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$435+ Cheap flights from Dulles Intl (IAD) to Singapore

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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SIN
feb. 25 — mar. 41
mar. 2/25
mar. 3/4
1 adult, Economy
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Cheap flight deals from Dulles Intl to Singapore

Keep the following information in mind while searching for Dulles Intl to Singapore flight deals. Data was last updated febrero 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$900
(FlightHub)

One-way from

$435
(Trip.com)

Popular in

December

Cheapest in

November

Average price

$1,171
Provider with most accurate pricing for Washington, D.C. (WAS)-Singapore Changi flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Singapore Changi flights.
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From Washington, D.C. Dulles Intl to Singapore
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One-way flight from Washington, D.C. Dulles Intl to Singapore
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Highest demand for flights based on searches. 1% potential increase in price ($24 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($49 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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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 febrero 20, 2025.

This oojo deal was found by Cheapflights users on 2/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 3/207:10 pmIAD - SIN
1 stop32h 20mSAUDIA
mié. 4/23:45 amSIN - IAD
1 stop24h 00mSAUDIA
Deal found 2/20$891
This FlightHub deal was found by Cheapflights users on 2/20. 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.
jue. 3/69:30 pmIAD - SIN
1 stop23h 05mEtihad Airways
dom. 3/167:25 pmSIN - IAD
1 stop34h 00mEtihad Airways
Deal found 2/20$900
This Turkish Airlines deal was found by Cheapflights users on 2/20. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/149:40 pmIAD - SIN
1 stop22h 15mTurkish Airlines
jue. 4/249:10 amSIN - IAD
1 stop37h 35mTurkish Airlines
Deal found 2/20$905
This Etihad Airways deal was found by Cheapflights users on 2/19. 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.
mar. 4/2910:05 pmIAD - SIN
2 stops25h 25mMultiple Airlines
mié. 5/149:10 pmSIN - IAD
1 stop31h 25mMultiple Airlines
Deal found 2/19$934
This oojo deal was found by Cheapflights users on 2/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/38:05 pmIAD - SIN
1 stop23h 40mQatar Airways
lun. 3/175:25 pmSIN - IAD
2 stops35h 30mQatar Airways
Deal found 2/20$994
This Booking.com deal was found by Cheapflights users on 2/19. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/112:30 pmIAD - SIN
2 stops40h 50mIndiGo
mar. 4/87:45 pmSIN - IAD
2 stops36h 00mIndiGo
Deal found 2/19$1,013
This JetBlue deal was found by Cheapflights users on 2/20. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 2/238:05 pmIAD - SIN
1 stop29h 50mJetBlue
mar. 3/1110:15 amSIN - IAD
1 stop35h 05mJetBlue
Deal found 2/20$1,067
This Air Canada deal was found by Cheapflights users on 2/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/812:40 pmIAD - SIN
2 stops30h 25mAir Canada
mar. 4/229:10 amSIN - IAD
2 stops34h 45mAir Canada
Deal found 2/20$1,087
This Gotogate deal was found by Cheapflights users on 2/20. 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.
lun. 2/2411:50 amIAD - SIN
1 stop28h 10mKorean Air
lun. 3/101:30 amSIN - IAD
1 stop21h 20mKorean Air
Deal found 2/20$1,163
This oojo deal was found by Cheapflights users on 2/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/129:40 pmIAD - SIN
2 stops29h 10mEthiopian Air
dom. 3/162:00 amSIN - IAD
2 stops29h 50mEthiopian Air
Deal found 2/20$1,168
This Cheapflightsfares deal was found by Cheapflights users on 2/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/18:35 amIAD - SIN
2 stops34h 05mANA
mié. 9/1010:10 pmSIN - IAD
1 stop23h 55mANA
Deal found 2/20$1,181
This United deal was found by Cheapflights users on 2/20. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/312:45 pmIAD - SIN
2 stops30h 15mUnited Airlines
mié. 3/1210:20 pmSIN - IAD
2 stops25h 02mUnited Airlines
Deal found 2/20$1,197

Find flights from Dulles Intl to Singapore within your budget

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 2,558,603 searches. Data last updated febrero 20, 2025.

