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$533 Cheap Flights from Seattle (SEA) to Cusco (CUZ)

View $533 flight on Sat, Aug 15, 2026Opens in a new window

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

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Cheap Flights from Seattle to Cusco (SEA-CUZ)

Prices were available within the past 7 days and start at $533 for one-way flights and $1,001 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, Jan 25 - Tue, Feb 2
SEA
Seattle
CUZ
Cusco
$1,001 Roundtrip, found 1 day ago
$1,001
Roundtrip
found 1 day ago
Select United flight, departing Mon, Jan 25 from Seattle to Cusco, returning Tue, Feb 2, priced at $1,001 found 1 day ago
JetBlue Airways
Wed, Oct 14 - Tue, Dec 15
SEA
Seattle
CUZ
Cusco
$1,004 Roundtrip, found 5 days ago
$1,004
Roundtrip
found 5 days ago
Select JetBlue Airways flight, departing Wed, Oct 14 from Seattle to Cusco, returning Tue, Dec 15, priced at $1,004 found 5 days ago
United
Sat, Nov 14 - Mon, Nov 23
SEA
Seattle
CUZ
Cusco
$1,012 Roundtrip, found 15 hours ago
$1,012
Roundtrip
found 15 hours ago
Select United flight, departing Sat, Nov 14 from Seattle to Cusco, returning Mon, Nov 23, priced at $1,012 found 15 hours ago
United
Wed, Nov 25 - Tue, Dec 8
SEA
Seattle
CUZ
Cusco
$1,023 Roundtrip, found 3 days ago
$1,023
Roundtrip
found 3 days ago
Select United flight, departing Wed, Nov 25 from Seattle to Cusco, returning Tue, Dec 8, priced at $1,023 found 3 days ago
JetBlue Airways
Wed, Oct 14 - Tue, Dec 15
SEA
Seattle
CUZ
Cusco
$1,030 Roundtrip, found 5 days ago
$1,030
Roundtrip
found 5 days ago
Select JetBlue Airways flight, departing Wed, Oct 14 from Seattle to Cusco, returning Tue, Dec 15, priced at $1,030 found 5 days ago
United
Fri, May 14 - Sun, May 30
SEA
Seattle
CUZ
Cusco
$1,031 Roundtrip, found 22 hours ago
$1,031
Roundtrip
found 22 hours ago
Select United flight, departing Fri, May 14 from Seattle to Cusco, returning Sun, May 30, priced at $1,031 found 22 hours ago
United
Fri, Apr 9 - Mon, Apr 19
SEA
Seattle
CUZ
Cusco
$1,034 Roundtrip, found 9 hours ago
$1,034
Roundtrip
found 9 hours ago
Select United flight, departing Fri, Apr 9 from Seattle to Cusco, returning Mon, Apr 19, priced at $1,034 found 9 hours ago
Alaska Airlines
Sat, May 15 - Mon, May 24
SEA
Seattle
CUZ
Cusco
$1,036 Roundtrip, found 1 day ago
$1,036
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sat, May 15 from Seattle to Cusco, returning Mon, May 24, priced at $1,036 found 1 day ago
Air Canada
Tue, May 11 - Sat, May 22
SEA
Seattle
CUZ
Cusco
$1,038 Roundtrip, found 4 days ago
$1,038
Roundtrip
found 4 days ago
Select Air Canada flight, departing Tue, May 11 from Seattle to Cusco, returning Sat, May 22, priced at $1,038 found 4 days ago
avianca
Thu, Nov 26 - Sun, Dec 6
SEA
Seattle
CUZ
Cusco
$1,057 Roundtrip, found 1 day ago
$1,057
Roundtrip
found 1 day ago
Select avianca flight, departing Thu, Nov 26 from Seattle to Cusco, returning Sun, Dec 6, priced at $1,057 found 1 day ago

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 $1,049
CUZ
Alejandro Velasco Astete Intl.
CheapestClosest
Average driving time to city center4 min
Flights from $1,049

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

November is typically the cheapest month to fly

From $970 - $1,243 per traveler.

What you need to know for your flight from Seattle - Tacoma Intl. to Alejandro Velasco Astete Intl.

Seattle (SEA) to Cusco (CUZ) at a glance

Embark on an exciting journey from Seattle (SEA) to Cusco (CUZ) with a range of airlines available on this long-haul international route. Explore various options from full-service carriers to discover the itinerary that aligns with your budget, schedule, and travel preferences as you prepare to experience Cusco's iconic landmarks and vibrant neighborhoods. Here, you'll find essential information for flights departing from Seattle-Tacoma International Airport (SEA) to Alejandro Velasco Astete International Airport (CUZ).

  • Fastest flight duration: around 13 hours in-flight, plus roughly 6 hours total layover with two or more stops
  • Route distance: roughly 5,200 miles (8,370 km)
  • Flights per week: around 8 departures on average
  • Typical fares (one-way): economy tickets often range from $400–$905, depending on seasonality and how far ahead you book

Flights from Seattle - Tacoma International Airport (SEA) to Alejandro Velasco Astete International Airport (CUZ)

According to recent traveler bookings, the top airlines flying from Seattle to Cusco are often chosen for their multi-stop services, featuring popular layovers at Jorge Chávez International Airport (LIM) with an approximately 2h 30m layover, Los Angeles International Airport (LAX) with about a 2h 45m layover, and Hartsfield-Jackson Atlanta International Airport (ATL) with a 1h 45m layover. These options allow you to mix and match price, total travel time, and cabin class to create the ideal itinerary.

