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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
1 adult

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.

Round-trip from

S$ 1,213

One-way from

S$ 639

Popular in

December

Cheapest in

November

Average price

S$ 1,410
Etihad Airways
  • Etihad Airways
  • 6-3-17-3
  • 2 total stops
  • 57h 05m total
  • Washington, D.C. to Singapore
IndiGo
  • IndiGo
  • 24-2
  • 2 total stops
  • 30h 55m total
  • Washington, D.C. to Singapore
High demand for flights, 0% potential price rise
Cheapest flight prices on average. 3% potential price decrease (S$ 81 potential savings vs. average return price).
Average for round-trip flights in February 2025

Find flight deals from Dulles Intl to Singapore

Cheapest flights from Dulles Intl to Singapore
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

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
1
2

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.

Entertainment

8.2

Comfort

8.3

Overall

8.4

Food

8.1

Boarding

8.5

Crew

8.7

Reviews

1 / 20

10.0
Excellent

David,Dec 2024

JFK - MCO

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.

Entertainment

8.2

Comfort

8.3

Overall

8.4

Food

8.1

Boarding

8.5

Crew

8.7

Reviews

1 / 20

10.0
Excellent

David,Dec 2024

JFK - MCO

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.

8.0
Very Good

Entertainment

8.2

Comfort

8.3

Overall

8.4

Food

8.1

Boarding

8.5

Crew

8.7

Reviews

1 / 20

10.0
Excellent

David,Dec 2024

JFK - MCO

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.

Entertainment

8.2

Comfort

8.3

Overall

8.4

Food

8.1

Boarding

8.5

Crew

8.7

Reviews

1 / 20

10.0
Excellent

David,Dec 2024

JFK - MCO

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.

Entertainment

8.2

Comfort

8.3

Overall

8.4

Food

8.1

Boarding

8.5

Crew

8.7

Reviews

1 / 20

10.0
Excellent

David,Dec 2024

JFK - MCO

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.

8.4
Very Good