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

Cheapflights users have booked flights from Seattle to Cusco round-trip from $998. Other airlines that can offer you cheap pricing are Delta, from $1,168, and American Airlines, from $2,103. LATAM Airlines is priced at 13% lower than the current average price of a flight leaving 3 months from now.

What is the cheapest day to fly from Seattle to Cusco?

Travelers seeking maximum savings on their Seattle to Cusco flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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.

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).

What is the cheapest day to fly round-trip from Seattle to Cusco?

Monday is generally a great day to depart. Flying on this day could help you save up to 28%.

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

To save on the cost of your flight from Seattle to Cusco, book at least 57 days before your planned departure. Booking around this time can save you about 33% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $1,361 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $1,431.

What is the cheapest month to fly from Seattle to Cusco?

The best pricing can be found in the month of January. Prices to Cusco from Seattle average $1,159. You can even find prices in January for less than $1,159, as users have found deals to Cusco from as low as $1,027. The month of August appears to be one of the more expensive times to travel to Cusco from Seattle. Flying in the targeted month can save you up to 10%.

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.

$325+ Flights from Seattle to Cusco

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Cheap flight deals from Seattle to Cuzco

Round-trip from	$998 (Justfly.com)
One-way from	$325 (Kiwi.com)
Popular in	August
Cheapest in	January
Average price	$1,256

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. 3% potential increase in price ($47 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($12 potential savings vs. average RT price).

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Average for round-trip flights in July 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 July 3, 2025.

Sun 11/211:55 pmSEA - CUZ

2 stops27h 45mLATAM Airlines

Wed 11/129:30 pmCUZ - SEA

2 stops18h 30mLATAM Airlines

Deal found 7/3

$998

Sat 8/1610:00 pmSEA - CUZ

3 stops30h 45mMultiple Airlines

Sat 8/239:45 amCUZ - SEA

3 stops36h 15mMultiple Airlines

Deal found 7/1

$1,035

Sun 12/78:00 amSEA - CUZ

2 stops23h 45mDelta

Wed 12/107:50 pmCUZ - SEA

2 stops21h 55mDelta

Deal found 7/2

$1,168

Fri 12/261:17 pmSEA - CUZ

2 stops24h 29mAmerican Airlines

Fri 1/28:52 pmCUZ - SEA

2 stops29h 30mAmerican Airlines

Deal found 7/1

$2,103

Best flights from Seattle to Cuzco
Discover carefully curated flight deals from Seattle to Cuzco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 3, 2025.

Sun 11/211:55 pmSEA - CUZ

2 stops27h 45mLATAM Airlines

Wed 11/129:30 pmCUZ - SEA

2 stops18h 30mLATAM Airlines

Deal found 7/3

$998

Sat 8/1610:00 pmSEA - CUZ

3 stops30h 45mMultiple Airlines

Sat 8/239:45 amCUZ - SEA

3 stops36h 15mMultiple Airlines

Deal found 7/1

$1,035

Sun 12/78:00 amSEA - CUZ

2 stops23h 45mDelta

Wed 12/107:50 pmCUZ - SEA

2 stops21h 55mDelta

Deal found 7/2

$1,168

Fri 12/261:17 pmSEA - CUZ

2 stops24h 29mAmerican Airlines

Fri 1/28:52 pmCUZ - SEA

2 stops29h 30mAmerican Airlines

Deal found 7/1

$2,103

Last-minute flights from Seattle to Cuzco
Discover last-minute flight deals from Seattle to Cuzco. Data last updated July 3, 2025 and is based on user searches.

Fri 8/157:10 amSEA - CUZ

2 stops21h 35mLATAM Airlines

Sun 8/248:00 pmCUZ - SEA

2 stops18h 34mLATAM Airlines

Deal found 7/2

$1,193

Sat 8/1610:00 pmSEA - CUZ

3 stops30h 45mMultiple Airlines

Sat 8/239:45 amCUZ - SEA

3 stops36h 15mMultiple Airlines

Deal found 7/1

$1,035

One-way flights from Seattle to Cuzco
Search for one-way flight options from Seattle to Cuzco. Find affordable one-way fares based on user searches. Data last updated July 3, 2025.

