$631 Cheap Flights from Xi'an (XIY) to Washington (IAD)

View $631 flight on Sun, Nov 16, 2025Opens in a new window

Popular airlines from Xi'an (XIY-Xianyang Intl.) to Washington Dulles Intl. Airport (IAD)

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
    trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Xi'an to Washington (XIY-IAD)

Prices were available within the past 7 days and start at $631 for one-way flights and $1,244 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air China
Wed, Dec 24 - Thu, Jan 1
XIY
Xi'an
IAD
Washington
$1,244 Roundtrip, found 12 hours ago
$1,244
Roundtrip
found 12 hours ago
Select Air China flight, departing Wed, Dec 24 from Xi'an to Washington, returning Thu, Jan 1, priced at $1,244 found 12 hours ago
Korean Air
Tue, Dec 2 - Fri, Dec 5
XIY
Xi'an
IAD
Washington
$1,270 Roundtrip, found 5 days ago
$1,270
Roundtrip
found 5 days ago
Select Korean Air flight, departing Tue, Dec 2 from Xi'an to Washington, returning Fri, Dec 5, priced at $1,270 found 5 days ago
Korean Air
Fri, Dec 19 - Thu, Jan 1
XIY
Xi'an
IAD
Washington
$1,271 Roundtrip, found 12 hours ago
$1,271
Roundtrip
found 12 hours ago
Select Korean Air flight, departing Fri, Dec 19 from Xi'an to Washington, returning Thu, Jan 1, priced at $1,271 found 12 hours ago
Korean Air
Sun, Dec 7 - Tue, Dec 9
XIY
Xi'an
IAD
Washington
$1,340 Roundtrip, found 5 days ago
$1,340
Roundtrip
found 5 days ago
Select Korean Air flight, departing Sun, Dec 7 from Xi'an to Washington, returning Tue, Dec 9, priced at $1,340 found 5 days ago
Korean Air
Sun, Dec 21 - Thu, Jan 1
XIY
Xi'an
IAD
Washington
$1,341 Roundtrip, found 12 hours ago
$1,341
Roundtrip
found 12 hours ago
Select Korean Air flight, departing Sun, Dec 21 from Xi'an to Washington, returning Thu, Jan 1, priced at $1,341 found 12 hours ago
Air China
Fri, Oct 31 - Fri, Nov 7
XIY
Xi'an
IAD
Washington
$1,349 Roundtrip, found 4 days ago
$1,349
Roundtrip
found 4 days ago
Select Air China flight, departing Fri, Oct 31 from Xi'an to Washington, returning Fri, Nov 7, priced at $1,349 found 4 days ago
Korean Air
Fri, Dec 19 - Wed, Dec 31
XIY
Xi'an
IAD
Washington
$1,369 Roundtrip, found 12 hours ago
$1,369
Roundtrip
found 12 hours ago
Select Korean Air flight, departing Fri, Dec 19 from Xi'an to Washington, returning Wed, Dec 31, priced at $1,369 found 12 hours ago
Asiana Airlines
Thu, Dec 18 - Tue, Jan 6
XIY
Xi'an
IAD
Washington
$1,425 Roundtrip, found 4 days ago
$1,425
Roundtrip
found 4 days ago
Select Asiana Airlines flight, departing Thu, Dec 18 from Xi'an to Washington, returning Tue, Jan 6, priced at $1,425 found 4 days ago
Shenzhen Airlines
Thu, Dec 18 - Tue, Jan 6
XIY
Xi'an
IAD
Washington
$1,435 Roundtrip, found 4 days ago
$1,435
Roundtrip
found 4 days ago
Select Shenzhen Airlines flight, departing Thu, Dec 18 from Xi'an to Washington, returning Tue, Jan 6, priced at $1,435 found 4 days ago
Lufthansa
Sun, Feb 8 - Sun, Feb 15
XIY
Xi'an
IAD
Washington
$1,503 Roundtrip, found 12 hours ago
$1,503
Roundtrip
found 12 hours ago
Select Lufthansa flight, departing Sun, Feb 8 from Xi'an to Washington, returning Sun, Feb 15, priced at $1,503 found 12 hours ago

Frequently asked questions

How much does a flight from Xianyang Intl. Airport (XIY) to Washington Dulles Intl. Airport (IAD) cost?
Lock in a cheap one-way flight from $631 or cheap return flight from $1,244 from Xianyang Intl. Airport (XIY) to Washington Dulles Intl. Airport (IAD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Xianyang Intl. Airport (XIY) to Washington Dulles Intl. Airport (IAD)?
The cheapest month to fly from XIY to IAD is December, when there's less demand. Off-peak season is often when airlines offer better prices between these airports.
What is the cheapest airline that flies from Xianyang Intl. Airport (XIY) to Washington Dulles Intl. Airport (IAD)?
Use the filters on Expedia to compare airlines and find the cheapest carrier that'll fly you from XIY to IAD. Then, sort your results by "Price (lowest to highest)" to score the best deal available.
How many flights per day from Xianyang Intl. Airport (XIY) to Washington Dulles Intl. Airport (IAD)?
Direct flights from Xianyang Intl. Airport (XIY) to Washington Dulles Intl. Airport (IAD) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from XIY to IAD?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Xianyang Intl. Airport (XIY) to Washington Dulles Intl. Airport (IAD)?
Select a flight from Xianyang Intl. Airport (XIY) to Washington Dulles Intl. Airport (IAD) that takes off before 3 PM to reduce the likelihood of delays and cancellations. Later departures are on average 22% more likely to be canceled.**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.
Is it cheaper to buy a plane ticket from Xianyang Intl. Airport (XIY) to Washington Dulles Intl. Airport (IAD) last-minute?
Booking your flight from XIY to IAD shortly before your getaway is typically more expensive. However, if you're flexible with your schedule, you could bag a cheap last-minute fare.
Is it cheaper to book a XIY to IAD flight and hotel package?
Booking a XIY to IAD flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Choose from our extensive range of stays and then add activities, car rentals and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Xianyang Intl. Airport (XIY) to Washington Dulles Intl. Airport (IAD)?
It's usually possible to reschedule or cancel your XIY to IAD flight. However, for bookings made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Xianyang Intl.
Destination airport
Washington Dulles Intl.
Roundtrip price
$1,244
Distance
7349 mi

Book with confidence

Xi'an to Washington Flights

The cheapest times to fly from Xi'an 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 Xi'an to Washington are during the month of December. You can find some of the cheapest flights from Xi'an to Washington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Xi'an to Washington

Sunday is one of the best days to book for cheap flights from Xi'an 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 Xi'an 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 Xi'an to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $631 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 Xi'an 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 Xi'an 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.

 

Xi'an to Washington Flights

Explore a world of travel with Expedia

*Available to One Key members.