$444+ Cheap flights from Dulles Intl (IAD) to Singapore (SIN)
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 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SIN
Oct 23 — Oct 301
Round-trip
1 adult, Economy
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Find cheap flights from Dulles Intl to Singapore 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.Cheap flight deals from Dulles Intl to Singapore
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Cheapest flights from Dulles Intl to SingaporeExplore the most affordable flight options available from Dulles Intl to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 23, 2026.
Explore the most affordable flight options available from Dulles Intl to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 23, 2026.
This Traveloka deal was found by Cheapflights users on 9/20. 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 Traveloka is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/410:00 am -
1 stop39h 50m
Tue 11/102:00 am -
1 stop43h 00m
Deal found 9/20![Ethiopian Air logo]()
$854
This Kiwi.com deal was found by Cheapflights users on 9/22. 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 11/1910:00 am -
1 stop39h 50m
Sat 11/282:00 am -
2 stops43h 00m
Deal found 9/22![Ethiopian Air logo]()
$885
This Gotogate deal was found by Cheapflights users on 9/20. 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.
Fri 11/2010:00 am -
1 stop39h 50m
Sat 11/282:00 am -
2 stops43h 00m
Deal found 9/20![Ethiopian Air logo]()
$887
This Gotogate deal was found by Cheapflights users on 9/19. 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 11/1210:00 am -
1 stop39h 50m
Sun 11/292:00 am -
2 stops43h 00m
Deal found 9/19![Ethiopian Air logo]()
$888
This IEagle deal was found by Cheapflights users on 9/20. 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1310:00 am -
1 stop39h 50m
Sun 11/292:00 am -
2 stops43h 00m
Deal found 9/20![Ethiopian Air logo]()
$891
This FlightHub deal was found by Cheapflights users on 9/20. 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 11/1010:00 am -
1 stop39h 50m
Sun 11/292:00 am -
1 stop43h 00m
Deal found 9/20![Ethiopian Air logo]()
$898
This FlightHub deal was found by Cheapflights users on 9/21. 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.
Thu 11/510:00 am -
1 stop39h 50m
Fri 11/202:00 am -
1 stop43h 00m
Deal found 9/21![Ethiopian Air logo]()
$909
Best flights from Dulles Intl to SingaporeDiscover carefully curated flight deals from Dulles Intl to Singapore that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 23, 2026.
Discover carefully curated flight deals from Dulles Intl to Singapore that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 23, 2026.
This Ethiopian Air deal was found by Cheapflights users on 9/22. 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 Ethiopian Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2010:00 am -
1 stop39h 50m
Sat 11/282:00 am -
1 stop43h 00m
Deal found 9/22![Ethiopian Air logo]()
$897
This Etihad Airways deal was found by Cheapflights users on 9/20. 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.
Wed 1/202:35 pm -
1 stop30h 00m
Wed 1/277:25 pm -
1 stop26h 40m
Deal found 9/20![Etihad Airways logo]()
$1,040
This Korean Air deal was found by Cheapflights users on 9/20. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/211:50 am -
1 stop43h 35m
Tue 11/101:40 am -
2 stops25h 14m
Deal found 9/20![Korean Air logo]()
$1,077
This Delta deal was found by Cheapflights users on 9/19. 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 11/138:05 am -
2 stops31h 55m
Fri 11/2010:30 am -
1 stop36h 20m
Deal found 9/19![Delta logo]()
$1,217
This Qatar Airways deal was found by Cheapflights users on 9/21. 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.
Thu 10/811:05 am -
2 stops25h 05m
Tue 10/139:15 pm -
2 stops30h 40m
Deal found 9/21![Qatar Airways logo]()
$1,265
This Etihad Airways deal was found by Cheapflights users on 9/19. 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 10/233:10 pm -
1 stop30h 30m
Fri 10/305:00 pm -
2 stops29h 05m
Deal found 9/19![Multiple Airlines logo]()
$1,278
This Cathay Pacific deal was found by Cheapflights users on 9/21. 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 3/15:50 pm -
2 stops29h 00m
Mon 3/87:30 am -
2 stops35h 01m
Deal found 9/21![Cathay Pacific logo]()
$1,294
This Emirates deal was found by Cheapflights users on 9/21. 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.
