SIN - IAD

$542 Find Cheap Flights from Singapore to Washington Dulles Airport

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Singapore to Dulles Intl departing on 11/13. 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

KAYAK searches hundreds of travel sites at once for deals on flights to Washington, D.C. Dulles Intl Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Singapore to Washington, D.C., as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Singapore to Washington, D.C., as well as popular online travel agencies
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Flight Deals

Cheap Flights from Singapore to Dulles Intl (SIN-IAD)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Singapore to Dulles Intl 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 Singapore to Dulles Intl

Sun, Sep 28 - Sun, Oct 19
Air Canada Logo
9:10 am - 9:38 amSIN-IAD
36h 28m2 stops
Air Canada Logo
9:35 am - 7:05 amIAD-SIN
33h 30m2 stops
$870Air Canada
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Sun, Oct 5 - Sun, Oct 19
Air Canada Logo
9:10 am - 9:38 amSIN-IAD
36h 28m2 stops
Air Canada Logo
9:35 am - 7:05 amIAD-SIN
33h 30m2 stops
$871Air Canada
Find Deal
Sun, Oct 5 - Sun, Oct 19
Air Canada Logo
9:10 am - 9:38 amSIN-IAD
36h 28m2 stops
Air Canada Logo
9:35 am - 7:05 amIAD-SIN
33h 30m2 stops
$872Air Canada
Find Deal
Thu, Oct 9 - Sat, Oct 25
ANA Logo
10:10 pm - 10:05 amSIN-IAD
23h 55m1 stop
ANA Logo
1:20 pm - 6:55 amIAD-SIN
53h 35m2 stops
$922ANA
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Tue, Mar 10 - Sun, Mar 15
Korean Air Logo
1:35 am - 10:50 amSIN-IAD
21h 15m1 stop
Korean Air Logo
12:50 pm - 12:10 amIAD-SIN
23h 20m1 stop
$993Korean Air
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Thu, Oct 30 - Thu, Nov 6
Delta Logo
10:40 am - 12:40 amSIN-IAD
26h 00m2 stops
Delta Logo
7:35 am - 12:10 amIAD-SIN
27h 35m2 stops
$994Delta
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Tue, Mar 10 - Sun, Mar 15
Korean Air Logo
1:35 am - 10:50 amSIN-IAD
21h 15m1 stop
Korean Air Logo
12:50 pm - 12:10 amIAD-SIN
23h 20m1 stop
$996Korean Air
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Thu, Oct 30 - Thu, Nov 6
Turkish Airlines Logo
10:25 am - 12:45 pmSIN-IAD
38h 20m1 stop
Turkish Airlines Logo
1:30 pm - 8:45 amIAD-SIN
30h 15m1 stop
$1,009Turkish Airlines
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Sun, Sep 28 - Sun, Oct 19
Turkish Airlines Logo
10:15 am - 11:45 amSIN-IAD
37h 30m1 stop
Turkish Airlines Logo
9:40 pm - 8:45 amIAD-SIN
23h 05m1 stop
$1,018Turkish Airlines
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Mon, Oct 6 - Thu, Oct 16
Delta Logo
1:10 am - 10:55 amSIN-IAD
21h 45m1 stop
Delta Logo
6:00 am - 11:40 pmIAD-SIN
29h 40m2 stops
$1,099Delta
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Everything you should know

When to travel
March
Cheapest • 18% price drop
December
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Cheapest round-trip
$870
Overall average: $1,437
Air Canada
Sun 9/28Sun 10/19
SIN - IAD • 2 stops
Cheapest one-way
$542
Typical prices: $685-887
Air Canada
Thu 11/13
SIN - IAD • 2 stops
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Dulles Intl!
Booking Insights

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

Get data-powered insights and trends into flights from Singapore to Dulles Intl 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 Singapore to Washington Dulles Airport?

The average price of all round-trip flights from Singapore to Washington, D.C. Dulles Intl Airport clicked on KAYAK for each day over the last 12 months.

If you are looking for a flight deal from Singapore to Washington Dulles Airport, look for departures on Saturdays and avoid leaving on a Monday, as it's usually the priciest day. When flying back from Washington Dulles Airport, Friday is the cheapest day to fly and Saturday is the most expensive.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Singapore to Washington, D.C. Dulles Intl Airport, 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 Singapore to Washington, D.C. Dulles Intl Airport is March, where tickets cost $1,099 (return) on average. On the other hand, the most expensive months are November and July, where the average cost of round-trip tickets is $1,632 and $1,538 respectively.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Singapore to Washington, D.C. Dulles Intl Airport, 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 Singapore to Washington, D.C. Dulles Intl Airport, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 23 weeks before departure.

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Good to know

Low seasonJuly
Cheapest flight$542
Best time to beat the crowds but there is an average 14% increase in price.
Most popular time to fly with an average 5% increase in price.
Flight from Singapore to Washington Dulles Airport

When to book flights from Singapore to Dulles Intl

Are your dates flexible? Find out the best times to travel from Singapore to Dulles Intl 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 Singapore to Washington Dulles Airport flights

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

    In the last 3 days, the lowest price for a flight from Singapore to Washington, D.C. Dulles Intl Airport was $542 for a one-way ticket and $870 for a round-trip.

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

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

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

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

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

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

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

    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 Singapore to Washington Dulles Airport.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington Dulles Airport from Singapore 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 Singapore to Washington Dulles Airport?

    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 Washington Dulles Airport with an airline and back to Singapore with another airline. Booking your flights between Singapore and IAD 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 Singapore to Washington Dulles Airport?

    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 Washington Dulles Airport from Singapore up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

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

Information on your arrival and departure airports

Singapore (SIN)
Dulles Intl (IAD)

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