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Cheap flights from Seattle to Quito from $350

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Quito departing on 5/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Seattle to Quito

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:21 am - 2:55 am
SEA
-
UIO
37h 34m
2 stops
Multiple Airlines Logo
4:05 am - 6:35 pm
UIO
-
SEA
16h 30m
2 stops
$667Multiple Airlines
Sun, May 24 - Wed, Jun 3
LATAM Airlines Logo
7:50 am - 11:00 pm
SEA
-
UIO
37h 10m
2 stops
LATAM Airlines Logo
6:50 pm - 9:55 pm
UIO
-
SEA
29h 05m
1 stop
$711LATAM Airlines
Thu, May 7 - Mon, May 11
Multiple Airlines Logo
12:29 am - 8:40 am
SEA
-
UIO
30h 11m
2 stops
Multiple Airlines Logo
10:10 am - 10:40 am
UIO
-
SEA
26h 30m
2 stops
$744Multiple Airlines
Wed, May 6 - Mon, May 11
Multiple Airlines Logo
7:10 am - 2:55 am
SEA
-
UIO
17h 45m
2 stops
Multiple Airlines Logo
1:55 pm - 10:16 am
UIO
-
SEA
22h 21m
2 stops
$769Multiple Airlines
Mon, May 4 - Fri, May 8
Multiple Airlines Logo
10:27 am - 6:35 am
SEA
-
UIO
18h 08m
1 stop
Multiple Airlines Logo
8:15 am - 10:16 am
UIO
-
SEA
28h 01m
2 stops
$771Multiple Airlines
Mon, May 4 - Fri, May 8
Multiple Airlines Logo
8:35 am - 2:55 am
SEA
-
UIO
16h 20m
2 stops
Multiple Airlines Logo
4:05 am - 6:56 pm
UIO
-
SEA
16h 51m
2 stops
$772Multiple Airlines
Fri, Oct 2 - Mon, Oct 12
Multiple Airlines Logo
7:15 am - 2:55 am
SEA
-
UIO
17h 40m
2 stops
Multiple Airlines Logo
5:25 pm - 10:15 am
UIO
-
SEA
18h 50m
1 stop
$774Multiple Airlines
Fri, Oct 2 - Mon, Oct 12
Multiple Airlines Logo
6:45 am - 6:35 am
SEA
-
UIO
21h 50m
1 stop
Multiple Airlines Logo
5:25 pm - 10:12 am
UIO
-
SEA
18h 47m
1 stop
$777Multiple Airlines
Sun, May 24 - Wed, Jun 3
Multiple Airlines Logo
7:04 pm - 2:55 am
SEA
-
UIO
29h 51m
2 stops
Multiple Airlines Logo
12:00 pm - 10:12 am
UIO
-
SEA
24h 12m
2 stops
$778Multiple Airlines
Tue, May 5 - Wed, May 13
Multiple Airlines Logo
8:05 am - 8:40 am
SEA
-
UIO
22h 35m
2 stops
Multiple Airlines Logo
2:55 pm - 10:15 am
UIO
-
SEA
21h 20m
2 stops
$779Multiple Airlines
Mon, Oct 5 - Fri, Oct 9

United Airlines flights from Seattle to Quito

Our best United Airlines deals on Seattle to Quito flight tickets
United Airlines
Aug 25
SEA11:56 pmSeattle/Tacoma Intl
21h 29m
1 stop
UIO11:25 pmQuito Mariscal Sucr
Sep 7
UIO7:25 amQuito Mariscal Sucr
13h 42m
1 stop
SEA7:07 pmSeattle/Tacoma Intl
$848
United Airlines
Jul 4
SEA11:49 pmSeattle/Tacoma Intl
21h 36m
1 stop
UIO11:25 pmQuito Mariscal Sucr
Jul 13
UIO7:25 amQuito Mariscal Sucr
17h 17m
1 stop
SEA10:42 pmSeattle/Tacoma Intl
$858
United Airlines
Jul 4
SEA11:49 pmSeattle/Tacoma Intl
21h 36m
1 stop
UIO11:25 pmQuito Mariscal Sucr
Jul 14
UIO7:25 amQuito Mariscal Sucr
31h 09m
2 stops
SEA12:34 pmSeattle/Tacoma Intl
$863

Delta flights from Seattle to Quito

Our best Delta deals on Seattle to Quito flight tickets
Delta
May 1
SEA7:20 amSeattle/Tacoma Intl
19h 23m
2 stops
UIO4:43 amQuito Mariscal Sucr
May 9
UIO12:59 amQuito Mariscal Sucr
13h 16m
1 stop
SEA12:15 pmSeattle/Tacoma Intl
$2,747
Delta
May 1
SEA6:00 amSeattle/Tacoma Intl
20h 43m
2 stops
UIO4:43 amQuito Mariscal Sucr
May 10
UIO6:50 pmQuito Mariscal Sucr
20h 10m
2 stops
SEA1:00 pmSeattle/Tacoma Intl
$2,908
Delta
May 1
SEA7:20 amSeattle/Tacoma Intl
19h 23m
2 stops
UIO4:43 amQuito Mariscal Sucr
May 9
UIO12:59 amQuito Mariscal Sucr
15h 25m
1 stop
SEA2:24 pmSeattle/Tacoma Intl
$2,928

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Quito that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated April 24, 2026.
Use the filters below to find and compare flights from Seattle to Quito that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleQuito

