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Cheap Flights from Washington Dulles to Singapore Changi

Compare Washington Dulles to Singapore Changi flight deals

Find the cheapest month or even day of the year to fly to Singapore Changi

Book the best Singapore Changi fare with no extra fees

Flight deals from Washington Dulles to Singapore Changi

Looking for a cheap last-minute deal or the best return flight from Washington Dulles to Singapore Changi? Find the lowest prices on one-way and return tickets right here.
Singapore.ر.ق.‏ 1,654 per passenger.Departing Sat, 3 May.One-way flight with Air India.Outbound indirect flight with Air India, departs from Washington Dulles on Sat, 3 May, arriving in Singapore Changi.Price includes taxes and charges.From ر.ق.‏ 1,654, select.
Singapore.ر.ق.‏ 1,654 per passenger.Departing Tue, 29 Apr.One-way flight with Air India.Outbound indirect flight with Air India, departs from Washington Dulles on Tue, 29 Apr, arriving in Singapore Changi.Price includes taxes and charges.From ر.ق.‏ 1,654, select.
Singapore.ر.ق.‏ 1,732 per passenger.Departing Sun, 14 Sep.One-way flight with IndiGo.Outbound indirect flight with IndiGo, departs from Washington Dulles on Sun, 14 Sep, arriving in Singapore Changi.Price includes taxes and charges.From ر.ق.‏ 1,732, select.
Singapore.ر.ق.‏ 1,753 per passenger.Departing Thu, 9 Oct.One-way flight with Turkish Airlines.Outbound indirect flight with Turkish Airlines, departs from Washington Dulles on Thu, 9 Oct, arriving in Singapore Changi.Price includes taxes and charges.From ر.ق.‏ 1,753, select.
Singapore.ر.ق.‏ 1,753 per passenger.Departing Thu, 19 Feb.One-way flight with Turkish Airlines.Outbound indirect flight with Turkish Airlines, departs from Washington Dulles on Thu, 19 Feb, arriving in Singapore Changi.Price includes taxes and charges.From ر.ق.‏ 1,753, select.
Singapore.ر.ق.‏ 1,756 per passenger.Departing Tue, 6 Jan.One-way flight with Turkish Airlines.Outbound indirect flight with Turkish Airlines, departs from Washington Dulles on Tue, 6 Jan, arriving in Singapore Changi.Price includes taxes and charges.From ر.ق.‏ 1,756, select.
Singapore.ر.ق.‏ 1,762 per passenger.Departing Wed, 13 Aug.One-way flight with Turkish Airlines.Outbound indirect flight with Turkish Airlines, departs from Washington Dulles on Wed, 13 Aug, arriving in Singapore Changi.Price includes taxes and charges.From ر.ق.‏ 1,762, select.
Singapore.ر.ق.‏ 1,762 per passenger.Departing Thu, 6 Nov.One-way flight with Turkish Airlines.Outbound indirect flight with Turkish Airlines, departs from Washington Dulles on Thu, 6 Nov, arriving in Singapore Changi.Price includes taxes and charges.From ر.ق.‏ 1,762, select.

Find the cheapest month to fly from Washington Dulles to Singapore Changi

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Washington Dulles to Singapore Changi flights are currently cheapest in April.
Apr
from ر.ق.‏ 1,654
May
from ر.ق.‏ 1,654
Jun
from ر.ق.‏ 2,205
Jul
from ر.ق.‏ 1,763
Aug
from ر.ق.‏ 1,762
Sep
from ر.ق.‏ 1,732
Oct
from ر.ق.‏ 1,753
Nov
from ر.ق.‏ 1,762
Dec
from ر.ق.‏ 2,899
Jan
from ر.ق.‏ 1,756
Feb
from ر.ق.‏ 1,753
Mar
from ر.ق.‏ 1,780

Washington Dulles to Singapore Changi: Alternative routes

Compare routes from Washington Dulles to Singapore below. You may find an airport to fly into that's cheaper, faster, or easier than Singapore Changi.

