Cheap flights from Washington, D.C. Dulles Intl Airport to Singapore from S$ 639
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 24-2. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SIN
19 Feb — 26 Feb1
Return
1 adult
Economy
The best prices from Washington, D.C. Dulles Intl to Singapore Changi are usually found in November or January, booked 56 days in advance, depart on a Monday or Tuesday and return on a Friday
Cheap 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 14 February 2025.
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 14 February 2025.
Thu 6-321:30IAD - SIN
1 stop23h 05mEtihad Airways
Mon 17-319:25SIN - IAD
1 stop34h 00mEtihad Airways
Deal found 13-2S$ 1,213
Wed 5-314:00IAD - SIN
1 stop38h 35mTurkish Airlines
Sun 16-323:25SIN - IAD
1 stop25h 50mTurkish Airlines
Deal found 13-2S$ 1,215
Sat 15-319:10IAD - SIN
1 stop32h 20mSAUDIA
Sat 22-317:00SIN - IAD
1 stop34h 45mSAUDIA
Deal found 13-2S$ 1,232
Thu 6-321:30IAD - SIN
2 stops26h 50mMultiple Airlines
Mon 10-317:00SIN - IAD
1 stop34h 45mMultiple Airlines
Deal found 13-2S$ 1,297
Thu 13-321:05IAD - SIN
1 stop23h 40mQatar Airways
Wed 19-303:15SIN - IAD
1 stop25h 40mQatar Airways
Deal found 13-2S$ 1,363
Thu 6-321:25IAD - SIN
2 stops30h 55mIndiGo
Mon 10-319:40SIN - IAD
2 stops36h 50mIndiGo
Deal found 13-2S$ 1,406
Mon 17-220:05IAD - SIN
1 stop23h 40mAlaska Airlines
Tue 4-303:15SIN - IAD
1 stop25h 40mAlaska Airlines
Deal found 13-2S$ 1,426
Tue 18-220:05IAD - SIN
1 stop23h 40mJetBlue
Fri 28-203:15SIN - IAD
1 stop25h 40mJetBlue
Deal found 12-2S$ 1,487
Sun 14-909:55IAD - SIN
2 stops33h 10mAir Canada
Sat 27-909:10SIN - IAD
1 stop43h 09mAir Canada
Deal found 13-2S$ 1,505
Mon 10-312:50IAD - SIN
1 stop28h 10mKorean Air
Wed 12-301:30SIN - IAD
1 stop21h 20mKorean Air
Deal found 12-2S$ 1,509
Thu 13-206:30IAD - SIN
1 stop24h 45mUnited Airlines
Thu 27-210:10SIN - IAD
1 stop22h 15mUnited Airlines
Deal found 12-2S$ 1,607
Mon 17-206:00IAD - SIN
2 stops29h 10mDelta
Wed 5-311:00SIN - IAD
2 stops26h 20mDelta
Deal found 13-2S$ 1,626
Best flights from Dulles Intl to Singapore
Discover carefully curated flight deals from Dulles Intl to Singapore that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 14 February 2025.
Thu 6-321:30IAD - SIN
1 stop23h 05mEtihad Airways
Mon 17-319:25SIN - IAD
1 stop34h 00mEtihad Airways
Deal found 13-2S$ 1,213
Wed 5-314:00IAD - SIN
1 stop38h 35mTurkish Airlines
Sun 16-323:25SIN - IAD
1 stop25h 50mTurkish Airlines
Deal found 13-2S$ 1,215
Sat 15-319:10IAD - SIN
1 stop32h 20mSAUDIA
Sat 22-317:00SIN - IAD
1 stop34h 45mSAUDIA
Deal found 13-2S$ 1,232
Thu 6-321:30IAD - SIN
2 stops26h 50mMultiple Airlines
Mon 10-317:00SIN - IAD
1 stop34h 45mMultiple Airlines
Deal found 13-2S$ 1,297
Thu 13-321:05IAD - SIN
1 stop23h 40mQatar Airways
Wed 19-303:15SIN - IAD
1 stop25h 40mQatar Airways
Deal found 13-2S$ 1,363
Thu 6-321:25IAD - SIN
2 stops30h 55mIndiGo
Mon 10-319:40SIN - IAD
2 stops36h 50mIndiGo
Deal found 13-2S$ 1,406
Mon 17-220:05IAD - SIN
1 stop23h 40mAlaska Airlines
Tue 4-303:15SIN - IAD
1 stop25h 40mAlaska Airlines
Deal found 13-2S$ 1,426
Tue 18-220:05IAD - SIN
1 stop23h 40mJetBlue
Fri 28-203:15SIN - IAD
1 stop25h 40mJetBlue
Deal found 12-2S$ 1,487
Mon 10-312:50IAD - SIN
1 stop28h 10mKorean Air
Wed 12-301:30SIN - IAD
1 stop21h 20mKorean Air
Deal found 12-2S$ 1,509
Fri 4-414:40IAD - SIN
2 stops28h 25mAir Canada
Sat 12-409:10SIN - IAD
2 stops34h 45mAir Canada
Deal found 13-2S$ 1,526
Sun 11-522:05IAD - SIN
1 stop32h 20mUnited Airlines
Wed 11-620:40SIN - IAD
1 stop22h 39mUnited Airlines
Deal found 13-2S$ 1,607
Mon 17-206:00IAD - SIN
2 stops29h 10mDelta
Wed 5-311:00SIN - IAD
2 stops26h 20mDelta
Deal found 13-2S$ 1,626
Last-minute flights from Dulles Intl to Singapore
Discover last-minute flight deals from Dulles Intl to Singapore. Data last updated 14 February 2025 and is based on user searches.