SEA - UIO

SEAUIO

Seattle/Tacoma Intl

Sun 5/24

11:21 am-2:55 am

2 stops37h 34m

Quito Mariscal Sucr

Wed 6/3

4:05 am-6:35 pm

2 stops16h 30m

$667

SeattleQuito

SEA - UIO

SEAUIO

Seattle/Tacoma Intl

Thu 5/7

7:50 am-11:00 pm

2 stops37h 10m

Quito Mariscal Sucr

Mon 5/11

6:50 pm-9:55 pm

1 stop29h 05m

$711

SeattleQuito

SEA - UIO

SEAUIO

Seattle/Tacoma Intl

Wed 5/6

12:29 am-8:40 am

2 stops30h 11m

Quito Mariscal Sucr

Mon 5/11

10:10 am-10:40 am

2 stops26h 30m

$744

SeattleQuito

SEA - UIO

SEAUIO

Seattle/Tacoma Intl

Mon 5/4

7:10 am-2:55 am

2 stops17h 45m

Quito Mariscal Sucr

Fri 5/8

1:55 pm-10:16 am

2 stops22h 21m

$769

SeattleQuito

SEA - UIO

SEAUIO

Seattle/Tacoma Intl

Mon 5/4

10:27 am-6:35 am

1 stop18h 08m

Quito Mariscal Sucr

Fri 5/8

8:15 am-10:16 am

2 stops28h 01m

$771
Quickest round-trip

SeattleQuito

SEA - UIO

SEAUIO

Seattle/Tacoma Intl

Fri 10/2

8:35 am-2:55 am

2 stops16h 20m

Quito Mariscal Sucr

Mon 10/12

4:05 am-6:56 pm

2 stops16h 51m

$772

SeattleQuito

SEA - UIO

SEAUIO

Seattle/Tacoma Intl

Fri 10/2

7:15 am-2:55 am

2 stops17h 40m

Quito Mariscal Sucr

Mon 10/12

5:25 pm-10:15 am

1 stop18h 50m

$774

SeattleQuito

SEA - UIO

SEAUIO

Seattle/Tacoma Intl

Sun 5/24

6:45 am-6:35 am

1 stop21h 50m

Quito Mariscal Sucr

Wed 6/3

5:25 pm-10:12 am

1 stop18h 47m

$777

SeattleQuito

SEA - UIO

SEAUIO

Seattle/Tacoma Intl

Tue 5/5

7:04 pm-2:55 am

2 stops29h 51m

Quito Mariscal Sucr

Wed 5/13

12:00 pm-10:12 am

2 stops24h 12m

$778

SeattleQuito

SEA - UIO

SEAUIO

Seattle/Tacoma Intl

Mon 10/5

8:05 am-8:40 am

2 stops22h 35m

Quito Mariscal Sucr

Fri 10/9

2:55 pm-10:15 am

2 stops21h 20m

$779

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Quito from

How to get the cheapest flight ticket from Seattle to Quito

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Seattle and Quito?

What is the cheapest month to fly to Quito?

The cheapest month to fly to Quito from Seattle is in April. Flight prices, which tend to average around $810, are often lower during this time because this is during the off-season. If you aren’t able to travel to Quito during the month of April, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $812.

How far in advance should I book a flight from Seattle to Quito?

You are more likely to see cheaper flights to Quito from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Quito for around $930 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Quito from Seattle for as low as $767 on momondo.

Can stopping save me money on Seattle to Quito flights?

You could potentially save up to 50% on your flight if you consider stops on a Seattle to Quito flight.

How have Seattle to Quito flight prices changed over time?

As of April 2026, prices for Seattle to Quito flights are approximately 46% more expensive when compared to flights at the same time last year.

When to book flights from Seattle to Quito

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Quito according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Quito (SEA to UIO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Quito

Fastest flight time

15h 38m

Direct flights

None
The fastest flight from Seattle to Quito takes 15h 38m
There are no direct flights from Seattle to Quito. There are no popular flight routes from Seattle to Quito.
Search flight deals

Frequently asked questions about flying from Seattle to Quito

  • How far is Seattle/Tacoma Intl to Quito Mariscal Sucr by plane?

    There are 4217.8 mi between Seattle/Tacoma Intl and Quito Mariscal Sucr. Flights usually cover this in 15h 38m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Quito Mariscal Sucr Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Quito Mariscal Sucr Airport were last updated today.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Quito Mariscal Sucr Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Quito Mariscal Sucr Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Quito Mariscal Sucr Airport.

  • What documentation or ID do you need to fly to Quito Mariscal Sucr Airport?

    The required travel and health documents for your Quito Mariscal Sucr Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Quito Mariscal Sucr Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Seattle to Quito?

Best airlines flying from Seattle to Quito

Compare and see reviews for airlines that fly from Seattle to Quito with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $237Free CancellationRating
7.9
8,444 reviews
Search Delta flights
LATAM AirlinesPriceFrom $749Free CancellationRating
7.4
1,911 reviews
Search LATAM Airlines flights
American AirlinesPriceFrom $752Free CancellationRating
7.1
11,664 reviews
Search American Airlines flights
United AirlinesPriceFrom $805Free CancellationRating
7.4
9,644 reviews
Search United Airlines flights

Traveling to a place near Quito?

Book flights to Quito if you plan to visit one of these locations
Mindo
Ibarra
Otavalo

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Quito?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Quito from Seattle.

Can I find flights from Seattle to Quito with flexible booking policies on momondo?

Flights from Seattle to Quito with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Seattle to Quito?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Quito from Seattle.

I’m not ready to book a flight from Seattle to Quito right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Quito from Seattle. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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