Washington D.C. to Singapore: Flight information

The things to know before you go.
Cheapest flight foundر.ق.‏ 1,658
Cheapest month to flyApril

Finding cheap flights from Washington Dulles to Singapore Changi: Frequently asked questions

The best price we found for a return flight from Washington Dulles to Singapore Changi is ر.ق.‏ 3,202. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Washington Dulles to Singapore Changi. But we found flights with one or more stops from ر.ق.‏ 3,202.
As of April 2025, there are no flights flying from Washington Dulles to Singapore Changi.
The cheapest month to fly from Washington Dulles to Singapore Changi is usually April 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Washington Dulles Airport to Singapore Changi Airport on Saturday, 19 April 2025.
No airlines currently offer direct flights between Washington Dulles Airport and Singapore Changi Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Singapore Changi but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Singapore is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Air India offers the cheapest flight tickets to Singapore Changi.

Flying from Washington Dulles International Airport (IAD) to Changi International Airport (SIN): what you need to know

  • The timezone in Singapore is UTC+8, which is 12 hours ahead of Washington DC.

  • For a smooth journey, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This way, you can comfortably board your IAD to SIN flight.

  • During popular months like April, you'll want to get to the airport earlier than usual. Arrive two hours before domestic departures and four hours ahead for an international flight when you fly during peak periods in general.

  • We make it simple to book a flight with a stopover. To see your options for tickets from Washington Dulles International Airport to Changi International Airport, uncheck 'Direct flights only.' Then, pick a flight offering a stop long enough to explore your chosen city. Worthwhile stopovers between IAD and SIN include:

    • Beijing Capital International Airport

    • Newark Liberty International Airport

    • Haneda Airport

How to find the cheapest flights from Washington Dulles International Airport (IAD) to Changi International Airport (SIN)

  • At the moment, ر.ق.‏ 1,654 is the cheapest price we've found for a one-way Washington Dulles International Airport to Changi International Airport flight. The best price for a return ticket is ر.ق.‏ 3,202. Remember that fares may change due to availability at the time of booking.

  • It's a good idea to book as early as possible if you're hoping to get cheap tickets from IAD to SIN. That's because airlines change prices based on demand, which tends to rise closer to departure.

  • If you're flexible with your travel plans, use the 'Whole month' search tool. It'll show you the cheapest price in each month when searching for a flight from Washington Dulles International Airport to Changi International Airport.

  • Finding cheap flights from IAD to SIN is a breeze with Price Alerts. Simply create one of these automatic alerts and we'll get in touch as soon as a lower fare pops up.

  • Discover the right flight for you with the help of the filters. To see the 'Best,' 'Fastest' or 'Cheapest' flights from Washington Dulles International Airport to Changi International Airport, use the 'Sort by' tool. You can also filter by arrival and departure times, airline, and number of stops.

Handy information about Washington Dulles International Airport (IAD)

  • The address for IAD is 1 Saarinen Circle.

  • 74.39% of flights departing from Washington Dulles International Airport land at their destination on time.

  • Central Washington DC to Washington Dulles International Airport is around 56 kilometres. Depending on traffic, it'll take you about 50 minutes to get there if you're driving, ride-sharing or catching a cab.

  • Planning to catch public transport? You can expect a journey time of around 3 hours 25 minutes.

  • Catching an early flight from Washington Dulles International Airport to Changi International Airport? Avoid the hassle of rushing to the airport (and catch some extra z's) by choosing one of these stays close to IAD:

Arriving at Changi International Airport (SIN)

  • The last thing you need is a lengthy trip to your hotel if you're getting in late on a Washington Dulles International Airport to Changi International Airport flight. Check in to one of these accommodation options near SIN instead:

  • Fast-track your adventure by picking up a Changi International Airport rental car. Grab your wheels from Avis, Sixt or Green Motion to explore Singapore and beyond.

  • Booking your vehicle from Changi International Airport about two weeks ahead can help you get the best possible rate.

Getting from Changi International Airport (SIN) to central Singapore

  • Changi International Airport to the centre of Singapore has a drive time of about 20 minutes. It's approximately 21 kilometres away.

  • If you're travelling by public transport, expect a journey of about 1 hour.

When to fly to Changi International Airport (SIN)

  • It's time to work out your travel dates for your flight from Washington Dulles International Airport to Changi International Airport. April is the most popular month to visit Singapore. If you'd like a more low-key vibe, go in February.

  • The warmest month in Singapore is May, with the temperature ranging between 25ºC and 31ºC. Book your flights from Washington Dulles International Airport to Changi International Airport in this month if you enjoy this type of weather.

  • Look for cheap tickets from IAD to SIN in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between 24ºC and 30ºC on average.

Plan the rest of your trip from Washington D.C. to Singapore

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.