$155 Cheap Flights from Sendai (SDJ) to Seoul (ICN)

View $155 flight on Sun, Jul 13, 2025Opens in a new window

Popular airlines from Sendai Airport (SDJ) to Incheon Intl. Airport (ICN)

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Cheap Flights from Sendai to Seoul (SDJ-ICN)

Prices were available within the past 7 days and start at $155 for one-way flights and $277 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Asiana Airlines
Wed, Jul 9 - Tue, Jul 29
SDJ
Sendai
ICN
Seoul
$277 Roundtrip, found 2 days ago
$277
Roundtrip
found 2 days ago
Select Asiana Airlines flight, departing Wed, Jul 9 from Sendai to Seoul, returning Tue, Jul 29, priced at $277 found 2 days ago
Asiana Airlines
Wed, Jul 9 - Mon, Jul 14
SDJ
Sendai
ICN
Seoul
$291 Roundtrip, found 4 days ago
$291
Roundtrip
found 4 days ago
Select Asiana Airlines flight, departing Wed, Jul 9 from Sendai to Seoul, returning Mon, Jul 14, priced at $291 found 4 days ago
Asiana Airlines
Mon, Jul 14 - Tue, Jul 15
SDJ
Sendai
ICN
Seoul
$305 Roundtrip, found 4 days ago
$305
Roundtrip
found 4 days ago
Select Asiana Airlines flight, departing Mon, Jul 14 from Sendai to Seoul, returning Tue, Jul 15, priced at $305 found 4 days ago
Asiana Airlines
Wed, Jul 9 - Sun, Jul 20
SDJ
Sendai
ICN
Seoul
$312 Roundtrip, found 2 days ago
$312
Roundtrip
found 2 days ago
Select Asiana Airlines flight, departing Wed, Jul 9 from Sendai to Seoul, returning Sun, Jul 20, priced at $312 found 2 days ago
Asiana Airlines
Wed, Jul 9 - Mon, Jul 28
SDJ
Sendai
ICN
Seoul
$318 Roundtrip, found 2 days ago
$318
Roundtrip
found 2 days ago
Select Asiana Airlines flight, departing Wed, Jul 9 from Sendai to Seoul, returning Mon, Jul 28, priced at $318 found 2 days ago
Asiana Airlines
Wed, Jul 9 - Wed, Jul 30
SDJ
Sendai
ICN
Seoul
$332 Roundtrip, found 2 days ago
$332
Roundtrip
found 2 days ago
Select Asiana Airlines flight, departing Wed, Jul 9 from Sendai to Seoul, returning Wed, Jul 30, priced at $332 found 2 days ago
Asiana Airlines
Wed, Jul 9 - Sun, Jul 20
SDJ
Sendai
ICN
Seoul
$346 Roundtrip, found 4 days ago
$346
Roundtrip
found 4 days ago
Select Asiana Airlines flight, departing Wed, Jul 9 from Sendai to Seoul, returning Sun, Jul 20, priced at $346 found 4 days ago
Asiana Airlines
Tue, Jul 15 - Wed, Jul 16
SDJ
Sendai
ICN
Seoul
$353 Roundtrip, found 4 days ago
$353
Roundtrip
found 4 days ago
Select Asiana Airlines flight, departing Tue, Jul 15 from Sendai to Seoul, returning Wed, Jul 16, priced at $353 found 4 days ago
All Nippon Airways
Fri, Aug 15 - Fri, Aug 22
SDJ
Sendai
ICN
Seoul
$1,232 Roundtrip, found 2 days ago
$1,232
Roundtrip
found 2 days ago
Select All Nippon Airways flight, departing Fri, Aug 15 from Sendai to Seoul, returning Fri, Aug 22, priced at $1,232 found 2 days ago
Japan Airlines
Fri, Aug 15 - Fri, Aug 22
SDJ
Sendai
ICN
Seoul
$1,442 Roundtrip, found 2 days ago
$1,442
Roundtrip
found 2 days ago
Select Japan Airlines flight, departing Fri, Aug 15 from Sendai to Seoul, returning Fri, Aug 22, priced at $1,442 found 2 days ago

Find the cheapest month to fly from Sendai (SDJ) to Seoul (ICN)

January is typically the cheapest month to fly

From $251 - $1,557 per traveler.