Fri 10/910:55 am -
2 stops36h 35m
Fri 10/169:30 pm -
2 stops47h 20m
Deal found 9/21![Emirates logo]()
$1,465
This Ethiopian Air deal was found by Cheapflights users on 9/18. 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 Ethiopian Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1310:00 am -
1 stop39h 50m
Sat 11/212:00 am -
2 stops43h 00m
Deal found 9/18![Ethiopian Air logo]()
$899
This Turkish Airlines deal was found by Cheapflights users on 9/18. 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 -
1 stop30h 15m
Thu 1/1410:25 am -
1 stop38h 20m
Deal found 9/18![Turkish Airlines logo]()
$1,798
This Etihad Airways deal was found by Cheapflights users on 9/21. 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.
Tue 3/92:35 pm -
1 stop30h 00m
Mon 3/155:00 pm -
2 stops29h 05m
Deal found 9/21![Multiple Airlines logo]()
$1,282
This Korean Air deal was found by Cheapflights users on 9/20. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/166:40 am -
2 stops28h 35m
Sat 1/301:40 am -
2 stops28h 50m
Deal found 9/20![Korean Air logo]()
$1,289
Last-minute flights from Dulles Intl to SingaporeDiscover last-minute flight deals from Dulles Intl to Singapore. Data last updated September 23, 2026 and is based on user searches.
Discover last-minute flight deals from Dulles Intl to Singapore. Data last updated September 23, 2026 and is based on user searches.
This Gotogate deal was found by Cheapflights users on 9/21. 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 10/83:10 pm -
1 stop30h 30m
Wed 10/219:00 pm -
1 stop24h 45m
Deal found 9/21![Etihad Airways logo]()
$1,001
This Cheapflightsfares deal was found by Cheapflights users on 9/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/83:10 pm -
1 stop30h 30m
Tue 10/139:00 pm -
1 stop24h 45m
Deal found 9/18![Etihad Airways logo]()
$1,020
This Cheapflightsfares deal was found by Cheapflights users on 9/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/123:10 pm -
1 stop30h 30m
Wed 10/219:00 pm -
1 stop24h 45m
Deal found 9/21![Etihad Airways logo]()
$1,006
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/133:10 pm -
1 stop30h 30m
Tue 10/277:25 pm -
1 stop26h 40m
Deal found 9/23![Etihad Airways logo]()
$984
This Gotogate deal was found by Cheapflights users on 9/22. 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 stop30h 30m
Sun 10/257:25 pm -
1 stop26h 40m
Deal found 9/22![Etihad Airways logo]()
$1,021
This Gotogate deal was found by Cheapflights users on 9/19. 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 stop30h 30m
Thu 10/297:25 pm -
1 stop26h 40m
Deal found 9/19![Etihad Airways logo]()
$1,025
This FlightHub deal was found by Cheapflights users on 9/19. 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.
Thu 10/153:10 pm -
1 stop30h 30m
Wed 10/219:00 pm -
1 stop24h 45m
Deal found 9/19![Etihad Airways logo]()
$1,027
This Gotogate deal was found by Cheapflights users on 9/20. 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.
Fri 10/163:10 pm -
1 stop30h 30m
Thu 10/297:25 pm -
1 stop26h 40m
Deal found 9/20![Etihad Airways logo]()
$1,002
This Kiwi.com deal was found by Cheapflights users on 9/20. 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 10/203:10 pm -
1 stop30h 30m
Tue 10/277:25 pm -
1 stop26h 40m
Deal found 9/20![Etihad Airways logo]()
$1,024
This Gotogate deal was found by Cheapflights users on 9/21. 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 10/223:10 pm -
1 stop30h 30m
Thu 10/297:25 pm -
1 stop26h 40m
Deal found 9/21![Etihad Airways logo]()
$1,014
This Gotogate deal was found by Cheapflights users on 9/21. 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.
Sat 10/313:35 pm -
1 stop30h 00m
Sat 11/77:25 pm -
1 stop26h 40m
Deal found 9/21![Etihad Airways logo]()
$982
One-way flights from Dulles Intl to SingaporeSearch for one-way flight options from Dulles Intl to Singapore. Find affordable one-way fares based on user searches. Data last updated September 23, 2026.
