IAD - SIN

$501 Find Cheap Flights from Washington Dulles Airport to Singapore - Compare and Save

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 8/11. 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
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$1,001
Typical prices: $1,115-$1,224
Etihad Airways
Mon 9/14Mon 9/21
IAD - SIN • 1 stop
Cheapest one-way
$501
Typical prices: $577-$637
Multiple Airlines
Tue 8/11
IAD - SIN • 3 stops
Nonstop flights
Not available
There are currently no direct flights between Dulles Intl and Singapore. You'll need at least 1 connection.
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Top layover airports
Cheapest • Avg $852 (round-trip)
Shortest trip • 22h 29m (one-way)
Insights
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When to book
in advance
Our data shows that travelers who book at least 3 weeks in advance save around 35% compared to booking last minute.
Insights
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When to travel
Cheapest • 24% price drop
Most popular
Good to know
Good to know
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We hope you love your trip to Singapore!
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Booking Insights
Flight Deals

Cheap Flights 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 for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Dulles Intl to Singapore

Mon, Sep 14 - Mon, Sep 21
Etihad Airways Logo
3:10 pm - 9:40 am
IAD
-
SIN
30h 30m
1 stop
Etihad Airways Logo
9:00 pm - 9:45 am
SIN
-
IAD
24h 45m
1 stop
$1,001Etihad Airways
Tue, Sep 15 - Tue, Sep 22
Etihad Airways Logo
3:10 pm - 9:40 am
IAD
-
SIN
30h 30m
1 stop
Etihad Airways Logo
9:00 pm - 9:45 am
SIN
-
IAD
24h 45m
1 stop
$1,001Etihad Airways
Sun, Sep 13 - Sat, Sep 19
Korean Air Logo
6:00 am - 11:55 pm
IAD
-
SIN
29h 55m
2 stops
Korean Air Logo
1:25 am - 11:05 am
SIN
-
IAD
21h 40m
1 stop
$1,016Korean Air
Tue, Oct 27 - Thu, Nov 12
Air China Logo
11:00 pm - 9:55 pm
IAD
-
SIN
34h 55m
1 stop
Air China Logo
11:55 pm - 6:30 pm
SIN
-
IAD
31h 35m
1 stop
$1,017Air China
Fri, Sep 4 - Fri, Sep 18
Air China Logo
11:00 pm - 9:55 pm
IAD
-
SIN
34h 55m
1 stop
Air China Logo
9:00 am - 7:30 pm
SIN
-
IAD
22h 30m
1 stop
$1,017Air China
Sun, Sep 13 - Sun, Sep 20
Korean Air Logo
1:15 pm - 5:00 am
IAD
-
SIN
27h 45m
1 stop
Korean Air Logo
10:00 pm - 11:05 am
SIN
-
IAD
25h 05m
1 stop
$1,022Korean Air
Sun, Oct 18 - Sat, Oct 31
Qatar Airways Logo
9:00 pm - 10:15 am
IAD
-
SIN
25h 15m
2 stops
Qatar Airways Logo
8:15 pm - 9:10 am
SIN
-
IAD
24h 55m
1 stop
$1,066Qatar Airways
Thu, Sep 10 - Thu, Sep 24
Qatar Airways Logo
11:05 am - 9:15 pm
IAD
-
SIN
22h 10m
1 stop
Qatar Airways Logo
6:15 pm - 3:40 pm
SIN
-
IAD
33h 25m
2 stops
$1,066Qatar Airways
Thu, Oct 22 - Fri, Nov 6
Turkish Airlines Logo
9:40 pm - 9:30 am
IAD
-
SIN
23h 50m
1 stop
Turkish Airlines Logo
11:15 pm - 12:45 pm
SIN
-
IAD
26h 30m
1 stop
$1,093Turkish Airlines
Sun, Oct 25 - Sun, Nov 1
Turkish Airlines Logo
2:30 pm - 5:40 pm
IAD
-
SIN
39h 10m
1 stop
Turkish Airlines Logo
10:25 am - 1:45 pm
SIN
-
IAD
39h 20m
1 stop
$1,107Turkish Airlines
Booking Insights

KAYAK's insights & trends for Dulles Intl to Singapore flights

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.

How much is a round-trip flight from Washington, D.C. Dulles Intl Airport to Singapore?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Washington, D.C. Dulles Intl Airport to Singapore departing in September.

Flight prices are below average for this route right now.

Flights to Singapore from Washington, D.C. Dulles Intl Airport usually cost between $1,217 and $1,530 in September.
The lowest price found in the past 5 days was $1,001 on Etihad Airways (Sep 14-Sep 21).

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 round-trip 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 $1,010 (return) on average. On the other hand, the most expensive months are December and July, where the average cost of round-trip tickets is $1,973 and $1,685 respectively.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip 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 week.

To get a below average price on the flight from Washington, D.C. Dulles Intl Airport to Singapore, you should book around 3 weeks before departure, which saves you about 35% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 19 weeks before departure.

Good to know

Low season

January

Cheapest flight

$501
Best time to beat the crowds with an average 7% drop in price.
Most popular time to fly with an average 47% 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 5 days, the lowest price for a flight from Washington, D.C. Dulles Intl Airport to Singapore was $501 for a one-way ticket and $1,001 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, oneworld, and Star Alliance are the airline alliances operating flights between Washington Dulles Airport and Singapore, with SkyTeam being the most commonly used for this route.

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

    Istanbul 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 Turkish Airlines?

    The two airlines most popular with KAYAK users for flights from Washington, D.C. to Singapore are Korean Air and Turkish Airlines. With an average price for the route of $1,328 and an overall rating of 8.4, Korean Air is the most popular choice. Turkish Airlines is also a great choice for the route, with an average price of $1,138 and an overall rating of 7.4.

  • 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.

KAYAK’s top tips for finding a cheap flight from Washington, D.C. Dulles Intl Airport 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.

Everything you need to know for your flight from Dulles Intl to Singapore

Information on your arrival and departure airports