Cheap flights from Singapore to Washington, D.C. Dulles Intl Airport from $396
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Singapore to Washington, D.C. Dulles Intl Airport departing on 4/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Singapore to Washington, D.C.
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Air Canada flights from Singapore to Washington, D.C. Dulles Intl Airport
Our best Air Canada deals on Singapore to Washington, D.C. Dulles Intl Airport flight tickets
Air India flights from Singapore to Washington, D.C. Dulles Intl Airport
Our best Air India deals on Singapore to Washington, D.C. Dulles Intl Airport flight tickets
See travel insights to Washington, D.C. from
How to get the cheapest flight ticket from Singapore to Washington, D.C. Dulles Intl Airport
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?
In general, March is the cheapest month to fly from Singapore to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,167. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of March, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $1,173.
What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?
Our data shows that Saturday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $704. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Singapore to Washington, D.C. Dulles Intl Airport for around $1,492.
What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?
Flying to Washington, D.C. Dulles Intl Airport from Singapore in the morning is the least expensive time of day to depart. momondo users have found prices as low as $1,114 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,372 on average. Flights to Washington, D.C. Dulles Intl Airport from Singapore in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.
How far in advance should I book a flight to Washington, D.C. Dulles Intl Airport?
You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Singapore when booking 8 weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $1,317 when searching 8 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Singapore for as low as $1,110 on momondo.
When to book flights from Singapore to Washington, D.C. Dulles Intl Airport
Cheap Singapore to Washington, D.C. Dulles Intl Airport (SIN to IAD) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Singapore to Washington, D.C. Dulles Intl Airport
How far is Singapore Changi to Washington, D.C. Dulles Intl by plane?
The distance between Singapore Changi and Washington, D.C. Dulles Intl is about 9647.6 mi. By plane, this route typically takes 22h 05m.
When did momondo last update prices for flights from Singapore Changi Airport to Washington, D.C. Dulles Intl Airport?
Prices for flights from Singapore Changi Airport to Washington, D.C. Dulles Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Singapore Changi Airport to Washington, D.C. Dulles Intl Airport?
As of April 2025, there are 2 operators available to choose from for flights from Singapore Changi Airport to Washington, D.C. Dulles Intl Airport.
How old do you have to be to fly from Singapore Changi Airport to Washington, D.C. Dulles Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Singapore Changi Airport to Washington, D.C. Dulles Intl Airport.
What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?
The travel and health documents required for your trip to Washington, D.C. Dulles Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C. Dulles Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Singapore to Washington, D.C. Dulles Intl Airport?
momondo data reveals that the most frequently booked airline on the route from Singapore to Washington, D.C. Dulles Intl Airport is Qatar Airways, representing 54% of all bookings. The subsequent popular airline is United Airlines at 46%.
Best airlines flying from Singapore to Washington, D.C. Dulles Intl Airport
Compare and see reviews for airlines that fly from Singapore to Washington, D.C. Dulles Intl Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $1,007 | Free Cancellation | Rating 7.4 8,615 reviews | |||
| PriceFrom $1,333 | Free Cancellation | Rating 7.4 3,541 reviews |
Traveling to a place near Washington, D.C.?
Book flights to Washington, D.C. if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Singapore to Washington, D.C.?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Singapore to Washington, D.C.. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Singapore to Washington, D.C. with flexible booking policies on momondo?
momondo does allow users to show only those flights to Washington, D.C. from Singapore which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Singapore to Washington, D.C.?
Once all potential Singapore to Washington, D.C. flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Singapore to Washington, D.C. right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Singapore to Washington, D.C. flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.