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Flights from Busan to Seattle

Hi, I've summed up all the key info for Busan to Seattle flights

Cheapest one-way

$ 500
Air Busan Fri, Sep 18

40% below next 30d avg. ($829)

Cheapest round-trip

$ 826
Jeju Air Sat, Oct 17

Recommended airlines

When to travel

SeptemberCheapest month
JanuaryPeak month

With a lowest one-way fare of $500 , travelers can expect an average price of $829 for upcoming trips, while round-trip tickets start at $826 . You can arrive at any of the following airports in Seattle: Seattle-Tacoma International Airport (SEA) , King County (Boeing Field) International Airport (BFI) , and Kenmore Air Harbor Seaplane Base (LKE) . Flights from Gimhae International Airport to Seattle-Tacoma International Airport (PUS-SEA) are by far the most popular option for this route. To secure the best rates, booking 40 days in advance is recommended, and the cheapest travel days are Tuesday, Wednesday, and Saturday .

Updated 1h ago · This content is an AI-powered summary based on Trip.com data. Prices and availability are subject to change. Please refer to actual prices, availability, and travel conditions.

Explore the cheapest one-way and round-trip flights from Busan to Seattle over the next 90 days, with one-way fares from $500 and round-trip from $826. Based on Trip.com's latest 7-day flight data.

      • PUS 7:10 AM
        24h 5m
        1 stop
        SEA 3:15 PM
        Busan - Seattle | Sat, Oct 17 | Jeju Air
        SEA 12:10 AM
        28h 55m
        1 stop
        PUS 9:05 PM
        Seattle - Busan | Fri, Oct 23 | Asiana Airlines
        $826 $944
        13% off
        13% off
        $944 $826
      • PUS 12:15 PM
        23h 30m
        1 stop
        SEA 7:45 PM
        Busan - Seattle | Wed, Sep 16 | China Airlines
        SEA 1:15 AM
        18h
        1 stop
        PUS 11:15 AM
        Seattle - Busan | Tue, Sep 22 | China Airlines
        $845 $944
        10% off
        10% off
        $944 $845
      • PUS 12:15 PM
        23h
        1 stop
        SEA 7:15 PM
        Busan - Seattle | Wed, Oct 7 | China Airlines
        SEA 1:15 AM
        18h
        1 stop
        PUS 11:15 AM
        Seattle - Busan | Tue, Oct 13 | China Airlines
        $845 $944
        10% off
        10% off
        $944 $845
      • PUS 8:50 AM
        22h 25m
        1 stop
        SEA 3:15 PM
        Busan - Seattle | Sat, Oct 17 | Air Busan
        SEA 12:10 AM
        27h 35m
        1 stop
        PUS 7:45 PM
        Seattle - Busan | Fri, Oct 23 | Asiana Airlines
        $847
        10% off
        $944 $847
      • PUS 10:30 AM
        24h 45m
        1 stop
        SEA 7:15 PM
        Busan - Seattle | Thu, Oct 22 | China Airlines
        SEA 1:10 AM
        17h 40m
        1 stop
        PUS 10:50 AM
        Seattle - Busan | Wed, Oct 28 | China Airlines
        $850
        10% off
        $944 $850
      • PUS 10:30 AM
        24h 45m
        1 stop
        SEA 7:15 PM
        Busan - Seattle | Thu, Sep 24 | China Airlines
        SEA 1:15 AM
        18h
        1 stop
        PUS 11:15 AM
        Seattle - Busan | Thu, Oct 1 | China Airlines
        $855
        9% off
        $944 $855
      • PUS 10:10 AM
        25h
        1 stop
        SEA 6:10 PM
        Busan - Seattle | Tue, Nov 3 | China Airlines
        SEA 12:10 AM
        25h 40m
        1 stop
        PUS 6:50 PM
        Seattle - Busan | Tue, Nov 10 | China Airlines
        $859
        9% off
        $944 $859
      • PUS 12:15 PM
        23h
        1 stop
        SEA 7:15 PM
        Busan - Seattle | Sat, Sep 19 | China Airlines
        SEA 1:15 AM
        18h
        1 stop
        PUS 11:15 AM
        Seattle - Busan | Wed, Sep 23 | China Airlines
        $859
        9% off
        $944 $859
      • PUS 10:10 AM
        25h
        1 stop
        SEA 6:10 PM
        Busan - Seattle | Thu, Nov 12 | China Airlines
        SEA 12:10 AM
        17h 40m
        1 stop
        PUS 10:50 AM
        Seattle - Busan | Wed, Nov 18 | China Airlines
        $859
        9% off
        $944 $859
      • PUS 10:10 AM
        25h
        1 stop
        SEA 6:10 PM
        Busan - Seattle | Tue, Nov 10 | China Airlines
        SEA 12:10 AM
        25h 40m
        1 stop
        PUS 6:50 PM
        Seattle - Busan | Tue, Nov 17 | China Airlines
        $859
        9% off
        $944 $859
      • PUS 1:00 PM
        17h 25m
        1 stop
        SEA 2:00 PM
        Busan - Seattle | Thu, Sep 17 | Normal Airline
        SEA 3:00 PM
        6h
        Nonstop
        PUS 4:00 PM
        Seattle - Busan | Sat, Sep 19 | Normal Airline
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        Find more flights
      • PUS 10:50 AM
        21h 20m
        1 stop
        SEA 4:10 PM
        Busan - Seattle | Fri, Sep 18 | Air Busan
        $500 $910
        45% off
        45% off
        $910 $500
      • PUS 10:00 AM
        22h 10m
        1 stop
        SEA 4:10 PM
        Busan - Seattle | Fri, Sep 18 | Eastar Jet
        $509 $910
        44% off
        44% off
        $910 $509
      • PUS 7:00 AM
        24h 15m
        1 stop
        SEA 3:15 PM
        Busan - Seattle | Tue, Oct 6 | Korean Air
        $513 $910
        44% off
        44% off
        $910 $513
      • PUS 9:30 AM
        22h 40m
        1 stop
        SEA 4:10 PM
        Busan - Seattle | Fri, Sep 18 | Jeju Air
        $524
        42% off
        $910 $524
      • PUS 10:30 AM
        24h 45m
        1 stop
        SEA 7:15 PM
        Busan - Seattle | Tue, Oct 6 | China Airlines
        $546
        40% off
        $910 $546
      • PUS 12:15 PM
        23h
        1 stop
        SEA 7:15 PM
        Busan - Seattle | Fri, Sep 18 | China Airlines
        $571
        37% off
        $910 $571
      • PUS 9:30 AM
        22h 40m
        1 stop
        SEA 4:10 PM
        Busan - Seattle | Sun, Sep 20 | Jeju Air
        $579
        36% off
        $910 $579
      • PUS 10:05 AM
        22h 5m
        1 stop
        SEA 4:10 PM
        Busan - Seattle | Sun, Sep 20 | Eastar Jet
        $594
        35% off
        $910 $594
      • PUS 10:30 AM
        24h 45m
        1 stop
        SEA 7:15 PM
        Busan - Seattle | Tue, Sep 22 | China Airlines
        $726
        20% off
        $910 $726
      • PUS 8:00 PM
        15h 15m
        1 stop
        SEA 7:15 PM
        Busan - Seattle | Fri, Oct 2 | China Airlines
        $828
        9% off
        $910 $828
      • PUS 1:00 PM
        17h 25m
        1 stop
        SEA 2:00 PM
        Busan - Seattle | Thu, Sep 17 | Normal Airline
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        Find more flights

