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IAD - SIN

$430 Find cheap flights from Washington Dulles Airport to Singapore

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Dulles Intl to Singapore departing on 8/29. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Wed 6/12
Wed 6/19

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These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Singapore.
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Singapore.
In the last 7 days travelers have searched 41,771,603 times on KAYAK, and here is why:

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Cheap flight deals from Dulles Intl to Singapore (IAD-SIN)

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Dulles Intl to Singapore that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
7:10 pm - 3:45 pmIAD-SIN
32h 35m1 stop
5:15 pm - 3:45 pmSIN-IAD
34h 30m1 stop
$915SAUDIA
Find Deal
Sat, Aug 31 - Sat, Sep 14
7:10 pm - 3:45 pmIAD-SIN
32h 35m1 stop
5:15 pm - 3:45 pmSIN-IAD
34h 30m1 stop
$921SAUDIA
Find Deal
Sat, Aug 31 - Sat, Sep 14
10:25 pm - 8:25 amIAD-SIN
21h 00m1 stop
11:25 pm - 12:00 pmSIN-IAD
25h 35m1 stop
$961Turkish Airlines
Find Deal
Sun, Nov 3 - Mon, Nov 11
10:25 pm - 8:25 amIAD-SIN
21h 00m1 stop
5:20 am - 8:30 pmSIN-IAD
28h 10m1 stop
$963Turkish Airlines
Find Deal
Tue, Nov 5 - Tue, Nov 12
1:25 pm - 7:55 pmIAD-SIN
42h 30m1 stop
10:30 pm - 12:07 amSIN-IAD
37h 37m2 stops
$1,011Korean Air
Find Deal
Wed, Sep 4 - Mon, Sep 23
6:00 am - 11:40 pmIAD-SIN
29h 40m2 stops
10:30 pm - 12:07 amSIN-IAD
37h 37m2 stops
$1,017Korean Air
Find Deal
Wed, Sep 4 - Mon, Sep 23
10:55 am - 8:45 pmIAD-SIN
21h 50m1 stop
2:15 am - 4:10 pmSIN-IAD
25h 55m1 stop
$1,121Qatar Airways
Find Deal
Sat, Sep 28 - Thu, Oct 3
10:55 am - 12:10 amIAD-SIN
25h 15m2 stops
2:15 am - 4:10 pmSIN-IAD
25h 55m1 stop
$1,126Qatar Airways
Find Deal
Sat, Sep 28 - Thu, Oct 3
10:55 am - 8:45 pmIAD-SIN
21h 50m1 stop
2:00 am - 3:55 pmSIN-IAD
26h 55m1 stop
$1,155JetBlue
Find Deal
Tue, Oct 15 - Sat, Nov 9
9:05 pm - 9:00 amIAD-SIN
23h 55m1 stop
2:15 am - 4:10 pmSIN-IAD
25h 55m1 stop
$1,225JetBlue
Find Deal
Sun, Oct 6 - Wed, Oct 9

Flights from Dulles Intl to Singapore - Travel Insights & Trends

Get data-powered insights and trends into flights from Dulles Intl to Singapore to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Washington Dulles Airport to Singapore?

The average price of all flights from Washington, D.C. Dulles Intl Airport to Singapore clicked on KAYAK for each day over the last 12 months.
If your flying dates are flexible, you should consider flying to Singapore on a Wednesday, as we generally find the cheapest rates on that day for this route. On the other hand, Monday is the most expensive day to fly from Washington Dulles Airport to Singapore. For your return ticket, we recommend flying on a Friday and avoiding Mondays for the best deals.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Washington, D.C. Dulles Intl Airport to Singapore, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Washington, D.C. Dulles Intl Airport to Singapore is April, where tickets cost $1,036 on average. On the other hand, the most expensive months are December and July, where the average cost of tickets is $1,900 and $1,729 respectively.

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to Singapore?

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from Washington, D.C. Dulles Intl Airport to Singapore, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from Washington, D.C. Dulles Intl Airport to Singapore, you should book around 1 day before departure. For the absolute cheapest price, our data suggests you should book 52 days before departure.

Which airlines provide the cheapest flights from Washington Dulles Airport to Singapore?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
In the past 3 days, the cheapest one-way tickets to Singapore from Washington Dulles Airport were found on SAUDIA ($475) and Turkish Airlines ($585), and the lowest round-trip tickets were found on SAUDIA ($915) and Turkish Airlines ($961).

