Question 1

What are the cheapest airlines flying from Singapore to Washington, D.C. Dulles Intl Airport round-trip?

Accepted Answer

Our cheapest airline available from Singapore to Washington, D.C. Dulles Intl Airport is Air Canada. Our recent data shows that you can find tickets from as low as S$ 1,023 on this airline. Additional options worth looking into are United Airlines and ANA, starting at S$ 1,126 and S$ 1,168 round-trip. Users have found that Air Canada is 39% cheaper than the other options available to this destination. Find deals

Question 2

What are the cheapest airlines to fly from Singapore to Washington, D.C. Dulles Intl Airport one-way?

Accepted Answer

To fly one-way, consider booking your trip with Air China, which is currently one of the cheapest options available, starting at S$ 575. Air Canada flights start at S$ 611 while deals on IndiGo start at S$ 740 one-way. Find deals

Question 3

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

Accepted Answer

To ensure you get the cheapest price possible for a flight from Singapore to Washington, D.C. Dulles Intl Airport, you should look to book at least 78 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure. Find deals

Question 4

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

Accepted Answer

Travellers seeking maximum savings on their Singapore to Washington, D.C. Dulles Intl Airport flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time. Find deals

Question 5

E

Accepted Answer

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 66.0 - 102.0 inches per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 66.0 mm.

Question 6

E

Accepted Answer

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

Question 7

What are the most popular airlines that fly from Singapore to Washington, D.C. Dulles Intl Airport?

Accepted Answer

The most popular airlines flying from Singapore to Washington, D.C. Dulles Intl Airport are Air India, Korean Air and Qatar Airways. Something to consider prior to booking your flight.

Question 8

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

Accepted Answer

Flights from Singapore to Washington, D.C. Dulles Intl Airport are generally found to be more expensive on Monday. This shouldn't discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Washington, D.C. Dulles Intl Airport.

Question 9

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

Accepted Answer

September is one of the best times of the year to fly to Washington, D.C. Dulles Intl Airport from Singapore. Prices for September average S$ 1,607 per person but you can even find prices for as low as S$ 768. The most expensive prices can be found in the month of August. Opting for a September flight can save you 26% on your journey compared to booking in August

Question 10

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

Accepted Answer

A simple way to save on the total cost of your ticket is to fly from Singapore to Washington, D.C. Dulles Intl Airport at midday. If you’re flexible enough to do this you can expect to save up to 23% on your trip compared to booking a flight in the afternoon.

Question 11

What airport do you fly from for flights from Singapore to Washington, D.C. Dulles Intl?

Accepted Answer

Located just 16.9 km from the city centre, Singapore Changi is the airport most travellers will use when flying to Washington, D.C. Dulles Intl from Singapore. Booking flights from Changi (SIN) to Washington, D.C. Dulles Intl should be relatively easy as there are 0 daily outbound flights to Washington, D.C. Dulles Intl from 6 different airlines.

Question 12

Can I find deals for flights from Singapore to Dulles Intl that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Singapore to Dulles Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

Question 13

How can I find direct flights from Singapore to Dulles Intl?

Accepted Answer

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

Question 14

Can I find deals for business class flights from Singapore to Dulles Intl?

Accepted Answer

Yes. Cheapflights offers flight deals from Singapore to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Question 15

How does Cheapflights help users find flights from Singapore to Dulles Intl?

Accepted Answer

Deals for Singapore to Dulles Intl flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Question 16

Why should you use Cheapflights to find cheap flight tickets from Singapore to Dulles Intl?

Accepted Answer

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Singapore to Dulles Intl for you. Better yet — we are completely free to use.

Question 17

Can Cheapflights find flights from Singapore to Dulles Intl with no change fees?

Accepted Answer

Yes! Cheapflights helps users easily find flights from Singapore to Dulles Intl with no change fees.

Question 18

Can Cheapflights notify me if prices for flights from Singapore to Dulles Intl become cheaper?

Accepted Answer

Yes! Start tracking prices for Singapore to Dulles Intl flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

Round-trip from	S$ 1,023
One-way from	S$ 575
Popular in	July
Cheapest in	March
Average price	S$ 2,073

Airline	Cheapest	Average	Flexibility	On-time
SAUDIA	CheapestS$ 939	AverageS$ 1,103	FlexibilityNo cancel fee	On-time86%	Search SAUDIA flights
Turkish Airlines	CheapestS$ 1,228	AverageS$ 1,435	FlexibilityNo cancel fee	On-time77%	Search Turkish Airlines flights
United Airlines	CheapestS$ 1,260	AverageS$ 1,578	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Air India	CheapestS$ 1,312	AverageS$ 1,403	FlexibilityNo cancel fee	On-timeN/A	Search Air India flights
Korean Air	CheapestS$ 1,605	AverageS$ 2,204	FlexibilityNo cancel fee	On-time81%	Search Korean Air flights
Qatar Airways	CheapestS$ 1,758	AverageS$ 2,184	FlexibilityNo cancel fee	On-time68%	Search Qatar Airways flights

Cheap flights from Singapore to Washington, D.C. Dulles Intl Airport from S$ 575

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 20-11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Singapore Changi to Washington, D.C. Dulles Intl are usually found in March or February, booked 78 days in advance, depart on a Friday or Monday and return on a Monday

Cheap flight deals from Singapore to Dulles Intl

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Find flight deals from Singapore to Dulles Intl

Cheapest flights from Singapore to Dulles IntlExplore the most affordable flight options available from Singapore to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 July 2025.

Explore the most affordable flight options available from Singapore to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 July 2025.

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Use the filters below to find and compare flights from Singapore to Washington, D.C. Dulles Intl Airport that are best for you.

Best time to book a flight from Singapore to Dulles Intl

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

Cheapflights Insights

Everything you need to know about your flight from Singapore to Washington, D.C. Dulles Intl Airport

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

Use this chart to determine the optimal time to book a return flight from Singapore to Dulles Intl. Price data was last updated on 27 June 2025.

How much does it cost for a return flight from Singapore to Washington, D.C. Dulles Intl Airport?

Reviews of airlines servicing Dulles Intl

Get a feel of what it's like to fly with EVA Air, ANA, andChina Airlines from Singapore to Washington, D.C. Dulles Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Singapore to Dulles Intl. 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 from for flights from Singapore to Washington, D.C. Dulles Intl?

What are the cheapest airlines flying from Singapore to Washington, D.C. Dulles Intl Airport round-trip?

What are the cheapest airlines to fly from Singapore to Washington, D.C. Dulles Intl Airport one-way?

Can I find deals for flights from Singapore to Dulles Intl that include hotel bookings?

How can I find direct flights from Singapore to Dulles Intl?

Can I find deals for business class flights from Singapore to Dulles Intl?

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Fly from Singapore to Dulles Intl on these airlines

Choose from the following airlines for your flight from Singapore to Dulles Intl. Flights are based on user searches made on Cheapflights and were last updated on 2 July 2025.

Top 6 airlines flying from Singapore to Dulles Intl

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How does Cheapflights help users find flights from Singapore to Dulles Intl?

Why should you use Cheapflights to find cheap flight tickets from Singapore to Dulles Intl?

Can Cheapflights find flights from Singapore to Dulles Intl with no change fees?

Can Cheapflights notify me if prices for flights from Singapore to Dulles Intl become cheaper?

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Cheapest flights from Singapore to Dulles Intl
Explore the most affordable flight options available from Singapore to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 July 2025.