$308 Cheap Flights from Seoul (GMP) to Sendai (SDJ)

View $308 flight on Fri, Sep 5, 2025Opens in a new window

Popular airlines from Gimpo Intl. Airport (GMP) to Sendai Airport (SDJ)

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Cheap Flights from Seoul to Sendai (GMP-SDJ)

Prices were available within the past 7 days and start at $308 for one-way flights and $581 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

All Nippon Airways
Wed, Aug 20 - Wed, Aug 27
GMP
Seoul
SDJ
Sendai
$581 Roundtrip, found 6 days ago
$581
Roundtrip
found 6 days ago
Select All Nippon Airways flight, departing Wed, Aug 20 from Seoul to Sendai, returning Wed, Aug 27, priced at $581 found 6 days ago
All Nippon Airways
Sat, Jul 26 - Sun, Aug 3
GMP
Seoul
SDJ
Sendai
$582 Roundtrip, found 4 hours ago
$582
Roundtrip
found 4 hours ago
Select All Nippon Airways flight, departing Sat, Jul 26 from Seoul to Sendai, returning Sun, Aug 3, priced at $582 found 4 hours ago
All Nippon Airways
Sat, Aug 9 - Mon, Aug 11
GMP
Seoul
SDJ
Sendai
$583 Roundtrip, found 16 hours ago
$583
Roundtrip
found 16 hours ago
Select All Nippon Airways flight, departing Sat, Aug 9 from Seoul to Sendai, returning Mon, Aug 11, priced at $583 found 16 hours ago
All Nippon Airways
Sun, Sep 21 - Sat, Sep 27
GMP
Seoul
SDJ
Sendai
$584 Roundtrip, found 4 days ago
$584
Roundtrip
found 4 days ago
Select All Nippon Airways flight, departing Sun, Sep 21 from Seoul to Sendai, returning Sat, Sep 27, priced at $584 found 4 days ago
All Nippon Airways
Sun, Sep 21 - Sat, Sep 27
GMP
Seoul
SDJ
Sendai
$588 Roundtrip, found 4 days ago
$588
Roundtrip
found 4 days ago
Select All Nippon Airways flight, departing Sun, Sep 21 from Seoul to Sendai, returning Sat, Sep 27, priced at $588 found 4 days ago
Flights from Seoul (GMP) to Sendai (SDJ)
Origin airport
Gimpo Intl.
Destination airport
Sendai
Airlines serving
All Nippon Airways
Roundtrip price
$580
Distance
770 mi

Seoul to Sendai Flights

The cheapest times to fly from Seoul to Sendai

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

 

The best time to book a flight from Seoul to Sendai

Sunday is one of the best days to book for cheap flights from Seoul to Sendai: 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 Seoul to Sendai

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 Seoul to Sendai in 2025. You can also book with separate airlines for your outbound and return journeys, from $308 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 Seoul to Sendai 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 Seoul to Sendai 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 is a flight from Gimpo Airport to SDJ?
Pack your bags, because round-trip flights from Gimpo Intl. Airport (GMP) to Sendai Intl. Airport start from $581. That's based on fares advertised within the last 7 days on Expedia for flights departing within the next year. Prices can go up quickly, so book today to secure the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Gimpo Intl. Airport (GMP) to Sendai Intl. Airport?
This differs from airline to airline, as each has its own set of terms and conditions. Head to the Customer Service Portal, where there are easy-to-follow instructions on how to cancel online.
How do I find cheap flights from Gimpo Intl. Airport (GMP) to SDJ that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for GMP to SDJ flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Gimpo Airport to Sendai Airport (SDJ)?
The flight distance from Gimpo Intl. Airport (GMP) (GMP) to SDJ (SDJ) is 777 mi. You'll be walking down the air bridge and grabbing your suitcase from the carousel in no time.
Which airlines fly direct from GMP to Sendai Airport (SDJ)?
You won't find any airlines operating directly between Gimpo Intl. Airport (GMP) and Sendai Airport (SDJ), so be ready to make at least one stop on your journey. A layover can be a welcome way to break up a trip!
Are Gimpo Airport to SDJ flight tickets cheaper when they're purchased at the last minute?
It is possible to pick up great last-minute deals from Gimpo Intl. Airport (GMP) to Sendai Intl. Airport, but it's also possible to miss out altogether! As many airlines release prices up to a year in advance, it's worth keeping an eye on fares early and being ready to book when you spot a good bargain. Expedia compares carrier prices and updates flight deals frequently, so you can rest easy knowing you're always seeing the latest offers.

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*Available to One Key members.