$449+ Cheap flights from Dulles Intl (IAD) to Kolkata (CCU)
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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — CCU
Oct 10 — Oct 171
Round-trip
1 adult, Economy
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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
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Cheapest flights from Dulles Intl to KolkataExplore the most affordable flight options available from Dulles Intl to Kolkata. 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 Kolkata. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2026.
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/243:10 pm -
2 stops25h 05m
Fri 10/97:15 am -
3 stops36h 00m
Deal found 9/8![Multiple Airlines logo]()
$880
This Indian Eagle 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 Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/173:10 pm -
1 stop26h 15m
Fri 9/259:30 pm -
1 stop21h 45m
Deal found 9/9![Etihad Airways logo]()
$884
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/173:10 pm -
2 stops23h 25m
Fri 9/257:55 am -
3 stops35h 20m
Deal found 9/9![Multiple Airlines logo]()
$894
This Indian Eagle 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 Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/153:10 pm -
1 stop19h 50m
Wed 9/239:30 pm -
1 stop21h 45m
Deal found 9/8![Etihad Airways logo]()
$905
This Indian Eagle 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 Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/62:35 pm -
1 stop18h 50m
Fri 2/129:00 pm -
1 stop22h 35m
Deal found 9/9![Etihad Airways logo]()
$907
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/273:10 pm -
1 stop19h 50m
Mon 10/59:30 pm -
1 stop21h 45m
Deal found 9/7![Etihad Airways logo]()
$917
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/63:10 pm -
1 stop19h 50m
Mon 9/219:30 pm -
1 stop21h 45m
Deal found 9/5![Etihad Airways logo]()
$924
This MakeMyTrip 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 MakeMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/263:10 pm -
1 stop19h 50m
Mon 10/59:30 pm -
1 stop21h 45m
Deal found 9/9![Etihad Airways logo]()
$929
This Indian Eagle 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 Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/62:35 pm -
1 stop18h 50m
Wed 1/209:00 pm -
1 stop22h 35m
Deal found 9/8![Etihad Airways logo]()
$932
Best flights from Dulles Intl to KolkataDiscover carefully curated flight deals from Dulles Intl to Kolkata 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 Kolkata that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
This Qatar Airways 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/68:05 pm -
1 stop19h 20m
Thu 11/193:25 am -
1 stop23h 00m
Deal found 9/7![Qatar Airways logo]()
$1,057
This Emirates 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2910:30 am -
1 stop34h 40m
Sat 1/239:15 am -
1 stop33h 25m
Deal found 9/7![Emirates logo]()
$1,110
This Turkish 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/111:15 pm -
2 stops40h 45m
Tue 11/39:30 pm -
2 stops33h 25m
Deal found 9/8![Turkish Airlines logo]()
$1,141
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/256:45 pm -
2 stops27h 20m
Wed 12/99:30 pm -
2 stops29h 30m
Deal found 9/9![Multiple Airlines logo]()
$1,142
This Turkish 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/201:30 pm -
2 stops39h 20m
Sun 12/66:45 pm -
2 stops51h 30m
Deal found 9/5![Turkish Airlines logo]()
$1,427
This Etihad Airways 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/249:11 am -
2 stops24h 14m
Sat 1/169:00 pm -
2 stops32h 15m
Deal found 9/6![Multiple Airlines logo]()
$1,786
This Turkish 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/151:30 pm -
2 stops39h 20m
Wed 1/206:45 pm -
2 stops51h 30m
Deal found 9/9![Turkish Airlines logo]()
$1,707
This Qatar Airways 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/218:05 pm -
1 stop19h 20m
Wed 1/63:25 am -
1 stop23h 00m
Deal found 9/9![Qatar Airways logo]()
$2,037
This Turkish 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/211:30 pm -
2 stops36h 50m
Tue 1/129:30 pm -
2 stops32h 25m
Deal found 9/9![Turkish Airlines logo]()
$1,957
This Cathay Pacific 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/16:10 am -
3 stops43h 05m
Mon 3/294:05 pm -
3 stops40h 48m
Deal found 9/9![Multiple Airlines logo]()
$2,307
This Turkish 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/199:20 pm -
2 stops53h 00m
Wed 1/69:30 pm -
2 stops48h 45m
Deal found 9/9![Turkish Airlines logo]()
$2,137
This Etihad Airways 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/192:35 pm -
1 stop18h 50m
Sun 1/39:00 pm -
2 stops28h 22m
Deal found 9/7![Multiple Airlines logo]()
$2,404
Last-minute flights from Dulles Intl to KolkataDiscover last-minute flight deals from Dulles Intl to Kolkata. Data last updated September 10, 2026 and is based on user searches.
