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Cheap flights from Quito to Seattle from $356

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 3/18. 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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Find the cheapest flights from Quito to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:00 pm - 10:04 pm
UIO
-
SEA
29h 04m
1 stop
Multiple Airlines Logo
6:24 pm - 2:09 pm
SEA
-
UIO
17h 45m
2 stops
$667Multiple Airlines
Tue, Mar 10 - Tue, Mar 17
Delta Logo
6:50 pm - 9:05 pm
UIO
-
SEA
28h 15m
1 stop
Delta Logo
10:35 pm - 6:59 pm
SEA
-
UIO
18h 24m
1 stop
$673Delta
Mon, May 4 - Thu, May 14
United Airlines Logo
12:35 am - 11:29 pm
UIO
-
SEA
24h 54m
2 stops
United Airlines Logo
6:58 pm - 11:25 pm
SEA
-
UIO
50h 27m
2 stops
$685United Airlines
Sun, May 3 - Wed, May 13
Delta Logo
11:45 pm - 1:55 pm
UIO
-
SEA
16h 10m
1 stop
Delta Logo
8:00 am - 5:02 am
SEA
-
UIO
19h 02m
1 stop
$727Delta
Tue, Mar 10 - Tue, Mar 17
Multiple Airlines Logo
10:10 am - 9:53 am
UIO
-
SEA
25h 43m
2 stops
Multiple Airlines Logo
7:03 am - 2:55 am
SEA
-
UIO
17h 52m
2 stops
$735Multiple Airlines
Mon, Mar 30 - Sun, Apr 12
Copa Airlines Logo
6:31 pm - 7:45 pm
UIO
-
SEA
27h 14m
2 stops
Copa Airlines Logo
5:00 pm - 11:33 pm
SEA
-
UIO
28h 33m
2 stops
$739Copa Airlines
Wed, Apr 1 - Fri, May 29
LATAM Airlines Logo
7:06 am - 10:05 pm
UIO
-
SEA
16h 59m
2 stops
LATAM Airlines Logo
11:55 pm - 6:59 pm
SEA
-
UIO
17h 04m
1 stop
$745LATAM Airlines
Wed, Apr 1 - Fri, May 29
Multiple Airlines Logo
3:12 pm - 8:37 am
UIO
-
SEA
19h 25m
2 stops
Multiple Airlines Logo
8:05 am - 5:02 am
SEA
-
UIO
18h 57m
1 stop
$746Multiple Airlines
Tue, Mar 17 - Mon, Mar 23
United Airlines Logo
7:25 am - 6:35 pm
UIO
-
SEA
37h 10m
2 stops
United Airlines Logo
1:58 pm - 5:00 am
SEA
-
UIO
13h 02m
1 stop
$760United Airlines
Mon, Mar 30 - Sun, Apr 12
Delta Logo
6:50 pm - 12:27 pm
UIO
-
SEA
19h 37m
2 stops
Delta Logo
6:00 am - 4:43 am
SEA
-
UIO
20h 43m
2 stops
$763Delta
Mon, Mar 30 - Sun, Apr 12

Delta flights from Quito to Seattle

Our best Delta deals on Quito to Seattle flight tickets
Delta
May 4
UIO6:50 pmQuito Mariscal Sucr
28h 15m
1 stop
SEA9:05 pmSeattle/Tacoma Intl
May 14
SEA10:35 pmSeattle/Tacoma Intl
18h 24m
1 stop
UIO6:59 pmQuito Mariscal Sucr
$673
Delta
Mar 10
UIO11:45 pmQuito Mariscal Sucr
16h 10m
1 stop
SEA1:55 pmSeattle/Tacoma Intl
Mar 17
SEA8:00 amSeattle/Tacoma Intl
19h 02m
1 stop
UIO5:02 amQuito Mariscal Sucr
$727
Delta
Mar 30
UIO6:50 pmQuito Mariscal Sucr
19h 37m
2 stops
SEA12:27 pmSeattle/Tacoma Intl
Apr 12
SEA6:00 amSeattle/Tacoma Intl
20h 43m
2 stops
UIO4:43 amQuito Mariscal Sucr
$763