Search for one-way flight options from Dulles Intl to Singapore. Find affordable one-way fares based on user searches. Data last updated September 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/21. 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 11/411:35 pm -
2 stops46h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Multiple Airlines logo]()
$444
This Kiwi.com deal was found by Cheapflights users on 9/22. 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 11/111:35 pm -
2 stops56h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Multiple Airlines logo]()
$453
This Trip.com deal was found by Cheapflights users on 9/22. 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.
Sun 10/2511:30 am -
2 stops41h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Multiple Airlines logo]()
$475
This IEagle deal was found by Cheapflights users on 9/21. 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/173:10 pm -
1 stop30h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Etihad Airways logo]()
$478
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/163:10 pm -
1 stop30h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Etihad Airways logo]()
$484
This SmartFares deal was found by Cheapflights users on 9/22. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/123:10 pm -
1 stop30h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Etihad Airways logo]()
$490
This Cheapflightsfares deal was found by Cheapflights users on 9/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/272:35 pm -
1 stop30h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Etihad Airways logo]()
$491
This SmartFares deal was found by Cheapflights users on 9/22. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/22:35 pm -
1 stop30h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Etihad Airways logo]()
$492
This oojo deal was found by Cheapflights users on 9/22. 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 2/242:35 pm -
1 stop30h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Etihad Airways logo]()
$495
Find flight deals from Dulles Intl to Singapore
Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Singapore (SIN). 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 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $854 (Traveloka) |
One-way from | $444 (Kiwi.com) |
Popular in | December |
Cheapest in | February |
Average price | $1,136 |
Cheapflights Fare Finder
Customize your flight search to find flights from Dulles Intl to Singapore 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 23, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Singapore that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Washington, D.C.Singapore
IAD Washington, D.C. Dulles Intl - SIN Singapore Changi
IADSIN
Washington, D.C. Dulles Intl
Wed 1/27
2:35 pm-9:35 am
1 stop30h 00m
Singapore Changi
Wed 12/31
12:00 am-11:30 am
Nonstop0h 00m
$510
Washington, D.C.Singapore
IAD Washington, D.C. Dulles Intl - SIN Singapore Changi
IADSIN
Washington, D.C. Dulles Intl
Thu 1/28
2:35 pm-9:35 am
1 stop30h 00m
Singapore Changi
Wed 12/31
12:00 am-11:30 am
Nonstop0h 00m
$510
Washington, D.C.Singapore
IAD Washington, D.C. Dulles Intl - SIN Singapore Changi
IADSIN
Washington, D.C. Dulles Intl
Wed 2/24
2:35 pm-9:35 am
1 stop30h 00m
Singapore Changi
Wed 12/31
12:00 am-11:30 am
Nonstop0h 00m
$510
Washington, D.C.Singapore
IAD Washington, D.C. Dulles Intl - SIN Singapore Changi
IADSIN
Washington, D.C. Dulles Intl
Tue 10/13
6:12 pm-7:15 pm
2 stops37h 03m
Singapore Changi
Wed 12/31
12:00 am-11:30 am
Nonstop0h 00m
$551
Washington, D.C.Singapore
IAD Washington, D.C. Dulles Intl - SIN Singapore Changi
IADSIN
Washington, D.C. Dulles Intl
Thu 11/5
6:05 am-5:00 am
2 stops33h 55m
Singapore Changi
Wed 12/31
12:00 am-11:30 am
Nonstop0h 00m
$551
Washington, D.C.Singapore
IAD Washington, D.C. Dulles Intl - SIN Singapore Changi
IADSIN
Washington, D.C. Dulles Intl
Sun 11/8
6:05 am-12:15 am
2 stops29h 10m
Singapore Changi
Wed 12/31
12:00 am-11:30 am
Nonstop0h 00m
$551
Washington, D.C.Singapore
IAD Washington, D.C. Dulles Intl - SIN Singapore Changi
IADSIN
Washington, D.C. Dulles Intl
Tue 11/3
7:05 am-5:00 am
2 stops32h 55m
Singapore Changi
Wed 12/31
12:00 am-11:30 am
Nonstop0h 00m
$551
Washington, D.C.Singapore
IAD Washington, D.C. Dulles Intl - SIN Singapore Changi
IADSIN
Washington, D.C. Dulles Intl
Sat 11/7
5:50 pm-3:30 pm
1 stop32h 40m
