$167 Cheap Flights from Sendai (SDJ) to Seoul (ICN)

View $167 flight on Tue, Dec 9, 2025Opens in a new window

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

    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 Sendai to Seoul (SDJ-ICN)

Prices were available within the past 7 days and start at $167 for one-way flights and $281 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Asiana Airlines
Wed, Nov 26 - Mon, Dec 15
SDJ
Sendai
ICN
Seoul
$281 Roundtrip, found 1 day ago
$281
Roundtrip
found 1 day ago
Select Asiana Airlines flight, departing Wed, Nov 26 from Sendai to Seoul, returning Mon, Dec 15, priced at $281 found 1 day ago
Asiana Airlines
Tue, Dec 9 - Wed, Dec 10
SDJ
Sendai
ICN
Seoul
$294 Roundtrip, found 21 hours ago
$294
Roundtrip
found 21 hours ago
Select Asiana Airlines flight, departing Tue, Dec 9 from Sendai to Seoul, returning Wed, Dec 10, priced at $294 found 21 hours ago
Asiana Airlines
Mon, Dec 8 - Tue, Dec 9
SDJ
Sendai
ICN
Seoul
$307 Roundtrip, found 21 hours ago
$307
Roundtrip
found 21 hours ago
Select Asiana Airlines flight, departing Mon, Dec 8 from Sendai to Seoul, returning Tue, Dec 9, priced at $307 found 21 hours ago
Asiana Airlines
Wed, Nov 26 - Wed, Dec 17
SDJ
Sendai
ICN
Seoul
$308 Roundtrip, found 1 day ago
$308
Roundtrip
found 1 day ago
Select Asiana Airlines flight, departing Wed, Nov 26 from Sendai to Seoul, returning Wed, Dec 17, priced at $308 found 1 day ago
Asiana Airlines
Tue, Nov 25 - Sun, Nov 30
SDJ
Sendai
ICN
Seoul
$320 Roundtrip, found 6 days ago
$320
Roundtrip
found 6 days ago
Select Asiana Airlines flight, departing Tue, Nov 25 from Sendai to Seoul, returning Sun, Nov 30, priced at $320 found 6 days ago
Asiana Airlines
Tue, Dec 9 - Wed, Dec 17
SDJ
Sendai
ICN
Seoul
$321 Roundtrip, found 21 hours ago
$321
Roundtrip
found 21 hours ago
Select Asiana Airlines flight, departing Tue, Dec 9 from Sendai to Seoul, returning Wed, Dec 17, priced at $321 found 21 hours ago
Asiana Airlines
Mon, Dec 8 - Wed, Dec 17
SDJ
Sendai
ICN
Seoul
$334 Roundtrip, found 21 hours ago
$334
Roundtrip
found 21 hours ago
Select Asiana Airlines flight, departing Mon, Dec 8 from Sendai to Seoul, returning Wed, Dec 17, priced at $334 found 21 hours ago
Asiana Airlines
Tue, Nov 25 - Mon, Dec 15
SDJ
Sendai
ICN
Seoul
$335 Roundtrip, found 1 day ago
$335
Roundtrip
found 1 day ago
Select Asiana Airlines flight, departing Tue, Nov 25 from Sendai to Seoul, returning Mon, Dec 15, priced at $335 found 1 day ago
All Nippon Airways
Tue, Dec 9 - Wed, Dec 10
SDJ
Sendai
ICN
Seoul
$1,514 Roundtrip, found 21 hours ago
$1,514
Roundtrip
found 21 hours ago
Select All Nippon Airways flight, departing Tue, Dec 9 from Sendai to Seoul, returning Wed, Dec 10, priced at $1,514 found 21 hours ago
Japan Airlines
Tue, Dec 9 - Wed, Dec 10
SDJ
Sendai
ICN
Seoul
$1,735 Roundtrip, found 21 hours ago
$1,735
Roundtrip
found 21 hours ago
Select Japan Airlines flight, departing Tue, Dec 9 from Sendai to Seoul, returning Wed, Dec 10, priced at $1,735 found 21 hours ago

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

January is typically the cheapest month to fly

From $253 - $1,415 per traveler.

Alternative airports near Seoul

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Incheon Intl. ICN. Cheapest option available. Average driving time to city center is 47 minutes. Flights from $356
ICN
Incheon Intl.
Cheapest
Average driving time to city center47 min
Flights from $356
Flights from Sendai (SDJ) to Seoul (ICN)
Origin airport
Sendai
Destination airport
Incheon Intl.
Airlines serving
All Nippon Airways, Asiana Airlines, Japan Airlines
Roundtrip price
$281
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 November. 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 $167 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?
Secure a cheap one-way flight from $167 or cheap return flight from $281 from Sendai Airport (SDJ) to Incheon Intl. Airport (ICN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Sendai Airport (SDJ) to Incheon Intl. Airport (ICN)?
November is the most affordable month to fly from SDJ to ICN. Timing your trip outside of the busy season is often the key to finding better deals on flights.
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 Sendai Airport (SDJ) to Incheon Intl. Airport (ICN)?
Use the filters on Expedia to compare airlines and find the cheapest carrier that'll fly you from SDJ to ICN. Then, sort your results by "Price (lowest to highest)" to score 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.

Explore a world of travel with Expedia

*Available to One Key members.