$149+ 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 11/7. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — YYC
Oct 27 — Nov 31
Round-trip
1 adult, Economy
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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 September, 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 27, 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 27, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/24. 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 10/247:50 am -
1 stop11h 20m
Sat 10/318:45 am -
1 stop12h 58m
Deal found 9/24![Multiple Airlines logo]()
$322
This Kiwi.com deal was found by Cheapflights users on 9/26. 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 10/289:06 pm -
1 stop16h 59m
Sat 10/318:45 am -
1 stop12h 58m
Deal found 9/26![Multiple Airlines logo]()
$326
This Kiwi.com deal was found by Cheapflights users on 9/24. 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 11/79:06 pm -
1 stop16h 59m
Tue 11/171:25 am -
1 stop13h 47m
Deal found 9/24![Multiple Airlines logo]()
$328
This Delta deal was found by Cheapflights users on 9/23. 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 11/33:04 pm -
2 stops11h 06m
Tue 11/101:35 pm -
1 stop8h 12m
Deal found 9/23![Delta logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 9/27. 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 11/48:05 am -
1 stop12h 50m
Tue 11/108:45 am -
1 stop12h 58m
Deal found 9/27![Multiple Airlines logo]()
$341
This Kiwi.com deal was found by Cheapflights users on 9/24. 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.
Mon 10/199:06 pm -
1 stop15h 54m
Tue 10/2712:25 am -
1 stop21h 18m
Deal found 9/24![Multiple Airlines logo]()
$345
This Kiwi.com deal was found by Cheapflights users on 9/26. 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 10/209:06 pm -
1 stop15h 54m
Mon 10/2612:25 am -
1 stop14h 47m
Deal found 9/26![Multiple Airlines logo]()
$346
This Kiwi.com deal was found by Cheapflights users on 9/25. 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 11/79:06 pm -
1 stop16h 59m
Tue 11/101:25 am -
1 stop13h 47m
Deal found 9/25![Multiple Airlines logo]()
$347
This Kiwi.com deal was found by Cheapflights users on 9/27. 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.
Mon 10/269:06 pm -
1 stop16h 59m
Sun 11/11:25 am -
1 stop13h 47m
Deal found 9/27![Multiple Airlines logo]()
$356
This Delta deal was found by Cheapflights users on 9/23. 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 12/412:00 pm -
1 stop12h 07m
Tue 12/82:25 pm -
1 stop7h 11m
Deal found 9/23![Delta logo]()
$358
This Kiwi.com deal was found by Cheapflights users on 9/27. 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 10/227:54 am -
1 stop11h 16m
Sun 10/2512:25 am -
1 stop14h 48m
Deal found 9/27![Multiple Airlines logo]()
$359
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 27, 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 27, 2026.
This Delta deal was found by Cheapflights users on 9/23. 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 12/412:00 pm -
1 stop12h 07m
Tue 12/82:25 pm -
1 stop7h 11m
Deal found 9/23![Delta logo]()
$358
This Porter Airlines deal was found by Cheapflights users on 9/24. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1711:25 am -
2 stops13h 23m
Wed 10/217:00 am -
2 stops30h 10m
Deal found 9/24![Porter Airlines logo]()
$706
This Alaska Airlines deal was found by Cheapflights users on 9/25. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/65:30 pm -
1 stop30h 00m
Sun 1/109:00 am -
1 stop29h 27m
Deal found 9/25![Alaska Airlines logo]()
$761
This Delta deal was found by Cheapflights users on 9/23. 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.
Wed 10/712:01 pm -
1 stop10h 39m
Sat 10/106:35 am -
1 stop11h 34m
Deal found 9/23![Delta logo]()
$528
This Delta deal was found by Cheapflights users on 9/24. 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 11/76:13 am -
1 stop8h 30m
Wed 11/112:20 pm -
1 stop7h 01m
Deal found 9/24![Delta logo]()
$528
This Porter Airlines deal was found by Cheapflights users on 9/27. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/153:50 pm -
2 stops26h 40m
Sun 10/187:00 am -
2 stops30h 10m
Deal found 9/27![Porter Airlines logo]()
$776
This Delta deal was found by Cheapflights users on 9/27. 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.
