$132+ Cheap flights from Dulles Intl (IAD) to Calgary (YYC)
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 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — YYC
Oct 10 — Oct 171
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Dulles Intl to Calgary 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 Washington, D.C. Dulles Intl to Calgary are usually found in October or November, booked 74 days in advance, depart on a Monday or Friday and return on a Sunday
Cheap flight deals from Dulles Intl to Calgary
Cheapest
Best
Last-minute
One-way
Cheapest flights from Dulles Intl to CalgaryExplore the most affordable flight options available from Dulles Intl to Calgary. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2026.
Explore the most affordable flight options available from Dulles Intl to Calgary. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2026.
This Air Canada deal was found by Cheapflights users on 9/5. 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 11/49:55 am -
2 stops13h 41m
Sat 11/217:00 am -
2 stops11h 23m
Deal found 9/5![Air Canada logo]()
$279
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.
Fri 9/2510:34 pm -
1 stop17h 19m
Tue 9/296:00 am -
2 stops23h 19m
Deal found 9/8![United Airlines logo]()
$283
This United Airlines deal was found by Cheapflights users on 9/5. 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.
Mon 10/510:18 pm -
2 stops17h 35m
Sat 10/106:00 am -
2 stops16h 50m
Deal found 9/5![United Airlines logo]()
$284
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/193:45 pm -
2 stops11h 32m
Tue 10/276:00 am -
2 stops12h 23m
Deal found 9/6![Air Canada logo]()
$287
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 10/156:45 am -
2 stops17h 03m
Fri 10/231:27 pm -
2 stops25h 06m
Deal found 9/8![United Airlines logo]()
$288
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.
Tue 9/229:07 am -
Nonstop4h 51m
Tue 9/2911:10 am -
1 stop8h 04m
Deal found 9/8![Air Canada logo]()
$289
This Air Canada deal was found by Cheapflights users on 9/5. 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 10/134:00 pm -
1 stop11h 17m
Thu 10/226:00 am -
1 stop6h 57m
Deal found 9/5![Air Canada logo]()
$290
This United 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1510:10 pm -
1 stop16h 09m
Mon 10/1911:55 pm -
1 stop13h 30m
Deal found 9/6![Multiple Airlines logo]()
$291
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.
Wed 10/1410:10 pm -
1 stop16h 09m
Mon 10/1911:55 pm -
1 stop13h 30m
Deal found 9/9![Multiple Airlines logo]()
$295
Best flights from Dulles Intl to CalgaryDiscover carefully curated flight deals from Dulles Intl to Calgary that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
Discover carefully curated flight deals from Dulles Intl to Calgary that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
This United Airlines deal was found by Cheapflights users on 9/5. 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 10/76:45 am -
2 stops17h 03m
Sat 10/106:00 am -
2 stops16h 50m
Deal found 9/5![United Airlines logo]()
$284
This United 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2710:15 am -
2 stops13h 38m
Sat 10/316:00 am -
2 stops12h 23m
Deal found 9/8![Multiple Airlines logo]()
$289
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/111:10 am -
2 stops13h 56m
Mon 10/52:15 pm -
1 stop7h 08m
Deal found 9/9![Delta logo]()
$330
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.
Fri 10/238:33 am -
2 stops15h 15m
Tue 10/273:30 pm -
2 stops13h 42m
Deal found 9/8![United Airlines logo]()
$288
This United 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2010:34 pm -
1 stop17h 19m
Sat 10/2412:25 am -
1 stop14h 22m
Deal found 9/8![Multiple Airlines logo]()
$305
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.
Tue 10/2010:30 am -
2 stops13h 18m
Tue 10/273:30 pm -
2 stops12h 59m
Deal found 9/9![United Airlines logo]()
$288
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2511:44 am -
1 stop10h 58m
Fri 10/26:35 am -
1 stop9h 30m
Deal found 9/10![Delta logo]()
$404
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.
Sat 9/268:33 am -
1 stop10h 57m
Wed 9/306:30 am -
1 stop11h 55m
Deal found 9/9![Multiple Airlines logo]()
$381
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.
Sat 10/105:48 pm -
1 stop20h 31m
Tue 10/203:22 pm -
2 stops13h 07m
Deal found 9/7![United Airlines logo]()
$349
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.
Tue 11/103:00 pm -
2 stops11h 17m
Sat 11/141:35 pm -
2 stops9h 06m
Deal found 9/6![Delta logo]()
$438
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.
Tue 12/112:35 pm -
1 stop9h 42m
Tue 12/154:22 pm -
2 stops12h 23m
Deal found 9/8![United Airlines logo]()
$364
This United Airlines deal was found by Cheapflights users on 9/5. 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.
