$722 Cheap Air India flights Singapore (SIN) to Washington (IAD)

View $722 flight on Sat, Oct 11, 2025Opens in a new window

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$722 Cheap Air India flights Singapore (SIN) to Washington (IAD)

Prices were available within the past 7 days and start at $722 for one-way flights and $1,086 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air India
Wed, Oct 1 - Wed, Oct 8
SIN
Singapore
IAD
Washington
$1,086 Roundtrip, found 3 days ago
$1,086
Roundtrip
found 3 days ago
Select Air India flight, departing Wed, Oct 1 from Singapore to Washington, returning Wed, Oct 8, priced at $1,086 found 3 days ago
Flights from Singapore (SIN) to Washington (IAD)
Origin airport
Changi
Destination airport
Washington Dulles Intl.
Airlines serving
Air Canada, Air France, Air India, All Nippon Airways, American Airlines, British Airways, Delta, Emirates, Etihad Airways, Japan Airlines, JetBlue Airways, KLM, Korean Air, Lufthansa, Qatar Airways, Singapore Airlines, Swiss International Air Lines, Turkish Airlines, United
Popular airline
Qatar Airways
Distance
9649 mi

Frequently asked questions

How much is an Air India flight from Changi Airport (SIN) to Washington Dulles Intl. Airport (IAD)?
Landing cheap one-way Air India flights from SIN to IAD from $722 on Expedia is simple --- just filter by "Price (lowest to highest)." Alternatively, check out our affordable return fares from $1,086 for your next exciting getaway.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from SIN to IAD with Air India?
Air India flights to Washington are usually more affordable in the low-season months of January and February. Whether you're after a one-way or a return ticket, you could find a better deal then.
What is the cheapest time to book flights from Changi Airport (SIN) to Washington Dulles Intl. Airport (IAD) with Air India?
Getting the best Air India deals from SIN to IAD often comes down to booking at the right moment. You can save 17% on international flights when you book 18 to 29 days before takeoff instead of four to five months ahead. To top it off, you can pocket 17% on average by buying your tickets on a Sunday compared to a Friday, which is usually the most expensive day to book.* It's a good idea to start searching for flights about one month before you plan to travel.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Air India fly nonstop from Changi Airport (SIN) to Washington Dulles Intl. Airport (IAD)?
To see if there's a direct journey from SIN to IAD with Air India or another carrier, select the "Nonstop" filter when searching for tickets.
What is the earliest Air India flight from SIN to IAD?
To find the earliest departures from SIN to IAD with Air India, filter your results by "Early Morning" and "Morning." Booking an early flight usually means cancellations are less likely.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Air India fly into in Washington?
Washington Dulles Intl. Airport (IAD) is the primary Washington hub for Air India flights from Changi Airport (SIN).
What kind of luggage can I take on an Air India flight from Changi Airport (SIN) to Washington Dulles Intl. Airport (IAD)?
You're permitted 1 cabin bag weighing up to 26 lb and dimensions no larger than 21 inches x 9 inches x 13 inches. You can also bring a small personal item with you when flying standard economy from SIN to IAD with Air India. Luggage restrictions may vary by ticket type and cabin class, so check Air India's website to avoid any unexpected fees at the airport.
Why fly with Air India from SIN to IAD?
Depart from SIN to IAD with Air India and you can look forward to a range of benefits including a rewarding loyalty program. When booking through Expedia as an Air India Flying Returns and One Key™ member, you may also earn OneKeyCash™* to redeem on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Air India flight from Changi Airport (SIN) to Washington Dulles Intl. Airport (IAD)?
Depending on the type of ticket you purchased, a fee may apply if you change or cancel your flight more than 24 hours after it's confirmed. To secure tickets with more flexibility, select our "No cancel fee" or "Changes included" filter when you look for flights. For more information on changing or canceling your reservation, go to "Trips," select your flight and click on "Manage Booking."

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*Available to One Key members.