$396+ Cheap flights from Dulles Intl (IAD) to Bandaranaike Intl (CMB)
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 11/1. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — CMB
Oct 17 — Oct 241
Round-trip
1 adult, Economy
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Find cheap flights from Dulles Intl to Colombo with Cheapflights
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Cheapest flights from Dulles Intl to ColomboExplore the most affordable flight options available from Dulles Intl to Colombo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
Explore the most affordable flight options available from Dulles Intl to Colombo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
This Indian Eagle deal was found by Cheapflights users on 9/14. 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.
Mon 10/123:10 pm -
1 stop26h 20m
Mon 10/1910:00 am -
1 stop33h 15m
Deal found 9/14![Etihad Airways logo]()
$843
This oojo deal was found by Cheapflights users on 9/15. 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.
Mon 9/283:10 pm -
1 stop31h 55m
Mon 10/54:10 am -
1 stop39h 05m
Deal found 9/15![Etihad Airways logo]()
$848
This oojo deal was found by Cheapflights users on 9/12. 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.
Thu 10/13:10 pm -
1 stop19h 55m
Fri 12/44:05 pm -
1 stop27h 30m
Deal found 9/12![Etihad Airways logo]()
$855
This oojo deal was found by Cheapflights users on 9/16. 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 10/203:10 pm -
1 stop31h 55m
Fri 11/209:55 am -
1 stop33h 40m
Deal found 9/16![Etihad Airways logo]()
$856
This oojo deal was found by Cheapflights users on 9/15. 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 9/203:10 pm -
1 stop38h 15m
Mon 10/59:50 pm -
1 stop21h 25m
Deal found 9/15![Etihad Airways logo]()
$872
This Gotogate deal was found by Cheapflights users on 9/16. 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.
Thu 10/153:10 pm -
1 stop38h 15m
Fri 10/304:00 am -
1 stop39h 35m
Deal found 9/16![Etihad Airways logo]()
$875
This Gotogate deal was found by Cheapflights users on 9/17. 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.
Mon 9/213:10 pm -
1 stop31h 55m
Mon 10/510:00 am -
1 stop33h 15m
Deal found 9/17![Etihad Airways logo]()
$876
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 10/123:10 pm -
1 stop19h 55m
Wed 12/239:55 am -
1 stop33h 40m
Deal found 9/13![Etihad Airways logo]()
$879
This oojo deal was found by Cheapflights users on 9/13. 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.
Mon 9/143:10 pm -
1 stop19h 55m
Mon 9/214:10 am -
1 stop39h 05m
Deal found 9/13![Etihad Airways logo]()
$881
This Gotogate deal was found by Cheapflights users on 9/16. 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.
Mon 10/123:10 pm -
1 stop19h 55m
Fri 12/254:05 pm -
1 stop27h 30m
Deal found 9/16![Etihad Airways logo]()
$882
This Indian Eagle deal was found by Cheapflights users on 9/12. 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 10/13:10 pm -
1 stop31h 55m
Sun 10/1810:00 am -
1 stop33h 15m
Deal found 9/12![Etihad Airways logo]()
$883
Best flights from Dulles Intl to ColomboDiscover carefully curated flight deals from Dulles Intl to Colombo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
Discover carefully curated flight deals from Dulles Intl to Colombo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
This Etihad Airways deal was found by Cheapflights users on 9/16. 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.
Sun 9/273:10 pm -
1 stop38h 15m
Sun 10/44:20 pm -
1 stop26h 55m
Deal found 9/16![Etihad Airways logo]()
$962
This Etihad Airways deal was found by Cheapflights users on 9/15. 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.
Mon 9/2812:30 pm -
2 stops22h 35m
Mon 10/510:00 am -
1 stop33h 15m
Deal found 9/15![Multiple Airlines logo]()
$1,028
This Emirates deal was found by Cheapflights users on 9/13. 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.
Mon 10/1210:55 am -
2 stops22h 05m
Wed 12/239:50 pm -
1 stop20h 50m
Deal found 9/13![Emirates logo]()
$1,074
This Gulf Air deal was found by Cheapflights users on 9/16. 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 Gulf Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/102:35 pm -
3 stops32h 40m
Tue 12/85:00 pm -
3 stops50h 35m
Deal found 9/16![Gulf Air logo]()
$2,127
This Etihad Airways deal was found by Cheapflights users on 9/15. 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.
Mon 9/2810:25 am -
2 stops24h 40m
Sun 10/44:20 pm -
1 stop26h 55m
Deal found 9/15![Multiple Airlines logo]()
$1,068
This Emirates deal was found by Cheapflights users on 9/16. 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.