United Airlines flights from Quito to Seattle

Our best United Airlines deals on Quito to Seattle flight tickets
United Airlines
May 3
UIO12:35 amQuito Mariscal Sucr
24h 54m
2 stops
SEA11:29 pmSeattle/Tacoma Intl
May 13
SEA6:58 pmSeattle/Tacoma Intl
50h 27m
2 stops
UIO11:25 pmQuito Mariscal Sucr
$685
United Airlines
Mar 30
UIO7:25 amQuito Mariscal Sucr
37h 10m
2 stops
SEA6:35 pmSeattle/Tacoma Intl
Apr 12
SEA1:58 pmSeattle/Tacoma Intl
13h 02m
1 stop
UIO5:00 amQuito Mariscal Sucr
$760
United Airlines
Mar 30
UIO7:25 amQuito Mariscal Sucr
39h 32m
2 stops
SEA8:57 pmSeattle/Tacoma Intl
Apr 12
SEA1:58 pmSeattle/Tacoma Intl
13h 02m
1 stop
UIO5:00 amQuito Mariscal Sucr
$772

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 February 12, 2026.
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 3/10

7:00 pm-10:04 pm

1 stop29h 04m

Seattle/Tacoma Intl

Tue 3/17

6:24 pm-2:09 pm

2 stops17h 45m

$667

QuitoSeattle

UIO - SEA

UIOSEA

Quito Mariscal Sucr

Mon 5/4

6:50 pm-9:05 pm

1 stop28h 15m

Seattle/Tacoma Intl

Thu 5/14

10:35 pm-6:59 pm

1 stop18h 24m

$673

QuitoSeattle

UIO - SEA

UIOSEA

Quito Mariscal Sucr

Sun 5/3

12:35 am-11:29 pm

2 stops24h 54m

Seattle/Tacoma Intl

Wed 5/13

6:58 pm-11:25 pm

2 stops50h 27m

$685

QuitoSeattle

UIO - SEA

UIOSEA

Quito Mariscal Sucr

Tue 3/10

11:45 pm-1:55 pm

1 stop16h 10m

Seattle/Tacoma Intl

Tue 3/17

8:00 am-5:02 am

1 stop19h 02m

$727

QuitoSeattle

UIO - SEA

UIOSEA

Quito Mariscal Sucr

Mon 3/30

10:10 am-9:53 am

2 stops25h 43m

Seattle/Tacoma Intl

Sun 4/12

7:03 am-2:55 am

2 stops17h 52m

$735

QuitoSeattle

UIO - SEA

UIOSEA

Quito Mariscal Sucr

Wed 4/1

6:31 pm-7:45 pm

2 stops27h 14m

Seattle/Tacoma Intl

Fri 5/29

5:00 pm-11:33 pm

2 stops28h 33m

$739

QuitoSeattle

UIO - SEA

UIOSEA

Quito Mariscal Sucr

Wed 4/1

7:06 am-10:05 pm

2 stops16h 59m

Seattle/Tacoma Intl

Fri 5/29

11:55 pm-6:59 pm

1 stop17h 04m

$745

QuitoSeattle

UIO - SEA

UIOSEA

Quito Mariscal Sucr

Tue 3/17

3:12 pm-8:37 am

2 stops19h 25m

Seattle/Tacoma Intl

Mon 3/23

8:05 am-5:02 am

1 stop18h 57m

$746

QuitoSeattle

UIO - SEA

UIOSEA

Quito Mariscal Sucr

Mon 3/30

7:25 am-6:35 pm

2 stops37h 10m

Seattle/Tacoma Intl

Sun 4/12

1:58 pm-5:00 am

1 stop13h 02m

$760

QuitoSeattle

UIO - SEA

UIOSEA

Quito Mariscal Sucr

Mon 3/30

6:50 pm-12:27 pm

2 stops19h 37m

Seattle/Tacoma Intl

Sun 4/12

6:00 am-4:43 am

2 stops20h 43m

$763

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, February 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 $632. If you don’t want to visit Seattle in February, then you should wait until September to fly from Quito, when ticket prices are also cheap, with an average price of $671.

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 $817 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 $671 on momondo.

Can stopping save me money on Quito to Seattle flights?

You could potentially save up to 41% 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 February 2026, prices for Quito to Seattle flights are approximately 34% more expensive 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

Fastest flight time

19h 01m

Direct flights

None
The fastest flight from Quito to Seattle takes 19h 01m
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 19h 01m.

  • 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 $644Free CancellationRating
7.5
1,921 reviews
Search LATAM Airlines flights
United AirlinesPriceFrom $672Free CancellationRating
7.4
9,281 reviews
Search United 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
Marysville
Redmond
Puyallup
Cle Elum
Lakewood
Tukwila
Federal Way
Kirkland
Westport
Centralia
Fife
Tumwater

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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