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Flights from Seattle to Quito

What to know about flights from Seattle to Quito?

The distance between Seattle and Quito is approximately 6,784.59 km. Based on Trip.com's data, travel demand peaks in July.

Cheapest one-way
$494
avianca avianca SEA-UIO 29h 17m · 1 stop Fri, Oct 23
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Cheapest round-trip
$899
United Airlines United Airlines SEA-UIO 14h 25m · 2 stops Tue, Nov 17 - Tue, Nov 24
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Recommended airlines
avianca avianca Cheapest · From $494 Aeromexico Aeromexico Most booked
When to travel
October
Cheapest
July
Peak season for travel
Route details
6,784.59 km
Flight distance

Explore the cheapest one-way and round-trip flights from Seattle to Quito over the next 90 days, with one-way fares from $494 and round-trip from $899. Based on Trip.com's latest 7-day flight data.

    • SEA 7:05 AM
      14h 25m
      1 stop
      UIO 12:30 AM
      Seattle - Quito | Tue, Nov 17 | United Airlines
      UIO 1:35 AM
      20h 42m
      1 stop
      SEA 7:17 PM
      Quito - Seattle | Tue, Nov 24 | United Airlines
      $899 $1,220
      26% off
      26% off
      $1,220 $899
    • SEA 2:02 PM
      14h 33m
      1 stop
      UIO 6:35 AM
      Seattle - Quito | Sat, Oct 31 | Alaska Airlines
      UIO 5:20 PM
      20h 3m
      1 stop
      SEA 10:23 AM
      Quito - Seattle | Wed, Nov 4 | avianca
      $958 $1,220
      21% off
      21% off
      $1,220 $958
    • SEA 11:59 PM
      21h 31m
      1 stop
      UIO 12:30 AM
      Seattle - Quito | Mon, Nov 2 | United Airlines
      UIO 1:35 AM
      14h 50m
      1 stop
      SEA 1:25 PM
      Quito - Seattle | Mon, Nov 9 | United Airlines
      $963 $1,220
      21% off
      21% off
      $1,220 $963
    • SEA 7:05 AM
      14h 25m
      1 stop
      UIO 11:30 PM
      Seattle - Quito | Fri, Oct 30 | United Airlines
      UIO 1:35 AM
      16h 4m
      1 stop
      SEA 2:39 PM
      Quito - Seattle | Fri, Nov 6 | United Airlines
      $966
      21% off
      $1,220 $966
    • SEA 7:05 AM
      14h 25m
      1 stop
      UIO 11:30 PM
      Seattle - Quito | Wed, Oct 28 | United Airlines
      UIO 1:35 AM
      16h 4m
      1 stop
      SEA 2:39 PM
      Quito - Seattle | Wed, Nov 4 | United Airlines
      $967
      21% off
      $1,220 $967
    • SEA 11:59 PM
      21h 26m
      1 stop
      UIO 11:25 PM
      Seattle - Quito | Sat, Oct 24 | United Airlines
      UIO 12:35 AM
      20h 42m
      1 stop
      SEA 7:17 PM
      Quito - Seattle | Sat, Oct 31 | United Airlines
      $976
      20% off
      $1,220 $976
    • SEA 7:17 AM
      19h 43m
      1 stop
      UIO 5:00 AM
      Seattle - Quito | Sun, Oct 25 | United Airlines
      UIO 12:35 AM
      20h 42m
      1 stop
      SEA 7:17 PM
      Quito - Seattle | Sun, Nov 1 | United Airlines
      $977
      20% off
      $1,220 $977
    • SEA 9:30 AM
      31h 1m
      1 stop
      UIO 7:31 PM
      Seattle - Quito | Sun, Nov 15 | Aeromexico
      UIO 9:05 AM
      13h 50m
      1 stop
      SEA 7:55 PM
      Quito - Seattle | Sun, Nov 22 | Aeromexico
      $980
      20% off
      $1,220 $980
    • SEA 7:05 AM
      14h 25m
      1 stop
      UIO 12:30 AM
      Seattle - Quito | Sun, Nov 15 | United Airlines
      UIO 1:35 AM
      24h 16m
      1 stop
      SEA 10:51 PM
      Quito - Seattle | Sun, Nov 22 | United Airlines
      $987
      19% off
      $1,220 $987
    • SEA 1:00 PM
      17h 25m
      1 stop
      UIO 2:00 PM
      Seattle - Quito | Sun, Oct 18 | Normal Airline
      UIO 3:00 PM
      6h
      Nonstop
      SEA 4:00 PM
      Quito - Seattle | Tue, Oct 20 | Normal Airline
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    • Cheapest
      SEA 11:18 PM
      29h 17m
      1 stop
      UIO 6:35 AM
      Seattle - Quito | Fri, Oct 23 | avianca
      $494 $760
      35% off
      35% off
      $760 $494
    • SEA 2:02 PM
      14h 33m
      1 stop
      UIO 6:35 AM
      Seattle - Quito | Mon, Oct 19 | avianca
      $503 $760
      34% off
      34% off
      $760 $503
    • SEA 11:59 PM
      21h 26m
      1 stop
      UIO 11:25 PM
      Seattle - Quito | Fri, Oct 23 | United Airlines
      $511 $760
      33% off
      33% off
      $760 $511
    • SEA 6:00 AM
      10h 59m
      1 stop
      UIO 6:59 PM
      Seattle - Quito | Fri, Oct 23 | LATAM Airlines
      $528
      31% off
      $760 $528
    • SEA 12:00 PM
      15h
      1 stop
      UIO 5:00 AM
      Seattle - Quito | Mon, Oct 19 | United Airlines
      $541
      28% off
      $760 $541
    • SEA 3:55 PM
      25h 4m
      1 stop
      UIO 6:59 PM
      Seattle - Quito | Mon, Oct 19 | Delta Air Lines
      $545
      28% off
      $760 $545
    • SEA 6:00 AM
      10h 59m
      1 stop
      UIO 6:59 PM
      Seattle - Quito | Mon, Oct 19 | LATAM Airlines
      $558
      27% off
      $760 $558
    • SEA 9:30 AM
      29h 48m
      1 stop
      UIO 5:18 PM
      Seattle - Quito | Fri, Oct 23 | Aeromexico
      $564
      26% off
      $760 $564
    • SEA 9:30 AM
      31h 1m
      1 stop
      UIO 7:31 PM
      Seattle - Quito | Mon, Nov 30 | Aeromexico
      $567
      25% off
      $760 $567
    • SEA 1:00 PM
      17h 25m
      1 stop
      UIO 2:00 PM
      Seattle - Quito | Sun, Oct 18 | Normal Airline
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    • SEA 6:00 AM
      12h 25m
      1 stop
      UIO 9:25 PM
      Seattle - Quito | Sun, Nov 29 | Delta Air Lines
      $686 $847
      19% off
      19% off
      $847 $686
    • SEA 1:00 PM
      17h 25m
      1 stop
      UIO 2:00 PM
      Seattle - Quito | Sun, Oct 18 | Normal Airline
      Find more flights
      Find more flights

