When did momondo last update prices for flights from Singapore to Washington, D.C. Dulles Intl Airport?

Prices for flights from Singapore to Washington, D.C. Dulles Intl Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Singapore to Washington, D.C. Dulles Intl Airport?

As of May 2026, there is 1 operator available to choose from for flights from Singapore to Washington, D.C. Dulles Intl Airport.

How old do you have to be to fly from Singapore to Washington, D.C. Dulles Intl Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Singapore to Washington, D.C. Dulles Intl Airport.

What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

The travel and health documents required for your trip to Washington, D.C. Dulles Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C. Dulles Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$456 Cheap Flights from Singapore to Washington, D.C. Dulles Intl Airport in 2026

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Find the cheapest flights from Singapore to Washington, D.C.

Round-trip

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Recent round-trip flight deals from Singapore to Washington, D.C.

Enter your travel dates to find the best prices.

1:45 pm - 4:33 pm

SIN

IAD

38h 48m

2 stops

7:00 am - 1:05 pm

IAD

SIN

42h 05m

2 stops

$1,147Multiple Airlines

Mon, Oct 19 - Mon, Oct 26

11:25 pm - 7:30 pm

SIN

IAD

32h 05m

1 stop

11:00 pm - 4:25 pm

IAD

SIN

29h 25m

1 stop

$1,148Air China

Mon, Jun 22 - Fri, Jun 26

5:55 pm - 7:30 pm

SIN

IAD

37h 35m

1 stop

11:00 pm - 9:55 pm

IAD

SIN

34h 55m

1 stop

$1,149Air China

Thu, Jul 2 - Tue, Sep 15

5:55 pm - 7:30 pm

SIN

IAD

37h 35m

1 stop

11:00 pm - 9:55 pm

IAD

SIN

34h 55m

1 stop

$1,174Air China

Mon, Jun 8 - Tue, Jun 30

7:00 am - 3:24 pm

SIN

IAD

44h 24m

2 stops

9:55 am - 6:40 am

IAD

SIN

32h 45m

2 stops

$1,203Air Canada

Tue, Jul 7 - Wed, Jul 22

11:05 am - 10:05 am

SIN

IAD

35h 00m

1 stop

8:20 am - 11:20 pm

IAD

SIN

27h 00m

2 stops

$1,220ANA

Fri, Sep 25 - Sun, Sep 27

6:10 pm - 7:30 pm

SIN

IAD

37h 20m

2 stops

11:00 pm - 4:25 pm

IAD

SIN

29h 25m

1 stop

$1,227Air China

Mon, Jun 22 - Fri, Jun 26

5:55 pm - 7:30 pm

SIN

IAD

37h 35m

1 stop

8:05 pm - 9:15 pm

IAD

SIN

37h 10m

1 stop

$1,231Multiple Airlines

Mon, Oct 19 - Mon, Oct 26

3:20 pm - 5:40 am

SIN

IAD

26h 20m

2 stops

5:57 pm - 11:55 am

IAD

SIN

29h 58m

2 stops

$1,235Multiple Airlines

Tue, Sep 1 - Wed, Sep 30

3:20 pm - 5:40 am

SIN

IAD

26h 20m

2 stops

5:57 pm - 11:55 am

IAD

SIN

29h 58m

2 stops

$1,236Multiple Airlines

Tue, Sep 1 - Wed, Sep 30

ANA flights from Singapore to Washington, D.C. Dulles Intl Airport

Our best ANA deals on Singapore to Washington, D.C. Dulles Intl Airport flight tickets

ANA

Sep 25

SIN11:05 amSingapore Changi

35h 00m

1 stop

IAD10:05 amWashington, D.C. Dulles Intl

Sep 27

IAD8:20 amWashington, D.C. Dulles Intl

27h 00m

2 stops

SIN11:20 pmSingapore Changi

$1,220

ANA

Jul 9

SIN6:15 amSingapore Changi

27h 07m

2 stops

IAD9:22 pmWashington, D.C. Dulles Intl

Jul 16

IAD12:15 pmWashington, D.C. Dulles Intl

30h 25m

1 stop

SIN6:40 amSingapore Changi

$1,344

American Airlines flights from Singapore to Washington, D.C. Dulles Intl Airport

Our best American Airlines deals on Singapore to Washington, D.C. Dulles Intl Airport flight tickets

American Airlines

Jun 3

SIN8:05 amSingapore Changi

26h 42m

2 stops

IAD10:47 pmWashington, D.C. Dulles Intl

Jun 21

IAD6:26 amWashington, D.C. Dulles Intl

35h 44m

2 stops

SIN6:10 amSingapore Changi

$1,228

American Airlines

Sep 24

SIN1:55 amSingapore Changi

39h 34m

2 stops

IAD5:29 amWashington, D.C. Dulles Intl

Sep 27

IAD6:52 amWashington, D.C. Dulles Intl

35h 18m

2 stops

SIN6:10 amSingapore Changi

$1,277

American Airlines

Jun 15

SIN8:05 amSingapore Changi

26h 41m

2 stops

IAD10:46 pmWashington, D.C. Dulles Intl

Jun 17

IAD6:19 amWashington, D.C. Dulles Intl

30h 01m

2 stops

SIN12:20 amSingapore Changi

$1,290

momondo Fare Finder

Use the filters below to find and compare flights from Singapore to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Mon 10/19

