$541 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 to Dulles Intl departing on 10/26. 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

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 for flights 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 for flights to Washington, D.C., as well as popular online travel agencies
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Flight Deals

Cheap Flights from Singapore to Dulles Intl

 
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

Mon, Sep 7 - Wed, Sep 9
ANA Logo
10:00 pm - 10:05 am
SIN
-
IAD
24h 05m
1 stop
ANA Logo
8:20 am - 11:20 pm
IAD
-
SIN
27h 00m
2 stops
$812ANA
Mon, Sep 7 - Wed, Sep 9
ANA Logo
10:00 pm - 10:05 am
SIN
-
IAD
24h 05m
1 stop
ANA Logo
8:20 am - 11:20 pm
IAD
-
SIN
27h 00m
2 stops
$847ANA
Mon, Sep 7 - Wed, Sep 9
ANA Logo
10:00 pm - 10:05 am
SIN
-
IAD
24h 05m
1 stop
ANA Logo
8:20 am - 6:40 am
IAD
-
SIN
34h 20m
2 stops
$852ANA
Mon, Sep 7 - Wed, Sep 9
ANA Logo
10:00 pm - 1:55 pm
SIN
-
IAD
27h 55m
2 stops
ANA Logo
12:15 pm - 6:40 am
IAD
-
SIN
30h 25m
1 stop
$857ANA
Mon, Jun 29 - Tue, Jul 21
Air China Logo
5:55 pm - 7:30 pm
SIN
-
IAD
37h 35m
1 stop
Air China Logo
11:00 pm - 6:50 am
IAD
-
SIN
43h 50m
1 stop
$947Air China
Wed, Nov 4 - Fri, Nov 6
Air China Logo
5:15 pm - 6:30 pm
SIN
-
IAD
62h 15m
2 stops
Air China Logo
10:00 pm - 6:50 am
IAD
-
SIN
43h 50m
1 stop
$952Air China
Wed, Nov 4 - Fri, Nov 6
Air China Logo
5:15 pm - 6:30 pm
SIN
-
IAD
62h 15m
2 stops
Air China Logo
10:00 pm - 9:55 pm
IAD
-
SIN
34h 55m
1 stop
$954Air China
Wed, Nov 4 - Fri, Nov 6
Air China Logo
5:15 pm - 6:30 pm
SIN
-
IAD
62h 15m
2 stops
Air China Logo
10:00 pm - 9:55 pm
IAD
-
SIN
34h 55m
1 stop
$960Air China
Tue, Sep 1 - Wed, Sep 30
ANA Logo
11:05 am - 3:50 pm
SIN
-
IAD
40h 45m
1 stop
ANA Logo
1:10 pm - 6:40 am
IAD
-
SIN
29h 30m
2 stops
$989ANA
Mon, Sep 7 - Wed, Sep 9
Multiple Airlines Logo
5:55 pm - 7:30 pm
SIN
-
IAD
37h 35m
1 stop
Multiple Airlines Logo
3:10 pm - 9:40 am
IAD
-
SIN
30h 30m
1 stop
$1,018Multiple Airlines
Booking Insights

KAYAK's insights & trends for flights to Dulles Intl

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

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights 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 to Washington, D.C. Dulles Intl Airport is February, where tickets cost $924 on average for return flights. On the other hand, the most expensive months are November and July, where the average cost of tickets from Singapore is $3,546 and $1,563 respectively. For one-way flights, the best month to travel is February with an average price of $924.

Good to know

Low seasonMarch
Cheapest flight$541
Best time to beat the crowds with an average 35% drop in price.
Most popular time to fly with an average 9% increase in price.
Flight from Singapore to Washington Dulles Airport

FAQs - booking Washington Dulles Airport flights

  • How far is Washington, D.C. Dulles Intl Airport from central Washington, D.C.?

    Central Washington, D.C. is 22 miles away from Washington, D.C. Dulles Intl Airport.

  • How does KAYAK find such low prices on flights 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 to Washington Dulles Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket 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 is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights 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 with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight 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 up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • How many direct flights to Washington, D.C. Dulles Intl Airport are there each week?

    Each week there are around 6,733 direct flights from within Singapore to Washington, D.C. Dulles Intl Airport. The most common day for departures is Sunday, with 17% of flights taking off on this day.

Top tips for finding cheap flights to Washington Dulles Airport

  • Enter your preferred departure airport and travel dates into the search form above to unlock the latest Washington Dulles Airport flight deals.

Reviews of the top airline flying from Singapore to Dulles Intl

 
See real verified KAYAK customer reviews for airlines flying to Washington, D.C.. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline from Singapore to Washington, D.C.. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with to Dulles Intl? 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.
7.3
Air ChinaOverall score based on 154 reviews
7.1Comfort
7.9Crew
7.7Boarding
6.4Entertainment
7.1Food
Airline reviews

Very friendly and attentive flight attendants, good food service. Seat was comfortable. However, the in flight electronics were poor. The screen froze repeatedly; the controller died; the headphones are a hit or miss; the wifi wasn't usable. Very scarce communication before the flight (no email reminder). Almost impossible to understand in-flight communications (audio was very poor).

8.0 ExcellentVincenzo, May 2026
PEK - FRA
Read more Air China reviews

Very friendly and attentive flight attendants, good food service. Seat was comfortable. However, the in flight electronics were poor. The screen froze repeatedly; the controller died; the headphones are a hit or miss; the wifi wasn't usable. Very scarce communication before the flight (no email reminder). Almost impossible to understand in-flight communications (audio was very poor).

The meals were not the greatest and lacking of appetite but everything else was spot on

Overall, excellent: check-in, boarding, service, and food. The Business Class seating is a little less private and spacious than the world's premier airlines, but still very good for a long haul flight.

On time. Friendly and helpful flight attendants. The plane was clean. Having a wine available would have been nice.

Your staff was exceptional. Could teach the other airlines-rules on etiquette, and service. Excellent landings on flights, carried out by your pilots. Only complaint is long delay on return flight in Beijing, onto Vancouver.

Worst than I expected, crew was not attentive, meal was as disgusting , they didn’t even drink selections as they would to other passengers. I felt discriminated

cannot get seat information for LAX to IAH when check in in XI,AN

UA is ok. But check in was a very bad experience

I hate that you cannot check in online and when you are at the airport, there aren't any aisle seats left. Also, they could work a little on subtitles for their movies (not everyone is a native English speaker).

Nothing to complain of, the only reason I am not giving better marks is that I am used to flying with ANA and they are the top.

Traveling to a place near Dulles Intl?

Book flights to Dulles Intl if you plan to visit one of these locations
Winchester
Linthicum Heights
Springfield
Hanover
Gaithersburg
Towson
Oxon Hill
Martinsburg
Owings Mills
Charles Town
Greenbelt
Glen Burnie
Ellicott City
Edgewood
Colonial Beach
Camp Springs
Pikesville
Hunt Valley
Lutherville Timonium
Chesapeake Beach

Everything you need to know for your flight to Dulles Intl

Information on the airport you'll fly into in Washington, D.C.