Tue 8/126:25 amSEA - CUZ

3 stops36h 39mMultiple Airlines

Deal found 6/30

$325

Mon 8/113:05 pmSEA - CUZ

2 stops18h 10mLATAM Airlines

Deal found 6/30

$623

Sun 8/108:08 pmSEA - CUZ

2 stops32h 41mAmerican Airlines

Deal found 6/30

$629

Cheapflights Fare Finder

Use the filters below to find and compare flights from Seattle to Cusco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleCusco

SEA - CUZ

SEACUZ

Seattle/Tacoma Intl

Sun 11/2

11:55 pm-6:40 am

2 stops27h 45m

Cusco Velazco Astete

Wed 11/12

9:30 pm-1:00 pm

2 stops18h 30m

$998

SeattleCusco

SEA - CUZ

SEACUZ

Seattle/Tacoma Intl

Sat 8/16

10:00 pm-6:45 am

3 stops30h 45m

Cusco Velazco Astete

Sat 8/23

9:45 am-8:00 pm

3 stops36h 15m

$1,035

SeattleCusco

SEA - CUZ

SEACUZ

Seattle/Tacoma Intl

Sun 12/7

8:00 am-10:45 am

2 stops23h 45m

Cusco Velazco Astete

Wed 12/10

7:50 pm-2:45 pm

2 stops21h 55m

$1,168

SeattleCusco

SEA - CUZ

SEACUZ

Seattle/Tacoma Intl

Fri 12/26

1:17 pm-4:46 pm

2 stops24h 29m

Cusco Velazco Astete

Fri 1/2

8:52 pm-11:22 pm

2 stops29h 30m

$2,103

SeattleCusco

SEA - CUZ

SEACUZ

Seattle/Tacoma Intl

Tue 8/12

6:25 am-9:04 pm

3 stops36h 39m

$325

SeattleCusco

SEA - CUZ

SEACUZ

Seattle/Tacoma Intl

Mon 8/11

3:05 pm-11:15 am

2 stops18h 10m

$623

SeattleCusco

SEA - CUZ

SEACUZ

Seattle/Tacoma Intl

Sun 8/10

8:08 pm-6:49 am

2 stops32h 41m

$629

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

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?

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 $1,346). 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?

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 a feel of what it's like to fly with Delta, LATAM Airlines, and American 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

7,982 reviews

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

7,982 reviews

Delta

8.0

Very good

7,982 reviews

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

1,805 reviews

Delta

8.0

Very good

7,982 reviews

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!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,982 reviews

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

What are the cheapest airlines flying from Seattle to Cusco round-trip?
Cheapflights users have booked flights from Seattle to Cusco round-trip from $998. Other airlines that can offer you cheap pricing are Delta, from $1,168, and American Airlines, from $2,103. LATAM Airlines is priced at 13% 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

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Top 2 airlines flying from Seattle to Cuzco

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$997	Average$1,198	FlexibilityNo cancel fee	On-timeN/A
LATAM Airlines	Cheapest$1,001	Average$1,150	FlexibilityNo cancel fee	On-time81%

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$325+ 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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Seattle to Cuzco with Cheapflights

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Cheap flight deals from Seattle to Cuzco

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Seattle to Cuzco

Cheapest flights from Seattle to CuzcoExplore 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 July 3, 2025.

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 July 3, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Seattle to Cusco that are best for you.

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.

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 June 27, 2025.

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

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 July 3, 2025.

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 July 3, 2025.

Get a feel of what it's like to fly with Delta, LATAM Airlines, and American 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.

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?

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

How can I find direct flights from Seattle to Cuzco?

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

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

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.

Alternative routes for Seattle to Cuzco

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Seattle to Cuzco

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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 July 3, 2025.