$671 Cheap Flights from Houston (IAH) to Okayama (OKJ)

View $671 flight on Sun, Oct 19, 2025Opens in a new window

Popular airlines from George Bush Intercontinental Airport (IAH) to Okayama Airport (OKJ)

Cheap Flights from Houston to Okayama (IAH-OKJ)

Prices were available within the past 7 days and start at $671 for one-way flights and $1,165 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Sun, Oct 19 - Thu, Oct 23
IAH
Houston
OKJ
Okayama
$1,165 Roundtrip, found 6 days ago
$1,165
Roundtrip
found 6 days ago
Select Air Canada flight, departing Sun, Oct 19 from Houston to Okayama, returning Thu, Oct 23, priced at $1,165 found 6 days ago
Air Canada
Sun, Oct 19 - Thu, Oct 23
IAH
Houston
OKJ
Okayama
$1,191 Roundtrip, found 6 days ago
$1,191
Roundtrip
found 6 days ago
Select Air Canada flight, departing Sun, Oct 19 from Houston to Okayama, returning Thu, Oct 23, priced at $1,191 found 6 days ago
Air Canada
Sun, Oct 19 - Thu, Oct 23
IAH
Houston
OKJ
Okayama
$1,223 Roundtrip, found 6 days ago
$1,223
Roundtrip
found 6 days ago
Select Air Canada flight, departing Sun, Oct 19 from Houston to Okayama, returning Thu, Oct 23, priced at $1,223 found 6 days ago
Air Canada
Sun, Oct 19 - Thu, Oct 23
IAH
Houston
OKJ
Okayama
$1,354 Roundtrip, found 6 days ago
$1,354
Roundtrip
found 6 days ago
Select Air Canada flight, departing Sun, Oct 19 from Houston to Okayama, returning Thu, Oct 23, priced at $1,354 found 6 days ago
All Nippon Airways
Sun, Oct 19 - Thu, Oct 23
IAH
Houston
OKJ
Okayama
$1,707 Roundtrip, found 6 days ago
$1,707
Roundtrip
found 6 days ago
Select All Nippon Airways flight, departing Sun, Oct 19 from Houston to Okayama, returning Thu, Oct 23, priced at $1,707 found 6 days ago
All Nippon Airways
Sun, Oct 19 - Thu, Oct 23
IAH
Houston
OKJ
Okayama
$1,807 Roundtrip, found 6 days ago
$1,807
Roundtrip
found 6 days ago
Select All Nippon Airways flight, departing Sun, Oct 19 from Houston to Okayama, returning Thu, Oct 23, priced at $1,807 found 6 days ago
Japan Airlines
Sun, Oct 19 - Thu, Oct 23
IAH
Houston
OKJ
Okayama
$1,869 Roundtrip, found 6 days ago
$1,869
Roundtrip
found 6 days ago
Select Japan Airlines flight, departing Sun, Oct 19 from Houston to Okayama, returning Thu, Oct 23, priced at $1,869 found 6 days ago
Japan Airlines
Sun, Oct 19 - Thu, Oct 23
IAH
Houston
OKJ
Okayama
$1,876 Roundtrip, found 6 days ago
$1,876
Roundtrip
found 6 days ago
Select Japan Airlines flight, departing Sun, Oct 19 from Houston to Okayama, returning Thu, Oct 23, priced at $1,876 found 6 days ago
Japan Airlines
Sun, Oct 19 - Thu, Oct 23
IAH
Houston
OKJ
Okayama
$1,889 Roundtrip, found 6 days ago
$1,889
Roundtrip
found 6 days ago
Select Japan Airlines flight, departing Sun, Oct 19 from Houston to Okayama, returning Thu, Oct 23, priced at $1,889 found 6 days ago
Lufthansa
Sun, Oct 19 - Thu, Oct 23
IAH
Houston
OKJ
Okayama
$3,762 Roundtrip, found 6 days ago
$3,762
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Sun, Oct 19 from Houston to Okayama, returning Thu, Oct 23, priced at $3,762 found 6 days ago
Flights from Houston (IAH) to Okayama (OKJ)
Origin airport
George Bush Intercontinental
Destination airport
Okayama
Roundtrip price
$1,164
Distance
6934 mi

Houston to Okayama Flights

The cheapest times to fly from Houston to Okayama

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

 

The best time to book a flight from Houston to Okayama

Sunday is one of the best days to book for cheap flights from Houston to Okayama: 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 Houston to Okayama

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 Houston to Okayama in 2025. You can also book with separate airlines for your outbound and return journeys, from $671 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 Houston to Okayama 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 Houston to Okayama 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 George Bush Intercontinental Airport (IAH) to Okayama Airport (OKJ) cost?
Lock in a cheap one-way flight from $671 or cheap return flight from $1,165 from George Bush Intercontinental Airport (IAH) to Okayama Airport (OKJ) 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 George Bush Intercontinental Airport (IAH) to Okayama Airport (OKJ)?
October is the cheapest month to fly from IAH to OKJ. Timing your trip outside of the busy season is often the key to scoring lower fares.
What is the cheapest airline that flies from George Bush Intercontinental Airport (IAH) to Okayama Airport (OKJ)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll fly you from IAH to OKJ. Then, sort your results by "Price (lowest to highest)" to pick up the best deal available.
How many flights per day from George Bush Intercontinental Airport (IAH) to Okayama Airport (OKJ)?
There aren't any daily nonstop flights available from George Bush Intercontinental Airport (IAH) to Okayama Airport (OKJ). But you can opt for flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from IAH to OKJ?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change depending on a range of 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 George Bush Intercontinental Airport (IAH) to Okayama Airport (OKJ)?
Book a flight from George Bush Intercontinental Airport (IAH) to Okayama Airport (OKJ) that takes off before 3 PM to reduce the risk of cancellations and delays. Departures after this hour have a 22% higher chance of being canceled, on average.**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 George Bush Intercontinental Airport (IAH) to Okayama Airport (OKJ) last-minute?
Waiting until just before your trip to book a flight from IAH to OKJ generally means paying more. While you might find some last-minute deals, they're not always guaranteed. Keep your travel plans flexible to boost your chances of snagging a bargain.
Is it cheaper to book an IAH to OKJ flight and hotel package?
You'll typically save money by booking an IAH to OKJ flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. Once you've selected your preferred accommodations and flights, consider adding extras such as tours, car rentals and activities.
Can I cancel or change the date of my flight from George Bush Intercontinental Airport (IAH) to Okayama Airport (OKJ)?
You can usually cancel or reschedule your IAH to OKJ flight. However, if the booking was made more than 24 hours ago, additional charges 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.

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*Available to One Key members.