Are direct flights from Cheongju to Seoul always the best option?

Direct flights are often the most convenient and quickest option, but they are not always the cheapest. Flights with layovers can sometimes offer lower prices, though they will extend your travel time. Your best option depends on your priorities for cost versus convenience.

Can flexible travel dates help on Cheongju to Seoul flights?

Yes, being flexible with your travel dates can significantly impact flight prices. Flying on weekdays or during less popular times of the year often results in more affordable fares. Adjusting your departure or return by a few days may reveal better deals.

What extra costs should I check before booking Cheongju to Seoul flights?

Before booking, always check for potential extra costs such as baggage fees, seat selection charges, and in-flight services. Some airlines may also charge for printing boarding passes at the airport. Being aware of these additional fees can help you budget accurately for your trip.

Flights From Cheongju

To Seoul

Cheap Flights from Cheongju to Seoul

Browse current best options from Cheongju. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

Cheongju

RatePunk searches hundreds of travel sites at once for deals on flights to Seoul

Prices updated 4 days ago

476 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Oct 12, 2026.)

Today’s best flight deals from Cheongju to Seoul

Explore current cheapest deals departing from Cheongju to Seoul

2026-10-13 – 2026-10-20
CJJ - Seoul
69% AI deal score
$193
$89
Round trip
2026-10-12 – 2026-10-20
CJJ - Seoul
68% AI deal score
$185
$89
Round trip
2026-10-12 – 2026-10-14
CJJ - Seoul
73% AI deal score
$232
$92
Round trip
2026-10-14 – 2026-10-20
CJJ - Seoul
70% AI deal score
$191
$93
Round trip
2026-10-13 – 2026-10-14
CJJ - Seoul
76% AI deal score
$221
$119
Round trip
2026-10-27 – 2026-11-17
CJJ - Seoul
44% AI deal score
$140
$129
Round trip
2026-10-27 – 2026-11-24
CJJ - Seoul
44% AI deal score
$139
$129
Round trip
2026-10-27 – 2026-11-18
CJJ - Seoul
44% AI deal score
$140
$131
Round trip
2026-10-27 – 2026-11-25
CJJ - Seoul
43% AI deal score
$139
$133
Round trip
2026-11-10 – 2026-11-17
CJJ - Seoul
41% AI deal score
$142
$134
Round trip

Cheongju to Seoul: Overview

How much is a round trip from Cheongju to Seoul

Regular price: $160 - $306

Prices are currently below the regular range.

The regular price range for flights from Cheongju to Seoul is $160 to $306. The current lowest deal is $92 with Sierra National Airlines for travel from Oct 13-Oct 20.

now $92

Low $160

High $306

The cheapest time to fly from Cheongju to Seoul

The cheapest month to fly from Cheongju to Seoul is October, with a median price of $128. The most expensive month is January, with a median price of $169. Prices are generally lower from October to December.

October

Cheapest

Flights from $128

January

Most Expensive

Flights from $169

Jan

Oct

Nov

Dec

Direct flights from Cheongju to Seoul

Sierra National Airlines

T'way Air

Arcus-Air Logistic

Korean Air

Last-minute flights going from Cheongju to Seoul

Mon, Sep 28

⌛ Last-Minute

CJJ - Seoul

Cheongju (CJJ) - Seoul (GMP)

Arcus-Air Logistic, Coyne Aviation

$235

$80

One-way

Tue, Sep 29

⌛ Last-Minute

CJJ - Seoul

Cheongju (CJJ) - Seoul (GMP)

T'way Air, Coyne Aviation

$236

$84

One-way

Mon, Oct 12

⌛ Last-Minute

CJJ - Seoul

Cheongju (CJJ) - Seoul (GMP)

Arcus-Air Logistic

$180

$196

One-way

Mon, Oct 26

⌛ Last-Minute

CJJ - Seoul

Cheongju (CJJ) - Seoul (GMP)

Korean Air

$141

$284

One-way

Mon, Oct 26

⌛ Last-Minute

CJJ - Seoul

Cheongju (CJJ) - Seoul (GMP)

Korean Air

$144

$299

One-way

Mon, Oct 26

⌛ Last-Minute

CJJ - Seoul

Cheongju (CJJ) - Seoul (GMP)

Korean Air

$148

$359

One-way

Biggest price drops on these dates for flights from Cheongju to Seoul

5 nights

Oct 14 - Oct 19

$212 → $97

54%

6 nights

Oct 13 - Oct 19

$196 → $95

52%

7 nights

Oct 13 - Oct 20

$196 → $96

51%

1 night

Oct 13 - Oct 14

$233 → $134

42%

Popular Airports to fly from Cheongju to Seoul

Cheongju - Seoul route insights

💸 Price insights

Recent fares are below the typical level

Recent fares from Cheongju to Seoul are below the typical level at $92.

📅 Best time to fly

July is historically cheapest

Historically, July is the cheapest month to fly from Cheongju to Seoul, with a median price of $54.

⏱️ Flight duration

Connecting flights average 5h 0m

Connecting flights from Cheongju to Seoul typically average 5 hours and 0 minutes.

✈️ Airlines & availability

Connecting flights are dominant

This route is connecting-dominant, with a median of 1 stopover when connecting.

🏆 Airline highlight

Sierra National Airlines has recent deals

Sierra National Airlines has offered 20 direct deals recently for this route.

🎯 Booking tip

Deals are rare for this route

Historically, deals for flights from Cheongju to Seoul are rare.

Cheongju main airports to depart from

Cheongju International (CJJ)

Cheapest

Cheongju International Airport is a convenient departure point for flights to Seoul.

📍 ~8 km from Cheongju (reachable by car)

💸 Flights from ~$81

Seoul main airports to arrive at

Gimpo International (GMP)

Cheapest

Gimpo International Airport is a convenient arrival choice for flights from Cheongju to Seoul.

📍 ~17 km from Seoul city center (reachable by car)

💸 Flights from ~$91

Airports nearby Seoul used as alternative

Cheongju International (CJJ)

Cheongju International Airport is a useful alternative arrival airport, offering international flights and good connectivity to Seoul.

📍 ~115 km from Seoul (reachable by bus and rail)

Business & First Class Flight Deals to Seoul

$543

Save $482

Korean Air

Business Class

Frequently Asked Questions About Flights to Seoul

To find more affordable flights, consider being flexible with your travel dates and times. Comparing prices across different airlines and booking sites can often reveal better deals. Looking into flights during the off-peak season may also help reduce costs.

Booking in advance, often several weeks or months before your intended departure, can sometimes lead to lower prices. However, prices can fluctuate, so monitoring fares over time may help you identify a good booking window. Weekday bookings might also offer different rates than weekend bookings.

Comparing nearby airports can sometimes provide additional flight options or potentially lower fares. While it may add to your travel time, the savings could be worthwhile. Always consider the total cost and convenience when choosing this option.

Cheongju to Seoul: Overview

How much is a round trip from Cheongju to Seoul

Regular price: $160 - $306

Prices are currently below the regular range.

The regular price range for flights from Cheongju to Seoul is $160 to $306. The current lowest deal is $92 with Sierra National Airlines for travel from Oct 13-Oct 20.

now $92

Low $160

High $306

The cheapest time to fly from Cheongju to Seoul

October

Cheapest

Flights from $128

January

Most Expensive

Flights from $169

Jan

Oct

Nov

Dec