$432+ 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 3/21. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SIN
Dec 4 — Dec 111
Round-trip
1 adult, Economy
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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
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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 November 4, 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 November 4, 2026.
This Turkish Airlines deal was found by Cheapflights users on 11/2. 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.
Thu 12/31:30 pm -
1 stop39h 10m
Thu 12/1011:15 pm -
1 stop25h 30m
Deal found 11/2![Turkish Airlines logo]()
$1,168
This Flightnetwork deal was found by Cheapflights users on 11/1. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/172:25 pm -
1 stop30h 10m
Mon 11/237:25 pm -
1 stop26h 35m
Deal found 11/1![Etihad Airways logo]()
$1,170
This IEagle deal was found by Cheapflights users on 11/1. 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.
Tue 11/242:25 pm -
1 stop30h 10m
Sat 12/197:25 pm -
1 stop26h 35m
Deal found 11/1![Etihad Airways logo]()
$1,174
This Turkish Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/61:30 pm -
1 stop30h 15m
Thu 11/1911:15 pm -
1 stop33h 10m
Deal found 10/31![Turkish Airlines logo]()
$1,178
This Etihad Airways deal was found by Cheapflights users on 10/30. 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 11/122:25 pm -
1 stop30h 10m
Mon 11/167:25 pm -
1 stop26h 35m
Deal found 10/30![Etihad Airways logo]()
$1,184
This Etihad Airways deal was found by Cheapflights users on 11/3. 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 11/292:25 pm -
1 stop30h 10m
Mon 12/77:25 pm -
1 stop26h 35m
Deal found 11/3![Etihad Airways logo]()
$1,190
This Turkish Airlines deal was found by Cheapflights users on 10/31. 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.
Wed 12/99:20 pm -
1 stop23h 40m
Tue 12/1510:25 am -
1 stop38h 20m
Deal found 10/31![Turkish Airlines logo]()
$1,194
This FlightHub deal was found by Cheapflights users on 11/2. 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.
Wed 11/251:30 pm -
1 stop31h 30m
Wed 12/211:40 am -
1 stop37h 05m
Deal found 11/2![Turkish Airlines logo]()
$1,195
This Cathay Pacific deal was found by Cheapflights users on 11/1. 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 11/26:00 am -
2 stops34h 40m
Mon 11/161:25 am -
2 stops41h 13m
Deal found 11/1![Multiple Airlines logo]()
$1,196
This Cathay Pacific deal was found by Cheapflights users on 11/1. 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.
Tue 11/176:00 am -
2 stops34h 40m
Sun 11/221:25 am -
2 stops41h 05m
Deal found 11/1![Multiple Airlines logo]()
$1,198
This Cheapflightsfares deal was found by Cheapflights users on 11/3. 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 11/168:05 pm -
2 stops31h 35m
Wed 11/253:15 am -
1 stop25h 40m
Deal found 11/3![Qatar Airways logo]()
$1,199
This Mytrip deal was found by Cheapflights users on 11/1. 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.
Wed 12/212:06 pm -
3 stops34h 44m
Tue 12/83:15 pm -
3 stops32h 56m
Deal found 11/1![Multiple Airlines logo]()
$1,203
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 November 4, 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 November 4, 2026.
This Delta deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/167:00 am -
2 stops29h 15m
Tue 3/2310:30 pm -
2 stops28h 11m
Deal found 11/1![Delta logo]()
$1,196
This Cathay Pacific deal was found by Cheapflights users on 11/1. 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 11/236:00 am -
2 stops34h 40m
Mon 12/712:55 pm -
2 stops29h 23m
Deal found 11/1![Multiple Airlines logo]()
$1,196
This Turkish Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/299:20 pm -
1 stop22h 25m
Sun 12/1310:25 am -
1 stop38h 20m
Deal found 11/2![Turkish Airlines logo]()
$1,228
This Cathay Pacific deal was found by Cheapflights users on 10/31. 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.