Good to know

Low season

January

High season

June

Cheapest flight

$430
Best time to beat the crowds with an average 11% drop in price.
Most popular time to fly with an average 27% increase in price.
Flight from Washington Dulles Airport to Singapore

When to book flights from Dulles Intl to Singapore

Are your dates flexible? Find out the best times to travel from Dulles Intl to Singapore based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Washington Dulles Airport to Singapore flights

  • What flight options do I have from Washington Dulles Airport to Singapore?

    You will have at least one layover when flying from Washington Dulles Airport to Singapore. Singapore Airlines, United Airlines, Virgin Atlantic, and British Airways offer flights between the two destinations with a layover in London. Korean Air, Turkish Airlines, Emirates, and Qatar Airways offer connecting flights to Singapore through hub cities such as Seoul, Istanbul, Dubai, and Doha.

  • Which airline flying from Washington Dulles Airport to Singapore is ideal for families traveling with young kids?

    Korean Air offers priority boarding for families with young kids to settle in before other passengers. On long-haul flights, the airline provides baby bassinets for babies under a certain weight and height limit. In addition, Korean Air offers child-friendly meal options and extensive in-flight entertainment, such as movies for kids and TV shows.

  • Which airline is suitable for passengers traveling in a wheelchair?

    When flying with Turkish Airlines, you will be allowed to bring your wheelchair onboard, regardless of whether it is manual or battery-operated. Also, this airline offers wheelchairs on board for ease of moving around if you have limited mobility. Turkish Airlines ensure the comfort of passengers traveling in a wheelchair by assisting at the terminal, during boarding, inside the aircraft cabin, during layovers, and during deplaning.

  • Which airline is ideal to fly with from Washington Dulles Airport to Singapore?

    Virgin Atlantic offers top-notch services to its customers and will be the ideal airline for you to fly from Washington Dulles Airport to Singapore. This airline features comfortable seating, delicious meals, and a wide selection of entertainment options onboard. You are guaranteed a safe, comfortable, and enjoyable trip when you choose this airline.

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

    In the last 3 days, the lowest price for a flight from Washington, D.C. Dulles Intl Airport to Singapore was $430 for a one-way ticket and $915 for a round-trip.

  • Do I need a passport to fly between Washington Dulles Airport and Singapore?

    Yes, you'll most likely have to show a valid passport before boarding the plane in Washington Dulles Airport and on arrival in Singapore.

  • Which airports will I be using when flying from Washington Dulles Airport to Singapore?

    Washington Dulles Airport and Singapore are both served by 1 main airport. You will leave Washington Dulles Airport from Washington, D.C. Dulles Intl and will be arriving at Singapore Changi.

  • Which aircraft models fly most regularly from Washington Dulles Airport to Singapore?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Washington Dulles Airport to Singapore?

    SkyTeam, Star Alliance, and oneworld are the airline alliances operating flights between Washington Dulles Airport and Singapore, with Star Alliance being the most commonly used for this route.

  • What is the most popular layover when flying to Singapore from Washington Dulles Airport?

    Doha is the most popular layover city among KAYAK users traveling from Washington Dulles Airport to Singapore.

  • Which is the best airline for flights from Washington, D.C. to Singapore, Korean Air or Delta?

    The two airlines most popular with KAYAK users for flights from Washington, D.C. to Singapore are Korean Air and Delta. With an average price for the route of $1,348 and an overall rating of 8.5, Korean Air is the most popular choice. Delta is also a great choice for the route, with an average price of $1,106 and an overall rating of 8.0.

  • How does KAYAK find such low prices on flights from Washington Dulles Airport to Singapore?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington Dulles Airport to Singapore.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington Dulles Airport to Singapore?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Singapore from Washington Dulles Airport is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Washington Dulles Airport to Singapore?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Singapore with an airline and back to Washington Dulles Airport with another airline. Booking your flights between Washington Dulles Airport and SIN can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington Dulles Airport to Singapore?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Singapore from Washington Dulles Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top tips for finding a cheap flight from IAD to Singapore