Wed 10/146:13 am -
1 stop7h 30m
Mon 10/196:35 am -
2 stops14h 41m
Deal found 9/27![Delta logo]()
$664
This Delta deal was found by Cheapflights users on 9/27. 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 1/911:05 am -
2 stops15h 13m
Tue 1/121:35 pm -
1 stop8h 11m
Deal found 9/27![Delta logo]()
$670
This Delta deal was found by Cheapflights users on 9/23. 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 11/56:05 am -
2 stops9h 30m
Mon 11/92:20 pm -
2 stops8h 21m
Deal found 9/23![Delta logo]()
$680
This Delta deal was found by Cheapflights users on 9/27. 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 10/102:28 pm -
1 stop24h 07m
Sat 10/176:35 am -
1 stop11h 34m
Deal found 9/27![Delta logo]()
$718
This Delta deal was found by Cheapflights users on 9/27. 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 10/1312:01 pm -
1 stop10h 39m
Mon 10/197:45 am -
2 stops13h 31m
Deal found 9/27![Delta logo]()
$829
Last-minute flights from Dulles Intl to CalgaryDiscover last-minute flight deals from Dulles Intl to Calgary. Data last updated September 27, 2026 and is based on user searches.
Discover last-minute flight deals from Dulles Intl to Calgary. Data last updated September 27, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/25. 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 10/139:06 pm -
1 stop15h 54m
Sat 10/247:00 am -
1 stop8h 13m
Deal found 9/25![Multiple Airlines logo]()
$394
This Kiwi.com deal was found by Cheapflights users on 9/27. 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 -
1 stop15h 54m
Sat 10/247:00 am -
1 stop8h 13m
Deal found 9/27![Multiple Airlines logo]()
$388
This Kiwi.com deal was found by Cheapflights users on 9/24. 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.
Mon 10/199:06 pm -
1 stop15h 54m
Tue 10/2712:25 am -
1 stop21h 18m
Deal found 9/24![Multiple Airlines logo]()
$345
This Kiwi.com deal was found by Cheapflights users on 9/26. 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 10/209:06 pm -
1 stop15h 54m
Mon 10/2612:25 am -
1 stop14h 47m
Deal found 9/26![Multiple Airlines logo]()
$346
This Kiwi.com deal was found by Cheapflights users on 9/27. 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 10/227:54 am -
1 stop11h 16m
Sun 10/2512:25 am -
1 stop14h 48m
Deal found 9/27![Multiple Airlines logo]()
$359
This Kiwi.com deal was found by Cheapflights users on 9/24. 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 10/247:50 am -
1 stop11h 20m
Sat 10/318:45 am -
1 stop12h 58m
Deal found 9/24![Multiple Airlines logo]()
$322
This Mytrip deal was found by Cheapflights users on 9/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/247:50 am -
1 stop11h 20m
Sun 10/2512:25 am -
1 stop14h 48m
Deal found 9/25![Multiple Airlines logo]()
$371
This Kiwi.com deal was found by Cheapflights users on 9/27. 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.
Mon 10/269:06 pm -
1 stop16h 59m
Sun 11/11:25 am -
1 stop13h 47m
Deal found 9/27![Multiple Airlines logo]()
$356
This Kiwi.com deal was found by Cheapflights users on 9/26. 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 10/289:06 pm -
1 stop16h 59m
Sat 10/318:45 am -
1 stop12h 58m
Deal found 9/26![Multiple Airlines logo]()
$326
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 27, 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 27, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/26. 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 11/79:06 pm -
1 stop16h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![Multiple Airlines logo]()
$149
This Trip.com deal was found by Cheapflights users on 9/27. 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.
Wed 11/119:06 pm -
1 stop16h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Multiple Airlines logo]()
$150
This Trip.com deal was found by Cheapflights users on 9/25. 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.
Mon 11/99:06 pm -
1 stop16h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![Multiple Airlines logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 9/25. 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.
