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$363+ Cheap flights from Seattle (SEA) to Cusco (CUZ)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/19. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CUZ
dic. 26 — ene. 21
vie. 12/26
vie. 1/2
1 adult, Economy
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Find flight deals from Seattle to Cuzco

Cheapest flights from Seattle to Cuzco
Explore the most affordable flight options available from Seattle to Cuzco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on noviembre 26, 2025.

This KAYAK deal was found by Cheapflights users on 11/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/186:00 amSEA - CUZ
2 stops15h 40mLATAM Airlines
sáb. 1/108:10 pmCUZ - SEA
2 stops28h 25mLATAM Airlines
Deal found 11/24$1,254
This Delta deal was found by Cheapflights users on 11/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/2311:35 pmSEA - CUZ
2 stops35h 25mDelta
dom. 12/289:05 pmCUZ - SEA
2 stops26h 39mDelta
Deal found 11/23$1,488
This KAYAK deal was found by Cheapflights users on 11/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/249:45 amSEA - CUZ
2 stops26h 35mLATAM Airlines
vie. 12/2612:05 amCUZ - SEA
2 stops25h 55mLATAM Airlines
Deal found 11/23$1,520
This Delta deal was found by Cheapflights users on 11/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/2311:35 pmSEA - CUZ
2 stops35h 25mDelta
mié. 12/317:50 pmCUZ - SEA
2 stops27h 53mDelta
Deal found 11/23$1,597
This Delta deal was found by Cheapflights users on 11/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/2311:35 pmSEA - CUZ
2 stops35h 25mDelta
mar. 12/309:45 pmCUZ - SEA
2 stops41h 47mDelta
Deal found 11/23$1,627
This KAYAK deal was found by Cheapflights users on 11/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/249:45 amSEA - CUZ
2 stops26h 35mLATAM Airlines
sáb. 12/2712:05 amCUZ - SEA
2 stops26h 53mLATAM Airlines
Deal found 11/23$1,650
This Delta deal was found by Cheapflights users on 11/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/2311:35 pmSEA - CUZ
2 stops35h 25mDelta
sáb. 12/279:45 pmCUZ - SEA
2 stops29h 13mDelta
Deal found 11/23$1,658
This KAYAK deal was found by Cheapflights users on 11/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/185:00 amSEA - CUZ
2 stops23h 25mLATAM Airlines
dom. 1/118:10 pmCUZ - SEA
2 stops28h 43mLATAM Airlines
Deal found 11/25$1,681
This Delta deal was found by Cheapflights users on 11/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/2311:35 pmSEA - CUZ
2 stops35h 25mDelta
lun. 12/299:40 amCUZ - SEA
2 stops38h 04mDelta
Deal found 11/23$1,683
This Ovago deal was found by Cheapflights users on 11/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/221:45 pmSEA - CUZ
2 stops30h 00mLATAM Airlines
lun. 12/2912:05 amCUZ - SEA
2 stops23h 39mLATAM Airlines
Deal found 11/23$1,699
This Delta deal was found by Cheapflights users on 11/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/249:45 amSEA - CUZ
2 stops35h 55mDelta
mar. 12/309:45 pmCUZ - SEA
2 stops41h 47mDelta
Deal found 11/23$1,714

Cheap flight deals from Seattle to Cuzco

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Cuzco (CUZ). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated noviembre 26, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$947
(Mytrip)

One-way from

$363
(Trip.com)

Popular in

December

Cheapest in

October

Average price

$1,073
Provider with most accurate pricing for Seattle/Tacoma Intl-Cusco Velazco Astete flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Cusco Velazco Astete flights.
Search Deals
From Seattle/Tacoma Intl to Cusco Velazco Astete
Search Deals
One-way flight from Seattle/Tacoma Intl to Cusco Velazco Astete
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($308 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($114 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Cuzco 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, Cheapflights users made 2,558,603 searches. Data last updated noviembre 26, 2025.
Use the filters below to find and compare flights from Seattle to Cusco that are best for you.