  • Washington Dulles International Airport (IAD) is located approximately 26 miles from Downtown Washington, D.C. and will be the departure airport for your trip to Singapore. Convenient transportation options include taxis, Uber, and Lyft, as well as public transit via Metrorail or Metrobus, connecting downtown to the airport terminal operated by the Washington Metropolitan Area Transit Authority.
  • Hotels near Washington Dulles International Airport that offer complimentary airport shuttle services will be an ideal choice of accommodation if you have an early morning flight from Washington Dulles International Airport to Singapore. We recommend staying at hotels such as Holiday Inn Washington Dulles International Airport, Hyatt Regency Dulles, or Hilton Washington Dulles Airport.
  • Singapore Changi Airport (SIN) will be your arrival airport from Washington Dulles Airport. This airport is about 10 miles from the city center. Taxis are readily available outside the airport, a convenient way to get downtown. Alternatively, the east-west and downtown lines of the metro system offer convenient access to downtown areas like Bugis, Chinatown, and Marina Bay.
  • If you land late at night, booking accommodation at a hotel near Singapore Changi Airport will be ideal. Crowne Plaza Changi Airport, Aerotel Singapore, Village Hotel Changi, Ambassador Transit Hotel, and Capri by Fraser Changi City, Singapore are conveniently close to the airport, and offer complimentary airport shuttle services to guests.
  • Singapore Airlines is focused on achieving zero carbon emissions by 2050 and reducing waste. This airline takes part in programs and initiatives that help promote environmental sustainability by being an active Sustainable Aviation Fuel Users Group member since 2011, and participating in the ICAO Carbon Offsetting and Reduction Scheme for International Aviation.
See more tips

Top 5 airlines serving from Dulles Intl to Singapore

 
See real verified KAYAK customer reviews for airlines flying from Washington, D.C. to Singapore. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Dulles Intl to Singapore? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.5
Korean AirOverall score based on 1175 reviews
8.3Comfort
8.6Boarding
8.2Food
8.2Entertainment
8.8Crew
Airline reviews

The flight crews were extremely professional, helpful, and courteous. Departure and arrival times were accurate. No delay. I will use K airline again. Thanks

10.0 ExcellentAnonymous, Apr 2024IAD - ICN
Read more about Korean Air reviews

The flight crews were extremely professional, helpful, and courteous. Departure and arrival times were accurate. No delay. I will use K airline again. Thanks

Great crew, decent food Charging plugs were broken on both seats next to me. Only the USB port was available, and that charges, very, very slowly. Seat was also broken, it would not lock into position when reclining.

Korean Air had great service and the Bibimbap dish was the best airplane food I’ve ever had. It was a long flight so in between the two meals they served customers could get Shin ramen. The flight attendants let my children use a pair of nice headphones for the flight and had earbuds and slippers for all the adults. The flight was long but the time passed by relatively quickly because they have many great shows in their entertainment TV. I watched the BTS Love Yourself and Speak Yourself concerts 💜

New plane. Perfect gluten free meal Very flawless procedures from check-in to the landing. Taking off on time and landing even earlier and the luggages are already there after shortest arrival report.

not too bad but not too great either. Service on all airlines declined ever since covid. Your Delta Stewardess are not that friendly at all. :-(

You did not put me on a Korean Air flight! so I do not have nothing to say

My flight was diverted to Atlanta and I was not given enough time. I paid my travel on April 23, 2023. It was originally Delta from Norfolk to NY, then Korean Air from NY all the way Philippines which is my final stop. Instead from Atlanta to Korea I flew Delta which is okay. Then Korea to Philippines, I flew Asiana Airlines. What I did not like, Ieagle did not sent me an email that my flight was change and so when I went to check in Wednesday the 10th, at 4:30 a.m they told me my flight was delayed at 6;00 p.m and diverted in Atlanta and I am flying Asiana from Korea to Philippines. I do not appreciate that Kayak or Ieagle chenge our flights 5 times and then last minute change again during my day of flight. I hope that you will not make any changes of my flight o Feb 15th because it has to be the same flight with my husband. That is the reason why we made the arrangements early on.

Wonderful cabin crew!!!!! Food was poor, in flight entertainment was just ok. They need to serve more water on a 15 hour flight--we were dehydrated and kept asking for water.

Going through security a third time to get on the next flight was again utterly ridiculous and unnecessary. We were in a International secure area once again and as far as I'm concerned should not have been put through the gears for absolutely no reason. The United States can get all the information they need from the travel itinerary, there was no need to be forced out of a secure area to personally interview everyone on a connecting flight to find out their US immigration status.

Flight arrived early, fantastic, since it is short flight, no food being served

The plane from SNA wouldn’t start after 5 tries. The team gave me an option of flying direct from LAX and giving me a Lyft ride there! Perfect!