Singapore Changi
Wed 12/31
12:00 am-11:30 am
Nonstop0h 00m
$560
Washington, D.C.Singapore
IAD Washington, D.C. Dulles Intl - SIN Singapore Changi
IADSIN
Washington, D.C. Dulles Intl
Sun 2/28
2:35 pm-12:05 pm
3 stops32h 30m
Singapore Changi
Wed 12/31
12:00 am-11:30 am
Nonstop0h 00m
$561
Washington, D.C.Singapore
IAD Washington, D.C. Dulles Intl - SIN Singapore Changi
IADSIN
Washington, D.C. Dulles Intl
Fri 10/2
1:20 pm-4:25 pm
1 stop39h 05m
Singapore Changi
Wed 12/31
12:00 am-11:30 am
Nonstop0h 00m
$606
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from Dulles Intl to Singapore
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 Singapore 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 |
- Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Singapore 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-Singapore flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Singapore 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-Singapore 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-Singapore 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 Singapore
Have a flexible travel schedule? Discover the best time to fly to Singapore from Dulles Intl with our price prediction graph.
IAD-SIN
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 Singapore
How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Singapore?
Booking 86 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. Dulles Intl Airport to Singapore. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Singapore?
Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Singapore (average of $955). Flying from Washington, D.C. Dulles Intl Airport to Singapore in December is currently the most expensive (average of $1,975). 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 Singapore?
Airfare is below average for this route at the moment.
Washington, D.C. Dulles Intl Airport to Singapore flights typically cost between $1,050 and $1,142 in November.The cheapest round-trip price found within the last 5 days was $854 on Ethiopian Air (Nov 4-Nov 10).
Reviews of airlines servicing Singapore
Get insights into the airlines that provide service to Singapore. 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 Singapore. Reviews last updated September 23, 2026.
Peruse reviews from past customers who have flown with Korean Air,Turkish Airlines, andUnited Airlines from Washington, D.C. Dulles Intl Airport to Singapore 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.
Overall
8.4
Boarding
8.5
Crew
8.7
Entertainment
8.2
Comfort
8.3
Food
8.1
Reviews
1 / 20
10.0
ExcellentWalter,Jul 2026
LAX - BKK
Overall
8.4
Boarding
8.5
Crew
8.7
Entertainment
8.2
Comfort
8.3
Food
8.1
Reviews
1 / 20
10.0
ExcellentWalter,Jul 2026
LAX - BKK
Overall
8.4
Boarding
8.5
Crew
8.7
Entertainment
8.2
Comfort
8.3
Food
8.1
Reviews
1 / 20
10.0
ExcellentWalter,Jul 2026
LAX - BKK
Overall
8.4
Boarding
8.5
Crew
8.7
Entertainment
8.2
Comfort
8.3
Food
8.1
Reviews
1 / 20
10.0
ExcellentWalter,Jul 2026
LAX - BKK
Overall
8.4
Boarding
8.5
Crew
8.7
Entertainment
8.2
Comfort
8.3
Food
8.1
Reviews
1 / 20
10.0
ExcellentWalter,Jul 2026
LAX - BKK
Overall
8.4
Boarding
8.5
Crew
8.7
Entertainment
8.2
Comfort
8.3
Food
8.1
Reviews
1 / 20
10.0
ExcellentWalter,Jul 2026
LAX - BKK
Related info for your journey
Find useful and relevant information for your journey from Dulles Intl to Singapore. 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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Dulles Intl and Singapore flights
Browse other Dulles Intl and Singapore flight options. Last updated on September 23, 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 23, 2026.
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Top 6 airlines flying from Dulles Intl to Singapore
Discover the top 6 airlines that operate flights from Dulles Intl to Singapore. 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 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$826 | Average$1,119 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$938 | Average$1,159 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$1,011 | Average$1,189 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$1,069 | Average$1,154 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$1,124 | Average$1,698 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$1,314 | Average$2,103 | FlexibilityNo cancel fee | On-time62% |