Fly from

Dulles Intl

Fly to

Singapore

Route

Depart

Return

Price

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

jue. 3/20

7:10 pm-3:30 pm

1 stop32h 20m

Singapore Changi

mié. 4/2

3:45 am-3:45 pm

1 stop24h 00m

$891

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

jue. 3/6

9:30 pm-9:35 am

1 stop23h 05m

Singapore Changi

dom. 3/16

7:25 pm-5:25 pm

1 stop34h 00m

$900

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

lun. 4/14

9:40 pm-7:55 am

1 stop22h 15m

Singapore Changi

jue. 4/24

9:10 am-10:45 am

1 stop37h 35m

$905

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

mar. 4/29

10:05 pm-11:30 am

2 stops25h 25m

Singapore Changi

mié. 5/14

9:10 pm-4:35 pm

1 stop31h 25m

$934

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

lun. 3/3

8:05 pm-8:45 am

1 stop23h 40m

Singapore Changi

lun. 3/17

5:25 pm-4:55 pm

2 stops35h 30m

$994

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

mar. 4/1

12:30 pm-5:20 pm

2 stops40h 50m

Singapore Changi

mar. 4/8

7:45 pm-7:45 pm

2 stops36h 00m

$1,013

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

mar. 4/1

1:53 pm-7:05 am

2 stops29h 12m

Singapore Changi

mar. 4/8

9:10 am-7:55 am

2 stops34h 45m

$1,067

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

vie. 3/7

10:35 am-9:15 pm

1 stop21h 40m

Singapore Changi

vie. 3/14

3:15 am-4:55 pm

1 stop25h 40m

$1,139

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

mié. 3/12

9:40 pm-2:50 pm

2 stops29h 10m

Singapore Changi

dom. 3/16

2:00 am-7:50 pm

2 stops29h 50m

$1,168

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

vie. 4/4

11:00 am-9:00 pm

1 stop22h 00m

Singapore Changi

vie. 4/11

3:10 am-3:40 pm

1 stop24h 30m

$1,186

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 27 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 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.

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.

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Singapore?

Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Singapore (average of $1,011). Flying from Washington, D.C. Dulles Intl Airport to Singapore in December is currently the most expensive (average of $1,684). 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.

What is the cheapest time of day to fly from IAD to SG?

Find hourly flight availability from Dulles Intl to Singapore. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated febrero 20, 2025.

When flying from Washington, D.C. Dulles Intl Airport to Singapore, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 5.9 - 10.6 inches per month. December is typically the wettest month, when rainfall can reach 10.6 in. July is typically the driest time to visit Singapore when rainfall is around 5.9 in.

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 82.4 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 78.8 F).

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 febrero 20, 2025.
Peruse reviews from past customers who have flown with Korean Air, ANA and Singapore Airlines from Washington, D.C. to Singapore to help guide your decision. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,037 reviews

Entertainment

8.2

Overall

8.4

Food

8.1

Crew

8.7

Boarding

8.5

Comfort

8.3

Reviews

1 / 20

6.0
Good

Anonymous,Feb 2025

ATL - SBN

Regional jets are small and uncomfortable. When flying in or out of South Bend airport, that's usually what I'm on. It's the price one pays for the great convenience of using a small airport (cheap parking, no lines). The CRJ900 has engines attached to the fuselage near the rear of the plane. So, very loud in the back of the plane, and I happened to have the far back corner that also had no window. Oh well, a short flight and pleasant neighbor and cheerful attendant.

Korean Air
8.4
Very good
1,037 reviews
Korean Air
8.4
Very good
1,037 reviews

Entertainment

8.2

Overall

8.4

Food

8.1

Crew

8.7

Boarding

8.5

Comfort

8.3

Reviews

1 / 20

6.0
Good

Anonymous,Feb 2025

ATL - SBN

Regional jets are small and uncomfortable. When flying in or out of South Bend airport, that's usually what I'm on. It's the price one pays for the great convenience of using a small airport (cheap parking, no lines). The CRJ900 has engines attached to the fuselage near the rear of the plane. So, very loud in the back of the plane, and I happened to have the far back corner that also had no window. Oh well, a short flight and pleasant neighbor and cheerful attendant.

