$704 Cheap Flights from Chicago (ORD) to Thanh Hoa (THD)

View $704 flight on Mon, Jan 12, 2026Opens in a new window

Popular airlines from Chicago O'Hare Intl. Airport (ORD) to Thanh Hoa (THD-Tho Xuan)

Cheap Flights from Chicago to Thanh Hoa (ORD-THD)

Prices were available within the past 7 days and start at $704 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Black Friday Sale

Limited-time deals: Save up to 50% on select hotels.
Book now
Flights from Chicago (ORD) to Thanh Hoa (THD)
Origin airport
O'Hare Intl.
Destination airport
Tho Xuan
Distance
8076 mi

Chicago to Thanh Hoa Flights

The cheapest times to fly from Chicago to Thanh Hoa

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 Chicago to Thanh Hoa are during the month of . You can find some of the cheapest flights from Chicago to Thanh Hoa with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Chicago to Thanh Hoa

Sunday is one of the best days to book for cheap flights from Chicago to Thanh Hoa: 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 Chicago to Thanh Hoa

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 Chicago to Thanh Hoa in 2025. You can also book with separate airlines for your outbound and return journeys, from $704 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 Chicago to Thanh Hoa 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 Chicago to Thanh Hoa 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 O'Hare Intl. Airport (ORD) to Tho Xuan Airport (THD) cost?
Grab a cheap one-way flight from $704 or cheap return flight from O'Hare Intl. Airport (ORD) to Tho Xuan Airport (THD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from O'Hare Intl. Airport (ORD) to Tho Xuan Airport (THD)?
is the most affordable month to fly from ORD to THD. Timing your trip outside of the busy season is often the key to scoring lower fares.
What is the cheapest airline that flies from O'Hare Intl. Airport (ORD) to Tho Xuan Airport (THD)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll fly you from ORD to THD. Then, sort your results by "Price (lowest to highest)" to pick up a great deal.
How many flights per day from O'Hare Intl. Airport (ORD) to Tho Xuan Airport (THD)?
There aren't any daily nonstop flights available from O'Hare Intl. Airport (ORD) to Tho Xuan Airport (THD). But you can opt for flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be on your way in no time at all.
What day of the week has the most flights from ORD to THD?
Generally you'll find the widest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can change based on the season, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from O'Hare Intl. Airport (ORD) to Tho Xuan Airport (THD)?
To avoid possible delays on the O'Hare Intl. Airport (ORD) to Tho Xuan Airport (THD) route, aim to travel before 3 PM. Later departures have a 22% higher chance of cancellation.**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 O'Hare Intl. Airport (ORD) to Tho Xuan Airport (THD) last-minute?
Last-minute bookings from ORD to THD are generally more expensive. To secure the lowest rates, start looking for flights well in advance. That being said, if you're flexible with your travel dates, it's possible to find a cheap ticket right before you leave.
Is it cheaper to book an ORD to THD flight and hotel package?
Opting for an ORD to THD flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Choose from our impressive range of accommodations and then add flights, activities and car rentals 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 O'Hare Intl. Airport (ORD) to Tho Xuan Airport (THD)?
Generally, it's possible to reschedule or cancel your ORD to THD flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more information on our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.