Thu 13-206:30IAD - SIN
1 stop24h 45mUnited Airlines
Wed 26-222:20SIN - IAD
1 stop21h 40mUnited Airlines
Deal found 12-2S$ 1,607
Mon 17-220:05IAD - SIN
1 stop23h 40mAlaska Airlines
Tue 4-303:15SIN - IAD
1 stop25h 40mAlaska Airlines
Deal found 13-2S$ 1,426
Mon 17-206:00IAD - SIN
2 stops29h 10mDelta
Wed 5-311:00SIN - IAD
2 stops26h 20mDelta
Deal found 13-2S$ 1,626
Tue 18-214:00IAD - SIN
1 stop29h 45mTurkish Airlines
Tue 4-310:25SIN - IAD
1 stop38h 40mTurkish Airlines
Deal found 12-2S$ 1,219
Tue 18-220:05IAD - SIN
1 stop23h 40mJetBlue
Fri 28-203:15SIN - IAD
1 stop25h 40mJetBlue
Deal found 12-2S$ 1,487
Tue 18-220:05IAD - SIN
1 stop23h 40mQatar Airways
Tue 4-306:00SIN - IAD
2 stops39h 20mQatar Airways
Deal found 12-2S$ 1,536
Tue 18-206:00IAD - SIN
2 stops29h 10mDelta
Wed 26-211:00SIN - IAD
2 stops25h 36mDelta
Deal found 12-2S$ 1,626
Tue 18-210:35IAD - SIN
2 stops32h 20mAir Canada
Tue 4-306:35SIN - IAD
2 stops27h 48mAir Canada
Deal found 12-2S$ 1,637
Tue 18-220:05IAD - SIN
2 stops33h 30mMalaysia Airlines
Sat 1-317:25SIN - IAD
2 stops27h 55mMalaysia Airlines
Deal found 12-2S$ 2,017
Tue 18-206:00IAD - SIN
2 stops50h 55mAsiana Airlines
Tue 25-201:55SIN - IAD
2 stops32h 14mAsiana Airlines
Deal found 12-2S$ 2,529
Thu 20-206:30IAD - SIN
1 stop24h 45mUnited Airlines
Thu 27-210:10SIN - IAD
2 stops24h 01mUnited Airlines
Deal found 13-2S$ 1,614
Sun 23-210:35IAD - SIN
1 stop21h 40mMultiple Airlines
Sat 1-317:00SIN - IAD
1 stop34h 45mMultiple Airlines
Deal found 13-2S$ 1,405
One-way flights from Dulles Intl to Singapore
Search for one-way flight options from Dulles Intl to Singapore. Find affordable one-way fares based on user searches. Data last updated 14 February 2025.
Mon 24-221:25IAD - SIN
2 stops30h 55mIndiGo
Deal found 13-2S$ 639
Mon 24-221:30IAD - SIN
3 stops34h 40mMultiple Airlines
Deal found 13-2S$ 644
Mon 24-321:05IAD - SIN
1 stop29h 50mQatar Airways
Deal found 13-2S$ 662
Mon 21-422:00IAD - SIN
1 stop23h 45mEtihad Airways
Deal found 13-2S$ 712
Wed 2-412:35IAD - SIN
1 stop41h 20mTurkish Airlines
Deal found 13-2S$ 716
Mon 24-318:59IAD - SIN
3 stops33h 21mCathay Pacific
Deal found 13-2S$ 1,328
Fri 14-311:00IAD - SIN
1 stop22h 45mAir India
Deal found 13-2S$ 3,476
Find flights from Dulles Intl to Singapore within your budget
Customise 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 200,618 searches. Data last updated 14 February 2025.