Sun 10/46:10 am -
1 stop7h 18m
Sat 10/106:00 am -
2 stops16h 50m
Deal found 9/5![United Airlines logo]()
$411
Last-minute flights from Dulles Intl to CalgaryDiscover last-minute flight deals from Dulles Intl to Calgary. Data last updated September 10, 2026 and is based on user searches.
Discover last-minute flight deals from Dulles Intl to Calgary. Data last updated September 10, 2026 and is based on user searches.
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.
Tue 9/229:07 am -
Nonstop4h 51m
Tue 9/2911:10 am -
1 stop8h 04m
Deal found 9/8![Air Canada logo]()
$289
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.
Fri 9/2510:34 pm -
1 stop17h 19m
Tue 9/296:00 am -
2 stops23h 19m
Deal found 9/8![United Airlines logo]()
$283
This United Airlines deal was found by Cheapflights users on 9/5. 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.
Mon 10/510:18 pm -
2 stops17h 35m
Sat 10/106:00 am -
2 stops16h 50m
Deal found 9/5![United Airlines logo]()
$284
This Air Canada deal was found by Cheapflights users on 9/5. 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 10/134:00 pm -
1 stop11h 17m
Thu 10/226:00 am -
1 stop6h 57m
Deal found 9/5![Air Canada logo]()
$290
This Air Canada deal was found by Cheapflights users on 9/5. 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 10/144:00 pm -
1 stop8h 57m
Mon 10/1912:50 am -
2 stops12h 07m
Deal found 9/5![Air Canada logo]()
$279
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.
Wed 10/1410:10 pm -
1 stop16h 09m
Mon 10/1911:55 pm -
1 stop13h 30m
Deal found 9/9![Multiple Airlines logo]()
$295
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 10/156:45 am -
2 stops17h 03m
Fri 10/231:27 pm -
2 stops25h 06m
Deal found 9/8![United Airlines logo]()
$288
This United 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1510:10 pm -
1 stop16h 09m
Mon 10/1911:55 pm -
1 stop13h 30m
Deal found 9/6![Multiple Airlines logo]()
$291
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/193:45 pm -
2 stops11h 32m
Tue 10/276:00 am -
2 stops12h 23m
Deal found 9/6![Air Canada logo]()
$287
One-way flights from Dulles Intl to CalgarySearch for one-way flight options from Dulles Intl to Calgary. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
Search for one-way flight options from Dulles Intl to Calgary. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/46:10 am -
1 stop8h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Delta logo]()
$132
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.
Sat 10/103:45 pm -
1 stop7h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Air Canada logo]()
$137
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/175:01 am -
2 stops9h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![American Airlines logo]()
$138
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 10/166:45 am -
1 stop12h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![United Airlines logo]()
$151
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/109:06 pm -
2 stops21h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$156
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 9/309:04 pm -
2 stops20h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$157
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/87:54 am -
2 stops33h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$158
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/169:06 pm -
2 stops20h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$165
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/49:04 pm -
2 stops20h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$168
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/278:05 am -
1 stop12h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$176
Find flight deals from Dulles Intl to Calgary
Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Calgary (YYC). 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 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $279 (Air Canada) |
One-way from | $132 (Delta) |
Popular in | March |
Cheapest in | October |
Average price | $479 |
Good round-trip deal | $465 or less |
Good one-way deal | $125 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Dulles Intl to Calgary 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 10, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Calgary that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Washington, D.C.Calgary
IAD Washington, D.C. Dulles Intl - YYC Calgary
IADYYC
Washington, D.C. Dulles Intl
Wed 9/30
9:04 pm-3:15 pm
2 stops20h 11m
Calgary
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$157
Washington, D.C.Calgary
IAD Washington, D.C. Dulles Intl - YYC Calgary
IADYYC
Washington, D.C. Dulles Intl
Thu 10/8
9:06 pm-5:00 pm
2 stops21h 54m
Calgary
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$194
Washington, D.C.Calgary
IAD Washington, D.C. Dulles Intl - YYC Calgary
IADYYC
Washington, D.C. Dulles Intl
Tue 10/27
6:07 pm-9:40 pm
2 stops29h 33m
Calgary
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$201
Quickest round-trip
Washington, D.C.Calgary
IAD Washington, D.C. Dulles Intl - YYC Calgary
IADYYC
Washington, D.C. Dulles Intl
Tue 9/15
9:07 am-11:58 am
Nonstop4h 51m
Calgary
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$203
Washington, D.C.Calgary
IAD Washington, D.C. Dulles Intl - YYC Calgary
IADYYC
Washington, D.C. Dulles Intl
Thu 9/17
9:07 am-11:58 am
Nonstop4h 51m
Calgary
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$203
Washington, D.C.Calgary
IAD Washington, D.C. Dulles Intl - YYC Calgary
IADYYC
Washington, D.C. Dulles Intl
Mon 9/21
9:07 am-11:58 am
Nonstop4h 51m
Calgary