Tue 4/207:00 am -
2 stops34h 30m
Tue 4/279:45 am -
2 stops25h 43m
Deal found 10/31![Cathay Pacific logo]()
$1,290
This Ethiopian Air deal was found by Cheapflights users on 11/4. 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.
Thu 11/1910:00 am -
1 stop39h 50m
Sun 11/222:00 am -
2 stops30h 05m
Deal found 11/4![Ethiopian Air logo]()
$1,297
This Etihad Airways deal was found by Cheapflights users on 11/2. 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 11/192:25 pm -
1 stop30h 10m
Wed 11/257:25 pm -
1 stop26h 35m
Deal found 11/2![Etihad Airways logo]()
$1,438
This Emirates deal was found by Cheapflights users on 10/30. 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 12/1410:35 am -
1 stop22h 10m
Sun 12/2012:30 am -
1 stop45h 05m
Deal found 10/30![Emirates logo]()
$1,848
This Delta deal was found by Cheapflights users on 11/1. 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.
Mon 3/16:00 am -
2 stops29h 15m
Mon 3/810:30 pm -
2 stops29h 11m
Deal found 11/1![Delta logo]()
$1,196
This Turkish Airlines deal was found by Cheapflights users on 10/31. 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 12/81:30 pm -
1 stop28h 20m
Sun 12/1311:15 pm -
1 stop33h 10m
Deal found 10/31![Turkish Airlines logo]()
$1,228
This Turkish Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/289:20 pm -
1 stop31h 20m
Sun 3/2810:20 am -
1 stop37h 10m
Deal found 11/4![Turkish Airlines logo]()
$1,234
This Turkish Airlines deal was found by Cheapflights users on 11/3. 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.
Wed 11/181:30 pm -
1 stop31h 30m
Thu 11/2610:25 am -
1 stop38h 20m
Deal found 11/3![Turkish Airlines logo]()
$1,309
Last-minute flights from Dulles Intl to SingaporeDiscover last-minute flight deals from Dulles Intl to Singapore. Data last updated November 4, 2026 and is based on user searches.
Discover last-minute flight deals from Dulles Intl to Singapore. Data last updated November 4, 2026 and is based on user searches.
This Turkish Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/61:30 pm -
1 stop30h 15m
Thu 11/1911:15 pm -
1 stop33h 10m
Deal found 10/31![Turkish Airlines logo]()
$1,178
This Etihad Airways deal was found by Cheapflights users on 10/30. 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 11/122:25 pm -
1 stop30h 10m
Mon 11/167:25 pm -
1 stop26h 35m
Deal found 10/30![Etihad Airways logo]()
$1,184
This Cheapflightsfares deal was found by Cheapflights users on 11/3. 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 11/168:05 pm -
2 stops31h 35m
Wed 11/253:15 am -
1 stop25h 40m
Deal found 11/3![Qatar Airways logo]()
$1,199
This Flightnetwork deal was found by Cheapflights users on 11/1. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/172:25 pm -
1 stop30h 10m
Mon 11/237:25 pm -
1 stop26h 35m
Deal found 11/1![Etihad Airways logo]()
$1,170
This Cathay Pacific deal was found by Cheapflights users on 11/1. 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.
Tue 11/176:00 am -
2 stops34h 40m
Sun 11/221:25 am -
2 stops41h 05m
Deal found 11/1![Multiple Airlines logo]()
$1,198
This Cathay Pacific deal was found by Cheapflights users on 11/1. 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 11/236:00 am -
2 stops34h 40m
Mon 12/712:55 pm -
2 stops29h 23m
Deal found 11/1![Multiple Airlines logo]()
$1,196
This IEagle deal was found by Cheapflights users on 11/1. 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.
Tue 11/242:25 pm -
1 stop30h 10m
Sat 12/197:25 pm -
1 stop26h 35m
Deal found 11/1![Etihad Airways logo]()
$1,174
This FlightHub deal was found by Cheapflights users on 11/2. 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.