  • Delta: This full-service airline provides multi-stop options, with one-way ticket prices generally between $540 and $910. Delta represents around 45% of the departures on this route, featuring an in-flight duration of 13 hours and a total travel time of approximately 18 hours and 30 minutes, including layovers.
  • LATAM Airlines Group: As a full-service carrier, LATAM offers multi-stop flights with one-way fares usually falling between $600 and $915. It accounts for about 33% of the departures on this route, with an in-flight time of 13 hours and an overall journey duration of roughly 18 hours and 30 minutes, factoring in layovers.
  • Avianca: This full-service airline also provides multi-stop services, with one-way prices typically ranging from $400 to $785. Avianca makes up around 20% of the departures for this route, offering a flight time of 13 hours and an estimated total travel time of about 18 hours and 30 minutes, including layovers.

How to find the best prices for flights from Seattle (SEA) to Cusco (CUZ)

Getting some of the best deals on flights from Seattle to Cusco is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually found when booking at least two months in advance, which coincides with when most travelers make their reservations. Departures in the afternoon, between 12 PM and 6 PM, not only offer lower prices but are also the most favored flight times. Additionally, flying on Sunday provides both affordability and popularity as a travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.* Find Cusco hotel and flight deals.
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Alejandro Velasco Astete International Airport from Seattle - Tacoma International Airport

Cusco welcomes travelers from Seattle with a range of transport options based on price, convenience, and proximity. For departures, Seattle - Tacoma International Airport is roughly a 20-minute drive (covering about 14 miles) from central Seattle. Here's how to reach Cusco efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Cusco, with options including free hotel shuttles and private rides, which can be arranged in advance with your hotel.
  • Car rental: Renting a car from Alejandro Velasco Astete International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Alejandro Velasco Astete International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Alejandro Velasco Astete International Airport, Cusco Bus Station (a bus station) is located about 1.6 miles away by car, while Cusco Wanchaq Station (a train station) is approximately 2.5 miles away by car. For those looking to travel by sea, Cusco Seaport (a seaport) is situated about 3.2 miles from the airport, also accessible by car.

Frequently asked questions

How much does a flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Cusco (CUZ-Alejandro Velasco Astete Intl.) cost?
You can find cheap one-way flights from $533 and cheap return flights from $1,001 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Cusco (CUZ-Alejandro Velasco Astete Intl.) with Expedia. One-way flights usually range from $489 to $2425, and return flights typically cost between $1182 and $4982. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Seattle, WA (SEA-Seattle - Tacoma Intl.) to Cusco (CUZ-Alejandro Velasco Astete Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Cusco (CUZ-Alejandro Velasco Astete Intl.)?
The cheapest month to fly from SEA to CUZ is January when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Cusco (CUZ-Alejandro Velasco Astete Intl.)?
Enter SEA to CUZ and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Cusco (CUZ-Alejandro Velasco Astete Intl.)?
Air Canada is one of the cheapest airlines offering connecting flights from Seattle (SEA) to Cusco (CUZ), with round-trip tickets starting from around $889 with a layover in Pearson Intl. (YYZ). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Cusco (CUZ-Alejandro Velasco Astete Intl.)?
To find a cheap flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Cusco (CUZ-Alejandro Velasco Astete Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Cusco (CUZ-Alejandro Velasco Astete Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Cusco (CUZ-Alejandro Velasco Astete Intl.)?
The earliest flight from Seattle - Tacoma International Airport (SEA) to Alejandro Velasco Astete International Airport (CUZ) typically departs at around 12:10 AM, operated by Alaska Airlines and Avianca. This is a seasonal service active in June, allowing you to start your adventure in Cusco early in the day. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Cusco (CUZ-Alejandro Velasco Astete Intl.)?
The most popular departure times for flights from Seattle - Tacoma International Airport (SEA) to Alejandro Velasco Astete International Airport (CUZ) are in the afternoon, from 12pm to 3pm. About 36% of passengers prefer this time window. Many major carriers, including Delta Air Lines, LATAM Airlines, and United Airlines, offer flights during this window. This timing works well because it allows you to travel after a full morning of activities.
How long does it take to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Cusco (CUZ-Alejandro Velasco Astete Intl.)?
Flights from SEA to CUZ with one stop typically take around 22 hours 20 minutes, covering approximately 5,231 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Cusco (CUZ-Alejandro Velasco Astete Intl.)?
Select the "Business class" and "First class" filters when looking for SEA to CUZ flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Cusco (CUZ-Alejandro Velasco Astete Intl.) flight with Expedia?
It's easy to earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Cusco (CUZ-Alejandro Velasco Astete Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Cusco from Seattle - Tacoma Intl. (SEA)?
If you're planning to travel to Cusco from Seattle - Tacoma Intl. (SEA), you can fly typically into Alejandro Velasco Astete Intl. (CUZ) Some flights may connect through major hubs like Los Angeles Intl. (LAX), Hartsfield-Jackson Atlanta Intl. (ATL), John F. Kennedy Intl. (JFK) before reaching Cusco. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Cusco (CUZ-Alejandro Velasco Astete Intl.) at the last minute?
Typically, booking a last minute flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Cusco (CUZ-Alejandro Velasco Astete Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Cusco (CUZ-Alejandro Velasco Astete Intl.) flight and hotel package?
Securing a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Cusco (CUZ-Alejandro Velasco Astete Intl.) Cusco Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals 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, WA (SEA-Seattle - Tacoma Intl.) to Cusco (CUZ-Alejandro Velasco Astete Intl.)?
If you booked your Seattle, WA (SEA-Seattle - Tacoma Intl.) to Cusco (CUZ-Alejandro Velasco Astete Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Alejandro Velasco Astete Intl.
Airlines serving
Air Canada, American Airlines, Delta, LATAM Airlines Group, avianca
Roundtrip price
$1,001
Distance
5229 mi

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 2026. You can also book with separate airlines for your outbound and return journeys, from $533 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

*Flight schedules are subject to change.

*Available to One Key members.

 

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