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$206
Washington, D.C.Calgary
IAD Washington, D.C. Dulles Intl - YYC Calgary
IADYYC
Washington, D.C. Dulles Intl
Sun 9/20
9:07 am-11:58 am
Nonstop4h 51m
Calgary
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$206
Washington, D.C.Calgary
IAD Washington, D.C. Dulles Intl - YYC Calgary
IADYYC
Washington, D.C. Dulles Intl
Fri 9/18
6:13 am-11:31 am
1 stop7h 18m
Calgary
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$216
Washington, D.C.Calgary
IAD Washington, D.C. Dulles Intl - YYC Calgary
IADYYC
Washington, D.C. Dulles Intl
Tue 9/15
6:10 am-1:00 pm
2 stops8h 50m
Calgary
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$221
Washington, D.C.Calgary
IAD Washington, D.C. Dulles Intl - YYC Calgary
IADYYC
Washington, D.C. Dulles Intl
Tue 9/22
11:44 am-8:42 pm
1 stop10h 58m
Calgary
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$225
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from Dulles Intl to Calgary
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 Dulles Intl to Calgary in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Calgary flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Calgary flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Calgary flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Calgary 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 Washington, D.C. Dulles Intl Airport-Calgary 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 Dulles Intl to Calgary
Have a flexible travel schedule? Discover the best time to fly to Calgary from Dulles Intl with our price prediction graph.
IAD-YYC
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 Washington, D.C. Dulles Intl Airport to Calgary
Prices
Airlines
How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Calgary?
The price you pay for your flight from Washington, D.C. Dulles Intl Airport to Calgary may vary depending on when you book. For the best chance of a lower fare, look to book 73 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 Washington, D.C. Dulles Intl Airport to Calgary?
Currently, October is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Calgary (average of $378). Flying from Washington, D.C. Dulles Intl Airport to Calgary in March is currently the most expensive (average of $718). 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 IAD to YYC?
Find hourly flight availability from Dulles Intl to Calgary. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 10, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Dulles Intl Airport to Calgary as you normally would.
The best insider tips for Washington, D.C. Dulles Intl Airport to Calgary flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Washington, D.C. Dulles Intl Airport to Calgary trip
Our travel experts
Reviews of airlines servicing Calgary
Get insights into the airlines that provide service to Calgary. 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 Calgary. Reviews last updated September 10, 2026.
Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Calgary, such as Delta,United Airlines, andWestJet. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Entertainment
7.8
Food
7.2
Crew
8.5
Overall
7.8
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Comfort
7.8
Entertainment
7.8
Food
7.2
Crew
8.5
Overall
7.8
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Comfort
7.8
Entertainment
7.8
Food
7.2
Crew
8.5
Overall
7.8
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Comfort
7.8
Entertainment
7.8
Food
7.2
Crew
8.5
Overall
7.8
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Comfort
7.8
Entertainment
7.8
Food
7.2
Crew
8.5
Overall
7.8
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Comfort
7.8
Entertainment
7.8
Food
7.2
Crew
8.5
Overall
7.8
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Related info for your journey
Find useful and relevant information for your journey from Dulles Intl to Calgary. 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 Calgary?
Book flights to Calgary if you plan to visit one of these locationsCanmore
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Calgary flight routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Dulles Intl
Popular flights
Alternative routes for Dulles Intl to Calgary
See prices for flight routes from nearby airports that may be better suited for you.
Other flights to Calgary
Explore flights to Calgary departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 10, 2026.
Complete your trip
Complete your trip to Calgary by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Dulles Intl to Calgary by cabin class
Find flights from Dulles Intl to Calgary, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Dulles Intl and Calgary flights
Browse other Dulles Intl and Calgary flight options. Last updated on September 10, 2026.
Other flights from Dulles Intl
Browse through other flights departing from Dulles Intl. Flights are based on user searches made on Cheapflights and were last updated on September 10, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from Dulles Intl to Calgary
Discover the top 5 airlines that operate flights from Dulles Intl to Calgary. 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 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$124 | Average$463 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$125 | Average$404 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$171 | Average$558 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$270 | Average$625 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$294 | Average$527 | FlexibilityNo cancel fee | On-time71% |