Search cheap flights from Phoenix to Seoul in the next 3 months. Based on Trip.com's latest 7-day data, one-way fares start at US$503, and round-trip tickets start at US$887.

Displayed flight fares from Phoenix to Seoul are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Trip.com Price Insights on Flights from Phoenix to Seoul

Which month has the cheapest one-way flights from to Seoul?

Average monthly one-way flight prices from to Seoul, based on bookings made by Trip.com users over the past 12 months.

Based on Trip.com’s data, the cheapest month for flights from to Seoul is January, with an average price of US$460; while the month with the highest flight price is usually October, with an average price of up to US$1,215.

US$1,215
US$838
US$460
US$83
    Cheapest
  • US$956
    May
  • US$785
    Jun
  • US$707
    Jul
  • US$553
    Aug
  • US$546
    Sep
  • US$1,215
    Oct
  • US$515
    Nov
  • US$726
    Dec
  • US$460
    Jan
  • US$678
    Feb
  • US$782
    Mar
  • US$787
    Apr

Frequently Asked Questions

  • What are the cheapest flights from Phoenix to Seoul (PHX-SEL)?

    Based on Trip.com data, Alaska Airlines offers one-way fares as low as US$503 on Cheapest nonstop routes (e.g. PHX to ICN on Sat, Jul 4), while WestJet offers Cheapest nonstop round-trips from US$887 departing on Sat, Jun 6 and returning on Sat, Jun 13.
  • At the moment, several airlines serve connecting flights from Phoenix to Seoul, including: Delta Air Lines Korean Air Selected airlines are based on historical data collected from flight bookings made by users 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 Phoenix to Seoul 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 Phoenix to Seoul, 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 Sat, Jul 4, with one-way flights priced at just US$503.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Alaska Airlines.
    · 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 Seoul travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Phoenix to Seoul is October, when demand for travel is lower.
  • After crunching the numbers on our May flight calendar, it's currently cheapest to fly from Phoenix to Seoul on May 22, 2026 with WestJet, with prices starting at US$1,209.
  • You can land at any one of the following hubs in Seoul, with Phoenix Sky Harbor International Airport to Incheon International Airport (PHX-ICN) is by far the most common option on this route: Gimpo International Airport (GMP) Incheon International Airport (ICN).
  • The time difference between Seoul and Phoenix is 16h.
  • 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.

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

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before you pay. Charges for checked baggage, onboard meals, Wi‑Fi, and other optional services are also included where applicable in the flight cards.

Real-time pricing updates

Prices, availability, and travel details on this page have been updated within the last 24 hours, and for many routes are refreshed in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.