What are the cheapest airlines to fly from District of Columbia to Singapore one-way?

One-way options have recently been found by users for as low as $419 on Air India. Other airlines that offer cheap prices include IndiGo from $424 and Etihad Airways from $425 one-way.

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.

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).

How far in advance should I book a flight from District of Columbia to Singapore?

Find a great deal and save up to 34% by booking at least 51 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from District of Columbia to Singapore within the next two weeks, with the cheapest ticket starting at $957.

What is the cheapest month to fly from District of Columbia to Singapore?

October is one of the best times of the year to fly to Singapore from District of Columbia. Prices for October average $1,198 per person but you can even find prices for as low as $626. The most expensive prices can be found in the month of December. Opting for a October flight can save you 49% on your journey compared to booking in December

What airport do you fly into for flights to Singapore from District of Columbia?

For a flight from District of Columbia to Singapore, you will be flying into Changi. Singapore Changi (SIN) is just 10.5 mi from the center of the city.

How can I find direct flights from District of Columbia to Singapore?

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

Can I find deals for business class flights from District of Columbia to Singapore?

Yes. Cheapflights offers flight deals from District of Columbia 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.

$419+ Flights from District of Columbia to Singapore

Q: How much does it cost to fly round-trip from District of Columbia to Singapore?

Airfare is below average for this route at the moment. District of Columbia to Singapore flights typically cost between $1,207 and $1,474 in August. The cheapest round-trip price found within the last 3 days was $838 on Multiple Airlines (Aug 27-Sep 2).

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Cheap flight deals from District of Columbia to Singapore

Round-trip from	$795 (oojo)
One-way from	$419 (oojo)
Popular in	December
Cheapest in	October
Average price	$1,408

From District of Columbia to Singapore Changi

Search Deals

One-way flight from District of Columbia to Singapore Changi

Search Deals

Highest demand for flights based on searches. 7% potential increase in price ($98 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($55 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in July 2025

Search Deals

Find flight deals from District of Columbia to Singapore

Cheapest flights from District of Columbia to Singapore
Explore the most affordable flight options available from District of Columbia to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

Sun 11/911:00 amIAD - SIN

1 stop31h 00mAir India

Sun 11/2311:00 pmSIN - IAD

1 stop44h 50mAir India

Deal found 7/31

$806

Thu 9/1110:05 pmIAD - SIN

1 stop23h 35mEtihad Airways

Tue 9/309:10 pmSIN - IAD

1 stop31h 00mEtihad Airways

Deal found 7/30

$834

Wed 9/1010:05 pmIAD - SIN

1 stop23h 35mMultiple Airlines

Thu 9/257:45 pmSIN - IAD

2 stops36h 00mMultiple Airlines

Deal found 7/30

$864

Sun 9/219:40 pmIAD - SIN

2 stops32h 05mIndiGo

Sun 9/287:45 pmSIN - IAD

2 stops36h 00mIndiGo

Deal found 7/29

$883

Wed 10/299:55 amIAD - SIN

2 stops33h 05mAir Canada

Tue 11/118:50 amSIN - IAD

2 stops25h 09mAir Canada

Deal found 7/30

$903

Tue 11/1111:05 amDCA - SIN

2 stops30h 55mAir Canada

Tue 11/188:50 amSIN - DCA

2 stops26h 06mAir Canada

Deal found 7/31

$935

Thu 9/46:59 pmDCA - SIN

1 stop36h 11mSingapore Airlines

Tue 9/168:45 pmSIN - DCA

1 stop36h 14mSingapore Airlines

Deal found 7/30

$1,037

Wed 10/17:00 amDCA - SIN

1 stop23h 25mUnited Airlines

Thu 10/98:40 pmSIN - DCA

2 stops24h 18mUnited Airlines

Deal found 7/30

$1,119

Wed 10/18:20 amDCA - SIN

2 stops33h 10mCathay Pacific

Sun 10/191:50 amSIN - DCA

2 stops32h 25mCathay Pacific

Deal found 7/31

$1,124

Mon 9/156:59 pmDCA - SIN

1 stop36h 11mMultiple Airlines

Mon 9/228:45 pmSIN - DCA

1 stop36h 14mMultiple Airlines

Deal found 7/31

$1,148

Tue 9/28:00 amDCA - SIN

2 stops28h 20mAlaska Airlines

Wed 9/108:05 amSIN - DCA

2 stops25h 39mAlaska Airlines

Deal found 7/29

$1,184

Thu 9/48:20 amDCA - SIN

2 stops33h 50mJapan Airlines

Mon 9/151:55 amSIN - DCA

2 stops24h 29mJapan Airlines

Deal found 7/30

$1,224

Best flights from District of Columbia to Singapore
Discover carefully curated flight deals from District of Columbia to Singapore that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 31, 2025.

