$396+ Cheap flights from Dulles Intl (IAD) to Sri Lanka
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 15 — Oct 221
Round-trip
1 adult, Economy
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Cheapest flights from Dulles Intl to Sri LankaExplore the most affordable flight options available from Dulles Intl to Sri Lanka. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2026.
Explore the most affordable flight options available from Dulles Intl to Sri Lanka. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2026.
This Indian Eagle 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 Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/53:10 pm -
1 stop19h 55m
Thu 10/229:50 pm -
1 stop21h 25m
Deal found 9/10![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 9/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/83:10 pm -
1 stop31h 55m
Tue 12/84:05 pm -
1 stop27h 30m
Deal found 9/10![Etihad Airways logo]()
$855
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.
Mon 10/53:10 pm -
1 stop31h 55m
Wed 10/219:50 pm -
1 stop21h 25m
Deal found 9/14![Etihad Airways logo]()
$856
This Gotogate deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/133:10 pm -
1 stop38h 15m
Tue 9/294:20 pm -
1 stop26h 55m
Deal found 9/11![Etihad Airways logo]()
$869
This Gotogate deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/273:35 pm -
1 stop37h 45m
Fri 11/209:35 pm -
1 stop22h 00m
Deal found 9/11![Etihad Airways logo]()
$874
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 Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/293:10 pm -
1 stop31h 55m
Tue 10/1310:00 am -
1 stop33h 15m
Deal found 9/10![Etihad Airways logo]()
$882
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/43:10 pm -
1 stop38h 15m
Thu 10/224:10 am -
1 stop39h 05m
Deal found 9/10![Etihad Airways logo]()
$883
This Justfly.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/283:10 pm -
1 stop26h 20m
Tue 10/1310:00 am -
1 stop33h 15m
Deal found 9/10![Etihad Airways logo]()
$888
Best flights from Dulles Intl to Sri LankaDiscover carefully curated flight deals from Dulles Intl to Sri Lanka that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2026.
Discover carefully curated flight deals from Dulles Intl to Sri Lanka that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2026.
This Etihad Airways 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/43:10 pm -
1 stop38h 15m
Tue 10/2010:00 am -
1 stop33h 15m
Deal found 9/10![Etihad Airways logo]()
$904
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 9/10. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/2210:30 am -
2 stops21h 25m
Tue 4/205:35 pm -
1 stop24h 35m
Deal found 9/10![Emirates logo]()
$1,074
This Etihad Airways 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/23:10 pm -
1 stop38h 15m
Thu 10/229:50 pm -
1 stop21h 25m
Deal found 9/10![Etihad Airways logo]()
$944
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 9/13. 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 Etihad Airways 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/23:10 pm -
1 stop38h 15m
Sat 10/244:10 am -
1 stop39h 25m
Deal found 9/12![Etihad Airways logo]()
$984
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 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/143:35 pm -
1 stop37h 45m
Sun 4/114:10 am -
1 stop39h 05m
Deal found 9/11![Etihad Airways logo]()
$1,025
This Emirates 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2910:55 am -
2 stops22h 05m
Tue 10/135:35 pm -
1 stop24h 45m
Deal found 9/10![Emirates logo]()
$1,074
Last-minute flights from Dulles Intl to Sri LankaDiscover last-minute flight deals from Dulles Intl to Sri Lanka. Data last updated September 15, 2026 and is based on user searches.
Discover last-minute flight deals from Dulles Intl to Sri Lanka. Data last updated September 15, 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.
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 Justfly.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/283:10 pm -
1 stop26h 20m
Tue 10/1310:00 am -
1 stop33h 15m
Deal found 9/10![Etihad Airways logo]()
$888
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/293:10 pm -
1 stop31h 55m
Tue 10/1310:00 am -
1 stop33h 15m
Deal found 9/10![Etihad Airways logo]()
$882
This deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/13:10 pm -
1 stop19h 55m
Sat 10/179:50 pm -
1 stop21h 25m
Deal found 9/11![Etihad Airways logo]()
$894
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/43:10 pm -
1 stop38h 15m
Thu 10/224:10 am -
1 stop39h 05m
Deal found 9/10![Etihad Airways logo]()
$883
This Indian Eagle 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 Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/53:10 pm -
1 stop19h 55m
Thu 10/229:50 pm -
1 stop21h 25m
Deal found 9/10![Etihad Airways logo]()
$843
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.
