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Cheap flights from Quito to Seattle from $323

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Quito to Seattle departing on 2/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:20 pm - 10:25 amUIO-SEA
20h 05m1 stop
Multiple Airlines Logo
2:25 pm - 12:35 amSEA-UIO
31h 10m2 stops
$636Multiple Airlines
Find Deal
Tue, Nov 11 - Mon, Dec 8
United Airlines Logo
12:35 am - 1:58 pmUIO-SEA
15h 23m2 stops
United Airlines Logo
11:59 pm - 11:25 pmSEA-UIO
21h 26m1 stop
$672United Airlines
Find Deal
Fri, Apr 17 - Thu, Jun 11
Multiple Airlines Logo
5:20 pm - 10:25 amUIO-SEA
20h 05m1 stop
Multiple Airlines Logo
5:50 pm - 12:35 amSEA-UIO
27h 45m2 stops
$678Multiple Airlines
Find Deal
Tue, Nov 11 - Thu, Dec 4
Multiple Airlines Logo
5:20 pm - 10:25 amUIO-SEA
20h 05m1 stop
Multiple Airlines Logo
2:25 pm - 12:51 pmSEA-UIO
19h 26m2 stops
$683Multiple Airlines
Find Deal
Tue, Nov 11 - Mon, Dec 8
Multiple Airlines Logo
5:20 pm - 10:25 amUIO-SEA
20h 05m1 stop
Multiple Airlines Logo
2:59 pm - 12:51 pmSEA-UIO
18h 52m2 stops
$691Multiple Airlines
Find Deal
Tue, Nov 11 - Tue, Dec 9
Multiple Airlines Logo
12:55 am - 10:40 amUIO-SEA
36h 45m2 stops
Multiple Airlines Logo
4:21 pm - 5:17 amSEA-UIO
33h 56m3 stops
$694Multiple Airlines
Find Deal
Mon, Nov 10 - Thu, Dec 4
Multiple Airlines Logo
12:55 am - 8:46 pmUIO-SEA
22h 51m2 stops
Multiple Airlines Logo
5:50 pm - 5:17 amSEA-UIO
32h 27m3 stops
$695Multiple Airlines
Find Deal
Wed, Nov 12 - Tue, Dec 2
LATAM Airlines Logo
6:45 pm - 9:58 pmUIO-SEA
30h 13m2 stops
LATAM Airlines Logo
2:11 pm - 6:55 pmSEA-UIO
25h 44m2 stops
$700LATAM Airlines
Find Deal
Fri, Nov 21 - Sun, Nov 23
LATAM Airlines Logo
6:45 pm - 10:12 pmUIO-SEA
29h 27m2 stops
LATAM Airlines Logo
3:30 pm - 7:05 pmSEA-UIO
25h 35m2 stops
$713LATAM Airlines
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Sat, Mar 14 - Sun, May 3
Delta Logo
12:55 am - 11:59 pmUIO-SEA
26h 04m1 stop
Delta Logo
7:55 am - 5:17 amSEA-UIO
18h 22m1 stop
$726Delta
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Tue, Nov 25 - Sat, Dec 6

United Airlines flights from Quito to Seattle

Our best United Airlines deals on Quito to Seattle flight tickets
United Airlines
Apr 17
UIO12:35 amQuito Mariscal Sucr
15h 23m
2 stops
SEA1:58 pmSeattle/Tacoma Intl
Jun 11
SEA11:59 pmSeattle/Tacoma Intl
21h 26m
1 stop
UIO11:25 pmQuito Mariscal Sucr
$672
Find similar
United Airlines
Nov 25
UIO1:35 amQuito Mariscal Sucr
22h 38m
2 stops
SEA9:13 pmSeattle/Tacoma Intl
Dec 6
SEA7:29 pmSeattle/Tacoma Intl
26h 01m
2 stops
UIO12:30 amQuito Mariscal Sucr
$739
Find similar
United Airlines
Apr 17
UIO12:35 amQuito Mariscal Sucr
23h 43m
2 stops
SEA10:18 pmSeattle/Tacoma Intl
Jun 11
SEA2:15 pmSeattle/Tacoma Intl
31h 10m
2 stops
UIO11:25 pmQuito Mariscal Sucr
$759
Find similar

LATAM Airlines flights from Quito to Seattle

Our best LATAM Airlines deals on Quito to Seattle flight tickets
LATAM Airlines
Nov 3
UIO9:11 amQuito Mariscal Sucr
15h 36m
1 stop
SEA9:47 pmSeattle/Tacoma Intl
Nov 4
SEA10:10 amSeattle/Tacoma Intl
29h 45m
2 stops
UIO6:55 pmQuito Mariscal Sucr
$686
Find similar
LATAM Airlines
Nov 3
UIO7:05 amQuito Mariscal Sucr
41h 42m
2 stops
SEA9:47 pmSeattle/Tacoma Intl
Nov 5
SEA10:10 amSeattle/Tacoma Intl
29h 45m
2 stops
UIO6:55 pmQuito Mariscal Sucr
$696
Find similar
LATAM Airlines
Nov 21
UIO6:45 pmQuito Mariscal Sucr
30h 13m
2 stops
SEA9:58 pmSeattle/Tacoma Intl
Nov 23
SEA2:11 pmSeattle/Tacoma Intl
25h 44m
2 stops
UIO6:55 pmQuito Mariscal Sucr
$700
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Quito to Seattle 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 October 30, 2025.
Use the filters below to find and compare flights from Quito to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