Mon 8/2512:50 pmIAD - SIN

1 stop44h 55mAir India

Mon 9/111:00 pmSIN - IAD

1 stop44h 40mAir India

Deal found 7/29

$795

Thu 9/1110:05 pmIAD - SIN

1 stop23h 35mEtihad Airways

Tue 9/309:10 pmSIN - IAD

1 stop31h 00mEtihad Airways

Deal found 7/30

$834

Wed 9/1010:05 pmIAD - SIN

1 stop23h 35mMultiple Airlines

Thu 9/257:45 pmSIN - IAD

2 stops36h 00mMultiple Airlines

Deal found 7/30

$864

Sun 9/71:30 pmIAD - SIN

2 stops39h 50mIndiGo

Tue 9/237:45 pmSIN - IAD

2 stops36h 00mIndiGo

Deal found 7/28

$883

Wed 10/299:55 amIAD - SIN

2 stops33h 05mAir Canada

Tue 11/118:50 amSIN - IAD

2 stops25h 09mAir Canada

Deal found 7/30

$903

Thu 9/46:59 pmDCA - SIN

1 stop36h 11mSingapore Airlines

Tue 9/168:45 pmSIN - DCA

1 stop36h 14mSingapore Airlines

Deal found 7/30

$1,037

Wed 10/17:00 amDCA - SIN

1 stop23h 25mUnited Airlines

Thu 10/98:40 pmSIN - DCA

2 stops24h 18mUnited Airlines

Deal found 7/30

$1,119

Wed 10/18:20 amDCA - SIN

2 stops33h 10mCathay Pacific

Sun 10/191:50 amSIN - DCA

2 stops32h 25mCathay Pacific

Deal found 7/31

$1,124

Tue 9/28:00 amDCA - SIN

2 stops28h 20mAlaska Airlines

Wed 9/108:05 amSIN - DCA

2 stops25h 39mAlaska Airlines

Deal found 7/29

$1,184

Thu 9/48:20 amDCA - SIN

2 stops33h 50mJapan Airlines

Mon 9/151:55 amSIN - DCA

2 stops24h 29mJapan Airlines

Deal found 7/30

$1,224

Wed 10/18:30 amDCA - SIN

2 stops28h 15mANA

Wed 10/1510:10 pmSIN - DCA

2 stops28h 06mANA

Deal found 7/31

$1,228

Tue 11/1111:05 amDCA - SIN

2 stops30h 55mAir Canada

Tue 11/188:50 amSIN - DCA

2 stops26h 06mAir Canada

Deal found 7/31

$935

Last-minute flights from District of Columbia to Singapore
Discover last-minute flight deals from District of Columbia to Singapore. Data last updated July 31, 2025 and is based on user searches.

Tue 8/510:08 pmIAD - SIN

1 stop32h 17mUnited Airlines

Tue 8/126:15 amSIN - IAD

2 stops30h 30mUnited Airlines

Deal found 7/29

$1,238

Tue 8/57:59 pmIAD - SIN

2 stops40h 36mChina Airlines

Mon 8/112:00 amSIN - IAD

2 stops40h 50mChina Airlines

Deal found 7/29

$1,567

Tue 8/51:30 pmIAD - SIN

2 stops39h 50mMultiple Airlines

Tue 8/126:00 pmSIN - IAD

3 stops31h 42mMultiple Airlines

Deal found 7/29

$1,572

Tue 8/56:58 pmDCA - SIN

2 stops29h 37mChina Airlines

Mon 8/112:00 amSIN - DCA

2 stops51h 58mChina Airlines

Deal found 7/29

$1,674

Thu 8/77:02 amIAD - SIN

2 stops28h 38mDelta

Fri 8/157:30 amSIN - IAD

2 stops34h 25mDelta

Deal found 7/30

$1,439

Fri 8/83:39 pmIAD - SIN

2 stops27h 01mANA

Wed 8/136:15 amSIN - IAD

2 stops43h 34mANA

Deal found 7/31

$1,704

Sat 8/95:10 pmDCA - SIN

2 stops42h 30mDelta

Fri 8/157:30 amSIN - DCA

2 stops43h 55mDelta

Deal found 7/31

$1,509

Sun 8/1011:00 amDCA - SIN

2 stops25h 45mAir Canada

Sat 8/306:15 amSIN - DCA

2 stops27h 33mAir Canada

Deal found 7/31

$1,048

Sun 8/1010:20 amIAD - SIN

2 stops26h 25mAir Canada

Sat 8/306:15 amSIN - IAD

2 stops26h 46mAir Canada

Deal found 7/31

$1,048

Sun 8/107:20 pmDCA - SIN

2 stops29h 05mCathay Pacific

Fri 8/291:50 amSIN - DCA

2 stops35h 26mCathay Pacific

Deal found 7/31

$1,309

Sun 8/1012:00 pmDCA - SIN

2 stops30h 15mUnited Airlines

Sat 8/308:45 amSIN - DCA

1 stop24h 52mUnited Airlines

Deal found 7/31

$1,525

Sun 8/1011:00 amIAD - SIN

1 stop22h 00mQatar Airways

Fri 8/293:10 amSIN - IAD

1 stop24h 30mQatar Airways

Deal found 7/31

$1,533

One-way flights from District of Columbia to Singapore
Search for one-way flight options from District of Columbia to Singapore. Find affordable one-way fares based on user searches. Data last updated July 31, 2025.