Wed 11/251:30 pm -
1 stop31h 30m
Wed 12/211:40 am -
1 stop37h 05m
Deal found 11/2![Turkish Airlines logo]()
$1,195
This Etihad Airways deal was found by Cheapflights users on 11/3. 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 11/292:25 pm -
1 stop30h 10m
Mon 12/77:25 pm -
1 stop26h 35m
Deal found 11/3![Etihad Airways logo]()
$1,190
This Mytrip deal was found by Cheapflights users on 11/1. 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.
Wed 12/212:06 pm -
3 stops34h 44m
Tue 12/83:15 pm -
3 stops32h 56m
Deal found 11/1![Multiple Airlines logo]()
$1,203
This Turkish Airlines deal was found by Cheapflights users on 11/2. 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.
Thu 12/31:30 pm -
1 stop39h 10m
Thu 12/1011:15 pm -
1 stop25h 30m
Deal found 11/2![Turkish Airlines logo]()
$1,168
This Turkish Airlines deal was found by Cheapflights users on 10/31. 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.
Wed 12/99:20 pm -
1 stop23h 40m
Thu 12/1710:25 am -
1 stop38h 20m
Deal found 10/31![Turkish Airlines logo]()
$1,194
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 November 4, 2026.
Search for one-way flight options from Dulles Intl to Singapore. Find affordable one-way fares based on user searches. Data last updated November 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 3/2112:35 am -
2 stops59h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Multiple Airlines logo]()
$432
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 1/3111:35 pm -
2 stops59h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Multiple Airlines logo]()
$453
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 3/2412:35 am -
3 stops49h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Multiple Airlines logo]()
$460
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 3/2812:35 am -
2 stops47h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Multiple Airlines logo]()
$464
This Kiwi.com deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/2911:35 pm -
2 stops48h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/31![Multiple Airlines logo]()
$489
This Kiwi.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/2612:35 am -
3 stops51h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Multiple Airlines logo]()
$497
This oojo deal was found by Cheapflights users on 11/2. 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 1/272:25 pm -
1 stop30h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Etihad Airways logo]()
$499
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 2/711:35 pm -
2 stops57h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Multiple Airlines logo]()
$501
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 November 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,168 (Turkish Airlines) |
One-way from | $432 (Kiwi.com) |
Popular in | December |
Cheapest in | February |
Average price | $1,202 |
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 November 4, 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
Thu 1/28
2:25 pm-9:35 am
1 stop30h 10m
Singapore Changi
Wed 12/31
12:00 am-11:30 am
Nonstop0h 00m
$499
Washington, D.C.Singapore
IAD Washington, D.C. Dulles Intl - SIN Singapore Changi
IADSIN
Washington, D.C. Dulles Intl
Wed 1/27
6:15 pm-8:25 pm
2 stops61h 10m
Singapore Changi
Wed 12/31
12:00 am-11:30 am
Nonstop0h 00m
$554
Washington, D.C.Singapore
IAD Washington, D.C. Dulles Intl - SIN Singapore Changi
IADSIN
Washington, D.C. Dulles Intl
Thu 1/28
7:00 am-12:15 am
2 stops28h 15m
Singapore Changi
Wed 12/31
12:00 am-11:30 am
Nonstop0h 00m
$615
Washington, D.C.Singapore
IAD Washington, D.C. Dulles Intl - SIN Singapore Changi
IADSIN
Washington, D.C. Dulles Intl
Thu 11/12
6:00 am-11:50 am
2 stops40h 50m
Singapore Changi
