$125 Cheap Flights from Seoul (GMP) to Tianjin (TSN)

View $125 flight on Sun, Oct 26, 2025Opens in a new window

Popular airlines from Gimpo Intl. Airport (GMP) to Tianjin Binhai International Airport (TSN)

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Cheap Flights from Seoul to Tianjin (GMP-TSN)

Prices were available within the past 7 days and start at $125 for one-way flights and $232 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Shanghai Airlines
Fri, Sep 19 - Sun, Sep 21
GMP
Seoul
TSN
Tianjin
$232 Roundtrip, found 19 hours ago
$232
Roundtrip
found 19 hours ago
Select Shanghai Airlines flight, departing Fri, Sep 19 from Seoul to Tianjin, returning Sun, Sep 21, priced at $232 found 19 hours ago
China Eastern Airlines
Fri, Sep 19 - Sun, Sep 21
GMP
Seoul
TSN
Tianjin
$232 Roundtrip, found 19 hours ago
$232
Roundtrip
found 19 hours ago
Select China Eastern Airlines flight, departing Fri, Sep 19 from Seoul to Tianjin, returning Sun, Sep 21, priced at $232 found 19 hours ago
Shanghai Airlines
Fri, Sep 19 - Sun, Sep 21
GMP
Seoul
TSN
Tianjin
$291 Roundtrip, found 19 hours ago
$291
Roundtrip
found 19 hours ago
Select Shanghai Airlines flight, departing Fri, Sep 19 from Seoul to Tianjin, returning Sun, Sep 21, priced at $291 found 19 hours ago
Shanghai Airlines
Thu, Nov 27 - Sun, Nov 30
GMP
Seoul
TSN
Tianjin
$292 Roundtrip, found 4 days ago
$292
Roundtrip
found 4 days ago
Select Shanghai Airlines flight, departing Thu, Nov 27 from Seoul to Tianjin, returning Sun, Nov 30, priced at $292 found 4 days ago
Shanghai Airlines
Fri, Sep 19 - Sun, Sep 21
GMP
Seoul
TSN
Tianjin
$305 Roundtrip, found 19 hours ago
$305
Roundtrip
found 19 hours ago
Select Shanghai Airlines flight, departing Fri, Sep 19 from Seoul to Tianjin, returning Sun, Sep 21, priced at $305 found 19 hours ago
Shanghai Airlines
Fri, Sep 19 - Sun, Sep 21
GMP
Seoul
TSN
Tianjin
$307 Roundtrip, found 19 hours ago
$307
Roundtrip
found 19 hours ago
Select Shanghai Airlines flight, departing Fri, Sep 19 from Seoul to Tianjin, returning Sun, Sep 21, priced at $307 found 19 hours ago
China Eastern Airlines
Thu, Nov 27 - Sun, Nov 30
GMP
Seoul
TSN
Tianjin
$310 Roundtrip, found 4 days ago
$310
Roundtrip
found 4 days ago
Select China Eastern Airlines flight, departing Thu, Nov 27 from Seoul to Tianjin, returning Sun, Nov 30, priced at $310 found 4 days ago
Shanghai Airlines
Fri, Aug 29 - Sun, Aug 31
GMP
Seoul
TSN
Tianjin
$314 Roundtrip, found 5 days ago
$314
Roundtrip
found 5 days ago
Select Shanghai Airlines flight, departing Fri, Aug 29 from Seoul to Tianjin, returning Sun, Aug 31, priced at $314 found 5 days ago
China Eastern Airlines
Fri, Sep 19 - Sun, Sep 21
GMP
Seoul
TSN
Tianjin
$322 Roundtrip, found 19 hours ago
$322
Roundtrip
found 19 hours ago
Select China Eastern Airlines flight, departing Fri, Sep 19 from Seoul to Tianjin, returning Sun, Sep 21, priced at $322 found 19 hours ago
China Eastern Airlines
Thu, Nov 27 - Sun, Nov 30
GMP
Seoul
TSN
Tianjin
$328 Roundtrip, found 4 days ago
$328
Roundtrip
found 4 days ago
Select China Eastern Airlines flight, departing Thu, Nov 27 from Seoul to Tianjin, returning Sun, Nov 30, priced at $328 found 4 days ago
Flights from Seoul (GMP) to Tianjin (TSN)
Origin airport
Gimpo Intl.
Destination airport
Binhai Intl.
Airlines serving
China Eastern Airlines, Shanghai Airlines
Roundtrip price
$231
Distance
522 mi

Seoul to Tianjin Flights

The cheapest times to fly from Seoul to Tianjin

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

 

The best time to book a flight from Seoul to Tianjin

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

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 Tianjin in 2025. You can also book with separate airlines for your outbound and return journeys, from $125 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 Tianjin 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 Tianjin 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 Gimpo Intl. Airport (GMP) to Binhai Intl. Airport (TSN) cost?
Secure a cheap one-way flight from $125 or cheap return flight from $232 from Gimpo Intl. Airport (GMP) to Binhai Intl. Airport (TSN) 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 Gimpo Intl. Airport (GMP) to Binhai Intl. Airport (TSN)?
September is the cheapest month to fly from GMP to TSN. Traveling during an off-peak travel window is often the key to scoring lower fares.
Which airlines fly direct from Gimpo Intl. Airport (GMP) to Binhai Intl. Airport (TSN)?
Although Seoul (GMP-Gimpo Intl.) doesn't offer any direct flights to Binhai Intl. Airport (TSN), other airports have nonstop options. Departing from Incheon Intl. Airport (ICN) will get you to Tianjin without any layovers.
What is the cheapest airline that flies from Gimpo Intl. Airport (GMP) to Binhai Intl. Airport (TSN)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest GMP to TSN flight.
How many flights per day from Gimpo Intl. Airport (GMP) to Binhai Intl. Airport (TSN)?
You'll need to take a flight with a layover when traveling from Gimpo Intl. Airport (GMP) to Binhai Intl. Airport (TSN). There are no daily direct flights on this route. However, simply filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from GMP to TSN?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change 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 Gimpo Intl. Airport (GMP) to Binhai Intl. Airport (TSN)?
To avoid potential delays on the Gimpo Intl. Airport (GMP) to Binhai Intl. Airport (TSN) route, travel before 3 PM. Flights after this time have a 22% higher chance of cancellation.**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 Tianjin from Gimpo Intl. Airport (GMP)?
Beijing (PKX-Daxing Intl.) is the only airport in Tianjin with direct flights from Gimpo Intl. Airport (GMP). Browse the options and discover cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Gimpo Intl. Airport (GMP) to Binhai Intl. Airport (TSN) last-minute?
Holding off until just before your departure to book your flight from GMP to TSN often results in higher prices. While you may come across some last-minute deals, they're not always guaranteed. Be flexible with your itinerary for the best chance of snagging a bargain.
Is it cheaper to book a GMP to TSN flight and hotel package?
Compared with arranging flights and hotels separately, booking a GMP to TSN flight and hotel package with Expedia could result in significant savings. What's more, having everything in one easy place will take the hassle out of travel planning. Simply pick your flights and choose from our extensive range of stays, then personalize your trip with other add-ons like tours and car rentals.
Can I cancel or change the date of my flight from Gimpo Intl. Airport (GMP) to Binhai Intl. Airport (TSN)?
In most instances, you're able to reschedule or cancel your GMP to TSN flight. However, additional fees may apply, especially if you made your booking over 24 hours ago. Double-check your itinerary for the airline's guidelines and fees on flight changes, or if you want more details, head to our Customer Service portal.

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*Available to One Key members.