Mon 8/1110:05 pmIAD - SIN

1 stop23h 35mEtihad Airways

Deal found 7/31

$419

Sat 9/279:40 pmIAD - SIN

2 stops32h 05mIndiGo

Deal found 7/31

$424

Mon 8/2512:50 pmIAD - SIN

3 stops31h 40mMultiple Airlines

Deal found 7/30

$476

Thu 10/21:30 pmIAD - SIN

1 stop40h 25mTurkish Airlines

Deal found 7/29

$490

Fri 9/58:59 amDCA - SIN

1 stop32h 16mSingapore Airlines

Deal found 7/30

$525

Tue 9/166:59 amDCA - SIN

3 stops29h 51mMultiple Airlines

Deal found 7/31

$544

Sun 10/1211:00 amIAD - SIN

1 stop22h 45mAir India

Deal found 7/30

$545

Mon 9/297:00 amIAD - SIN

2 stops29h 20mAlaska Airlines

Deal found 7/30

$560

Tue 9/165:06 pmDCA - SIN

2 stops43h 14mAlaska Airlines

Deal found 7/31

$579

Sun 9/149:40 amDCA - SIN

2 stops33h 25mAir Canada

Deal found 7/31

$612

Thu 9/258:20 amDCA - SIN

2 stops28h 30mCathay Pacific

Deal found 7/31

$625

Sat 8/305:06 pmDCA - SIN

2 stops31h 29mChina Airlines

Deal found 7/30

$675

Cheapflights Fare Finder

Use the filters below to find and compare flights from District of Columbia to Singapore that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Mon 8/25

12:50 pm-9:45 pm

1 stop44h 55m

Singapore Changi

Mon 9/1

11:00 pm-7:40 am

1 stop44h 40m

$795

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Thu 9/11

10:05 pm-9:40 am

1 stop23h 35m

Singapore Changi

Tue 9/30

9:10 pm-4:10 pm

1 stop31h 00m

$834

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Wed 9/10

10:05 pm-9:40 am

1 stop23h 35m

Singapore Changi

Thu 9/25

7:45 pm-7:45 pm

2 stops36h 00m

$864

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sun 9/7

1:30 pm-5:20 pm

2 stops39h 50m

Singapore Changi

Tue 9/23

7:45 pm-7:45 pm

2 stops36h 00m

$883

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Wed 10/29

9:55 am-7:00 am

2 stops33h 05m

Singapore Changi

Tue 11/11

8:50 am-8:59 pm

2 stops25h 09m

$903

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Tue 11/11

11:05 am-7:00 am

2 stops30h 55m

Singapore Changi

Tue 11/18

8:50 am-9:56 pm

2 stops26h 06m

$935

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Thu 9/4

6:59 pm-7:10 pm

1 stop36h 11m

Singapore Changi

Tue 9/16

8:45 pm-8:59 pm

1 stop36h 14m

$1,037

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Wed 10/1

7:00 am-6:25 pm

1 stop23h 25m

Singapore Changi

Thu 10/9

8:40 pm-8:58 am

2 stops24h 18m

$1,119

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Wed 10/1

8:20 am-5:30 am

2 stops33h 10m

Singapore Changi

Sun 10/19

1:50 am-10:15 pm

2 stops32h 25m

$1,124

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Mon 9/15

6:59 pm-7:10 pm

1 stop36h 11m

Singapore Changi

Mon 9/22

8:45 pm-8:59 pm

1 stop36h 14m

$1,148

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 28 results

Best time to book a flight from District of Columbia to Singapore

Have a flexible travel schedule? Discover the best time to fly to Singapore from District of Columbia 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.

Cheapflights Insights

Everything you need to know about your flight from District of Columbia to Singapore

What is the cheapest month to book a flight from District of Columbia to Singapore?

Currently, October is the cheapest month in which you can book a flight from District of Columbia to Singapore (average of $995). Flying from District of Columbia to Singapore in December is currently the most expensive (average of $1,679). 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 DC to SIN?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from District of Columbia to Singapore as you normally would.

How much does it cost to fly round-trip from District of Columbia to Singapore?