Best airline! Always friendly and welcoming. Skyclub was great and loved the fast free wifi on board. I also love that you can pre-order your meal on the app!

Atlanta boarding crew at gate were filled with arrogance and were disrespectful. In flight crew showed indifference to the needs of passengers. This is about the flight from ATL to BDL.

The plane was FREEZING SEATS UNCOMFORTABLE Otherwise smooth Thank you

Boarding was chaotic. I didn’t finish dinner because I went to bed early. Breakfast omelet was overcooked and tasteless but croissant was better than usual. Plane was dirty—crumbs in every seam and lavatory was poorly maintained (paint peeling, etc.) and toilet paper had not been refreshed before takeoff. No cubby for storage in first and seat was narrow.

Boarding was somewhat chaotic. Unable to evaluate crew or food/drink because captain kept them seated due to turbulence. Have no idea if entertainment was offered.

West Jet has a horrible boarding process and the seats have no cushion.

Everything went smoothly. I didn’t like that when I booked in the main cabin my wife and I weren’t seated together. One would think when booking on an option that allows picking your seat. They would put you and your travel partner together. Had to call to get it sorted. They did fix.

The gate area was incredibly short staffed, with one representative manning 4-5 flights, which caused a 3 hr delay in boarding even though the plane was all ready to leave. Other flights also were delayed because of this. The flight crew was awesome and I feel bad for the only gate worker on call, but Delta needs to hire more employees.

Very frustrated with boarding gate crew. She announced the plane was small and they would be limiting us to one item to carry on. Not a problem for me as I understand the tiny planes have limited space!! Not the case here! It was a rather large plane and had plenty of room for bags! So because I don’t want to be one of “those people” who ignores the request to check a carry on I did so asking if I would be able to pick it up at the bottom of the ramp on arrival in Knoxville to which she responded “yes”! Then I watched as every other passenger held onto their 2 items and boarded!! Then when we arrived in Knoxville our 2 carry ons had been put with all the other luggage and we had to go to baggage pick up and wait for all the big checked bags to come off the carousel! So she lied!! Frustrating. Next time I won’t be so nice!

Operated by American Airlines. Very chaotic and the crew was bit rough responding any enquiries. Restricted leg space.. Qatar would have been better

Qatar airways from Doha to guangzhau was excellent big bird Boeing 777 more room and smoothly flight, I Love it

It was good no problems made it on time for the next flight overseas!

The made us waiting and held our passports and boarding pass making us miss our flights

Not impressed. Only allowed one carry on on such a long flight.

The flight was good but my neighbor had the vent open full power for the whole flight and because the air was blowing from the side instead of from the top and I got very cold and ended up with a sore throat.

Bad experience with the delay n long wait time for connecting flight after missing the connection flight from Doha.

Wore experience due to delay and took me 3 days to reach my destination.

All over with Qatar airlines my experience was really bad due to delays and then putting me on different airlines and after 8 hours of wait I had to listen to their is no plane to fly for another 24 hours. Wore experience ever.

Excellent will be flying again in May with Qatar. to Botswana.

Delayed departure. Delayed after landing pulling into gate. Delay due to sky bridge malfunction

Great. Loved that there was WiFi on flight to keep in touch and excellent service of beverages and snacks.

Business class is great. New airplane, very comfortable, better than some of the major airlines I am used to

Terrible. Flight was cancelled due to the weather in the east and sout east(florida). Did not get any compesation of any kind. According to them, it was not under their control so I lost all the money paid for the 2 fairs from Raleigh, NC to Orlando, Fl.

great flight. Pilot was communicative, flight attendants were excellent. Really nice experience except my tv didn’t work.

Overall, the flight was better than the flight I took to go to Florida, which had a bunch of problems. The crew is really nice and the plane was new so it had a small problem when we were on the runway, but the flight itself was great. They even made some time back up, which is always a good thing.

at the time for boarding the lady just call Group A and no other goups and everybody from A to F go inside without the right turn,and when we get in theres no more spsce for carry on , the ones that get in at not correct group from the back occupy our space !!!!! a mess !!!!

There were multiple delays but JetBlue tried to make the boarding and departure process as quick and efficient as possible. The crew was as detached from reality as could be, meaning: not very friendly and just doing things by the numbers.

I had back trouble prior to my flight and everyone was great about helping me.

Jetblue needs to improve on Onboarding as it seems to always be behind on departing. It never leaves on time. I would recommend to have an earlier Onboarding in order to leave on time and respect your customers time as well.