Wed 11/410:30 am -
2 stops21h 25m
Mon 11/1611:15 am -
2 stops31h 25m
Deal found 9/16![Emirates logo]()
$1,074
This Emirates deal was found by Cheapflights users on 9/14. 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.
Mon 9/2810:55 am -
2 stops22h 05m
Mon 10/511:15 am -
2 stops31h 05m
Deal found 9/14![Emirates logo]()
$1,074
This Etihad Airways deal was found by Cheapflights users on 9/14. 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 2/410:36 am -
2 stops23h 09m
Tue 2/234:05 pm -
1 stop27h 30m
Deal found 9/14![Multiple Airlines logo]()
$1,109
This Emirates deal was found by Cheapflights users on 9/13. 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.
Mon 10/1210:55 am -
2 stops22h 05m
Thu 11/269:55 am -
1 stop32h 45m
Deal found 9/13![Emirates logo]()
$1,074
This Emirates deal was found by Cheapflights users on 9/16. 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.
Tue 11/1010:30 am -
2 stops21h 25m
Tue 12/89:50 pm -
1 stop20h 50m
Deal found 9/16![Emirates logo]()
$1,074
This Emirates deal was found by Cheapflights users on 9/16. 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.
Wed 11/410:30 am -
2 stops21h 25m
Sun 11/155:20 pm -
1 stop25h 20m
Deal found 9/16![Emirates logo]()
$1,124
Last-minute flights from Dulles Intl to ColomboDiscover last-minute flight deals from Dulles Intl to Colombo. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from Dulles Intl to Colombo. Data last updated September 17, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 9/15. 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 9/203:10 pm -
1 stop38h 15m
Mon 10/59:50 pm -
1 stop21h 25m
Deal found 9/15![Etihad Airways logo]()
$872
This Gotogate deal was found by Cheapflights users on 9/17. 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.
Mon 9/213:10 pm -
1 stop31h 55m
Mon 10/510:00 am -
1 stop33h 15m
Deal found 9/17![Etihad Airways logo]()
$876
This oojo deal was found by Cheapflights users on 9/15. 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.
Mon 9/283:10 pm -
1 stop31h 55m
Mon 10/54:10 am -
1 stop39h 05m
Deal found 9/15![Etihad Airways logo]()
$848
This oojo deal was found by Cheapflights users on 9/15. 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.
Mon 9/283:10 pm -
1 stop19h 55m
Sun 10/44:20 pm -
1 stop26h 55m
Deal found 9/15![Etihad Airways logo]()
$888
This oojo deal was found by Cheapflights users on 9/12. 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.
Thu 10/13:10 pm -
1 stop19h 55m
Fri 12/44:05 pm -
1 stop27h 30m
Deal found 9/12![Etihad Airways logo]()
$855
This Indian Eagle deal was found by Cheapflights users on 9/12. 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 10/13:10 pm -
1 stop31h 55m
Sun 10/1810:00 am -
1 stop33h 15m
Deal found 9/12![Etihad Airways logo]()
$883
This Indian Eagle deal was found by Cheapflights users on 9/14. 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.
Mon 10/123:10 pm -
1 stop26h 20m
Mon 10/1910:00 am -
1 stop33h 15m
Deal found 9/14![Etihad Airways logo]()
$843
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 10/123:10 pm -
1 stop19h 55m
Wed 12/239:55 am -
1 stop33h 40m
Deal found 9/13![Etihad Airways logo]()
$879
This Gotogate deal was found by Cheapflights users on 9/16. 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.
Mon 10/123:10 pm -
1 stop19h 55m
Fri 12/254:05 pm -
1 stop27h 30m
Deal found 9/16![Etihad Airways logo]()
$882
This Gotogate deal was found by Cheapflights users on 9/16. 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.
Thu 10/153:10 pm -
1 stop38h 15m
Fri 10/304:00 am -
1 stop39h 35m
Deal found 9/16![Etihad Airways logo]()
$875
This oojo deal was found by Cheapflights users on 9/16. 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 10/203:10 pm -
1 stop31h 55m
Fri 11/209:55 am -
1 stop33h 40m
Deal found 9/16![Etihad Airways logo]()
$856
One-way flights from Dulles Intl to ColomboSearch for one-way flight options from Dulles Intl to Colombo. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
Search for one-way flight options from Dulles Intl to Colombo. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
This eDestinos deal was found by Cheapflights users on 9/14. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/12:35 pm -
1 stop19h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Etihad Airways logo]()
$396
This Indian Eagle deal was found by Cheapflights users on 9/12. 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.
Mon 9/283:10 pm -
1 stop19h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Etihad Airways logo]()
$414
This Indian Eagle deal was found by Cheapflights users on 9/12. 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.
Wed 10/283:35 pm -
1 stop19h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Etihad Airways logo]()
$419
This oojo deal was found by Cheapflights users on 9/13. 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.