Graph displaying average flight prices per month

Flights from Sendai (SDJ) to Seoul (ICN)
Origin airport
Sendai
Destination airport
Incheon Intl.
Airlines serving
All Nippon Airways, Japan Airlines
Roundtrip price
$276
Distance
791 mi
Average flight time
2 hours 25 mins

Sendai to Seoul Flights

The cheapest times to fly from Sendai to Seoul

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

 

The best time to book a flight from Sendai to Seoul

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

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 Sendai to Seoul in 2025. You can also book with separate airlines for your outbound and return journeys, from $155 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 Sendai to Seoul 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 Sendai to Seoul 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 Sendai Airport (SDJ) to Incheon Intl. Airport (ICN) cost?
Discover the latest flight deals from SDJ to ICN by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from SDJ to ICN?
The cheapest flights from SDJ to ICN are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Sendai Airport (SDJ) to Incheon Intl. Airport (ICN)?
You can fly nonstop from Sendai Airport (SDJ) to Incheon Intl. Airport (ICN) on an Asiana Airlines flight.
What is the cheapest airline that flies from SDJ to ICN?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from SDJ to ICN. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Sendai Airport (SDJ) to Incheon Intl. Airport (ICN)?
On average, you can take your pick of 5 direct flights flying from Sendai Airport (SDJ) to Incheon Intl. Airport (ICN) per week. If you can't find one that fits your travel plans, think about taking a flight with a layover. Filter your search results on Expedia to include one stop or more and select the next best option.
What are the most popular departure times for flights from Sendai Airport (SDJ) to Incheon Intl. Airport (ICN)?
The 12 PM departures from SDJ to ICN are the most sought after. These flights can come with a higher price due to their popularity. If you want to save on your fare, choose a less crowded time to fly.
What day of the week has the most flights from SDJ to ICN?
If you jet off on a Friday, you'll get the greatest range of choices for flights from Sendai Airport (SDJ) to Incheon Intl. Airport (ICN).
What is the earliest flight from Sendai Airport (SDJ) to Incheon Intl. Airport (ICN)?
Sendai Airport (SDJ)'s earliest flight to Incheon Intl. Airport (ICN) leaves at approximately 12:40PM UTC+9. With a total journey time of 2h 45m, you'll land at around 3:25PM UTC+9.
How long does it take to fly from Sendai Airport (SDJ) to Incheon Intl. Airport (ICN)?
The average flight duration from SDJ to ICN is 2 hours and 45 minutes, covering a distance of 790 mi.
What is the best time to fly from Sendai Airport (SDJ) to Incheon Intl. Airport (ICN)?
Select a flight from Sendai Airport (SDJ) to Incheon Intl. Airport (ICN) that takes off before 3 PM to reduce the likelihood of delays. Departures after this time are on average 22% more likely to be canceled.**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.
What airports do you fly into for Seoul from Sendai Airport (SDJ)?
If you're boarding a direct flight from Sendai Airport (SDJ) to Seoul, Incheon Intl. Airport (ICN) is the only airport you can land at.
Is it cheaper to buy a plane ticket from Sendai Airport (SDJ) to Incheon Intl. Airport (ICN) last-minute?
Booking your plane ticket from SDJ to ICN right before your trip is usually more expensive. However, if there's some wiggle room with your departure dates and times, you could grab a cheap last-minute fare.
Is it cheaper to book a SDJ to ICN flight and hotel package?
Booking a SDJ to ICN flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of accommodations and then add activities, flights 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 Sendai Airport (SDJ) to Incheon Intl. Airport (ICN)?
Typically, it's possible to reschedule or cancel your SDJ to ICN flight. However, for bookings made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more details on our Customer Service portal.

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*Available to One Key members.