$499 Cheap Flights from Portland (PDX) to Iwakuni (IWK)

View $499 flight on Sat, Apr 18, 2026Opens in a new window

Popular airlines from Portland International Airport (PDX) to Iwakuni Airport (IWK)

    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 Portland to Iwakuni (PDX-IWK)

Prices were available within the past 7 days and start at $499 for one-way flights and $995 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

All Nippon Airways
Thu, Dec 11 - Fri, Dec 26
PDX
Portland
IWK
Iwakuni
$995 Roundtrip, found 4 days ago
$995
Roundtrip
found 4 days ago
Select All Nippon Airways flight, departing Thu, Dec 11 from Portland to Iwakuni, returning Fri, Dec 26, priced at $995 found 4 days ago
All Nippon Airways
Thu, Dec 11 - Fri, Dec 26
PDX
Portland
IWK
Iwakuni
$1,140 Roundtrip, found 4 days ago
$1,140
Roundtrip
found 4 days ago
Select All Nippon Airways flight, departing Thu, Dec 11 from Portland to Iwakuni, returning Fri, Dec 26, priced at $1,140 found 4 days ago
All Nippon Airways
Thu, Dec 11 - Fri, Dec 26
PDX
Portland
IWK
Iwakuni
$1,147 Roundtrip, found 4 days ago
$1,147
Roundtrip
found 4 days ago
Select All Nippon Airways flight, departing Thu, Dec 11 from Portland to Iwakuni, returning Fri, Dec 26, priced at $1,147 found 4 days ago
All Nippon Airways
Thu, Dec 11 - Fri, Dec 26
PDX
Portland
IWK
Iwakuni
$1,190 Roundtrip, found 4 days ago
$1,190
Roundtrip
found 4 days ago
Select All Nippon Airways flight, departing Thu, Dec 11 from Portland to Iwakuni, returning Fri, Dec 26, priced at $1,190 found 4 days ago
All Nippon Airways
Thu, Dec 11 - Fri, Dec 26
PDX
Portland
IWK
Iwakuni
$1,219 Roundtrip, found 4 days ago
$1,219
Roundtrip
found 4 days ago
Select All Nippon Airways flight, departing Thu, Dec 11 from Portland to Iwakuni, returning Fri, Dec 26, priced at $1,219 found 4 days ago
All Nippon Airways
Thu, Dec 11 - Fri, Dec 26
PDX
Portland
IWK
Iwakuni
$1,292 Roundtrip, found 4 days ago
$1,292
Roundtrip
found 4 days ago
Select All Nippon Airways flight, departing Thu, Dec 11 from Portland to Iwakuni, returning Fri, Dec 26, priced at $1,292 found 4 days ago
All Nippon Airways
Thu, Dec 11 - Fri, Dec 26
PDX
Portland
IWK
Iwakuni
$1,342 Roundtrip, found 4 days ago
$1,342
Roundtrip
found 4 days ago
Select All Nippon Airways flight, departing Thu, Dec 11 from Portland to Iwakuni, returning Fri, Dec 26, priced at $1,342 found 4 days ago
United
Sun, Mar 22 - Mon, Mar 30
PDX
Portland
IWK
Iwakuni
$1,357 Roundtrip, found 20 hours ago
$1,357
Roundtrip
found 20 hours ago
Select United flight, departing Sun, Mar 22 from Portland to Iwakuni, returning Mon, Mar 30, priced at $1,357 found 20 hours ago
All Nippon Airways
Thu, Dec 11 - Fri, Dec 26
PDX
Portland
IWK
Iwakuni
$1,364 Roundtrip, found 4 days ago
$1,364
Roundtrip
found 4 days ago
Select All Nippon Airways flight, departing Thu, Dec 11 from Portland to Iwakuni, returning Fri, Dec 26, priced at $1,364 found 4 days ago
All Nippon Airways
Sun, Mar 22 - Mon, Mar 30
PDX
Portland
IWK
Iwakuni
$1,373 Roundtrip, found 20 hours ago
$1,373
Roundtrip
found 20 hours ago
Select All Nippon Airways flight, departing Sun, Mar 22 from Portland to Iwakuni, returning Mon, Mar 30, priced at $1,373 found 20 hours ago

Frequently asked questions

How much does a flight from Portland Intl. Airport (PDX) to Iwakuni Airport (IWK) cost?
Lock in a cheap one-way flight from $499 or cheap return flight from $995 from Portland Intl. Airport (PDX) to Iwakuni Airport (IWK) 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 Portland Intl. Airport (PDX) to Iwakuni Airport (IWK)?
Planning your trip for December is a great way to save, as it's the cheapest month for flights between PDX and IWK. You'll often find the lowest prices during the off-season.
What is the cheapest airline that flies from Portland Intl. Airport (PDX) to Iwakuni Airport (IWK)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest PDX to IWK flight.
How many flights per day from Portland Intl. Airport (PDX) to Iwakuni Airport (IWK)?
Nonstop flights from Portland Intl. Airport (PDX) to Iwakuni Airport (IWK) 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 click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from PDX to IWK?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Portland Intl. Airport (PDX) to Iwakuni Airport (IWK)?
To arrive at Iwakuni Airport (IWK) without delays, choose a flight that leaves from Portland Intl. Airport (PDX) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 Portland Intl. Airport (PDX) to Iwakuni Airport (IWK) last-minute?
Booking your flight from PDX to IWK shortly before your getaway is typically more expensive. But if you're flexible with your itinerary, you could grab a cheap last-minute fare.
Is it cheaper to book a PDX to IWK flight and hotel package?
You can save money by booking a PDX to IWK flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. Once you've selected your ideal accommodations and flights, consider adding extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Portland Intl. Airport (PDX) to Iwakuni Airport (IWK)?
It's generally possible to cancel or reschedule your PDX to IWK flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
Portland Intl.
Destination airport
Iwakuni
Airlines serving
All Nippon Airways, United
Roundtrip price
$994
Distance
5219 mi

Book with confidence

Portland to Iwakuni Flights

The cheapest times to fly from Portland to Iwakuni

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

 

The best time to book a flight from Portland to Iwakuni

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

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 Portland to Iwakuni in 2025. You can also book with separate airlines for your outbound and return journeys, from $499 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 Portland to Iwakuni 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 Portland to Iwakuni 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.

 

Portland to Iwakuni Flights

Explore a world of travel with Expedia

*Available to One Key members.