ANA
8.4
Very good
842 reviews
Korean Air
8.4
Very good
1,037 reviews

Entertainment

8.2

Overall

8.4

Food

8.1

Crew

8.7

Boarding

8.5

Comfort

8.3

Reviews

1 / 20

6.0
Good

Anonymous,Feb 2025

ATL - SBN

Regional jets are small and uncomfortable. When flying in or out of South Bend airport, that's usually what I'm on. It's the price one pays for the great convenience of using a small airport (cheap parking, no lines). The CRJ900 has engines attached to the fuselage near the rear of the plane. So, very loud in the back of the plane, and I happened to have the far back corner that also had no window. Oh well, a short flight and pleasant neighbor and cheerful attendant.

Singapore Airlines
8.1
Very good
1,299 reviews
Korean Air
8.4
Very good
1,037 reviews

Entertainment

8.2

Overall

8.4

Food

8.1

Crew

8.7

Boarding

8.5

Comfort

8.3

Reviews

1 / 20

6.0
Good

Anonymous,Feb 2025

ATL - SBN

Regional jets are small and uncomfortable. When flying in or out of South Bend airport, that's usually what I'm on. It's the price one pays for the great convenience of using a small airport (cheap parking, no lines). The CRJ900 has engines attached to the fuselage near the rear of the plane. So, very loud in the back of the plane, and I happened to have the far back corner that also had no window. Oh well, a short flight and pleasant neighbor and cheerful attendant.

Delta
8.0
Very good
8,220 reviews
Korean Air
8.4
Very good
1,037 reviews

Entertainment

8.2

Overall

8.4

Food

8.1

Crew

8.7

Boarding

8.5

Comfort

8.3

Reviews

1 / 20

6.0
Good

Anonymous,Feb 2025

ATL - SBN

Regional jets are small and uncomfortable. When flying in or out of South Bend airport, that's usually what I'm on. It's the price one pays for the great convenience of using a small airport (cheap parking, no lines). The CRJ900 has engines attached to the fuselage near the rear of the plane. So, very loud in the back of the plane, and I happened to have the far back corner that also had no window. Oh well, a short flight and pleasant neighbor and cheerful attendant.

Alaska Airlines
8.0
Very good
9,692 reviews
Korean Air
8.4
Very good
1,037 reviews

Entertainment

8.2

Overall

8.4

Food

8.1

Crew

8.7

Boarding

8.5

Comfort

8.3

Reviews

1 / 20

6.0
Good

Anonymous,Feb 2025

ATL - SBN

Regional jets are small and uncomfortable. When flying in or out of South Bend airport, that's usually what I'm on. It's the price one pays for the great convenience of using a small airport (cheap parking, no lines). The CRJ900 has engines attached to the fuselage near the rear of the plane. So, very loud in the back of the plane, and I happened to have the far back corner that also had no window. Oh well, a short flight and pleasant neighbor and cheerful attendant.

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.

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Singapore one-way?

    For one-way options, check prices for IndiGo. According to our data, you can fly for as low as $464. Users have also found prices from $467 and $507 on Qatar Airways and SAUDIA, respectively.

  • Can I find deals for flights from Dulles Intl to Singapore that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Singapore flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Singapore?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Singapore.

  • Can I find deals for business class flights from Dulles Intl to Singapore?

    Yes. Cheapflights offers flight deals from Dulles Intl to Singapore by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Singapore?

    Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Singapore (average of $1,011). Flying from Washington, D.C. Dulles Intl Airport to Singapore in December is currently the most expensive (average of $1,684). 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.

See more FAQs

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Alternative routes for Dulles Intl to Singapore

See prices for flight routes from nearby airports that may be better suited for you.
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Baltimore to Ho Chi Minh City flights
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Top 8 airlines flying from Dulles Intl to Singapore

Discover the top 8 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 2,558,603 searches. Data last updated febrero 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$832Average$1,012FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$935Average$1,401FlexibilityNo cancel feeOn-time69%
DeltaCheapest$1,009Average$1,470FlexibilityNo cancel feeOn-timeN/A
Qatar AirwaysCheapest$1,014Average$1,290FlexibilityNo cancel feeOn-time68%
JetBlueCheapest$1,028Average$1,192FlexibilityNo cancel feeOn-time62%
Korean AirCheapest$1,037Average$1,276FlexibilityNo cancel feeOn-time81%
American AirlinesCheapest$1,124Average$1,349FlexibilityNo cancel feeOn-time71%
Singapore AirlinesCheapest$1,226Average$1,640FlexibilityNo cancel feeOn-time81%
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