Discover last-minute flight deals from Dulles Intl to Kolkata. Data last updated September 10, 2026 and is based on user searches.
This Indian Eagle 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 Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/153:10 pm -
1 stop19h 50m
Wed 9/239:30 pm -
1 stop21h 45m
Deal found 9/8![Etihad Airways logo]()
$905
This Indian Eagle 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 Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/173:10 pm -
1 stop26h 15m
Fri 9/259:30 pm -
1 stop21h 45m
Deal found 9/9![Etihad Airways logo]()
$884
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/173:10 pm -
2 stops23h 25m
Fri 9/257:55 am -
3 stops35h 20m
Deal found 9/9![Multiple Airlines logo]()
$894
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/243:10 pm -
2 stops25h 05m
Fri 10/97:15 am -
3 stops36h 00m
Deal found 9/8![Multiple Airlines logo]()
$880
This MakeMyTrip 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 MakeMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/263:10 pm -
1 stop19h 50m
Mon 10/59:30 pm -
1 stop21h 45m
Deal found 9/9![Etihad Airways logo]()
$929
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/273:10 pm -
1 stop19h 50m
Mon 10/59:30 pm -
1 stop21h 45m
Deal found 9/7![Etihad Airways logo]()
$917
This Indian Eagle 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 Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/203:10 pm -
1 stop19h 50m
Wed 11/49:00 pm -
1 stop22h 35m
Deal found 9/5![Etihad Airways logo]()
$939
One-way flights from Dulles Intl to KolkataSearch for one-way flight options from Dulles Intl to Kolkata. 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 Kolkata. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
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.
Wed 9/163:10 pm -
2 stops47h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$449
This Indian Eagle 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 Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/243:10 pm -
1 stop26h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Etihad Airways logo]()
$466
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/273:10 pm -
2 stops22h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$467
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/223:10 pm -
2 stops25h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$474
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.
Wed 9/233:10 pm -
2 stops25h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$475
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/223:10 pm -
1 stop19h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Etihad Airways logo]()
$477
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/163:10 pm -
1 stop26h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Etihad Airways logo]()
$480
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/173:10 pm -
2 stops23h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$481
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/213:10 pm -
2 stops22h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$487
Find flight deals from Dulles Intl to Kolkata
Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Kolkata (CCU). 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 | Indian Eagle 3 stars |
|---|---|
Most trusted provider | Indian Eagle 3 stars |
Round-trip from | $880 (Mytrip) |
One-way from | $449 (Trip.com) |
Popular in | December |
Cheapest in | April |
Average price | $1,043 |
Cheapflights Fare Finder
Customize your flight search to find flights from Dulles Intl to Kolkata 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 Kolkata that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
Washington, D.C.Kolkata
IAD Washington, D.C. Dulles Intl - CCU Kolkata Netaji S. Chandra
IADCCU
Washington, D.C. Dulles Intl
Thu 9/17
3:10 pm-8:30 pm
1 stop19h 50m
Kolkata Netaji S. Chandra
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$466
Washington, D.C.Kolkata
IAD Washington, D.C. Dulles Intl - CCU Kolkata Netaji S. Chandra
IADCCU
Washington, D.C. Dulles Intl
Thu 9/24
3:10 pm-2:55 am
1 stop26h 15m
Kolkata Netaji S. Chandra
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$466
Washington, D.C.Kolkata
IAD Washington, D.C. Dulles Intl - CCU Kolkata Netaji S. Chandra
IADCCU
Washington, D.C. Dulles Intl
Wed 9/23
3:10 pm-1:45 am
2 stops25h 05m
Kolkata Netaji S. Chandra
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$475
Washington, D.C.Kolkata
IAD Washington, D.C. Dulles Intl - CCU Kolkata Netaji S. Chandra
IADCCU
Washington, D.C. Dulles Intl
Wed 9/23
3:10 pm-2:55 am
1 stop26h 15m
Kolkata Netaji S. Chandra
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$477
Washington, D.C.Kolkata
IAD Washington, D.C. Dulles Intl - CCU Kolkata Netaji S. Chandra
IADCCU
Washington, D.C. Dulles Intl
Tue 9/22
3:10 pm-8:30 pm
1 stop19h 50m
Kolkata Netaji S. Chandra
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$477
Washington, D.C.Kolkata