Fly from
Dulles Intl
Fly to
Singapore
Route
Depart
Return
Price
Washington, D.C.Singapore
IAD - SIN
IADSIN
Washington, D.C. Dulles Intl
Thu 6-3
21:30-09:35
1 stop23h 05m
Singapore Changi
Mon 17-3
19:25-17:25
1 stop34h 00m
S$ 1,213
Washington, D.C.Singapore
IAD - SIN
IADSIN
Washington, D.C. Dulles Intl
Wed 5-3
14:00-17:35
1 stop38h 35m
Singapore Changi
Sun 16-3
23:25-13:15
1 stop25h 50m
S$ 1,215
Washington, D.C.Singapore
IAD - SIN
IADSIN
Washington, D.C. Dulles Intl
Sat 15-3
19:10-15:30
1 stop32h 20m
Singapore Changi
Sat 22-3
17:00-15:45
1 stop34h 45m
S$ 1,232
Washington, D.C.Singapore
IAD - SIN
IADSIN
Washington, D.C. Dulles Intl
Thu 6-3
21:30-13:20
2 stops26h 50m
Singapore Changi
Mon 10-3
17:00-15:45
1 stop34h 45m
S$ 1,297
Washington, D.C.Singapore
IAD - SIN
IADSIN
Washington, D.C. Dulles Intl
Thu 13-3
21:05-08:45
1 stop23h 40m
Singapore Changi
Wed 19-3
03:15-16:55
1 stop25h 40m
S$ 1,363
Washington, D.C.Singapore
IAD - SIN
IADSIN
Washington, D.C. Dulles Intl
Thu 6-3
21:25-17:20
2 stops30h 55m
Singapore Changi
Mon 10-3
19:40-20:30
2 stops36h 50m
S$ 1,406
Washington, D.C.Singapore
IAD - SIN
IADSIN
Washington, D.C. Dulles Intl
Mon 17-2
20:05-08:45
1 stop23h 40m
Singapore Changi
Tue 4-3
03:15-15:55
1 stop25h 40m
S$ 1,426
Washington, D.C.Singapore
IAD - SIN
IADSIN
Washington, D.C. Dulles Intl
Tue 18-2
20:05-08:45
1 stop23h 40m
Singapore Changi
Fri 28-2
03:15-15:55
1 stop25h 40m
S$ 1,487
Washington, D.C.Singapore
IAD - SIN
IADSIN
Washington, D.C. Dulles Intl
Mon 10-3
12:50-05:00
1 stop28h 10m
Singapore Changi
Wed 12-3
01:30-10:50
1 stop21h 20m
S$ 1,509
Washington, D.C.Singapore
IAD - SIN
IADSIN
Washington, D.C. Dulles Intl
Fri 4-4
14:40-07:05
2 stops28h 25m
Singapore Changi
Sat 12-4
09:10-07:55
2 stops34h 45m
S$ 1,526
Flights are sorted by cheapest return flights first.
Deals found on 13-2
Showing 1-10 of 20 results
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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.
Estimated return 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.
Travel insights for flights from Dulles Intl to Singapore
Get recent, data-driven insights about flights from Dulles Intl to Singapore including ideal travel times, pricing trends, and more.
How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Singapore?
Use this chart to determine the optimal time to book a return flight from Dulles Intl to Singapore. Price data was last updated on 7 February 2025.
Booking 56 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.
Rainfall in Singapore by month
Plan your trip to Singapore by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Singapore ranges from 150.0 - 269.0 inches per month. December is typically the wettest month, when rainfall can reach 269.0 mm. July is typically the driest time to visit Singapore when rainfall is around 150.0 mm.
Temperature in Singapore by month
Plan your trip to Singapore by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Singapore, use this chart to help with planning. For those seeking warmer temperatures, March is the ideal time of year to visit, when temperatures reach an average of 28.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 26.0 C).
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 14 February 2025.
Peruse reviews from past customers who have flown with Korean Air, Delta and Alaska Airlines from Washington, D.C. to Singapore to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.
Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.
Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.
Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.
Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.