1:45 pm-4:33 pm

2 stops38h 48m

Washington, D.C. Dulles Intl

Mon 10/26

7:00 am-1:05 pm

2 stops42h 05m

$1,147

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Mon 6/22

11:25 pm-7:30 pm

1 stop32h 05m

Washington, D.C. Dulles Intl

Fri 6/26

11:00 pm-4:25 pm

1 stop29h 25m

$1,148

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 7/2

5:55 pm-7:30 pm

1 stop37h 35m

Washington, D.C. Dulles Intl

Tue 9/15

11:00 pm-9:55 pm

1 stop34h 55m

$1,149

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Mon 6/8

5:55 pm-7:30 pm

1 stop37h 35m

Washington, D.C. Dulles Intl

Tue 6/30

11:00 pm-9:55 pm

1 stop34h 55m

$1,174

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Tue 7/7

7:00 am-3:24 pm

2 stops44h 24m

Washington, D.C. Dulles Intl

Wed 7/22

9:55 am-6:40 am

2 stops32h 45m

$1,203

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Fri 9/25

11:05 am-10:05 am

1 stop35h 00m

Washington, D.C. Dulles Intl

Sun 9/27

8:20 am-11:20 pm

2 stops27h 00m

$1,220

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Mon 6/22

6:10 pm-7:30 pm

2 stops37h 20m

Washington, D.C. Dulles Intl

Fri 6/26

11:00 pm-4:25 pm

1 stop29h 25m

$1,227

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Mon 10/19

5:55 pm-7:30 pm

1 stop37h 35m

Washington, D.C. Dulles Intl

Mon 10/26

8:05 pm-9:15 pm

1 stop37h 10m

$1,231

Quickest round-trip

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Tue 9/1

3:20 pm-5:40 am

2 stops26h 20m

Washington, D.C. Dulles Intl

Wed 9/30

5:57 pm-11:55 am

2 stops29h 58m

$1,235

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Tue 9/1

3:20 pm-5:40 am

2 stops26h 20m

Washington, D.C. Dulles Intl

Wed 9/30

5:57 pm-11:55 am

2 stops29h 58m

$1,236

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Singapore to Washington, D.C. Dulles Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?

In general, February is the cheapest month to fly from Singapore to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $760. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of February, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $777.

Cheap Singapore to Washington, D.C. Dulles Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Singapore to Washington, D.C. Dulles Intl Airport

Fastest flight time	22h 55m
Direct flights	None

The fastest flight from Singapore to Washington, D.C. Dulles Intl Airport takes 22h 55m

There are no direct flights from Singapore to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from Singapore to Washington, D.C. Dulles Intl Airport.

Search flight deals

Frequently asked questions about flying from Singapore to Washington, D.C. Dulles Intl Airport

When did momondo last update prices for flights from Singapore to Washington, D.C. Dulles Intl Airport?
Prices for flights from Singapore to Washington, D.C. Dulles Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Singapore to Washington, D.C. Dulles Intl Airport?
As of May 2026, there is 1 operator available to choose from for flights from Singapore to Washington, D.C. Dulles Intl Airport.
How old do you have to be to fly from Singapore to Washington, D.C. Dulles Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Singapore to Washington, D.C. Dulles Intl Airport.
What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?
The travel and health documents required for your trip to Washington, D.C. Dulles Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C. Dulles Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Singapore to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Singapore to Washington, D.C. Dulles Intl Airport with momondo

Airline	Rating	Free Cancellation	Price
Air China	PriceFrom $1,079	Free Cancellation	Rating 7.3 152 reviews		Search Air China flights

Alexandria

National Harbor

Gettysburg

Arlington

Winchester

Waldorf

Woodbridge

Laurel

Gaithersburg

Colonial Beach

Fredericksburg

Silver Spring

Towson

Rockville

Sterling

Manassas

Linthicum Heights

Tysons

Springfield

Bethesda

Why use momondo?

Why should I use momondo to find a flight deal from Singapore to Washington, D.C.?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Singapore to Washington, D.C. for you.

Can I find flights from Singapore to Washington, D.C. with flexible booking policies on momondo?

All flight searches from Singapore to Washington, D.C. on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Singapore to Washington, D.C.?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington, D.C. from Singapore.

I’m not ready to book a flight from Singapore to Washington, D.C. right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Washington, D.C. from Singapore. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Cheap flights from Singapore to Washington, D.C. from $456

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Singapore to Washington, D.C. departing on 6/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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ANA flights from Singapore to Washington, D.C. Dulles Intl Airport

Our best ANA deals on Singapore to Washington, D.C. Dulles Intl Airport flight tickets

American Airlines flights from Singapore to Washington, D.C. Dulles Intl Airport

Our best American Airlines deals on Singapore to Washington, D.C. Dulles Intl Airport flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Singapore to Washington, D.C. Dulles Intl Airport that are best for you.

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Singapore to Washington, D.C. Dulles Intl Airport

What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?

Cheap Singapore to Washington, D.C. Dulles Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Singapore to Washington, D.C. Dulles Intl Airport

Fastest flight time

Direct flights

Frequently asked questions about flying from Singapore to Washington, D.C. Dulles Intl Airport

Best airlines flying from Singapore to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Singapore to Washington, D.C. Dulles Intl Airport with momondo

Traveling to a place near Washington, D.C.?

Why use momondo?

An easier way to manage your Washington, D.C. Dulles Intl Airport trip

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