Excellent service and comfort from the moment you check in. Flight crew is hyper focused on making passengers comfortable and at ease. It’s like a flying hotel!

Only chicken as a meat dish through out the flight

Nothing really was great as such. Seen other no name airlines perform better.

Quality of service on board was very inconsistent. FA service primarily seemed robotic and they barely engaged with passengers

I’m unclear why I had to pay extra for assigned seats as Turkish airlines did not honor the seating. We were placed across the aisle from each other on TK 34, and were seated behind one another on TK 694. Because my name was misspelled on e-ticket (Klawiter, instead of Klawitter) I could not log onto website to get the connection gate number in Istanbul. The monitors in the airport were a jumbled mess 1/2 Arabic and 1/2 English.

On line check in needs a lot of improvement. I tried and gave up.

Food not good, flight attendants not the best, not accommodating very ruff

the female flight attendant was racist towards me. I could tell she treated the two other passengers next to me with more softness.

Oh my god! For an13 hour flight they serve you food just one time. Also don’t be thirsty they give you a little small cup of soda to drink. They seem like their goal is to feed you one so they don’t have to be bothered with you. It quite surprise for such a long flight there are several times to eat at least three and the food was well lackluster. The food and lack of offering drinks which were always hot no ice provided.

The food could be better. The service was okay. Could have done more to provide water throughout the flight.

Book cheap flights from Washington, D.C. to Singapore

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Washington, D.C. to Singapore found on KAYAK in the last 72 hours.
8/29Thu
3 stops
35h 45mIAD-SIN
$430
9/17Tue
3 stops
35h 45mIAD-SIN
$438
7/29Mon
1 stopTurkish Airlines
37h 15mIAD-SIN
$585
9/16Mon
1 stopKorean Air
27h 35mIAD-SIN
$594
9/15Sun
1 stopDelta
27h 35mIAD-SIN
$598
7/18Thu
2 stopsDelta
28h 10mIAD-SIN
$603
8/21Wed
2 stopsKorean Air
42h 40mIAD-SIN
$605
8/23Fri
1 stopTurkish Airlines
32h 05mIAD-SIN
$623
7/18Thu
1 stopQatar Airways
21h 50mIAD-SIN
$1,079
6/7Fri
2 stopsQatar Airways
25h 15mIAD-SIN
$1,120

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Last minute flights from Dulles Intl to Singapore

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from Washington, D.C. to Singapore that are departing in the next 10 days.
5/15Wed
multi-stopTurkish Airlines
22h 55mIAD-SIN
6/11Tue
multi-stopTurkish Airlines
27h 20mSIN-IAD
$1,199
5/15Wed
multi-stopTurkish Airlines
22h 55mIAD-SIN
5/24Fri
multi-stopTurkish Airlines
40h 30mSIN-IAD
$1,226
5/15Wed
multi-stopTurkish Airlines
22h 55mIAD-SIN
5/23Thu
multi-stopTurkish Airlines
45h 40mSIN-IAD
$1,245
5/15Wed
multi-stopJetBlue
21h 50mIAD-SIN
6/10Mon
multi-stopJetBlue
25h 55mSIN-IAD
$1,262
5/14Tue
multi-stopAir India
32h 15mIAD-SIN
6/16Sun
multi-stopAir India
43h 40mSIN-IAD
$1,357
5/15Wed
multi-stopQatar Airways
29h 35mIAD-SIN
6/11Tue
multi-stopQatar Airways
26h 00mSIN-IAD
$1,406
5/14Tue
multi-stopDelta
31h 01mIAD-SIN
6/16Sun
multi-stopDelta
35h 16mSIN-IAD
$1,470
5/15Wed
multi-stopQatar Airways
30h 40mIAD-SIN
5/22Wed
multi-stopQatar Airways
25h 55mSIN-IAD
$1,478
5/14Tue
multi-stopKorean Air
27h 35mIAD-SIN
6/15Sat
multi-stopKorean Air
52h 17mSIN-IAD
$1,781
5/14Tue
multi-stopKorean Air
34h 00mIAD-SIN
6/14Fri
multi-stopKorean Air
52h 17mSIN-IAD
$1,827

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Search by price

Washington Dulles Airport - Singapore Flights

Departure:

Washington Dulles Airport (undefined)United States

Destination:

Singapore (SIN)Singapore

Return flight deals:

Singapore - Washington Dulles Airport

Cabin classes:

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