$578 Cheap Flights from Boise (BOI) to Xi'an (XIY)

View $578 flight on Fri, Sep 12, 2025Opens in a new window

Popular airlines from Boise Airport (BOI) to Xi'an (XIY-Xianyang Intl.)

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Cheap Flights from Boise to Xi'an (BOI-XIY)

Prices were available within the past 7 days and start at $578 for one-way flights and $959 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Wed, Oct 15 - Mon, Nov 3
BOI
Boise
XIY
Xi'an
$959 Roundtrip, found 20 hours ago
$959
Roundtrip
found 20 hours ago
Select Alaska Airlines flight, departing Wed, Oct 15 from Boise to Xi'an, returning Mon, Nov 3, priced at $959 found 20 hours ago
Alaska Airlines
Sat, Oct 18 - Mon, Nov 3
BOI
Boise
XIY
Xi'an
$979 Roundtrip, found 20 hours ago
$979
Roundtrip
found 20 hours ago
Select Alaska Airlines flight, departing Sat, Oct 18 from Boise to Xi'an, returning Mon, Nov 3, priced at $979 found 20 hours ago
Alaska Airlines
Fri, Sep 12 - Fri, Sep 19
BOI
Boise
XIY
Xi'an
$1,054 Roundtrip, found 6 days ago
$1,054
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Fri, Sep 12 from Boise to Xi'an, returning Fri, Sep 19, priced at $1,054 found 6 days ago
Alaska Airlines
Fri, Sep 12 - Fri, Sep 19
BOI
Boise
XIY
Xi'an
$1,099 Roundtrip, found 6 days ago
$1,099
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Fri, Sep 12 from Boise to Xi'an, returning Fri, Sep 19, priced at $1,099 found 6 days ago
Alaska Airlines
Sun, Sep 14 - Fri, Sep 19
BOI
Boise
XIY
Xi'an
$1,101 Roundtrip, found 6 days ago
$1,101
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sun, Sep 14 from Boise to Xi'an, returning Fri, Sep 19, priced at $1,101 found 6 days ago
Alaska Airlines
Fri, Sep 12 - Fri, Sep 19
BOI
Boise
XIY
Xi'an
$1,114 Roundtrip, found 6 days ago
$1,114
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Fri, Sep 12 from Boise to Xi'an, returning Fri, Sep 19, priced at $1,114 found 6 days ago
Alaska Airlines
Fri, Sep 12 - Fri, Sep 19
BOI
Boise
XIY
Xi'an
$1,117 Roundtrip, found 6 days ago
$1,117
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Fri, Sep 12 from Boise to Xi'an, returning Fri, Sep 19, priced at $1,117 found 6 days ago
Delta
Wed, Oct 15 - Wed, Oct 29
BOI
Boise
XIY
Xi'an
$1,136 Roundtrip, found 20 hours ago
$1,136
Roundtrip
found 20 hours ago
Select Delta flight, departing Wed, Oct 15 from Boise to Xi'an, returning Wed, Oct 29, priced at $1,136 found 20 hours ago
Korean Air
Wed, Oct 15 - Wed, Oct 29
BOI
Boise
XIY
Xi'an
$1,200 Roundtrip, found 20 hours ago
$1,200
Roundtrip
found 20 hours ago
Select Korean Air flight, departing Wed, Oct 15 from Boise to Xi'an, returning Wed, Oct 29, priced at $1,200 found 20 hours ago
United
Wed, Oct 15 - Wed, Oct 29
BOI
Boise
XIY
Xi'an
$2,215 Roundtrip, found 20 hours ago
$2,215
Roundtrip
found 20 hours ago
Select United flight, departing Wed, Oct 15 from Boise to Xi'an, returning Wed, Oct 29, priced at $2,215 found 20 hours ago
Flights from Boise (BOI) to Xi'an (XIY)
Origin airport
Boise
Destination airport
Xianyang Intl.
Airlines serving
Korean Air, United
Roundtrip price
$959
Distance
6348 mi

Boise to Xi'an Flights

The cheapest times to fly from Boise to Xi'an

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 Boise to Xi'an are during the month of October. You can find some of the cheapest flights from Boise to Xi'an with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Boise to Xi'an: 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 Boise to Xi'an

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 Boise to Xi'an in 2025. You can also book with separate airlines for your outbound and return journeys, from $578 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 Boise to Xi'an 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 Boise to Xi'an 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 Boise Airport (BOI) to Xianyang Intl. Airport (XIY) cost?
Lock in a cheap one-way flight from $578 or cheap return flight from $959 from Boise Airport (BOI) to Xianyang Intl. Airport (XIY) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Boise Airport (BOI) to Xianyang Intl. Airport (XIY)?
October is the cheapest month to fly from BOI to XIY. Traveling outside of peak seasons is often the key to scoring lower fares.
What is the cheapest airline that flies from Boise Airport (BOI) to Xianyang Intl. Airport (XIY)?
To find the cheapest airline flying from BOI to XIY, use Expedia's filter tool. Customize your search based on your travel needs, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Boise Airport (BOI) to Xianyang Intl. Airport (XIY)?
There aren't any daily nonstop flights from Boise Airport (BOI) to Xianyang Intl. Airport (XIY). But you can choose flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be cruising above the clouds in no time at all.
What day of the week has the most flights from BOI to XIY?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can vary depending on various factors, such as the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Boise Airport (BOI) to Xianyang Intl. Airport (XIY)?
To avoid potential delays on the Boise Airport (BOI) to Xianyang Intl. Airport (XIY) route, aim to travel before 3 PM. Departures after this time have a 22% higher chance of being 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 Boise Airport (BOI) to Xianyang Intl. Airport (XIY) last-minute?
Last-minute bookings from BOI to XIY are usually more expensive. To lock in the best rates, start looking for flights as early as possible. That said, if you're flexible with your travel dates, it's possible to score a cheap ticket right before your trip.
Is it cheaper to book a BOI to XIY flight and hotel package?
Securing a BOI to XIY flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Pick from our extensive range of stays and then add flights, car rentals and activities 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 Boise Airport (BOI) to Xianyang Intl. Airport (XIY)?
If you booked your BOI to XIY flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for further details.

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*Available to One Key members.