Which airlines are the most popular for Busan to Seattle flights?

You can choose from 1 airlines that fly from Busan to Seattle, including Korean Air, Air Busan has lowest fares on this route.
Korean Air logo Korean Air
Airlines are determined based on actual purchased flight tickets from Busan to Seattle according to previous 12 months data from Trip.com.

Frequently Asked Questions

  • What are the cheapest flights from Busan to Seattle (PUS-SEA)?

    Based on Trip.com data, Air Busan offers one-way fares as low as $500 on Cheapest nonstop routes (e.g. PUS to SEA on Fri, Sep 18), while Jeju Air offers Cheapest nonstop round-trips from $826 departing on Sat, Oct 17 and returning on Fri, Oct 23.
  • At the moment, you can catch a nonstop flight from Busan to Seattle with the following airlines, including: Air Busan Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Busan to Seattle is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from Busan to Seattle, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Fri, Sep 18, with one-way flights priced at just $500.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Air Busan.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Seattle travel is around January.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Busan to Seattle is September, when demand for travel is lower.
  • After crunching the numbers on our September flight calendar, it's currently cheapest to fly from Busan to Seattle on September 17, 2026 with Air Busan, with prices starting at $500.
  • You can arrive at any of the following airports in Seattle: Seattle-Tacoma International Airport (SEA), King County (Boeing Field) International Airport (BFI), and Kenmore Air Harbor Seaplane Base (LKE). Flights from Gimhae International Airport to Seattle-Tacoma International Airport (PUS-SEA) are by far the most popular option for this route.
  • The time difference between Seattle and Busan is 17h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.
  • Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Busan to Seattle is $829. Fares vary by travel date, airline and availability.
  • Enter Busan and Seattle, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.
  • Air Busanare the most popular budget airlines flying from Busan to Seattle. Check baggage, seat and payment fees before comparing the final price.

Explore More Popular Flights

Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.