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Flights from Seattle to Nha Trang

Search cheap flights from Seattle to Nha Trang in the next 3 months. Based on Trip.com's latest 7-day data, one-way fares start at US$715, and round-trip tickets start at US$1,216.

      • SEA 13:20
        19h 45m
        1 stop
        CXR 23:05
        Seattle - Nha Trang | Sun, Aug 30 | Korean Air
        CXR 00:20
        24h 40m
        1 stop
        SEA 11:00
        Nha Trang - Seattle | Wed, Sep 2 | Korean Air
        US$1,216 US$2,050
        41% off
        41% off
        US$2,050 US$1,216
      • SEA 13:20
        19h 45m
        1 stop
        CXR 23:05
        Seattle - Nha Trang | Sun, Aug 30 | Delta Air Lines
        CXR 00:20
        27h 17m
        1 stop
        SEA 13:37
        Nha Trang - Seattle | Wed, Sep 2 | Korean Air
        US$1,296 US$2,050
        37% off
        37% off
        US$2,050 US$1,296
      • SEA 10:15
        35h 15m
        1 stop
        CXR 11:30
        Seattle - Nha Trang | Fri, Aug 14 | Singapore Airlines
        CXR 12:10
        34h 35m
        1 stop
        SEA 08:45
        Nha Trang - Seattle | Thu, Aug 20 | Singapore Airlines
        US$1,426 US$2,050
        30% off
        30% off
        US$2,050 US$1,426
      • SEA 13:20
        19h 45m
        1 stop
        CXR 23:05
        Seattle - Nha Trang | Wed, Aug 19 | Delta Air Lines
        CXR 00:20
        27h 17m
        1 stop
        SEA 13:37
        Nha Trang - Seattle | Wed, Aug 26 | Delta Air Lines
        US$1,509
        26% off
        US$2,050 US$1,509
      • SEA 13:35
        19h 30m
        1 stop
        CXR 23:05
        Seattle - Nha Trang | Sun, Aug 30 | Alaska Airlines
        CXR 00:20
        27h 20m
        1 stop
        SEA 13:40
        Nha Trang - Seattle | Wed, Sep 2 | Korean Air
        US$1,724
        16% off
        US$2,050 US$1,724
      • SEA 10:15
        41h 50m
        1 stop
        CXR 18:05
        Seattle - Nha Trang | Thu, Aug 6 | Singapore Airlines
        CXR 12:10
        34h 35m
        1 stop
        SEA 08:45
        Nha Trang - Seattle | Wed, Aug 12 | Singapore Airlines
        US$1,739
        15% off
        US$2,050 US$1,739
      • SEA 10:15
        35h 15m
        1 stop
        CXR 11:30
        Seattle - Nha Trang | Mon, Aug 3 | Singapore Airlines
        CXR 12:10
        34h 35m
        1 stop
        SEA 08:45
        Nha Trang - Seattle | Sun, Aug 9 | Singapore Airlines
        US$1,746
        15% off
        US$2,050 US$1,746
      • SEA 13:20
        19h 45m
        1 stop
        CXR 23:05
        Seattle - Nha Trang | Sun, Aug 9 | Korean Air
        CXR 00:20
        24h 40m
        1 stop
        SEA 11:00
        Nha Trang - Seattle | Mon, Aug 17 | Korean Air
        US$1,811
        12% off
        US$2,050 US$1,811
      • SEA 13:20
        19h 45m
        1 stop
        CXR 23:05
        Seattle - Nha Trang | Mon, Jul 20 | Delta Air Lines
        CXR 00:20
        27h 21m
        1 stop
        SEA 13:41
        Nha Trang - Seattle | Sun, Jul 26 | Delta Air Lines
        US$1,899
        7% off
        US$2,050 US$1,899
      • SEA 10:15
        35h 15m
        1 stop
        CXR 11:30
        Seattle - Nha Trang | Fri, Aug 7 | Singapore Airlines
        CXR 12:10
        34h 35m
        1 stop
        SEA 08:45
        Nha Trang - Seattle | Thu, Aug 13 | Singapore Airlines
        US$1,927
        6% off
        US$2,050 US$1,927
      • SEA 13:00
        17h 25m
        1 stop
        NHA 14:00
        Seattle - Nha Trang | Sat, Jul 18 | Normal Airline
        NHA 15:00
        6h
        Nonstop
        SEA 16:00
        Nha Trang - Seattle | Mon, Jul 20 | Normal Airline
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      • SEA 13:20
        19h 45m
        1 stop
        CXR 23:05
        Seattle - Nha Trang | Sun, Jul 19 | Korean Air
        US$715 US$1,514
        53% off
        53% off
        US$1,514 US$715
      • SEA 13:20
        19h 45m
        1 stop
        CXR 23:05
        Seattle - Nha Trang | Tue, Jul 21 | Korean Air
        US$768 US$1,514
        49% off
        49% off
        US$1,514 US$768
      • SEA 10:15
        35h 15m
        1 stop
        CXR 11:30
        Seattle - Nha Trang | Sat, Aug 15 | Singapore Airlines
        US$905 US$1,514
        40% off
        40% off
        US$1,514 US$905
      • SEA 13:20
        19h 45m
        1 stop
        CXR 23:05
        Seattle - Nha Trang | Sat, Aug 15 | Korean Air
        US$1,423
        6% off
        US$1,514 US$1,423
      • SEA 13:00
        17h 25m
        1 stop
        NHA 14:00
        Seattle - Nha Trang | Sat, Jul 18 | Normal Airline
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        Find more flights

Seattle to Nha Trang Flight Details

The distance between Seattle and Nha Trang is about 11,652.75 km. Based on Trip.com's latest data, travel demand is highest in August. The off-season for travel is September.

Cheapest one-way flight priceUS$715
Cheapest return ticket priceUS$1,216
Cheapest monthSeptember
Peak season for travelAugust
Flight distance11,652.75 km
Flight statistics for the Seattle–Nha Trang route are based on aggregated booking data from Trip.com over the past 12 months.

Frequently Asked Questions

  • What are the cheapest flights from Seattle to Nha Trang (SEA-NHA)?

    Based on Trip.com data, Korean Air offers one-way fares as low as US$715 on Cheapest nonstop routes (e.g. SEA to CXR on Sun, Jul 19), while Korean Air offers Cheapest nonstop round-trips from US$1,216 departing on Sun, Aug 30 and returning on Wed, Sep 2.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Seattle to Nha Trang 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 Seattle to Nha Trang, 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 Sun, Jul 19, with one-way flights priced at just US$715.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Korean Air.
    · 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 Nha Trang travel is around August.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Seattle to Nha Trang is September, when demand for travel is lower.
  • After crunching the numbers on our July flight calendar, it's currently cheapest to fly from Seattle to Nha Trang on July 22, 2026 with Korean Air, with prices starting at US$1,477.
  • The time difference between Nha Trang and Seattle is 15h.
  • 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.

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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.