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$384+ 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CUZ
Aug 26 — Sep 21
Tue 8/26
Tue 9/2
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 August 21, 2025.

Round-trip from

$1,073
(Trip.com)

One-way from

$384
(Kiwi.com)

Popular in

November

Cheapest in

January

Average price

$1,118
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. 8% potential increase in price ($115 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 21, 2025.

This Trip.com deal was found by Cheapflights users on 8/21. 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.
Mon 9/84:59 pmSEA - CUZ
2 stops20h 05mMultiple Airlines
Sat 9/203:57 pmCUZ - SEA
2 stops22h 57mMultiple Airlines
Deal found 8/21$1,073
This FlightHub deal was found by Cheapflights users on 8/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/28:00 amSEA - CUZ
2 stops24h 10mLATAM Airlines
Wed 11/128:15 pmCUZ - SEA
2 stops19h 45mLATAM Airlines
Deal found 8/20$1,097
This Delta deal was found by Cheapflights users on 8/20. 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.
Sun 12/78:00 amSEA - CUZ
2 stops23h 45mDelta
Wed 12/107:50 pmCUZ - SEA
2 stops21h 55mDelta
Deal found 8/20$1,168
This FlightHub deal was found by Cheapflights users on 8/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/111:20 pmSEA - CUZ
2 stops23h 25mLATAM Airlines
Thu 10/166:55 amCUZ - SEA
2 stops19h 23mLATAM Airlines
Deal found 8/21$1,189
This Cheapflightsfares deal was found by Cheapflights users on 8/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2611:50 amSEA - CUZ
2 stops18h 10mLATAM Airlines
Sun 11/3011:20 pmCUZ - SEA
2 stops27h 04mLATAM Airlines
Deal found 8/21$1,191
This KAYAK deal was found by Cheapflights users on 8/20. 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.
Wed 10/1511:10 pmSEA - CUZ
3 stops22h 10mLATAM Airlines
Thu 10/236:55 amCUZ - SEA
2 stops19h 11mLATAM Airlines
Deal found 8/20$1,206
This LATAM Airlines deal was found by Cheapflights users on 8/21. 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.
Mon 10/66:00 amSEA - CUZ
2 stops16h 45mLATAM Airlines
Mon 10/137:45 pmCUZ - SEA
2 stops21h 04mLATAM Airlines
Deal found 8/21$1,223
This Expedia deal was found by Cheapflights users on 8/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/58:30 amSEA - CUZ
2 stops22h 55mMultiple Airlines
Sun 10/129:20 pmCUZ - SEA
2 stops21h 30mMultiple Airlines
Deal found 8/21$1,243
This American Airlines deal was found by Cheapflights users on 8/21. 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.
Fri 9/58:51 pmSEA - CUZ
2 stops24h 03mAmerican Airlines
Sat 9/138:57 pmCUZ - SEA
2 stops29h 02mAmerican Airlines
Deal found 8/21$1,283
This American Airlines deal was found by Cheapflights users on 8/21. 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.
Tue 9/98:51 pmSEA - CUZ
2 stops21h 28mAmerican Airlines
Tue 9/169:47 pmCUZ - SEA
2 stops28h 12mAmerican Airlines
Deal found 8/21$1,302

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 August 21, 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

Mon 9/8

4:59 pm-3:04 pm

2 stops20h 05m

Cusco Velazco Astete

Sat 9/20

3:57 pm-12:54 pm

2 stops22h 57m

$1,073

SeattleCusco

SEA - CUZ

SEACUZ

Seattle/Tacoma Intl

Sun 11/2

8:00 am-11:10 am

2 stops24h 10m

Cusco Velazco Astete

Wed 11/12

8:15 pm-1:00 pm

2 stops19h 45m

$1,097

SeattleCusco

SEA - CUZ

SEACUZ

Seattle/Tacoma Intl

Wed 10/15

1:40 pm-9:25 am

2 stops17h 45m

Cusco Velazco Astete

Thu 10/23

6:55 am-12:06 am

2 stops19h 11m

$1,108

SeattleCusco

SEA - CUZ

SEACUZ

Seattle/Tacoma Intl

Sun 12/7

11:35 pm-12:45 am

2 stops22h 10m

Cusco Velazco Astete

Wed 12/10

8:15 pm-7:29 pm

2 stops26h 14m

$1,168

SeattleCusco

SEA - CUZ

SEACUZ

Seattle/Tacoma Intl

Sun 12/7

8:00 am-10:45 am

2 stops23h 45m

Cusco Velazco Astete

Tue 12/9

12:05 am-10:00 pm

2 stops24h 55m

$1,168

SeattleCusco

SEA - CUZ

SEACUZ

Seattle/Tacoma Intl

Wed 10/1

11:20 pm-12:45 am

2 stops23h 25m

Cusco Velazco Astete

Thu 10/16

6:55 am-12:18 am

2 stops19h 23m

$1,189

SeattleCusco

SEA - CUZ

SEACUZ

Seattle/Tacoma Intl

Mon 9/15

6:12 am-7:05 pm

3 stops58h 53m

$384

SeattleCusco

SEA - CUZ

SEACUZ

Seattle/Tacoma Intl

Sat 12/20

11:55 am-3:50 pm

2 stops24h 55m

$1,015

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/21

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 August 8, 2025.

The best time to book flights from Seattle to Cusco is 67 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 $1,346). 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 August 21, 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.

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 August 21, 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
8.0
Very good
7,981 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
LATAM Airlines
7.5
Good
1,844 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 24h 10m. 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 $997. Another airline that can offer you cheap pricing is LATAM Airlines. Delta is priced at 15% 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, 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 $1,346). 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 August 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$997Average$1,173FlexibilityNo cancel feeOn-timeN/A
LATAM AirlinesCheapest$1,017Average$1,160FlexibilityNo cancel feeOn-time81%

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