Mon 10/53:10 pm -
1 stop31h 55m
Wed 10/219:50 pm -
1 stop21h 25m
Deal found 9/14![Etihad Airways logo]()
$856
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/83:10 pm -
1 stop31h 55m
Tue 12/84:05 pm -
1 stop27h 30m
Deal found 9/10![Etihad Airways logo]()
$855
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/83:10 pm -
1 stop19h 55m
Fri 10/239:50 pm -
1 stop21h 25m
Deal found 9/10![Etihad Airways logo]()
$890
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 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/183:10 pm -
1 stop31h 55m
Sun 11/84:05 pm -
1 stop27h 30m
Deal found 9/11![Etihad Airways logo]()
$895
This Gotogate deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/273:35 pm -
1 stop37h 45m
Fri 11/209:35 pm -
1 stop22h 00m
Deal found 9/11![Etihad Airways logo]()
$874
One-way flights from Dulles Intl to Sri LankaSearch for one-way flight options from Dulles Intl to Sri Lanka. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.
Search for one-way flight options from Dulles Intl to Sri Lanka. Find affordable one-way fares based on user searches. Data last updated September 15, 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.
Sun 9/203:10 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 9/10. 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 Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/263:35 pm -
1 stop25h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![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 Indian Eagle 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 Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/263:10 pm -
1 stop26h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Etihad Airways logo]()
$454
This lol.travel deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/103:10 pm -
1 stop31h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Etihad Airways logo]()
$456
This Indian Eagle 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 Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/272:35 pm -
1 stop37h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Etihad Airways logo]()
$459
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
Find flight deals from Dulles Intl to Sri Lanka
Keep the following information in mind while searching for Dulles Intl to Sri Lanka flight deals. Data was last updated September 15, 2026.
Round-trip from | $843 (Indian Eagle) |
|---|---|
One-way from | $396 (eDestinos) |
Popular in | December |
Cheapest in | September |
Average price | $878 |
Cheapflights Fare Finder
Customize your flight search to find flights from Dulles Intl to Sri Lanka 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 15, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Sri Lanka 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 11/27
2:35 pm-2:50 pm
1 stop37h 45m
Colombo Bandaranaike Intl
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$459
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
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
Tue 10/27
12:28 pm-8:15 pm
2 stops22h 17m
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
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
Sat 10/10
3:10 pm-3:50 am
3 stops27h 10m
Colombo Bandaranaike Intl
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$596
Washington, D.C.Colombo
IAD Washington, D.C. Dulles Intl - CMB Colombo Bandaranaike Intl
IADCMB
Washington, D.C. Dulles Intl
Mon 10/26
3:35 pm-11:20 pm
2 stops22h 15m
Colombo Bandaranaike Intl
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$598
Showing 1-10 of 20 resultsSorted by cheapest first
Best time to book a flight from Dulles Intl to Sri Lanka
Have a flexible travel schedule? Discover the best time to fly to Sri Lanka from Dulles Intl with our price prediction graph.
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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 Sri Lanka
IAD-LK0
IAD-CMB
What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Sri Lanka?
Currently, October is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Sri Lanka (average of $874). Flying from Washington, D.C. Dulles Intl Airport to Sri Lanka 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 far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Sri Lanka?
To ensure you get the cheapest price possible for a flight from Washington, D.C. Dulles Intl Airport to Sri Lanka, you should look to book at least 43 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Reviews of airlines servicing Sri Lanka
Get insights into the airlines that provide service to Sri Lanka. 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 Sri Lanka. Reviews last updated September 15, 2026.
Peruse reviews from past customers who have flown with Qatar Airways,Turkish Airlines, andEtihad Airways from Washington, D.C. Dulles Intl Airport to Sri Lanka 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.
Entertainment
7.3
Overall
7.4
Boarding
7.5
Comfort
7.3
Food
7.3
Crew
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,Aug 2024
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Entertainment
7.3
Overall
7.4
Boarding
7.5
Comfort
7.3
Food
7.3
Crew
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,Aug 2024
IAD - DOH
Entertainment
7.3
Overall
7.4
Boarding
7.5
Comfort
7.3
Food
7.3
Crew
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,Aug 2024
IAD - DOH
Entertainment
7.3
Overall
7.4
Boarding
7.5
Comfort
7.3
Food
7.3
Crew
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,Aug 2024
IAD - DOH
Entertainment
7.3
Overall
7.4
Boarding
7.5
Comfort
7.3
Food
7.3
Crew
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,Aug 2024
IAD - DOH
Entertainment
7.3
Overall
7.4
Boarding
7.5
Comfort
7.3
Food
7.3
Crew
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,Aug 2024
IAD - DOH
Related info for your journey
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Alternative routes for Dulles Intl to Sri Lanka
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Dulles Intl and Sri Lanka flights
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Dulles Intl to Sri Lanka flights
Consider these flights traveling from Dulles Intl to Sri Lanka.
Top 6 airlines flying from Dulles Intl to Sri Lanka
Discover the top 6 airlines that operate flights from Dulles Intl to Sri Lanka. 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 15, 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% |