Cheap Flights to Northeast

View ₩108,900 flight on Wed, Nov 19, 2025Opens in a new window

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How much is the cheapest flight to Northeast?

Prices were available within the past 7 days and start at ₩108,900 for one-way flights and ₩218,800 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Aug 26 - Sat, Aug 30
SEA
Seattle
DEN
Denver
₩218,800 Roundtrip, found 1 day ago
₩218,800
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Aug 26 from Seattle to Denver, returning Sat, Aug 30, priced at ₩218,800 found 1 day ago
United
Thu, Oct 23 - Sat, Nov 1
SEA
Seattle
DEN
Denver
₩273,800 Roundtrip, found 13 hours ago
₩273,800
Roundtrip
found 13 hours ago
Select United flight, departing Thu, Oct 23 from Seattle to Denver, returning Sat, Nov 1, priced at ₩273,800 found 13 hours ago
American Airlines
Sat, Sep 6 - Sat, Sep 13
DFW
Dallas
DEN
Denver
₩288,500 Roundtrip, found 2 days ago
₩288,500
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Sep 6 from Dallas to Denver, returning Sat, Sep 13, priced at ₩288,500 found 2 days ago
Alaska Airlines
Sun, Dec 28 - Thu, Jan 8
ICN
Seoul
DEN
Denver
₩1,011,600 Roundtrip, found 2 days ago
₩1,011,600
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sun, Dec 28 from Seoul to Denver, returning Thu, Jan 8, priced at ₩1,011,600 found 2 days ago
Korean Air
Fri, Oct 17 - Sat, Oct 25
ICN
Seoul
DEN
Denver
₩1,024,100 Roundtrip, found 3 hours ago
₩1,024,100
Roundtrip
found 3 hours ago
Select Korean Air flight, departing Fri, Oct 17 from Seoul to Denver, returning Sat, Oct 25, priced at ₩1,024,100 found 3 hours ago

Find the cheapest month to fly from Columbus (CMH) to Denver (DEN)

August is typically the cheapest month to fly

From ₩142,852 - ₩458,497 per traveler.

Graph displaying average flight prices per month

Searching for cheap flights to Northeast? No travel company presents more choices than Expedia if you're looking to compare flights to Northeast. With more airlines, cheaper flights, fewer stops, and more departure and arrival times travellers should ensure they search on Expedia before any holiday to Denver. Expedia provides the cheapest flights to many destinations in Denver and you may find even greater savings if you combine your flight with a hotel stay in Northeast.

Frequently asked questions

How do I find cheap flights to Northeast that have flexible change policies?
At Expedia, we've been channeling our inner yoga master to provide you with the most flexible fares in town. Just click on "No change fee" right under the "Flexible change policies" heading to find the best flights to Northeast.
Which airlines fly to Northeast?
Grab a seat with one of these airlines and Northeast will be yours to explore:

  • United Airlines - 13,033 flights to or near Northeast each month, including 13,033 flights to Denver Intl. Airport (DEN) per month.
  • Southwest Airlines - 6,339 flights to or near Northeast each month, including 6,339 flights to Denver Intl. Airport (DEN) per month.
  • Frontier Airlines - 1,967 flights to or near Northeast each month, including 1,967 flights to Denver Intl. Airport (DEN) per month.

How can I find cheap tickets to Northeast?
In the last seven days, ₩218,800 was the best price for a flight to Northeast. If you want to save even more, book well ahead of time and be flexible with your travel dates. Search for your journey to Northeast, then see prices for nearby days by clicking on the "flexible dates" link above.
How much is a flight to Northeast?
In the last seven days, return flights to Northeast sold for as little as ₩218,800 and reached a maximum of ₩1,024,100. For one-way trips out of Seattle (SEA), the cheapest seat during this same period was ₩108,900.
What are the most popular airports to fly into in Northeast?
Denver Intl. Airport (DEN) is the main gateway for people traveling into and out of Northeast. Around 24,249 flights per month land at this airport.
When is the cheapest time to fly to Northeast?
Jetting off on a Tuesday, followed by a Monday, is usually the best way to nab the cheapest fare. Avoid the weekends if you can, because Saturday is typically the most expensive day. Spend the dollars you saved enjoying yourself in Northeast instead!
How much is a plane ticket to Northeast?
In the last seven days, plane fares to Northeast fluctuated from ₩218,800 to ₩1,024,100.
What months are the cheapest to book a flight to Northeast?
The most affordable month to land a fabulous deal to Northeast is February, while the priciest month is December. Give this month a miss if you're counting your pennies.
Flights to Northeast information
Destination airport
Denver Intl.
Destination airport IATA code
DEN
Destination city name
Denver
Roundtrip price
₩218,800

Trending flights to Northeast

Prices were available within the past 7 days and start at ₩108,900 for one-way flights and ₩218,800 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, Oct 23 - Wed, Oct 29
ICN
Seoul
DEN
Denver
₩930,200 Roundtrip, found 5 days ago
₩930,200
Roundtrip
found 5 days ago
Select Delta flight, departing Thu, Oct 23 from Seoul to Denver, returning Wed, Oct 29, priced at ₩930,200 found 5 days ago
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