$943 Cheap Flights from Iwakuni (IWK) to Greenville (GSP)

View $943 flight on Thu, Dec 18, 2025Opens in a new window

Popular airlines from Iwakuni Airport (IWK) to Greenville-Spartanburg Intl. Airport (GSP)

Cheap Flights from Iwakuni to Greenville (IWK-GSP)

Prices were available within the past 7 days and start at $943 for one-way flights and $1,232 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

All Nippon Airways
Mon, Dec 15 - Tue, Jan 6
IWK
Iwakuni
GSP
Greenville
$1,232 Roundtrip, found 1 day ago
$1,232
Roundtrip
found 1 day ago
Select All Nippon Airways flight, departing Mon, Dec 15 from Iwakuni to Greenville, returning Tue, Jan 6, priced at $1,232 found 1 day ago
All Nippon Airways
Thu, Dec 18 - Mon, Jan 12
IWK
Iwakuni
GSP
Greenville
$1,234 Roundtrip, found 2 days ago
$1,234
Roundtrip
found 2 days ago
Select All Nippon Airways flight, departing Thu, Dec 18 from Iwakuni to Greenville, returning Mon, Jan 12, priced at $1,234 found 2 days ago
All Nippon Airways
Thu, Dec 18 - Mon, Jan 12
IWK
Iwakuni
GSP
Greenville
$1,240 Roundtrip, found 2 days ago
$1,240
Roundtrip
found 2 days ago
Select All Nippon Airways flight, departing Thu, Dec 18 from Iwakuni to Greenville, returning Mon, Jan 12, priced at $1,240 found 2 days ago
All Nippon Airways
Thu, Dec 18 - Mon, Jan 12
IWK
Iwakuni
GSP
Greenville
$1,241 Roundtrip, found 2 days ago
$1,241
Roundtrip
found 2 days ago
Select All Nippon Airways flight, departing Thu, Dec 18 from Iwakuni to Greenville, returning Mon, Jan 12, priced at $1,241 found 2 days ago
All Nippon Airways
Thu, Dec 18 - Mon, Jan 12
IWK
Iwakuni
GSP
Greenville
$1,246 Roundtrip, found 2 days ago
$1,246
Roundtrip
found 2 days ago
Select All Nippon Airways flight, departing Thu, Dec 18 from Iwakuni to Greenville, returning Mon, Jan 12, priced at $1,246 found 2 days ago
All Nippon Airways
Thu, Dec 18 - Mon, Jan 12
IWK
Iwakuni
GSP
Greenville
$1,247 Roundtrip, found 2 days ago
$1,247
Roundtrip
found 2 days ago
Select All Nippon Airways flight, departing Thu, Dec 18 from Iwakuni to Greenville, returning Mon, Jan 12, priced at $1,247 found 2 days ago
All Nippon Airways
Thu, Dec 18 - Mon, Jan 12
IWK
Iwakuni
GSP
Greenville
$1,249 Roundtrip, found 2 days ago
$1,249
Roundtrip
found 2 days ago
Select All Nippon Airways flight, departing Thu, Dec 18 from Iwakuni to Greenville, returning Mon, Jan 12, priced at $1,249 found 2 days ago
All Nippon Airways
Sun, Feb 1 - Mon, Feb 16
IWK
Iwakuni
GSP
Greenville
$1,252 Roundtrip, found 1 day ago
$1,252
Roundtrip
found 1 day ago
Select All Nippon Airways flight, departing Sun, Feb 1 from Iwakuni to Greenville, returning Mon, Feb 16, priced at $1,252 found 1 day ago
All Nippon Airways
Tue, Dec 16 - Sat, Jan 10
IWK
Iwakuni
GSP
Greenville
$1,253 Roundtrip, found 2 days ago
$1,253
Roundtrip
found 2 days ago
Select All Nippon Airways flight, departing Tue, Dec 16 from Iwakuni to Greenville, returning Sat, Jan 10, priced at $1,253 found 2 days ago
United
Wed, Jan 14 - Mon, Jan 26
IWK
Iwakuni
GSP
Greenville
$1,672 Roundtrip, found 1 day ago
$1,672
Roundtrip
found 1 day ago
Select United flight, departing Wed, Jan 14 from Iwakuni to Greenville, returning Mon, Jan 26, priced at $1,672 found 1 day ago

Frequently asked questions

How much does a flight from Iwakuni Airport (IWK) to Greenville-Spartanburg Intl. Airport (GSP) cost?
Snag a cheap one-way flight from $943 or cheap return flight from $1,232 from Iwakuni Airport (IWK) to Greenville-Spartanburg Intl. Airport (GSP) 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 Iwakuni Airport (IWK) to Greenville-Spartanburg Intl. Airport (GSP)?
The cheapest month to fly from IWK to GSP is December, when there's less demand. Off-peak season is often when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Iwakuni Airport (IWK) to Greenville-Spartanburg Intl. Airport (GSP)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest IWK to GSP flight.
How many flights per day from Iwakuni Airport (IWK) to Greenville-Spartanburg Intl. Airport (GSP)?
Nonstop flights from Iwakuni Airport (IWK) to Greenville-Spartanburg Intl. Airport (GSP) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from IWK to GSP?
Usually you'll find the greatest selection of flight options on a Friday. Tuesdays tend to be the quietest.* However, this can change based on the time of year, 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 Iwakuni Airport (IWK) to Greenville-Spartanburg Intl. Airport (GSP)?
To touch down at Greenville-Spartanburg Intl. Airport (GSP) on schedule, choose a flight that leaves from Iwakuni Airport (IWK) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Iwakuni Airport (IWK) to Greenville-Spartanburg Intl. Airport (GSP) last-minute?
Waiting until just before your departure to book a flight from IWK to GSP generally means paying more. While you might find some last-minute discounts, they're not always guaranteed. Keep your travel plans flexible to boost your chances of snagging a bargain.
Is it cheaper to book an IWK to GSP flight and hotel package?
Compared with arranging hotels and flights separately, booking an IWK to GSP flight and hotel package with Expedia could lead to significant savings. Better still, managing everything in one place will take the hassle out of travel planning. Simply pick your flights and choose from our wide range of hotels, then customize your trip with other add-ons like activities and car rentals.
Can I cancel or change the date of my flight from Iwakuni Airport (IWK) to Greenville-Spartanburg Intl. Airport (GSP)?
If you booked your IWK to GSP flight in the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more information.

Travel information

Origin airport
Iwakuni
Destination airport
Greenville-Spartanburg Intl.
Airlines serving
All Nippon Airways, United
Roundtrip price
$1,231
Distance
7171 mi

Book with confidence

Iwakuni to Greenville Flights

The cheapest times to fly from Iwakuni to Greenville

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

 

The best time to book a flight from Iwakuni to Greenville

Sunday is one of the best days to book for cheap flights from Iwakuni to Greenville: 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 Iwakuni to Greenville

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 Iwakuni to Greenville in 2025. You can also book with separate airlines for your outbound and return journeys, from $943 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 Iwakuni to Greenville 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 Iwakuni to Greenville 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.

 

Iwakuni to Greenville Flights

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*Available to One Key members.