$512 Cheap Flights from Cusco (CUZ) to Seattle (SEA)

View $512 flight on Tue, Jan 27, 2026Opens in a new window

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

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Cheap Flights from Cusco to Seattle (CUZ-SEA)

Prices were available within the past 7 days and start at $512 for one-way flights and $826 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, Jan 19 - Mon, Jan 26
CUZ
Cusco
SEA
Seattle
$826 Roundtrip, found 4 days ago
$826
Roundtrip
found 4 days ago
Select Delta flight, departing Mon, Jan 19 from Cusco to Seattle, returning Mon, Jan 26, priced at $826 found 4 days ago
Delta
Mon, Jan 19 - Mon, Jan 26
CUZ
Cusco
SEA
Seattle
$832 Roundtrip, found 4 days ago
$832
Roundtrip
found 4 days ago
Select Delta flight, departing Mon, Jan 19 from Cusco to Seattle, returning Mon, Jan 26, priced at $832 found 4 days ago
LATAM Airlines Group
Mon, Jan 19 - Mon, Jan 26
CUZ
Cusco
SEA
Seattle
$849 Roundtrip, found 4 days ago
$849
Roundtrip
found 4 days ago
Select LATAM Airlines Group flight, departing Mon, Jan 19 from Cusco to Seattle, returning Mon, Jan 26, priced at $849 found 4 days ago
LATAM Airlines Group
Mon, Jan 19 - Mon, Jan 26
CUZ
Cusco
SEA
Seattle
$855 Roundtrip, found 4 days ago
$855
Roundtrip
found 4 days ago
Select LATAM Airlines Group flight, departing Mon, Jan 19 from Cusco to Seattle, returning Mon, Jan 26, priced at $855 found 4 days ago
LATAM Airlines Group
Mon, Jan 19 - Mon, Jan 26
CUZ
Cusco
SEA
Seattle
$861 Roundtrip, found 4 days ago
$861
Roundtrip
found 4 days ago
Select LATAM Airlines Group flight, departing Mon, Jan 19 from Cusco to Seattle, returning Mon, Jan 26, priced at $861 found 4 days ago
Delta
Mon, Jan 19 - Mon, Jan 26
CUZ
Cusco
SEA
Seattle
$873 Roundtrip, found 4 days ago
$873
Roundtrip
found 4 days ago
Select Delta flight, departing Mon, Jan 19 from Cusco to Seattle, returning Mon, Jan 26, priced at $873 found 4 days ago
LATAM Airlines Group
Mon, Jan 19 - Mon, Jan 26
CUZ
Cusco
SEA
Seattle
$879 Roundtrip, found 4 days ago
$879
Roundtrip
found 4 days ago
Select LATAM Airlines Group flight, departing Mon, Jan 19 from Cusco to Seattle, returning Mon, Jan 26, priced at $879 found 4 days ago
LATAM Airlines Group
Mon, Jan 19 - Mon, Jan 26
CUZ
Cusco
SEA
Seattle
$885 Roundtrip, found 4 days ago
$885
Roundtrip
found 4 days ago
Select LATAM Airlines Group flight, departing Mon, Jan 19 from Cusco to Seattle, returning Mon, Jan 26, priced at $885 found 4 days ago
American Airlines
Mon, Jan 19 - Mon, Jan 26
CUZ
Cusco
SEA
Seattle
$1,138 Roundtrip, found 4 days ago
$1,138
Roundtrip
found 4 days ago
Select American Airlines flight, departing Mon, Jan 19 from Cusco to Seattle, returning Mon, Jan 26, priced at $1,138 found 4 days ago
avianca
Mon, Jan 19 - Mon, Jan 26
CUZ
Cusco
SEA
Seattle
$2,950 Roundtrip, found 4 days ago
$2,950
Roundtrip
found 4 days ago
Select avianca flight, departing Mon, Jan 19 from Cusco to Seattle, returning Mon, Jan 26, priced at $2,950 found 4 days ago

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

September is typically the cheapest month to fly

From $775 - $1,583 per traveler.

Frequently asked questions

How much does a flight from Alejandro Velasco Astete Intl. Airport (CUZ) to Seattle - Tacoma Intl. Airport (SEA) cost?
Grab a cheap one-way flight from $512 or cheap return flight from $826 from Alejandro Velasco Astete Intl. Airport (CUZ) to Seattle - Tacoma Intl. Airport (SEA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Alejandro Velasco Astete Intl. Airport (CUZ) to Seattle - Tacoma Intl. Airport (SEA)?
January is the most affordable month to fly from CUZ to SEA. Planning your trip for the off-season is often the key to scoring lower fares.
What is the cheapest airline that flies from Alejandro Velasco Astete Intl. Airport (CUZ) to Seattle - Tacoma Intl. Airport (SEA)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest CUZ to SEA flight.
How many flights per day from Alejandro Velasco Astete Intl. Airport (CUZ) to Seattle - Tacoma Intl. Airport (SEA)?
You'll have to catch a flight with a layover if you're traveling from Alejandro Velasco Astete Intl. Airport (CUZ) to Seattle - Tacoma Intl. Airport (SEA). There are no daily direct flights on this route. However, just filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from CUZ to SEA?
Usually you'll find the greatest selection of flight options on a Friday. Tuesdays are often the quietest.* However, this can vary depending on the season, carrier 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 Alejandro Velasco Astete Intl. Airport (CUZ) to Seattle - Tacoma Intl. Airport (SEA)?
Select a flight from Alejandro Velasco Astete Intl. Airport (CUZ) to Seattle - Tacoma Intl. Airport (SEA) that leaves before 3 PM to reduce the risk of delays and cancellations. Later departures are on average 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 Alejandro Velasco Astete Intl. Airport (CUZ) to Seattle - Tacoma Intl. Airport (SEA) last-minute?
Booking your plane ticket from CUZ to SEA right before your getaway is typically more expensive. But if you're flexible with your travel dates and times, you could score a cheap last-minute fare.
Is it cheaper to book a CUZ to SEA flight and hotel package?
Compared with arranging flights and hotels separately, booking a CUZ to SEA flight and hotel package with Expedia could result in significant savings. Better still, managing everything in one place will take the hassle out of travel planning. Simply pick your flights and select from our extensive range of stays, then tailor your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Alejandro Velasco Astete Intl. Airport (CUZ) to Seattle - Tacoma Intl. Airport (SEA)?
You can usually reschedule or cancel your CUZ to SEA flight. However, for bookings made more than 24 hours ago, additional charges may apply. Refer to 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.

Travel information

Origin airport
Alejandro Velasco Astete Intl.
Destination airport
Seattle - Tacoma Intl.
Roundtrip price
$825
Distance
5229 mi

Book with confidence

Cusco to Seattle Flights

The cheapest times to fly from Cusco to Seattle

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 Cusco to Seattle are during the month of January. You can find some of the cheapest flights from Cusco to Seattle with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Cusco to Seattle

Sunday is one of the best days to book for cheap flights from Cusco to Seattle: 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 Cusco to Seattle

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 Cusco to Seattle in 2025. You can also book with separate airlines for your outbound and return journeys, from $512 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 Cusco to Seattle 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 Cusco to Seattle 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.

 

Cusco to Seattle Flights

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*Available to One Key members.