Cheap flights from Seattle to Cusco from $336

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Cusco departing on 8/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Seattle to Cusco

Cheap round-trip flights

LATAM Airlines Logo
11:55 am - 9:00 amSEA-CUZ
18h 05m2 stops
LATAM Airlines Logo
9:30 pm - 1:00 pmCUZ-SEA
18h 30m2 stops
$1,024LATAM Airlines
Find Deal
Sat, Jan 3 - Sat, Feb 28
LATAM Airlines Logo
5:00 am - 11:45 pmSEA-CUZ
15h 45m2 stops
LATAM Airlines Logo
8:15 pm - 1:00 pmCUZ-SEA
19h 45m2 stops
$1,059LATAM Airlines
Find Deal
Sun, Nov 2 - Wed, Nov 12
LATAM Airlines Logo
11:55 am - 9:25 amSEA-CUZ
18h 30m2 stops
LATAM Airlines Logo
12:05 am - 10:13 pmCUZ-SEA
25h 08m2 stops
$1,072LATAM Airlines
Find Deal
Sat, Jan 3 - Fri, Feb 27
LATAM Airlines Logo
5:00 am - 11:45 pmSEA-CUZ
15h 45m2 stops
LATAM Airlines Logo
12:05 am - 10:00 pmCUZ-SEA
24h 55m2 stops
$1,081LATAM Airlines
Find Deal
Sun, Nov 2 - Tue, Nov 11
LATAM Airlines Logo
6:00 am - 12:45 amSEA-CUZ
16h 45m2 stops
LATAM Airlines Logo
6:50 am - 12:18 amCUZ-SEA
19h 28m2 stops
$1,094LATAM Airlines
Find Deal
Wed, Oct 1 - Thu, Oct 16
Delta Logo
8:00 am - 10:45 amSEA-CUZ
23h 45m2 stops
Delta Logo
8:15 pm - 1:00 pmCUZ-SEA
19h 45m2 stops
$1,168Delta
Find Deal
Sun, Dec 7 - Wed, Dec 10
 Logo
12:00 pm - 12:35 amSEA-CUZ
34h 35m3 stops
 Logo
6:55 am - 10:59 amCUZ-SEA
30h 04m3 stops
$1,172
Find Deal
Sat, Sep 13 - Sat, Sep 20
 Logo
10:00 am - 2:19 pmSEA-CUZ
26h 19m3 stops
 Logo
6:55 am - 10:59 amCUZ-SEA
30h 04m3 stops
$1,216
Find Deal
Wed, Aug 27 - Wed, Sep 3
American Airlines Logo
5:48 am - 6:56 amSEA-CUZ
22h 08m3 stops
American Airlines Logo
9:02 pm - 11:40 pmCUZ-SEA
29h 38m2 stops
$2,247American Airlines
Find Deal
Sun, Nov 2 - Wed, Nov 12
American Airlines Logo
10:09 am - 7:24 amSEA-CUZ
19h 15m3 stops
American Airlines Logo
8:57 pm - 11:35 pmCUZ-SEA
28h 38m2 stops
$2,302American Airlines
Find Deal
Wed, Oct 1 - Thu, Oct 16

American Airlines flights from Seattle to Cusco

Our best American Airlines deals on Seattle to Cusco flight tickets
American Airlines
Nov 2
SEA5:48 amSeattle/Tacoma Intl
22h 08m
3 stops
CUZ6:56 amCusco Velazco Astete
Nov 12
CUZ9:02 pmCusco Velazco Astete
29h 38m
2 stops
SEA11:40 pmSeattle/Tacoma Intl
American Airlines
Oct 1
SEA10:09 amSeattle/Tacoma Intl
19h 15m
3 stops
CUZ7:24 amCusco Velazco Astete
Oct 16
CUZ8:57 pmCusco Velazco Astete
28h 38m
2 stops
SEA11:35 pmSeattle/Tacoma Intl
American Airlines
Nov 2
SEA5:48 amSeattle/Tacoma Intl
22h 08m
3 stops
CUZ6:56 amCusco Velazco Astete
Nov 12
CUZ9:02 pmCusco Velazco Astete
20h 57m
3 stops
SEA2:59 pmSeattle/Tacoma Intl

LATAM Airlines flights from Seattle to Cusco

Our best LATAM Airlines deals on Seattle to Cusco flight tickets
LATAM Airlines
Jan 3
SEA11:55 amSeattle/Tacoma Intl
18h 05m
2 stops
CUZ9:00 amCusco Velazco Astete
Feb 28
CUZ9:30 pmCusco Velazco Astete
18h 30m
2 stops
SEA1:00 pmSeattle/Tacoma Intl
LATAM Airlines
Nov 2
SEA5:00 amSeattle/Tacoma Intl
15h 45m
2 stops
CUZ11:45 pmCusco Velazco Astete
Nov 12
CUZ8:15 pmCusco Velazco Astete
19h 45m
2 stops
SEA1:00 pmSeattle/Tacoma Intl
LATAM Airlines
Jan 3
SEA11:55 amSeattle/Tacoma Intl
18h 30m
2 stops
CUZ9:25 amCusco Velazco Astete
Feb 27
CUZ12:05 amCusco Velazco Astete
25h 08m
2 stops
SEA10:13 pmSeattle/Tacoma Intl

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Cusco 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, momondo users made 832,500 searches. Data last updated July 31, 2025.
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