QuitoSeattle

UIO - SEA

UIOSEA

Quito Mariscal Sucr

Tue 11/11

5:20 pm-10:25 am

1 stop20h 05m

Seattle/Tacoma Intl

Mon 12/8

2:25 pm-12:35 am

2 stops31h 10m

$636

QuitoSeattle

UIO - SEA

UIOSEA

Quito Mariscal Sucr

Fri 4/17

12:35 am-1:58 pm

2 stops15h 23m

Seattle/Tacoma Intl

Thu 6/11

11:59 pm-11:25 pm

1 stop21h 26m

$672

QuitoSeattle

UIO - SEA

UIOSEA

Quito Mariscal Sucr

Tue 11/11

5:20 pm-10:25 am

1 stop20h 05m

Seattle/Tacoma Intl

Thu 12/4

5:50 pm-12:35 am

2 stops27h 45m

$678

QuitoSeattle

UIO - SEA

UIOSEA

Quito Mariscal Sucr

Tue 11/11

5:20 pm-10:25 am

1 stop20h 05m

Seattle/Tacoma Intl

Mon 12/8

2:25 pm-12:51 pm

2 stops19h 26m

$683

QuitoSeattle

UIO - SEA

UIOSEA

Quito Mariscal Sucr

Tue 11/11

5:20 pm-10:25 am

1 stop20h 05m

Seattle/Tacoma Intl

Tue 12/9

2:59 pm-12:51 pm

2 stops18h 52m

$691

QuitoSeattle

UIO - SEA

UIOSEA

Quito Mariscal Sucr

Mon 11/10

12:55 am-10:40 am

2 stops36h 45m

Seattle/Tacoma Intl

Thu 12/4

4:21 pm-5:17 am

3 stops33h 56m

$694

QuitoSeattle

UIO - SEA

UIOSEA

Quito Mariscal Sucr

Wed 11/12

12:55 am-8:46 pm

2 stops22h 51m

Seattle/Tacoma Intl

Tue 12/2

5:50 pm-5:17 am

3 stops32h 27m

$695

QuitoSeattle

UIO - SEA

UIOSEA

Quito Mariscal Sucr

Fri 11/21

6:45 pm-9:58 pm

2 stops30h 13m

Seattle/Tacoma Intl

Sun 11/23

2:11 pm-6:55 pm

2 stops25h 44m

$700

QuitoSeattle

UIO - SEA

UIOSEA

Quito Mariscal Sucr

Sat 3/14

6:45 pm-10:12 pm

2 stops29h 27m

Seattle/Tacoma Intl

Sun 5/3

3:30 pm-7:05 pm

2 stops25h 35m

$713

QuitoSeattle

UIO - SEA

UIOSEA

Quito Mariscal Sucr

Tue 11/25

12:55 am-11:59 pm

1 stop26h 04m

Seattle/Tacoma Intl

Sat 12/6

7:55 am-5:17 am

1 stop18h 22m

$726

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 Seattle from

How to get the cheapest flight ticket from Quito to Seattle

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 Quito and Seattle?

What is the cheapest month to fly to Seattle?

In general, September is the cheapest month to fly from Quito to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $671. If you don’t want to visit Seattle in September, then you should wait until February to fly from Quito, when ticket prices are also cheap, with an average price of $674.

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Quito is on a Friday. momondo users have found tickets for Friday departures for as low as $584. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Quito because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $927.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from Quito in the evening is the least expensive time of day to depart. momondo users have found prices as low as $749 when looking at flights departing in the evening. Flights to Seattle are more costly in the morning, with an average ticket price of $786. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to Seattle from Quito when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $773 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Quito for as low as $659 on momondo.

Can stopping save me money on Quito to Seattle flights?

You could potentially save up to 48% on your flight if you consider stops on a Quito to Seattle flight.

How have Quito to Seattle flight prices changed over time?

As of October 2025, prices for Quito to Seattle flights are approximately 19% cheaper when compared to flights at the same time last year.

When to book flights from Quito to Seattle

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

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

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

Direct flights

None
There are no direct flights from Quito to Seattle. There are no popular flight routes from Quito to Seattle.
Search flight deals

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

    The straight-line distance from Quito Mariscal Sucr to Seattle/Tacoma Intl is 4217.8 mi. By plane, this route typically takes 12h 59m.

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

    Prices for flights from Quito Mariscal Sucr Airport to Seattle/Tacoma Intl Airport are refreshed on a daily basis.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Quito Mariscal Sucr Airport to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

Best airlines flying from Quito to Seattle

Compare and see reviews for airlines that fly from Quito to Seattle with momondo
Airline
Rating
Free Cancellation
Price
LATAM AirlinesPriceFrom $671Free CancellationRating
7.5
1,873 reviews
Search LATAM Airlines flights

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
SeaTac
Ocean Shores
Renton
Olympia
Lynnwood
Kent
Puyallup
Marysville
Redmond
Tukwila
Federal Way
Lakewood
Cle Elum
Fife
Centralia
Kirkland
Shoreline
Westport

Why use momondo?

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

It is quick and easy to find Quito to Seattle flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Seattle that suits you.

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

Yes. momondo allows you to filter the results for Quito to Seattle flights to just show those with flexible booking policies.

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

Once you have performed a search for Quito to Seattle flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to Seattle, momondo offers a useful price alert feature which will track prices for flights to Seattle from Quito and alert you when they change.

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