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Delta Air Lines · Route guide

Salt Lake City to Seoul Incheon Flight Route: Delta (SLC-ICN)

Everything you need to fly Origin to Destination: when to go, who flies it, what it costs, and how to land well.

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1 airline on this route · Seasonal Summer

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Airline

Delta

Aircraft

B767-300ER

Service

Seasonal Summer

Region

Asia-Pacific

The route

The Delta-operated route from Salt Lake City to Seoul Incheon provides a unique and direct link between the Intermountain West and the heart of South Korea. This seasonal service allows travelers to bypass coastal hubs, offering a streamlined journey to one of Asia's most significant transit points and cultural capitals.

Delta Air Lines connects Salt Lake City International Airport (SLC) with Seoul Incheon International Airport (ICN) on a seasonal basis during the summer months. The route utilizes the Boeing 767-300ER aircraft, focusing on high-demand summer travel patterns.

This route is significant as it establishes Salt Lake City as a competitive international gateway for transpacific travel. It supports both the growing business ties between Utah and East Asia and the high volume of leisure travelers seeking efficient access to South Korea and beyond via Incheon's extensive network.
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Airports

Taking off, touching down.

Check-in, security, connections and getting into town at both ends of the flight.

Departure

Salt Lake City International Airport (SLC)

AIR
Check-in
Arrive at least 3 hours before departure for international document verification.
Security
Utilize TSA PreCheck if available, though international lanes move steadily in the new terminal.
Connections
SLC is a major Delta hub with efficient terminal layouts and high-speed Wi-Fi.
Arrival

Seoul Incheon International Airport (ICN)

SLC
On arrival
Follow signs for 'Arrivals' and have your K-ETA or visa ready for immigration.
Ground transport
The AREX Express Train is the fastest way to reach Seoul Station in downtown Seoul.
Planning ahead
Currency exchange and SIM card kiosks are available immediately after exiting the secure arrivals area.
Timing & fares

When it flies, what it costs.

Schedule & reliability

Schedule
Flights generally depart SLC in the afternoon to arrive in Seoul the following evening.
Duration
Westbound flights are typically longer due to headwinds across the Pacific.
Seasonality
This route is strictly operational during the peak summer travel window.
Time zones
Seoul is 15 to 16 hours ahead of Salt Lake City, depending on daylight saving time.

Fares & booking

Booking window
Fares are highest in June and July; try booking for late August for better rates.
Cabin advice
Delta Comfort+ offers extra legroom which is highly recommended for this distance.
Peak pricing
Availability can tighten quickly as this is a seasonal route with limited capacity.
  • Book at least 4-6 months in advance for the best summer fares.
  • Monitor Delta SkyMiles deals for high-value redemption opportunities.
  • Consider the Delta One cabin for increased comfort on this 12-hour plus flight.

Peak season

June through August see the highest demand and load factors.

Shoulder season

Late May and early September represent the start and end of the service.

Off-peak season

This route does not operate during the winter and spring months.

Tours and experiences at either end

Vetted day trips and activities in Destination and Origin, through our travel partner.

Browse tours
When to fly

Best Time to Fly Origin to Destination

  1. 01

    Summer

    The direct SLC to ICN route only operates during the summer season.

Trip planning

Who this route suits best.

Adventure Seekers

Direct access to South Korea's hiking trails and vibrant urban culture.

Corporate Travelers

Efficient link for businesses with operations in both Utah and Asia.

Families

Avoids the stress of connecting at busy coastal airports like LAX.

Connections & alternatives

Bangkok (BKK)

Seoul Incheon is a premier hub for connecting to Thailand.

Tokyo (NRT/HND)

Short flights from ICN make Japan an easy secondary destination.

Singapore (SIN)

Highly rated connections available via Korean Air or Delta partners.

Field notes

Travel Tips for the Origin-Destination Route

Visa & entry

  • Most travelers require an approved K-ETA (Korea Electronic Travel Authorization) before boarding.
  • Ensure your passport is valid for at least six months beyond your stay.
  • Check current South Korean entry requirements for any health-related documentation.

Airport transfers

  • The Airport Limousine Bus offers direct routes to major hotels throughout Seoul.
  • Standard and International Taxis are available at Terminal 2.
  • Purchase a T-money card at the airport for easy use on all public transit.

Baggage & transit

  • Baggage is typically checked through to your final destination when connecting in Seoul.
  • Review Delta's international baggage policy for specific weight limits on transpacific routes.
  • Pack essential medications and electronics in your carry-on for the long duration.

Checklist

  • Apply for K-ETA or Korean Visa
  • Confirm flight dates within the summer seasonal window
  • Pre-book airport parking at SLC
  • Notify bank of international travel to South Korea
Carriers

Airlines Flying Origin to Destination

Delta

Seasonal summer service with multiple weekly departures

Exclusively utilizes the Boeing 767-300ER for this long-haul mission

FAQ

Common questions.

Straight answers about flying Origin to Destination.

When does the Salt Lake City to Seoul flight operate?

This is a seasonal route operated by Delta specifically during the summer months.

What aircraft is used on the SLC to ICN route?

Delta typically operates this route using a Boeing 767-300ER aircraft.

How long is the flight from Salt Lake City to Seoul?

The flight duration is approximately 12 hours and 30 minutes, though it can vary based on weather.

Do I need a visa to fly from SLC to Seoul?

Most US citizens and many other nationalities need a K-ETA (Korea Electronic Travel Authorization) to enter South Korea.

Is food provided on the SLC-ICN flight?

Yes, as a long-haul international flight, Delta provides full meal service, snacks, and beverages.

Keep exploring

Where to next.

Structured data verified

Airports

Salt Lake City (SLC)Incheon International Airport (ICN)Salt Lake City InternationalSeoul Incheon

Countries & layovers

United StatesSouth KoreaSalt Lake City layover guide

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