Mon 10/123:10 pm -
1 stop31h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Etihad Airways logo]()
$422
This oojo deal was found by Cheapflights users on 9/14. 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 9/293:10 pm -
1 stop31h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Etihad Airways logo]()
$423
This Mytrip deal was found by Cheapflights users on 9/14. 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 10/153:10 pm -
1 stop38h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Etihad Airways logo]()
$435
This oojo deal was found by Cheapflights users on 9/15. 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.
Fri 10/23:10 pm -
1 stop38h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Etihad Airways logo]()
$463
This FlightHub deal was found by Cheapflights users on 9/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1311:05 am -
1 stop29h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![JetBlue logo]()
$486
This oojo deal was found by Cheapflights users on 9/14. 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 10/49:00 pm -
1 stop19h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Qatar Airways logo]()
$490
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 11/18:05 pm -
1 stop33h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Qatar Airways logo]()
$493
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 11/110:30 am -
2 stops50h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$511
Find flight deals from Dulles Intl to Colombo
Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Colombo (CMB). 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 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $843 (Indian Eagle) |
One-way from | $396 (eDestinos) |
Popular in | December |
Cheapest in | October |
Average price | $970 |
Cheapflights Fare Finder
Customize your flight search to find flights from Dulles Intl to Colombo 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 17, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Colombo Bandaranaike Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
Washington, D.C.Colombo
IAD Washington, D.C. Dulles Intl - CMB Colombo Bandaranaike Intl
IADCMB
Washington, D.C. Dulles Intl
Sun 11/1
2:35 pm-8:15 pm
1 stop19h 10m
Colombo Bandaranaike Intl
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$396
Washington, D.C.Colombo
IAD Washington, D.C. Dulles Intl - CMB Colombo Bandaranaike Intl
IADCMB
Washington, D.C. Dulles Intl
Thu 10/15
3:10 pm-2:55 pm
1 stop38h 15m
Colombo Bandaranaike Intl
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$435
Washington, D.C.Colombo
IAD Washington, D.C. Dulles Intl - CMB Colombo Bandaranaike Intl
IADCMB
Washington, D.C. Dulles Intl
Fri 10/2
3:10 pm-2:55 pm
1 stop38h 15m
Colombo Bandaranaike Intl
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$463
Washington, D.C.Colombo
IAD Washington, D.C. Dulles Intl - CMB Colombo Bandaranaike Intl
IADCMB
Washington, D.C. Dulles Intl
Sun 1/17
10:30 am-11:20 pm
2 stops50h 20m
Colombo Bandaranaike Intl
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$486
Washington, D.C.Colombo
IAD Washington, D.C. Dulles Intl - CMB Colombo Bandaranaike Intl
IADCMB
Washington, D.C. Dulles Intl
Mon 10/12
3:10 pm-11:10 pm
2 stops22h 30m
Colombo Bandaranaike Intl
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$525
Washington, D.C.Colombo
IAD Washington, D.C. Dulles Intl - CMB Colombo Bandaranaike Intl
IADCMB
Washington, D.C. Dulles Intl
Mon 9/28
10:25 am-8:35 pm
2 stops24h 40m
Colombo Bandaranaike Intl
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$574
Washington, D.C.Colombo
IAD Washington, D.C. Dulles Intl - CMB Colombo Bandaranaike Intl
IADCMB
Washington, D.C. Dulles Intl
Sun 11/1
10:30 am-4:30 pm
1 stop19h 30m
Colombo Bandaranaike Intl
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$585
Washington, D.C.Colombo
IAD Washington, D.C. Dulles Intl - CMB Colombo Bandaranaike Intl
IADCMB
Washington, D.C. Dulles Intl
Tue 9/29
11:05 am-1:05 am
2 stops28h 30m
Colombo Bandaranaike Intl
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$591
Washington, D.C.Colombo
IAD Washington, D.C. Dulles Intl - CMB Colombo Bandaranaike Intl
IADCMB
Washington, D.C. Dulles Intl
Sun 9/27
3:10 pm-2:55 pm
1 stop38h 15m
Colombo Bandaranaike Intl
Sun 10/4
4:20 pm-9:45 am
1 stop26h 55m
$962
Washington, D.C.Colombo
IAD Washington, D.C. Dulles Intl - CMB Colombo Bandaranaike Intl
IADCMB
Washington, D.C. Dulles Intl
Fri 10/2
3:10 pm-9:40 am
3 stops33h 00m
Colombo Bandaranaike Intl
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$1,001
Showing 1-10 of 20 resultsSorted by cheapest first
Compare providers for flights from Dulles Intl to Colombo
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 Colombo in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Colombo Bandaranaike Intl Airport 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-Colombo Bandaranaike Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Colombo Bandaranaike Intl Airport 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-Colombo Bandaranaike 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 Washington, D.C. Dulles Intl Airport-Colombo Bandaranaike 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 Dulles Intl to Colombo
Have a flexible travel schedule? Discover the best time to fly to Colombo from Dulles Intl with our price prediction graph.
