl
Discover tips and strategies to find the most affordable flight options for your journey from Calgary (YYC) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $210 (Air Canada) |
One-way from | $174 (United Airlines) |
Popular in | December |
Cheapest in | October |
Average price | $363 |
Good round-trip deal | $287 or less |
Good one-way deal | $338 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Calgary to Dulles Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 11, 2026.
Use the filters below to find and compare flights from Calgary to Washington, D.C. Dulles Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
CalgaryWashington, D.C.
YYC Calgary - IAD Washington, D.C. Dulles Intl
YYCIAD
Calgary
Sat 9/26
7:45 am-8:14 pm
1 stop10h 29m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$173
CalgaryWashington, D.C.
YYC Calgary - IAD Washington, D.C. Dulles Intl
YYCIAD
Calgary
Sat 10/24
6:45 am-9:13 pm
1 stop12h 28m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$177
CalgaryWashington, D.C.
YYC Calgary - IAD Washington, D.C. Dulles Intl
YYCIAD
Calgary
Wed 9/30
7:00 am-5:18 pm
1 stop8h 18m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$184
CalgaryWashington, D.C.
YYC Calgary - IAD Washington, D.C. Dulles Intl
YYCIAD
Calgary
Fri 10/23
12:25 pm-11:26 pm
2 stops9h 01m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$206
Quickest round-trip
CalgaryWashington, D.C.
YYC Calgary - IAD Washington, D.C. Dulles Intl
YYCIAD
Calgary
Sat 10/17
12:20 am-9:19 am
1 stop6h 59m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$210
CalgaryWashington, D.C.
YYC Calgary - IAD Washington, D.C. Dulles Intl
YYCIAD
Calgary
Thu 10/15
2:25 pm-10:45 am
2 stops18h 20m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$222
CalgaryWashington, D.C.
YYC Calgary - IAD Washington, D.C. Dulles Intl
YYCIAD
Calgary
Sat 11/21
2:35 pm-11:37 pm
1 stop8h 02m
Washington, D.C. Dulles Intl
Thu 11/26
6:11 am-1:35 pm
1 stop8h 24m
$222
CalgaryWashington, D.C.
YYC Calgary - IAD Washington, D.C. Dulles Intl
YYCIAD
Calgary
Sat 9/19
6:00 am-7:23 pm
1 stop11h 23m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$225
CalgaryWashington, D.C.
YYC Calgary - IAD Washington, D.C. Dulles Intl
YYCIAD
Calgary
Wed 9/23
6:00 am-12:44 am
2 stops16h 44m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$225
CalgaryWashington, D.C.
YYC Calgary - IAD Washington, D.C. Dulles Intl
YYCIAD
Calgary
Sun 9/20
6:35 am-6:05 pm
1 stop9h 30m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$225
Showing 1-10 of 19 resultsSorted by cheapest first
Compare providers for flights from Calgary to Dulles Intl
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Calgary to Dulles Intl in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Calgary-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Calgary-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Calgary-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Calgary-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Calgary-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Calgary to Dulles Intl
Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Calgary with our price prediction graph.
YYC-IAD
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Calgary to Washington, D.C. Dulles Intl Airport
How far ahead should I book a flight from Calgary to Washington, D.C. Dulles Intl Airport?
The price you pay for your flight from Calgary to Washington, D.C. Dulles Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 85 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Calgary to Washington, D.C. Dulles Intl Airport?
Currently, October is the cheapest month in which you can book a flight from Calgary to Washington, D.C. Dulles Intl Airport (average of $289). Flying from Calgary to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of $721). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from YYC to IAD?
Find hourly flight availability from Calgary to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Calgary to Washington, D.C. Dulles Intl Airport as you normally would.
The best insider tips for Calgary to Washington, D.C. Dulles Intl Airport flights
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Cheapflights partnered with top experts to bring you the best recommendations for your Calgary to Washington, D.C. Dulles Intl Airport trip
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Reviews of airlines servicing Dulles Intl
Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated September 11, 2026.
Read through reviews of airlines operating flights from Calgary to Washington, D.C. Dulles Intl Airport, such as United Airlines and Air Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.1
Boarding
7.7
Food
6.7
Crew
8.1
Overall
7.4
Comfort
7.3
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Entertainment
7.1
Boarding
7.7
Food
6.7
Crew
8.1
Overall
7.4
Comfort
7.3
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Entertainment
7.1
Boarding
7.7
Food
6.7
Crew
8.1
Overall
7.4
Comfort
7.3
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Related info for your journey
Find useful and relevant information for your journey from Calgary to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Washington, D.C. Dulles Intl Airport?
Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locationsAlexandria
Arlington
Owings Mills
Tysons
Lanham
Reston
Chantilly
Herndon
Rockville
Hyattsville
Fredericksburg
Woodbridge
Falls Church
Sterling
Hanover
Laurel
Oxon Hill
Clinton
Hunt Valley
Silver Spring
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Other flights to Dulles Intl
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Calgary and Dulles Intl flights
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Top 2 airlines flying from Calgary to Dulles Intl
Discover the top 2 airlines that operate flights from Calgary to Dulles Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$159 | Average$476 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$280 | Average$571 | FlexibilityNo cancel fee | On-time69% |