$394 Cheap Flights from Delhi (DEL) to Washington (IAD)

Popular airlines from Indira Gandhi International Airport (DEL) to Washington Dulles Intl. Airport (IAD)

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Cheap Flights from Delhi to Washington (DEL-IAD)

Prices were available within the past 7 days and start at $394 for one-way flights and $669 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air India
Etihad Airways
Delta
Virgin Atlantic
KLM
Turkish Airlines
Qatar Airways
British Airways
Emirates
Swiss International Air Lines

Find the cheapest month to fly from New Delhi (DEL) to Washington (IAD)

February is typically the cheapest month to fly

From $745 - $1,100 per traveler.

Graph displaying average flight prices per month

Alternative airports near Washington

Prices were available within the past 7 days. Prices and availability are subject to change.

Flights from Delhi (DEL) to Washington (IAD)
Origin airport
Indira Gandhi Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
Air Canada, Air France, Air India, American Airlines, British Airways, Delta, EGYPTAIR, Emirates, Etihad Airways, ITA Airways, KLM, Lufthansa, Oman Air, Qatar Airways, Saudia, Swiss International Air Lines, Turkish Airlines, United, Virgin Atlantic
Roundtrip price
$668
Distance
7491 mi
Average flight time
19 hours 55 mins

Delhi to Washington Flights

The cheapest times to fly from Delhi to Washington

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Delhi to Washington are during the month of October. You can find some of the cheapest flights from Delhi to Washington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Delhi to Washington

Sunday is one of the best days to book for cheap flights from Delhi to Washington: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Delhi to Washington

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Delhi to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $394 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Delhi to Washington flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Delhi to Washington airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Indira Gandhi Intl. Airport (DEL) to Washington Dulles Intl. Airport (IAD) cost?
You can find cheap return tickets from Indira Gandhi Intl. Airport (DEL) to Washington Dulles Intl. Airport (IAD) starting at $670. Book a seat and take off on your trip. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Air India flight leaving DEL on July 25 2025 and touching down at IAD. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from DEL to IAD?
The cheapest flights from DEL to IAD are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Indira Gandhi Intl. Airport (DEL) to Washington Dulles Intl. Airport (IAD)?
Hop on a direct flight with Air India and journey straight from Indira Gandhi Intl. Airport (DEL) to Washington Dulles Intl. Airport (IAD).
What is the cheapest airline that flies from DEL to IAD?
With prices as low as $400 for a one-way journey from DEL to IAD, Air India is currently the cheapest carrier flying this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from DEL on October 17 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Indira Gandhi Intl. Airport (DEL) to Washington Dulles Intl. Airport (IAD)?
On average, there are 4 nonstop flights departing from Indira Gandhi Intl. Airport (DEL) to Washington Dulles Intl. Airport (IAD) every week. If you don't find one that suits your schedule, think about a flight that includes a layover. Customize your search on Expedia to include one or two stops and opt for the best alternative.
What are the most popular departure times for flights from Indira Gandhi Intl. Airport (DEL) to Washington Dulles Intl. Airport (IAD)?
Flights between DEL and IAD are their busiest at 1 AM. If you're after a quieter experience and possibly cheaper prices, choose a departure that's outside typical rush times.
What day of the week has the most flights from DEL to IAD?
If you depart on a Sunday, you'll get the greatest range of choices for flights from Indira Gandhi Intl. Airport (DEL) to Washington Dulles Intl. Airport (IAD).
What is the earliest flight from Indira Gandhi Intl. Airport (DEL) to Washington Dulles Intl. Airport (IAD)?
Take the earliest flight at around 1:55AM UTC+5, departing from Indira Gandhi Intl. Airport (DEL). You'll be in the air for roughly 15h 25m, touching down at Washington Dulles Intl. Airport (IAD) at approximately 6:50AM UTC-5.
How long does it take to fly from Indira Gandhi Intl. Airport (DEL) to Washington Dulles Intl. Airport (IAD)?
It takes roughly 15 hours and 25 minutes to cover the 7,500 mi from DEL to IAD.
What is the best time to fly from Indira Gandhi Intl. Airport (DEL) to Washington Dulles Intl. Airport (IAD)?
To touch down at Washington Dulles Intl. Airport (IAD) on time, pick a flight that leaves from Indira Gandhi Intl. Airport (DEL) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Washington from Indira Gandhi Intl. Airport (DEL)?
If you're traveling on a direct flight from Indira Gandhi Intl. Airport (DEL) to Washington, Washington Dulles Intl. Airport (IAD) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from Indira Gandhi Intl. Airport (DEL) to Washington Dulles Intl. Airport (IAD) last-minute?
Waiting until right before your break to book your flight from DEL to IAD often results in higher prices. Although you may find some last-minute discounts, they aren't always guaranteed. Keep your travel schedule open to maximize your chances of snagging a bargain.
Is it cheaper to book a DEL to IAD flight and hotel package?
Compared with arranging hotels and flights separately, booking a DEL to IAD flight and hotel package with Expedia could result in significant savings. What's more, managing everything in one place takes the hassle out of travel planning. Just secure your flights and choose from our wide range of stays, then personalize your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Indira Gandhi Intl. Airport (DEL) to Washington Dulles Intl. Airport (IAD)?
It's usually possible to reschedule or cancel your DEL to IAD flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more information on our Customer Service portal.

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