Fly from

Seattle

Fly to

Cuzco

Route

Depart

Return

Price

SeattleCusco

SEA - CUZ

SEACUZ

Seattle/Tacoma Intl

lun. 2/9

8:10 am-11:20 am

2 stops24h 10m

Cusco Velazco Astete

mar. 2/10

10:02 pm-10:16 pm

3 stops27h 14m

$976

SeattleCusco

SEA - CUZ

SEACUZ

Seattle/Tacoma Intl

mié. 4/15

2:00 pm-10:45 am

2 stops18h 45m

Cusco Velazco Astete

jue. 4/23

8:15 pm-12:58 pm

2 stops18h 43m

$1,038

SeattleCusco

SEA - CUZ

SEACUZ

Seattle/Tacoma Intl

jue. 4/30

11:50 am-11:10 am

2 stops21h 20m

Cusco Velazco Astete

jue. 5/7

5:00 am-9:59 pm

2 stops18h 59m

$1,039

SeattleCusco

SEA - CUZ

SEACUZ

Seattle/Tacoma Intl

lun. 4/20

1:45 pm-11:10 am

2 stops19h 25m

Cusco Velazco Astete

mié. 4/29

5:00 am-9:59 pm

2 stops18h 59m

$1,039

SeattleCusco

SEA - CUZ

SEACUZ

Seattle/Tacoma Intl

jue. 4/23

11:50 am-12:10 pm

2 stops22h 20m

Cusco Velazco Astete

jue. 4/30

5:00 am-9:59 pm

2 stops18h 59m

$1,039

SeattleCusco

SEA - CUZ

SEACUZ

Seattle/Tacoma Intl

jue. 4/30

6:30 am-8:25 am

2 stops23h 55m

Cusco Velazco Astete

mié. 5/6

12:05 am-9:59 pm

2 stops23h 54m

$1,047

SeattleCusco

SEA - CUZ

SEACUZ

Seattle/Tacoma Intl

jue. 4/30

6:15 am-6:35 am

2 stops22h 20m

Cusco Velazco Astete

sáb. 5/9

10:45 pm-9:59 pm

2 stops49h 14m

$1,072

SeattleCusco

SEA - CUZ

SEACUZ

Seattle/Tacoma Intl

vie. 5/8

9:55 pm-11:00 am

2 stops35h 05m

Cusco Velazco Astete

dom. 5/17

7:50 pm-2:43 pm

2 stops20h 53m

$1,074

SeattleCusco

SEA - CUZ

SEACUZ

Seattle/Tacoma Intl

lun. 1/19

8:10 am-11:20 am

2 stops24h 10m

$363

SeattleCusco

SEA - CUZ

SEACUZ

Seattle/Tacoma Intl

sáb. 12/20

1:45 pm-11:40 am

2 stops18h 55m

$1,209

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/26

Compare providers for flights from Seattle to Cuzco

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Cuzco in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seattle-Cusco flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Seattle-Cusco flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Seattle-Cusco flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Cusco flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Cusco flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Seattle to Cuzco

Have a flexible travel schedule? Discover the best time to fly to Cuzco from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Cusco

What is the cheapest month to book a flight from Seattle to Cusco?

Currently, October is the cheapest month in which you can book a flight from Seattle to Cusco (average of $999). Flying from Seattle to Cusco in December is currently the most expensive (average of $1,183). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SEA to CUZ?

Find hourly flight availability from Seattle to Cuzco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated noviembre 26, 2025.

It’s optimal to fly from Seattle to Cusco in the morning. By choosing this option you can save up to 11% on the cost of your flight, compared to a flight in the afternoon.

Reviews of airlines servicing Cuzco

Get insights into the airlines that provide service to Cuzco. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Cuzco. Reviews last updated noviembre 26, 2025.
Get a feel of what it's like to fly with Delta and LATAM Airlines from Seattle to Cusco by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,998 reviews

Crew

8.5

Comfort

7.9

Boarding

8.1

Overall

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
7,998 reviews
Delta
7.9
Good
7,998 reviews

Crew

8.5

Comfort

7.9

Boarding

8.1

Overall

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
LATAM Airlines
7.5
Good
1,886 reviews
Delta
7.9
Good
7,998 reviews

Crew

8.5

Comfort

7.9

Boarding

8.1

Overall

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Cuzco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Seattle to Cusco?

    There are many flights that can get you from Seattle to Cusco in 18h 45m. Fly via LATAM Airlines to get the fastest option. The distance between Seattle and Cusco is about 5227 mi.

  • What are the cheapest airlines flying from Seattle to Cusco round-trip?

    Cheapflights users have booked flights from Seattle to Cusco round-trip from $999. Another airline that can offer you cheap pricing is LATAM Airlines. Delta is priced at 20% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Seattle to Cuzco that include hotel bookings?

    Yes. In addition to deals on Seattle to Cuzco flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Cuzco?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Cuzco.

  • Can I find deals for business class flights from Seattle to Cuzco?

    Yes. Cheapflights offers flight deals from Seattle to Cuzco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to Cusco?

    Currently, October is the cheapest month in which you can book a flight from Seattle to Cusco (average of $999). Flying from Seattle to Cusco in December is currently the most expensive (average of $1,183). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 2 airlines flying from Seattle to Cuzco

Discover the top 2 airlines that operate flights from Seattle to Cuzco. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated noviembre 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$999Average$1,108FlexibilityNo cancel feeOn-timeN/A
LATAM AirlinesCheapest$1,019Average$1,178FlexibilityNo cancel feeOn-time81%

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