Sat 1/3

11:55 am-9:00 am

2 stops18h 05m

Cusco Velazco Astete

Sat 2/28

9:30 pm-1:00 pm

2 stops18h 30m

$1,024

SeattleCusco

SEA - CUZ

SEACUZ

Seattle/Tacoma Intl

Sun 11/2

5:00 am-11:45 pm

2 stops15h 45m

Cusco Velazco Astete

Wed 11/12

8:15 pm-1:00 pm

2 stops19h 45m

$1,059

SeattleCusco

SEA - CUZ

SEACUZ

Seattle/Tacoma Intl

Sat 1/3

11:55 am-9:25 am

2 stops18h 30m

Cusco Velazco Astete

Fri 2/27

12:05 am-10:13 pm

2 stops25h 08m

$1,072

SeattleCusco

SEA - CUZ

SEACUZ

Seattle/Tacoma Intl

Sun 11/2

5:00 am-11:45 pm

2 stops15h 45m

Cusco Velazco Astete

Tue 11/11

12:05 am-10:00 pm

2 stops24h 55m

$1,081

SeattleCusco

SEA - CUZ

SEACUZ

Seattle/Tacoma Intl

Wed 10/1

6:00 am-12:45 am

2 stops16h 45m

Cusco Velazco Astete

Thu 10/16

6:50 am-12:18 am

2 stops19h 28m

$1,094

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

8:15 pm-1:00 pm

2 stops19h 45m

$1,168

SeattleCusco

SEA - CUZ

SEACUZ

Seattle/Tacoma Intl

Sat 9/13

12:00 pm-12:35 am

3 stops34h 35m

Cusco Velazco Astete

Sat 9/20

6:55 am-10:59 am

3 stops30h 04m

$1,172

SeattleCusco

SEA - CUZ

SEACUZ

Seattle/Tacoma Intl

Wed 8/27

10:00 am-2:19 pm

3 stops26h 19m

Cusco Velazco Astete

Wed 9/3

6:55 am-10:59 am

3 stops30h 04m

$1,216

SeattleCusco

SEA - CUZ

SEACUZ

Seattle/Tacoma Intl

Sun 11/2

5:48 am-6:56 am

3 stops22h 08m

Cusco Velazco Astete

Wed 11/12

9:02 pm-11:40 pm

2 stops29h 38m

$2,247

SeattleCusco

SEA - CUZ

SEACUZ

Seattle/Tacoma Intl

Wed 10/1

10:09 am-7:24 am

3 stops19h 15m

Cusco Velazco Astete

Thu 10/16

8:57 pm-11:35 pm

2 stops28h 38m

$2,302

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Cusco from

How to get the cheapest flight ticket from Seattle to Cusco

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Seattle and Cusco?

What is the cheapest month to fly to Cusco?

In general, January is the cheapest month to fly from Seattle to Cusco. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,046. If you aren’t able to travel to Cusco during the month of January, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $1,070.

What is the cheapest day to depart on your flight to Cusco?

The cheapest day to depart from Seattle to Cusco is on a Tuesday when prices can be found for as low as $1,019. The most expensive day to fly to Cusco is Friday, with ticket prices averaging around $1,308.

What is the cheapest time of day to depart on your flight to Cusco?

According to our data, the cheapest time of day to fly to Cusco is in the morning. momondo users have found flights departing from Seattle to Cusco in the morning for as low as $1,057. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Cusco is in the afternoon when prices are around $1,201.

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

You are more likely to see cheaper flights to Cusco from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Cusco for around $1,159 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Cusco from Seattle for as low as $1,066 on momondo.

When to book flights from Seattle to Cusco

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Cusco according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Cusco (SEA to CUZ) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Cusco

Best Price Found

$336

Fastest flight time

15h 45m

Direct flights

None

Airports in Cusco

1 airport
The best one-way flight to Cusco from Seattle in the past 72 hours is $336. The best round-trip flight deal from Seattle to Cusco found on momondo in the last 72 hours is $1,024.
The fastest flight from Seattle to Cusco takes 15h 45m
There are no direct flights from Seattle to Cusco. Popular non-direct route for this connection is Seattle/Tacoma Intl Airport - Cusco Velazco Astete Airport.
There is 1 airport near Cusco: Cusco Velazco Astete (CUZ)

  • How far is Seattle/Tacoma Intl to Cusco Velazco Astete by plane?

    Cusco Velazco Astete is 5234.1 mi away from Seattle/Tacoma Intl. In terms of flight time, this usually takes a little over 15h 45m.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Cusco Velazco Astete Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Cusco Velazco Astete Airport refresh daily.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Cusco Velazco Astete Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Cusco Velazco Astete Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Cusco Velazco Astete Airport.

  • What documentation or ID do you need to fly to Cusco Velazco Astete Airport?

    The necessary travel and health documents for your Cusco Velazco Astete Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Seattle to Cusco?


Best airlines flying from Seattle to Cusco

Compare and see reviews for airlines that fly from Seattle to Cusco with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $997Free CancellationRating
8.0
7,981 reviews
Search Delta flights
LATAM AirlinesPriceFrom $1,012Free CancellationRating
7.5
1,822 reviews
Search LATAM Airlines flights

Traveling to a place near Cusco?

Book flights to Cusco if you plan to visit one of these locations
Machu Picchu
Ollantaytambo
Urubamba

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Cusco?

It is quick and easy to find Seattle to Cusco flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Cusco that suits you.

Can I find flights from Seattle to Cusco with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Cusco from Seattle with this policy.

How can momondo help me find flights from Seattle to Cusco?

momondo helps you find the best flight between Seattle and Cusco by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Seattle to Cusco right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Seattle to Cusco flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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Tue 8/5
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