IAD-CMB
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 Colombo Bandaranaike Intl Airport
Prices
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How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Colombo Bandaranaike Intl Airport?
The best time to book flights from Washington, D.C. Dulles Intl Airport to Colombo Bandaranaike Intl Airport is 44 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 Colombo Bandaranaike Intl Airport?
Currently, October is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Colombo Bandaranaike Intl Airport (average of $874). Flying from Washington, D.C. Dulles Intl Airport to Colombo Bandaranaike Intl Airport in December is currently the most expensive (average of $1,645). 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 Colombo Bandaranaike Intl Airport?
Airfare is below average for this route at the moment.
Washington, D.C. Dulles Intl Airport to Colombo Bandaranaike Intl Airport flights typically cost between $947 and $1,014 in October.The cheapest round-trip price found within the last 5 days was $843 on Etihad Airways (Oct 5-Oct 27).
What’s the top layover airport for flights from Washington, D.C. Dulles Intl Airport to Colombo Bandaranaike Intl Airport?
Share of 1-stop round-trip flights from Washington, D.C. Dulles Intl Airport to Colombo Bandaranaike Intl Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.
Abu Dhabi (AUH) – chosen by Cheapflights users on 50% of 1-stop itineraries from Washington, D.C. Dulles Intl Airport to Colombo Bandaranaike Intl Airport on Cheapflights.
What’s the cheapest layover airport for flights from Washington, D.C. Dulles Intl Airport to Colombo Bandaranaike Intl Airport?
Average round-trip fare for 1-stop flights from Washington, D.C. Dulles Intl Airport to Colombo Bandaranaike Intl Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Istanbul (IST) is the most affordable 1-stop option, with an average round-trip price of $978.
What’s the fastest layover option from Washington, D.C. Dulles Intl Airport to Colombo Bandaranaike Intl Airport?
Shortest average travel time for 1-stop one-way flights from Washington, D.C. Dulles Intl Airport to Colombo Bandaranaike Intl Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Dubai (DXB) have the shortest average one-way travel time for 1-stop routes: 18h 55m.
Which airport typically offers the quickest layover for flights from Washington, D.C. Dulles Intl Airport to Colombo Bandaranaike Intl Airport?
Average layover duration for 1-stop one-way flights from Washington, D.C. Dulles Intl Airport to Colombo Bandaranaike Intl Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Dubai (DXB) offer the fastest connection on this route, with an average layover time of 1h 43m.
Reviews of airlines servicing Colombo
Get insights into the airlines that provide service to Colombo. 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 Colombo. Reviews last updated September 17, 2026.
Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Colombo Bandaranaike Intl Airport, such as Qatar Airways,Turkish Airlines, andEtihad Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.4
Comfort
7.3
Crew
7.9
Boarding
7.5
Entertainment
7.3
Food
7.3
Reviews
1 / 20
10.0
ExcellentAnonymous,Aug 2024
IAD - DOH
Overall
7.4
Comfort
7.3
Crew
7.9
Boarding
7.5
Entertainment
7.3
Food
7.3
Reviews
1 / 20
10.0
ExcellentAnonymous,Aug 2024
IAD - DOH
Overall
7.4
Comfort
7.3
Crew
7.9
Boarding
7.5
Entertainment
7.3
Food
7.3
Reviews
1 / 20
10.0
ExcellentAnonymous,Aug 2024
IAD - DOH
Overall
7.4
Comfort
7.3
Crew
7.9
Boarding
7.5
Entertainment
7.3
Food
7.3
Reviews
1 / 20
10.0
ExcellentAnonymous,Aug 2024
IAD - DOH
Overall
7.4
Comfort
7.3
Crew
7.9
Boarding
7.5
Entertainment
7.3
Food
7.3
Reviews
1 / 20
10.0
ExcellentAnonymous,Aug 2024
IAD - DOH
Overall
7.4
Comfort
7.3
Crew
7.9
Boarding
7.5
Entertainment
7.3
Food
7.3
Reviews
1 / 20
10.0
ExcellentAnonymous,Aug 2024
IAD - DOH
Related info for your journey
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Top 6 airlines flying from Dulles Intl to Colombo
Discover the top 6 airlines that operate flights from Dulles Intl to Colombo. 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 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$789 | Average$1,627 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$810 | Average$1,124 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$863 | Average$1,185 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$911 | Average$1,355 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$1,126 | Average$1,299 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$1,609 | Average$2,516 | FlexibilityNo cancel fee | On-time62% |