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$437+ 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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CUZ
Apr 20 — Apr 271
Sun 4/20
Sun 4/27
1 adult, Economy
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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 April 15, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$999
(FlightHub)

One-way from

$437
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$1,098
Provider with most accurate pricing for Seattle/Tacoma Intl-Cusco Velazco Astete flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Cusco Velazco Astete flights.
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From Seattle/Tacoma Intl to Cusco Velazco Astete
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One-way flight from Seattle/Tacoma Intl to Cusco Velazco Astete
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Highest demand for flights based on searches. 12% potential increase in price ($163 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($39 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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 April 15, 2025.

This LATAM Airlines deal was found by Cheapflights users on 4/14. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/28:00 amSEA - CUZ
2 stops24h 15mLATAM Airlines
Wed 11/127:45 pmCUZ - SEA
2 stops20h 15mLATAM Airlines
Deal found 4/14$999
This Trip.com deal was found by Cheapflights users on 4/13. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/294:00 pmSEA - CUZ
3 stops29h 20mMultiple Airlines
Thu 6/510:00 amCUZ - SEA
3 stops27h 39mMultiple Airlines
Deal found 4/13$1,098
This American Airlines deal was found by Cheapflights users on 4/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2812:24 amSEA - CUZ
2 stops27h 50mAmerican Airlines
Thu 6/58:57 pmCUZ - SEA
2 stops28h 50mAmerican Airlines
Deal found 4/14$1,321

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 April 15, 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

Wed 8/27

8:00 am-9:25 am

2 stops23h 25m

Cusco Velazco Astete

Tue 9/16

9:20 pm-1:00 pm

2 stops17h 40m

$999

SeattleCusco

SEA - CUZ

SEACUZ

Seattle/Tacoma Intl

Thu 5/29

4:00 pm-11:20 pm

3 stops29h 20m

Cusco Velazco Astete

Thu 6/5

10:00 am-11:39 am

3 stops27h 39m

$1,098

SeattleCusco

SEA - CUZ

SEACUZ

Seattle/Tacoma Intl

Wed 5/28

12:24 am-6:14 am

2 stops27h 50m

Cusco Velazco Astete

Thu 6/5

8:57 pm-11:47 pm

2 stops28h 50m

$1,321

SeattleCusco

SEA - CUZ

SEACUZ

Seattle/Tacoma Intl

Tue 9/30

9:30 pm-12:45 am

2 stops25h 15m

$437

SeattleCusco

SEA - CUZ

SEACUZ

Seattle/Tacoma Intl

Fri 5/30

8:25 am-11:00 am

2 stops24h 35m

$494

SeattleCusco

SEA - CUZ

SEACUZ

Seattle/Tacoma Intl

Wed 10/1

4:00 pm-8:45 pm

2 stops26h 45m

$590

SeattleCusco

SEA - CUZ

SEACUZ

Seattle/Tacoma Intl

Tue 5/20

12:24 am-6:24 am

2 stops28h 00m

$956

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/14

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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Seattle-Cusco flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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

How far ahead should I book a flight from Seattle to Cusco?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Cuzco. Price data was last updated on April 11, 2025.

The best time to book flights from Seattle to Cusco is 80 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, February is the cheapest month in which you can book a flight from Seattle to Cusco (average of $789). Flying from Seattle to Cusco in December is currently the most expensive (average of $1,295). 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 April 15, 2025.

It’s optimal to fly from Seattle to Cusco in the morning. By choosing this option you can save up to 12% on the cost of your flight, compared to a flight in the afternoon.

Rainfall in Cuzco by month

Plan your trip to Cuzco by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Cusco ranges from 0.0 - 5.5 inches per month. January is typically the wettest month, when rainfall can reach 5.5 in. May is typically the driest time to visit Cusco when rainfall is around 0.0 in.

Temperature in Cuzco by month

Plan your trip to Cuzco by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Cusco, use this chart to help with planning. For those seeking warmer temperatures, October is the ideal time of year to visit, when temperatures reach an average of 55.4 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 50.0 F).

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 April 15, 2025.
LATAM Airlines
7.5
Good
1,758 reviews

Comfort

7.4

Entertainment

7.0

Food

6.7

Overall

7.5

Boarding

7.6

Crew

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

MCO - BOG

The problem was the delayed departure for airport reason I understood it was not a Latam responsibility. The crew could give something to drink and not only a candy.
LATAM Airlines
7.5
Good
1,758 reviews
LATAM Airlines
7.5
Good
1,758 reviews

Comfort

7.4

Entertainment

7.0

Food

6.7

Overall

7.5

Boarding

7.6

Crew

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

MCO - BOG

The problem was the delayed departure for airport reason I understood it was not a Latam responsibility. The crew could give something to drink and not only a candy.
American Airlines
7.2
Good
10,000 reviews
LATAM Airlines
7.5
Good
1,758 reviews

Comfort

7.4

Entertainment

7.0

Food

6.7

Overall

7.5

Boarding

7.6

Crew

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

MCO - BOG

The problem was the delayed departure for airport reason I understood it was not a Latam responsibility. The crew could give something to drink and not only a candy.
Avianca
6.7
Okay
2,313 reviews
LATAM Airlines
7.5
Good
1,758 reviews

Comfort

7.4

Entertainment

7.0

Food

6.7

Overall

7.5

Boarding

7.6

Crew

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

MCO - BOG

The problem was the delayed departure for airport reason I understood it was not a Latam responsibility. The crew could give something to drink and not only a candy.

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.

  • 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 American Airlines. LATAM Airlines is priced at 16% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Seattle to Cusco one-way?

    For one-way options, check prices for Avianca. According to our data, you can fly for as low as $494. Users have also found prices from $590 and $956 on LATAM Airlines and American Airlines, respectively.

  • 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, February is the cheapest month in which you can book a flight from Seattle to Cusco (average of $789). Flying from Seattle to Cusco in December is currently the most expensive (average of $1,295). 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

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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 April 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$997Average$1,173FlexibilityNo cancel feeOn-timeN/A
LATAM AirlinesCheapest$999Average$1,211FlexibilityNo cancel feeOn-time81%

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