Wed 12/31
12:00 am-11:30 am
Nonstop0h 00m
$666
Quickest round-trip
Washington, D.C.Singapore
IAD Washington, D.C. Dulles Intl - SIN Singapore Changi
IADSIN
Washington, D.C. Dulles Intl
Wed 12/9
9:20 pm-10:00 am
1 stop23h 40m
Singapore Changi
Wed 12/31
12:00 am-11:30 am
Nonstop0h 00m
$677
Washington, D.C.Singapore
IAD Washington, D.C. Dulles Intl - SIN Singapore Changi
IADSIN
Washington, D.C. Dulles Intl
Sat 11/21
2:25 pm-9:45 am
1 stop30h 20m
Singapore Changi
Wed 12/31
12:00 am-11:30 am
Nonstop0h 00m
$696
Washington, D.C.Singapore
IAD Washington, D.C. Dulles Intl - SIN Singapore Changi
IADSIN
Washington, D.C. Dulles Intl
Tue 3/16
7:00 am-12:15 am
2 stops29h 15m
Singapore Changi
Tue 3/23
10:30 pm-2:41 pm
2 stops28h 11m
$1,196
Washington, D.C.Singapore
IAD Washington, D.C. Dulles Intl - SIN Singapore Changi
IADSIN
Washington, D.C. Dulles Intl
Mon 11/23
6:00 am-5:40 am
2 stops34h 40m
Singapore Changi
Mon 12/7
12:55 pm-5:18 am
2 stops29h 23m
$1,196
Washington, D.C.Singapore
IAD Washington, D.C. Dulles Intl - SIN Singapore Changi
IADSIN
Washington, D.C. Dulles Intl
Mon 3/1
6:00 am-12:15 am
2 stops29h 15m
Singapore Changi
Mon 3/8
10:30 pm-2:41 pm
2 stops29h 11m
$1,196
Washington, D.C.Singapore
IAD Washington, D.C. Dulles Intl - SIN Singapore Changi
IADSIN
Washington, D.C. Dulles Intl
Sun 11/29
9:20 pm-8:45 am
1 stop22h 25m
Singapore Changi
Sun 12/13
10:25 am-11:45 am
1 stop38h 20m
$1,228
Showing 1-10 of 17 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 November.
| 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 Accuracy2 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 $1,033). Flying from Washington, D.C. Dulles Intl Airport to Singapore in December is currently the most expensive (average of $1,971). 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 $1,174 and $1,319 in December.The cheapest round-trip price found within the last 5 days was $1,168 on Turkish Airlines (Dec 3-Dec 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 November 4, 2026.
Peruse reviews from past customers who have flown with Korean Air,Qatar Airways, andTurkish 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.
Crew
8.7
Entertainment
8.2
Boarding
8.5
Comfort
8.3
Overall
8.4
Food
8.1
Reviews
1 / 20
10.0
ExcellentWalter,Jul 2026
LAX - BKK
Crew
8.7
Entertainment
8.2
Boarding
8.5
Comfort
8.3
Overall
8.4
Food
8.1
Reviews
1 / 20
10.0
ExcellentWalter,Jul 2026
LAX - BKK
Crew
8.7
Entertainment
8.2
Boarding
8.5
Comfort
8.3
Overall
8.4
Food
8.1
Reviews
1 / 20
10.0
ExcellentWalter,Jul 2026
LAX - BKK
Crew
8.7
Entertainment
8.2
Boarding
8.5
Comfort
8.3
Overall
8.4
Food
8.1
Reviews
1 / 20
10.0
ExcellentWalter,Jul 2026
LAX - BKK
Crew
8.7
Entertainment
8.2
Boarding
8.5
Comfort
8.3
Overall
8.4
Food
8.1
Reviews
1 / 20
10.0
ExcellentWalter,Jul 2026
LAX - BKK
Crew
8.7
Entertainment
8.2
Boarding
8.5
Comfort
8.3
Overall
8.4
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 November 4, 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 November 4, 2026.
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Other flights to Singapore
Explore flights to Singapore departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on November 4, 2026.
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 November 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$835 | Average$1,075 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$938 | Average$1,182 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$984 | Average$1,154 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$1,011 | Average$1,166 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$1,125 | Average$1,757 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$1,314 | Average$2,183 | FlexibilityNo cancel fee | On-time62% |