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

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

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

Frequently Asked Questions

  • What are the cheapest flights from Seattle to Quito (SEA-UIO)?

    Based on Trip.com data, avianca offers one-way fares as low as $494 on Cheapest nonstop routes (e.g. SEA to UIO on Fri, Oct 23), while United Airlines offers Cheapest nonstop round-trips from $899 departing on Tue, Nov 17 and returning on Tue, Nov 24.
  • At the moment, several airlines serve connecting flights from Seattle to Quito, including: Aeromexico 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 Seattle to Quito 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 Quito, 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, Oct 23, with one-way flights priced at just $494.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is avianca.
    · 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 Quito travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Seattle to Quito is October, when demand for travel is lower.
  • After crunching the numbers on our October flight calendar, it's currently cheapest to fly from Seattle to Quito on October 16, 2026 with Alaska Airlines, with prices starting at $404.
  • You can arrive at any of the following airports in Quito: Mariscal Sucre Quito International Airport (UIO). Flights from Seattle-Tacoma International Airport to Mariscal Sucre Quito International Airport (SEA-UIO) are by far the most popular option for this route.
  • The time difference between Quito and Seattle is 3h.
  • 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 Seattle to Quito is $587. Fares vary by travel date, airline and availability.
  • Enter Seattle and Quito, 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.

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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.