Popular airlines from Seattle-Tacoma International Airport (SEA) to Alejandro Velasco Astete Intl. Airport (CUZ)

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
    trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Seattle to Cusco (SEA-CUZ)

Prices were available within the past 7 days and start at $417 for one-way flights and $813 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Wed, Jan 21 - Tue, Jan 27
SEA
Seattle
CUZ
Cusco
$813 Roundtrip, found 1 day ago
$813
Roundtrip
found 1 day ago
Select Air Canada flight, departing Wed, Jan 21 from Seattle to Cusco, returning Tue, Jan 27, priced at $813 found 1 day ago
Air Canada
Tue, Feb 17 - Tue, Mar 3
SEA
Seattle
CUZ
Cusco
$837 Roundtrip, found 1 day ago
$837
Roundtrip
found 1 day ago
Select Air Canada flight, departing Tue, Feb 17 from Seattle to Cusco, returning Tue, Mar 3, priced at $837 found 1 day ago
Air Canada
Wed, Jan 21 - Sat, Jan 31
SEA
Seattle
CUZ
Cusco
$858 Roundtrip, found 1 day ago
$858
Roundtrip
found 1 day ago
Select Air Canada flight, departing Wed, Jan 21 from Seattle to Cusco, returning Sat, Jan 31, priced at $858 found 1 day ago
Air Canada
Wed, Jan 21 - Sun, Feb 1
SEA
Seattle
CUZ
Cusco
$921 Roundtrip, found 1 day ago
$921
Roundtrip
found 1 day ago
Select Air Canada flight, departing Wed, Jan 21 from Seattle to Cusco, returning Sun, Feb 1, priced at $921 found 1 day ago
Air Canada
Fri, Jan 9 - Thu, Jan 29
SEA
Seattle
CUZ
Cusco
$923 Roundtrip, found 5 days ago
$923
Roundtrip
found 5 days ago
Select Air Canada flight, departing Fri, Jan 9 from Seattle to Cusco, returning Thu, Jan 29, priced at $923 found 5 days ago
Air Canada
Wed, Jan 21 - Sun, Feb 1
SEA
Seattle
CUZ
Cusco
$929 Roundtrip, found 1 day ago
$929
Roundtrip
found 1 day ago
Select Air Canada flight, departing Wed, Jan 21 from Seattle to Cusco, returning Sun, Feb 1, priced at $929 found 1 day ago
United
Tue, Feb 17 - Tue, Mar 3
SEA
Seattle
CUZ
Cusco
$936 Roundtrip, found 1 day ago
$936
Roundtrip
found 1 day ago
Select United flight, departing Tue, Feb 17 from Seattle to Cusco, returning Tue, Mar 3, priced at $936 found 1 day ago
Delta
Wed, Sep 2 - Tue, Sep 22
SEA
Seattle
CUZ
Cusco
$1,058 Roundtrip, just found
$1,058
Roundtrip
just found
Select Delta flight, departing Wed, Sep 2 from Seattle to Cusco, returning Tue, Sep 22, priced at $1,058 just found
American Airlines
Wed, Nov 26 - Thu, Dec 4
SEA
Seattle
CUZ
Cusco
$1,064 Roundtrip, found 5 days ago
$1,064
Roundtrip
found 5 days ago
Select American Airlines flight, departing Wed, Nov 26 from Seattle to Cusco, returning Thu, Dec 4, priced at $1,064 found 5 days ago
LATAM Airlines Group
Mon, Apr 13 - Mon, Apr 27
SEA
Seattle
CUZ
Cusco
$1,078 Roundtrip, found 6 days ago
$1,078
Roundtrip
found 6 days ago
Select LATAM Airlines Group flight, departing Mon, Apr 13 from Seattle to Cusco, returning Mon, Apr 27, priced at $1,078 found 6 days ago

Find the cheapest month to fly from Seattle (SEA) to Cusco (CUZ)

March is typically the cheapest month to fly

From $819 - $1,244 per traveler.

Alternative airports near Cusco

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Alejandro Velasco Astete Intl. CUZ. Cheapest and Closest option available. Average driving time to city center is 4 minutes. Flights from $1,085
CUZ
Alejandro Velasco Astete Intl.
CheapestClosest
Average driving time to city center4 min
Flights from $1,085

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Alejandro Velasco Astete Intl. Airport (CUZ) cost?
Snag a cheap one-way flight from $417 or cheap return flight from $813 from Seattle - Tacoma Intl. Airport (SEA) to Alejandro Velasco Astete Intl. Airport (CUZ) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Seattle - Tacoma Intl. Airport (SEA) to Alejandro Velasco Astete Intl. Airport (CUZ)?
Planning your getaway for January is a good way to save, as it's the cheapest month for flights between SEA and CUZ. You'll usually find the lowest prices during off-peak months.
What is the cheapest airline that flies from Seattle - Tacoma Intl. Airport (SEA) to Alejandro Velasco Astete Intl. Airport (CUZ)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll fly you from SEA to CUZ. Then, sort your results by "Price (lowest to highest)" to pick up a good deal.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Alejandro Velasco Astete Intl. Airport (CUZ)?
You'll need to hop on a flight with a layover if you're traveling from Seattle - Tacoma Intl. Airport (SEA) to Alejandro Velasco Astete Intl. Airport (CUZ). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to find the best option for your trip.
What day of the week has the most flights from SEA to CUZ?
Usually you'll find the greatest selection of flight options on a Friday. Tuesdays are often the quietest.* But this can change based on the airline, season and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Seattle - Tacoma Intl. Airport (SEA) to Alejandro Velasco Astete Intl. Airport (CUZ)?
To avoid potential delays on the Seattle - Tacoma Intl. Airport (SEA) to Alejandro Velasco Astete Intl. Airport (CUZ) route, aim to travel before 3 PM. Later flights are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Seattle - Tacoma Intl. Airport (SEA) to Alejandro Velasco Astete Intl. Airport (CUZ) last-minute?
Booking your plane ticket from SEA to CUZ shortly before your getaway is usually more expensive. But if there's some wiggle room with your departure dates and times, you could land a cheap last-minute fare.
Is it cheaper to book a SEA to CUZ flight and hotel package?
Securing a SEA to CUZ flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Choose from our extensive range of accommodations and then add activities, car rentals and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Alejandro Velasco Astete Intl. Airport (CUZ)?
Generally, it's possible to reschedule or cancel your SEA to CUZ flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find further details on our Customer Service portal.

Book with confidence

Seattle to Cusco Flights

The cheapest times to fly from Seattle to Cusco

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Seattle to Cusco are during the month of January. You can find some of the cheapest flights from Seattle to Cusco with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seattle to Cusco

Sunday is one of the best days to book for cheap flights from Seattle to Cusco: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Seattle to Cusco

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Seattle to Cusco in 2025. You can also book with separate airlines for your outbound and return journeys, from $417 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Seattle to Cusco flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Seattle to Cusco airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Seattle to Cusco Flights

Explore a world of travel with Expedia

*Available to One Key members.