Find cheap flights to Seoul from $605

Trusted by millions

Kiwi.com Guarantee for stress-free travel

One search, all the best deals

Explore deals for your Seoul getaway

1 stop
Sat, Aug 9
Washington, D.C. IADSeoul ICN

$605
Search
2 stops
Wed, Aug 6
Washington, D.C. IADSeoul ICN

$609
Search
2 stops
Fri, Aug 8
Washington, D.C. IADSeoul ICN

$617
Search
1 stop
Fri, Aug 8
Washington, D.C. IADSeoul ICN

$645
Search
1 stop
Fri, Aug 8
Washington, D.C. IADSeoul ICN

$645
Search
2 stops
Mon, Aug 4
Washington, D.C. IADSeoul ICN

$652
Search

Prices updated:

2 stops
Thu, Aug 7 – Thu, Aug 14
Washington, D.C. BWISeoul ICN

$1,188
Search
2 stops
Thu, Aug 7 – Thu, Aug 14
Washington, D.C. BWISeoul ICN

$1,188
Search
2 stops
Fri, Aug 8 – Thu, Aug 14
Washington, D.C. IADSeoul ICN

$1,270
Search
1 stop
Fri, Aug 8 – Thu, Aug 14
Washington, D.C. IADSeoul ICN

$1,297
Search
2 stops
Sat, Aug 9 – Thu, Aug 14
Washington, D.C. IADSeoul ICN

$1,322
Search
2 stops
Wed, Aug 6 – Tue, Aug 12
Washington, D.C. IADSeoul ICN

$1,334
Search

Prices updated:

Weather in Seoul

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January1°C-5°C
February4°C-2°C
March10°C2°C
April17°C7°C
May22°C12°C
June27°C18°C
July28°C22°C
August29°C22°C
September25°C17°C
October19°C11°C
November11°C4°C
December2°C-3°C
Hottest Month
29°C
August
Coldest month
-5°C
January
Sunny days
292
days per year
Snow days
8
days per year

14 day forecast

Saturday
12 Jul
37°C23°C
19 Jul
33°C25°C
Sunday
13 Jul
33°C25°C
20 Jul
35°C25°C
Monday
14 Jul
86%
30°C21°C
21 Jul
37°C26°C
Tuesday
15 Jul
89%
32°C21°C
22 Jul
78%
29°C24°C
Wednesday
16 Jul
86%
29°C21°C
23 Jul
85%
27°C24°C
Thursday
17 Jul
86%
29°C22°C
24 Jul
31°C22°C
Friday
18 Jul
89%
33°C22°C
25 Jul
34°C23°C

Cheapest month to fly to Seoul

Explore price trends for trips to Seoul

Annual Avg. Price410 USD
August 2025410 USD
September 2025365 USD
October 2025365 USD
November 2025365 USD
December 2025365 USD
January 2026365 USD
February 2026448 USD
March 2026387 USD
April 2026469 USD
May 2026469 USD
June 2026506 USD

Frequently asked questions

What is the best month to visit Seoul?

What is the cheapest month to fly to Seoul?

Which Seoul airport is closer to the city?

How to get from the airport to the Seoul city center?

How many days to spend in Seoul?

Is it better to fly into Seoul Gimpo (GMP) Airport or Incheon International Airport?

How far in advance should I book a flight to Seoul?

Is Seoul expensive for tourists?

Is it safe to walk in Seoul at night?

Explore the map
Explore

We hack the system,
you fly for less