IAD Washington, D.C. Dulles Intl - CCU Kolkata Netaji S. Chandra
IADCCU
Washington, D.C. Dulles Intl
Thu 9/17
3:10 pm-12:10 am
2 stops23h 30m
Kolkata Netaji S. Chandra
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$481
Washington, D.C.Kolkata
IAD Washington, D.C. Dulles Intl - CCU Kolkata Netaji S. Chandra
IADCCU
Washington, D.C. Dulles Intl
Wed 9/30
3:10 pm-2:55 am
1 stop26h 15m
Kolkata Netaji S. Chandra
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$497
Washington, D.C.Kolkata
IAD Washington, D.C. Dulles Intl - CCU Kolkata Netaji S. Chandra
IADCCU
Washington, D.C. Dulles Intl
Fri 9/25
3:10 pm-11:25 pm
2 stops22h 45m
Kolkata Netaji S. Chandra
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$509
Washington, D.C.Kolkata
IAD Washington, D.C. Dulles Intl - CCU Kolkata Netaji S. Chandra
IADCCU
Washington, D.C. Dulles Intl
Tue 9/22
3:10 pm-8:50 am
3 stops32h 10m
Kolkata Netaji S. Chandra
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$517
Washington, D.C.Kolkata
IAD Washington, D.C. Dulles Intl - CCU Kolkata Netaji S. Chandra
IADCCU
Washington, D.C. Dulles Intl
Fri 11/6
8:05 pm-1:55 am
1 stop19h 20m
Kolkata Netaji S. Chandra
Thu 11/19
3:25 am-3:55 pm
1 stop23h 00m
$1,057
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from Dulles Intl to Kolkata
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 Kolkata 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 Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Kolkata flights, users find the pricing of Indian Eagle to be most consistent on Cheapflights vs. Indian Eagle Users can find the same prices on Washington, D.C. Dulles Intl Airport-Kolkata flight deals on Cheapflights vs. Indian Eagle >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Kolkata 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-Kolkata flights, Cheapflights users trust Indian Eagle the most. Indian Eagle 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-Kolkata 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 Kolkata
Have a flexible travel schedule? Discover the best time to fly to Kolkata from Dulles Intl with our price prediction graph.
IAD-CCU
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 Kolkata
How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Kolkata?
The best time to book flights from Washington, D.C. Dulles Intl Airport to Kolkata is 74 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Kolkata?
Currently, April is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Kolkata (average of $949). Flying from Washington, D.C. Dulles Intl Airport to Kolkata in December is currently the most expensive (average of $1,656). 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.
How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to Kolkata?
Airfare is below average for this route at the moment.
Washington, D.C. Dulles Intl Airport to Kolkata flights typically cost between $1,043 and $1,080 in September.The cheapest round-trip price found within the last 5 days was $880 on Multiple Airlines (Sep 24-Oct 9).
Reviews of airlines servicing Kolkata
Get insights into the airlines that provide service to Kolkata. 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 Kolkata. Reviews last updated September 10, 2026.
Peruse reviews from past customers who have flown with Emirates,SWISS, andQatar Airways from Washington, D.C. Dulles Intl Airport to Kolkata to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.9
Boarding
8.1
Overall
8.1
Comfort
8.0
Crew
8.4
Entertainment
8.2
Reviews
1 / 20
4.0
OkayAnonymous,Dec 2024
IAD - DXB
Food
7.9
Boarding
8.1
Overall
8.1
Comfort
8.0
Crew
8.4
Entertainment
8.2
Reviews
1 / 20
4.0
OkayAnonymous,Dec 2024
IAD - DXB
Food
7.9
Boarding
8.1
Overall
8.1
Comfort
8.0
Crew
8.4
Entertainment
8.2
Reviews
1 / 20
4.0
OkayAnonymous,Dec 2024
IAD - DXB
Food
7.9
Boarding
8.1
Overall
8.1
Comfort
8.0
Crew
8.4
Entertainment
8.2
Reviews
1 / 20
4.0
OkayAnonymous,Dec 2024
IAD - DXB
Food
7.9
Boarding
8.1
Overall
8.1
Comfort
8.0
Crew
8.4
Entertainment
8.2
Reviews
1 / 20
4.0
OkayAnonymous,Dec 2024
IAD - DXB
Food
7.9
Boarding
8.1
Overall
8.1
Comfort
8.0
Crew
8.4
Entertainment
8.2
Reviews
1 / 20
4.0
OkayAnonymous,Dec 2024
IAD - DXB
Related info for your journey
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Other flights to Kolkata
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Dulles Intl and Kolkata flights
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Top 5 airlines flying from Dulles Intl to Kolkata
Discover the top 5 airlines that operate flights from Dulles Intl to Kolkata. 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$885 | Average$1,037 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$909 | Average$1,094 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$947 | Average$1,117 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$958 | Average$1,088 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$1,164 | Average$1,288 | FlexibilityNo cancel fee | On-time76% |