Reviews of airlines servicing Singapore

See what other customers who have flown with ANA, Japan Airlines, and China Airlines from District of Columbia to Singapore have to say. 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.

ANA

8.4

Very good

922 reviews

Reviews

1 / 20

2.0

Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA

ANA

8.4

Very good

922 reviews

ANA

8.4

Very good

922 reviews

Reviews

1 / 20

2.0

Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA

Japan Airlines

8.3

Very good

1,536 reviews

ANA

8.4

Very good

922 reviews

Reviews

1 / 20

2.0

Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA

China Airlines

8.3

Very good

754 reviews

ANA

8.4

Very good

922 reviews

Reviews

1 / 20

2.0

Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA

Singapore Airlines

8.1

Very good

1,338 reviews

ANA

8.4

Very good

922 reviews

Reviews

1 / 20

2.0

Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA

Alaska Airlines

8.0

Very good

10,000 reviews

ANA

8.4

Very good

922 reviews

Reviews

1 / 20

2.0

Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA

Related info for your journey

What airport do you fly into for flights to Singapore from District of Columbia?
For a flight from District of Columbia to Singapore, you will be flying into Changi. Singapore Changi (SIN) is just 10.5 mi from the center of the city.
What are the cheapest airlines to fly from District of Columbia to Singapore one-way?
One-way options have recently been found by users for as low as $419 on Air India. Other airlines that offer cheap prices include IndiGo from $424 and Etihad Airways from $425 one-way.
Can I find deals for flights from District of Columbia to Singapore that include hotel bookings?
Yes. In addition to deals on District of Columbia to Singapore flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from District of Columbia to Singapore?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from District of Columbia to Singapore.
Can I find deals for business class flights from District of Columbia to Singapore?
Yes. Cheapflights offers flight deals from District of Columbia 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 District of Columbia to Singapore?
Currently, October is the cheapest month in which you can book a flight from District of Columbia to Singapore (average of $995). Flying from District of Columbia to Singapore in December is currently the most expensive (average of $1,679). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 10 airlines flying from District of Columbia to Singapore

Airline	Cheapest	Average	Flexibility	On-time
Air India	Cheapest$807	Average$996	FlexibilityNo cancel fee	On-timeN/A
Turkish Airlines	Cheapest$826	Average$960	FlexibilityNo cancel fee	On-time77%
Etihad Airways	Cheapest$828	Average$964	FlexibilityNo cancel fee	On-time75%
United Airlines	Cheapest$904	Average$1,359	FlexibilityNo cancel fee	On-time69%
Air Canada	Cheapest$938	Average$1,526	FlexibilityNo cancel fee	On-time67%
Korean Air	Cheapest$944	Average$1,199	FlexibilityNo cancel fee	On-time81%
Qatar Airways	Cheapest$996	Average$1,265	FlexibilityNo cancel fee	On-time68%
JetBlue	Cheapest$1,024	Average$1,139	FlexibilityNo cancel fee	On-time62%
Alaska Airlines	Cheapest$1,066	Average$1,128	FlexibilityNo cancel fee	On-time75%
Singapore Airlines	Cheapest$1,097	Average$1,757	FlexibilityNo cancel fee	On-time81%

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$419+ Cheap flights from District of Columbia to Singapore (SIN)

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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from District of Columbia to Singapore with Cheapflights

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Cheap flight deals from District of Columbia to Singapore

Keep the following information in mind while searching for District of Columbia to Singapore flight deals. Data was last updated July 31, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from District of Columbia to Singapore

Cheapest flights from District of Columbia to SingaporeExplore the most affordable flight options available from District of Columbia to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

Explore the most affordable flight options available from District of Columbia to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from District of Columbia to Singapore that are best for you.

Best time to book a flight from District of Columbia to Singapore

Have a flexible travel schedule? Discover the best time to fly to Singapore from District of Columbia with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from District of Columbia to Singapore

What is the cheapest month to book a flight from District of Columbia to Singapore?

What is the cheapest time of day to fly from DC to SIN?

Find hourly flight availability from District of Columbia 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 July 31, 2025.

How much does it cost to fly round-trip from District of Columbia to Singapore?

Reviews of airlines servicing Singapore

Related info for your journey

Find useful and relevant information for your journey from District of Columbia to Singapore. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Singapore from District of Columbia?

What are the cheapest airlines to fly from District of Columbia to Singapore one-way?

Can I find deals for flights from District of Columbia to Singapore that include hotel bookings?

How can I find direct flights from District of Columbia to Singapore?

Can I find deals for business class flights from District of Columbia to Singapore?

What is the cheapest month to book a flight from District of Columbia to Singapore?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for District of Columbia to Singapore

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from District of Columbia to Singapore

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Cheapest flights from District of Columbia to Singapore
Explore the most affordable flight options available from District of Columbia to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.