₩638,600 Cheap Flights from Billings (BIL) to Seoul (ICN)

View ₩638,600 flight on Tue, Nov 25, 2025Opens in a new window

Popular airlines from Billings Logan Intl. Airport (BIL) 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 40% on select hotels after you book a flight*
    trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Billings to Seoul (BIL-ICN)

Prices were available within the past 7 days and start at ₩638,600 for one-way flights and ₩1,328,300 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Nov 25 - Mon, Dec 15
BIL
Billings
ICN
Seoul
₩1,328,300 Roundtrip, found 23 hours ago
₩1,328,300
Roundtrip
found 23 hours ago
Select Delta flight, departing Tue, Nov 25 from Billings to Seoul, returning Mon, Dec 15, priced at ₩1,328,300 found 23 hours ago
Delta
Tue, Nov 25 - Mon, Dec 15
BIL
Billings
ICN
Seoul
₩1,336,400 Roundtrip, found 23 hours ago
₩1,336,400
Roundtrip
found 23 hours ago
Select Delta flight, departing Tue, Nov 25 from Billings to Seoul, returning Mon, Dec 15, priced at ₩1,336,400 found 23 hours ago
Delta
Tue, Nov 25 - Mon, Dec 15
BIL
Billings
ICN
Seoul
₩1,344,500 Roundtrip, found 23 hours ago
₩1,344,500
Roundtrip
found 23 hours ago
Select Delta flight, departing Tue, Nov 25 from Billings to Seoul, returning Mon, Dec 15, priced at ₩1,344,500 found 23 hours ago
Delta
Tue, Nov 25 - Mon, Dec 15
BIL
Billings
ICN
Seoul
₩1,352,600 Roundtrip, found 23 hours ago
₩1,352,600
Roundtrip
found 23 hours ago
Select Delta flight, departing Tue, Nov 25 from Billings to Seoul, returning Mon, Dec 15, priced at ₩1,352,600 found 23 hours ago
Delta
Tue, Nov 25 - Mon, Dec 15
BIL
Billings
ICN
Seoul
₩1,363,300 Roundtrip, found 23 hours ago
₩1,363,300
Roundtrip
found 23 hours ago
Select Delta flight, departing Tue, Nov 25 from Billings to Seoul, returning Mon, Dec 15, priced at ₩1,363,300 found 23 hours ago
Delta
Sat, Nov 1 - Wed, Nov 5
BIL
Billings
ICN
Seoul
₩1,373,700 Roundtrip, found 1 day ago
₩1,373,700
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Nov 1 from Billings to Seoul, returning Wed, Nov 5, priced at ₩1,373,700 found 1 day ago
United
Sat, Nov 1 - Wed, Nov 5
BIL
Billings
ICN
Seoul
₩1,433,800 Roundtrip, found 1 day ago
₩1,433,800
Roundtrip
found 1 day ago
Select United flight, departing Sat, Nov 1 from Billings to Seoul, returning Wed, Nov 5, priced at ₩1,433,800 found 1 day ago
American Airlines
Tue, Nov 25 - Mon, Dec 15
BIL
Billings
ICN
Seoul
₩1,435,100 Roundtrip, found 23 hours ago
₩1,435,100
Roundtrip
found 23 hours ago
Select American Airlines flight, departing Tue, Nov 25 from Billings to Seoul, returning Mon, Dec 15, priced at ₩1,435,100 found 23 hours ago
Hawaiian Airlines
Sat, Nov 1 - Wed, Nov 5
BIL
Billings
ICN
Seoul
₩1,517,200 Roundtrip, found 1 day ago
₩1,517,200
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Sat, Nov 1 from Billings to Seoul, returning Wed, Nov 5, priced at ₩1,517,200 found 1 day ago
Air Canada
Sat, Nov 1 - Wed, Nov 5
BIL
Billings
ICN
Seoul
₩2,215,200 Roundtrip, found 1 day ago
₩2,215,200
Roundtrip
found 1 day ago
Select Air Canada flight, departing Sat, Nov 1 from Billings to Seoul, returning Wed, Nov 5, priced at ₩2,215,200 found 1 day ago

Frequently asked questions

How much is a flight from Billings Logan International Airport to Incheon Intl. Airport (ICN)?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price available for a round-trip journey from Logan Intl. Airport (BIL) to Incheon Intl. Airport (ICN) was ₩1,328,300. Cheap tickets don't hang around forever, so make sure you book yours ASAP. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from BIL to ICN?
This can differ between air carriers, as each one has its own set of terms and conditions. Head to the Customer Service Portal, where you'll find instructions on how to cancel your flight online.
How do I find cheap flights from BIL to Incheon Intl. Airport (ICN) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for BIL to Seoul–Incheon Intl. Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Logan Intl. Airport (BIL) to Incheon Airport?
You'll have 9,300 kilometers to cover on the long-haul Billings to South Korea route. Wear layers of comfy clothes and consider taking a travel pillow with you.
Which airlines fly direct from BIL to Incheon Intl. Airport (ICN)?
Direct flights aren't available, so you'll need to make at least one stop between Logan Intl. Airport (BIL) and Seoul–Incheon Intl. Airport. Take advantage of the layover time to stretch your legs and grab a coffee.
Are BIL to ICN flight tickets cheaper when they're purchased at the last minute?
It is possible to nab an awesome last-minute deal from BIL to Incheon Intl. Airport (ICN), but it can also be hit-or-miss. As many airlines release prices up to 12 months in advance, it's worthwhile keeping an eye on fares early and being ready to pounce when you see a good bargain. Expedia compares air carrier prices and updates flight deals often, so you can rest easy knowing you're always seeing the latest offers.

Travel information

Origin airport
Logan Intl.
Destination airport
Incheon Intl.
Airlines serving
Air Canada, American Airlines, Delta, Qatar Airways, United
Roundtrip price
₩1,328,300
Distance
9196 km

Book with confidence

Billings to Incheon Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Billings to Incheon will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Incheon.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with BIL to ICN flights that won’t make your bank account wince. Ready to temporarily leave behind Billings for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to ICN with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Billings to Incheon Flights

Explore a world of travel with Expedia

*Available to Expedia members.