$409 Cheap Flights from Seoul (GMP) to Brussels (BRU)

View $409 flight on Sun, Dec 21, 2025Opens in a new window

Popular airlines from Gimpo Intl. Airport (GMP) to Brussels Airport (BRU)

    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 Seoul to Brussels (GMP-BRU)

Prices were available within the past 7 days and start at $409 for one-way flights and $709 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Asiana Airlines
Tue, Oct 28 - Tue, Nov 4
GMP
Seoul
BRU
Brussels
$709 Roundtrip, found 1 hour ago
$709
Roundtrip
found 1 hour ago
Select Asiana Airlines flight, departing Tue, Oct 28 from Seoul to Brussels, returning Tue, Nov 4, priced at $709 found 1 hour ago
Asiana Airlines
Sun, Dec 21 - Thu, Jan 1
GMP
Seoul
BRU
Brussels
$738 Roundtrip, found 3 days ago
$738
Roundtrip
found 3 days ago
Select Asiana Airlines flight, departing Sun, Dec 21 from Seoul to Brussels, returning Thu, Jan 1, priced at $738 found 3 days ago
Asiana Airlines
Tue, Oct 28 - Tue, Nov 4
GMP
Seoul
BRU
Brussels
$821 Roundtrip, found 1 hour ago
$821
Roundtrip
found 1 hour ago
Select Asiana Airlines flight, departing Tue, Oct 28 from Seoul to Brussels, returning Tue, Nov 4, priced at $821 found 1 hour ago
Asiana Airlines
Tue, Nov 4 - Thu, Nov 13
GMP
Seoul
BRU
Brussels
$851 Roundtrip, found 1 day ago
$851
Roundtrip
found 1 day ago
Select Asiana Airlines flight, departing Tue, Nov 4 from Seoul to Brussels, returning Thu, Nov 13, priced at $851 found 1 day ago
Asiana Airlines
Mon, Nov 3 - Thu, Nov 13
GMP
Seoul
BRU
Brussels
$866 Roundtrip, found 5 days ago
$866
Roundtrip
found 5 days ago
Select Asiana Airlines flight, departing Mon, Nov 3 from Seoul to Brussels, returning Thu, Nov 13, priced at $866 found 5 days ago
Korean Air
Tue, Nov 4 - Thu, Nov 13
GMP
Seoul
BRU
Brussels
$963 Roundtrip, found 1 day ago
$963
Roundtrip
found 1 day ago
Select Korean Air flight, departing Tue, Nov 4 from Seoul to Brussels, returning Thu, Nov 13, priced at $963 found 1 day ago
Korean Air
Mon, Nov 3 - Thu, Nov 13
GMP
Seoul
BRU
Brussels
$978 Roundtrip, found 5 days ago
$978
Roundtrip
found 5 days ago
Select Korean Air flight, departing Mon, Nov 3 from Seoul to Brussels, returning Thu, Nov 13, priced at $978 found 5 days ago
Asiana Airlines
Sat, Jan 10 - Mon, Jan 12
GMP
Seoul
BRU
Brussels
$1,067 Roundtrip, found 3 days ago
$1,067
Roundtrip
found 3 days ago
Select Asiana Airlines flight, departing Sat, Jan 10 from Seoul to Brussels, returning Mon, Jan 12, priced at $1,067 found 3 days ago
Korean Air
Mon, Nov 3 - Thu, Nov 13
GMP
Seoul
BRU
Brussels
$1,090 Roundtrip, found 5 days ago
$1,090
Roundtrip
found 5 days ago
Select Korean Air flight, departing Mon, Nov 3 from Seoul to Brussels, returning Thu, Nov 13, priced at $1,090 found 5 days ago
Japan Airlines
Sat, Jan 10 - Mon, Jan 12
GMP
Seoul
BRU
Brussels
$1,242 Roundtrip, found 3 days ago
$1,242
Roundtrip
found 3 days ago
Select Japan Airlines flight, departing Sat, Jan 10 from Seoul to Brussels, returning Mon, Jan 12, priced at $1,242 found 3 days ago
Flights from Seoul (GMP) to Brussels (BRU)
Origin airport
Gimpo Intl.
Destination airport
Brussels - National
Roundtrip price
$708
Distance
5397 mi

Seoul to Brussels Flights

The cheapest times to fly from Seoul to Brussels

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

 

The best time to book a flight from Seoul to Brussels

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

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 Brussels in 2025. You can also book with separate airlines for your outbound and return journeys, from $409 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 Brussels 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 Brussels 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 Brussels - National Airport (BRU) cost?
Lock in a cheap one-way flight from $409 or cheap return flight from $709 from Gimpo Intl. Airport (GMP) to Brussels - National Airport (BRU) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Gimpo Intl. Airport (GMP) to Brussels - National Airport (BRU)?
Planning your getaway for October may help you find better deals, as it's the cheapest month for flights between GMP and BRU. You'll usually find the lowest prices during off-peak months.
What is the cheapest airline that flies from Gimpo Intl. Airport (GMP) to Brussels - National Airport (BRU)?
Use the filter tool on Expedia to compare different airlines and find the most affordable carrier that'll fly you from GMP to BRU. Then, sort your results by "Price (lowest to highest)" to snag the best deal available.
How many flights per day from Gimpo Intl. Airport (GMP) to Brussels - National Airport (BRU)?
There are no daily direct flights departing from Gimpo Intl. Airport (GMP) to Brussels - National Airport (BRU). But you can book flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from GMP to BRU?
You'll usually find Tuesday the quietest day for flights, while Fridays are often 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 Brussels - National Airport (BRU)?
To avoid possible delays on the Gimpo Intl. Airport (GMP) to Brussels - National Airport (BRU) route, aim to travel before 3 PM. Later departures have a 22% higher chance of being 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.
Is it cheaper to buy a plane ticket from Gimpo Intl. Airport (GMP) to Brussels - National Airport (BRU) last-minute?
Waiting until just before your trip to book your flight from GMP to BRU often results in higher prices. While it's possible to find some last-minute discounts, there's no guarantee. Keep your travel plans flexible to boost your chances of getting a bargain.
Is it cheaper to book a GMP to BRU flight and hotel package?
Compared with arranging flights and hotels separately, booking a GMP to BRU flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one place will take the hassle out of planning your trip. Simply secure your flights and select from our extensive range of stays, then customize 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 Brussels - National Airport (BRU)?
In most cases, you're able to cancel or reschedule your GMP to BRU flight. However, additional charges may apply, especially if you made your booking over 24 hours ago. Double-check your itinerary for the airline's policies and fees on flight changes, or if you'd like further information, visit our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.