Mon 10/199:06 pm -
1 stop15h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![Multiple Airlines logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 9/26. 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 11/89:06 pm -
1 stop16h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![Multiple Airlines logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 9/26. 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 12/1510:33 pm -
1 stop15h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![Multiple Airlines logo]()
$176
This Kiwi.com deal was found by Cheapflights users on 9/27. 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 12/1612:06 pm -
1 stop25h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Multiple Airlines logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 9/26. 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.
Mon 12/1410:33 pm -
1 stop15h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![Multiple Airlines logo]()
$194
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 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $307 (Air Canada) |
One-way from | $149 (Kiwi.com) |
Popular in | March |
Cheapest in | October |
Average price | $479 |
Good round-trip deal | $529 or less |
Good one-way deal | $123 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 27, 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
Mon 10/19
9:06 pm-11:00 am
1 stop15h 54m
Calgary
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$169
Washington, D.C.Calgary
IAD Washington, D.C. Dulles Intl - YYC Calgary
IADYYC
Washington, D.C. Dulles Intl
Wed 10/14
9:06 pm-11:00 am
1 stop15h 54m
Calgary
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$219
Quickest round-trip
Washington, D.C.Calgary
IAD Washington, D.C. Dulles Intl - YYC Calgary
IADYYC
Washington, D.C. Dulles Intl
Thu 10/15
6:13 am-11:43 am
1 stop7h 30m
Calgary
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$236
Washington, D.C.Calgary
IAD Washington, D.C. Dulles Intl - YYC Calgary
IADYYC
Washington, D.C. Dulles Intl
Mon 12/14
12:00 pm-1:21 am
2 stops14h 21m
Calgary
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$242
Washington, D.C.Calgary
IAD Washington, D.C. Dulles Intl - YYC Calgary
IADYYC
Washington, D.C. Dulles Intl
Wed 12/16
10:11 am-1:21 am
2 stops16h 10m
Calgary
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$242
Washington, D.C.Calgary
IAD Washington, D.C. Dulles Intl - YYC Calgary
IADYYC
Washington, D.C. Dulles Intl
Tue 12/15
10:11 am-1:21 am
2 stops16h 10m
Calgary
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$242
Washington, D.C.Calgary
IAD Washington, D.C. Dulles Intl - YYC Calgary
IADYYC
Washington, D.C. Dulles Intl
Fri 12/4
3:34 pm-10:55 am
2 stops20h 21m
Calgary
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$280
Washington, D.C.Calgary
IAD Washington, D.C. Dulles Intl - YYC Calgary
IADYYC
Washington, D.C. Dulles Intl
Sat 11/7
7:52 am-12:05 am
3 stops17h 13m
Calgary
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$284
Washington, D.C.Calgary
IAD Washington, D.C. Dulles Intl - YYC Calgary
IADYYC
Washington, D.C. Dulles Intl
Mon 12/7
6:42 pm-1:05 pm
1 stop19h 23m
Calgary
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$289
Washington, D.C.Calgary
IAD Washington, D.C. Dulles Intl - YYC Calgary
IADYYC
Washington, D.C. Dulles Intl
Sun 11/15
9:06 pm-10:35 am
3 stops38h 29m
Calgary
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$297
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
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 $390). 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 27, 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
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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 27, 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
Boarding
8.1
Overall
7.8
Food
7.2
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Comfort
7.8
Boarding
8.1
Overall
7.8
Food
7.2
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Comfort
7.8
Boarding
8.1
Overall
7.8
Food
7.2
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Comfort
7.8
Boarding
8.1
Overall
7.8
Food
7.2
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Comfort
7.8
Boarding
8.1
Overall
7.8
Food
7.2
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Comfort
7.8
Boarding
8.1
Overall
7.8
Food
7.2
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
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.
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Book flights to Calgary if you plan to visit one of these locationsCanmore
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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 27, 2026.
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Dulles Intl and Calgary flights
Browse other Dulles Intl and Calgary flight options. Last updated on September 27, 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 27, 2026.
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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 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$124 | Average$405 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$133 | Average$451 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$171 | Average$561 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$277 | Average$626 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$294 | Average$527 | FlexibilityNo cancel fee | On-time71% |