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Cheap flights from Seattle to Cusco from $946

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Cusco departing on 11/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Seattle to Cusco

Cheap round-trip flights

Logo
2:40 pm - 11:20 amSEA-CUZ
41h 40m2 stops
Logo
12:25 pm - 11:15 pmCUZ-SEA
37h 50m2 stops
$946
Find Deal
Fri, Nov 7 - Fri, Nov 21
LATAM Airlines Logo
12:00 pm - 9:00 amSEA-CUZ
18h 00m2 stops
LATAM Airlines Logo
9:50 pm - 1:00 pmCUZ-SEA
18h 10m2 stops
$1,028LATAM Airlines
Find Deal
Thu, Jan 1 - Sat, Feb 28
Logo
5:50 am - 11:20 amSEA-CUZ
27h 30m3 stops
Logo
7:50 pm - 10:16 pmCUZ-SEA
29h 26m3 stops
$1,060
Find Deal
Tue, Oct 28 - Tue, Nov 4
LATAM Airlines Logo
12:00 pm - 10:45 amSEA-CUZ
19h 45m2 stops
LATAM Airlines Logo
12:05 am - 10:13 pmCUZ-SEA
25h 08m2 stops
$1,077LATAM Airlines
Find Deal
Thu, Jan 1 - Fri, Feb 27
American Airlines Logo
10:08 pm - 6:26 amSEA-CUZ
29h 18m2 stops
American Airlines Logo
4:37 pm - 11:26 pmCUZ-SEA
33h 49m2 stops
$1,097American Airlines
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Mon, Nov 3 - Tue, Nov 18
Delta Logo
11:40 am - 9:25 amSEA-CUZ
18h 45m2 stops
Delta Logo
7:50 pm - 5:00 pmCUZ-SEA
24h 10m2 stops
$1,102Delta
Find Deal
Mon, Nov 3 - Tue, Nov 18
American Airlines Logo
10:08 pm - 6:26 amSEA-CUZ
29h 18m2 stops
American Airlines Logo
11:22 am - 11:44 pmCUZ-SEA
39h 22m2 stops
$1,143American Airlines
Find Deal
Fri, Nov 7 - Fri, Nov 21
Delta Logo
5:00 am - 11:45 pmSEA-CUZ
15h 45m2 stops
Delta Logo
7:50 pm - 5:14 pmCUZ-SEA
24h 24m2 stops
$1,148Delta
Find Deal
Sun, Nov 2 - Wed, Nov 12
British Airways Logo
12:59 am - 7:26 amSEA-CUZ
27h 27m3 stops
British Airways Logo
9:32 pm - 11:44 pmCUZ-SEA
29h 12m2 stops
$1,220British Airways
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Thu, Nov 6 - Fri, Nov 21
British Airways Logo
12:59 am - 7:26 amSEA-CUZ
27h 27m3 stops
British Airways Logo
11:22 am - 1:09 pmCUZ-SEA
28h 47m3 stops
$1,405British Airways
Find Deal
Thu, Nov 6 - Fri, Nov 21

LATAM Airlines flights from Seattle to Cusco

Our best LATAM Airlines deals on Seattle to Cusco flight tickets
LATAM Airlines
Jan 1
SEA12:00 pmSeattle/Tacoma Intl
18h 00m
2 stops
CUZ9:00 amCusco Velazco Astete
Feb 28
CUZ9:50 pmCusco Velazco Astete
18h 10m
2 stops
SEA1:00 pmSeattle/Tacoma Intl
$1,028
Find similar
LATAM Airlines
Jan 1
SEA12:00 pmSeattle/Tacoma Intl
19h 45m
2 stops
CUZ10:45 amCusco Velazco Astete
Feb 27
CUZ12:05 amCusco Velazco Astete
25h 08m
2 stops
SEA10:13 pmSeattle/Tacoma Intl
$1,077
Find similar
LATAM Airlines
Mar 12
SEA7:20 amSeattle/Tacoma Intl
20h 55m
2 stops
CUZ6:15 amCusco Velazco Astete
Apr 4
CUZ4:15 amCusco Velazco Astete
19h 57m
2 stops
SEA10:12 pmSeattle/Tacoma Intl
$1,088
Find similar

American Airlines flights from Seattle to Cusco

Our best American Airlines deals on Seattle to Cusco flight tickets
American Airlines
Nov 3
SEA10:08 pmSeattle/Tacoma Intl
29h 18m
2 stops
CUZ6:26 amCusco Velazco Astete
Nov 18
CUZ4:37 pmCusco Velazco Astete
33h 49m
2 stops
SEA11:26 pmSeattle/Tacoma Intl
$1,097
Find similar
American Airlines
Nov 7
SEA10:08 pmSeattle/Tacoma Intl
29h 18m
2 stops
CUZ6:26 amCusco Velazco Astete
Nov 21
CUZ11:22 amCusco Velazco Astete
39h 22m
2 stops
SEA11:44 pmSeattle/Tacoma Intl
$1,143
Find similar
American Airlines
Dec 18
SEA12:43 pmSeattle/Tacoma Intl
18h 43m
2 stops
CUZ10:26 amCusco Velazco Astete
Jan 11
CUZ9:02 pmCusco Velazco Astete
29h 25m
2 stops
SEA11:27 pmSeattle/Tacoma Intl
$1,765
Find similar

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 September 15, 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

Fri 11/7

2:40 pm-11:20 am

2 stops41h 40m

Cusco Velazco Astete

Fri 11/21

12:25 pm-11:15 pm

2 stops37h 50m

$946

SeattleCusco

SEA - CUZ

SEACUZ

Seattle/Tacoma Intl

Thu 1/1

12:00 pm-9:00 am

2 stops18h 00m

Cusco Velazco Astete

Sat 2/28

9:50 pm-1:00 pm

2 stops18h 10m

$1,028

SeattleCusco

SEA - CUZ

SEACUZ

Seattle/Tacoma Intl

Tue 10/28

5:50 am-11:20 am

3 stops27h 30m

Cusco Velazco Astete

Tue 11/4

7:50 pm-10:16 pm

3 stops29h 26m

$1,060

SeattleCusco

SEA - CUZ

SEACUZ

Seattle/Tacoma Intl

Thu 1/1

12:00 pm-10:45 am

2 stops19h 45m

Cusco Velazco Astete

Fri 2/27

12:05 am-10:13 pm

2 stops25h 08m

$1,077

SeattleCusco

SEA - CUZ

SEACUZ

Seattle/Tacoma Intl

Mon 11/3

10:08 pm-6:26 am

2 stops29h 18m

Cusco Velazco Astete

Tue 11/18

4:37 pm-11:26 pm

2 stops33h 49m

$1,097

SeattleCusco

SEA - CUZ

SEACUZ

Seattle/Tacoma Intl

Mon 11/3

11:40 am-9:25 am

2 stops18h 45m

Cusco Velazco Astete

Tue 11/18

7:50 pm-5:00 pm

2 stops24h 10m

$1,102

SeattleCusco

SEA - CUZ

SEACUZ

Seattle/Tacoma Intl

Fri 11/7

10:08 pm-6:26 am

2 stops29h 18m

Cusco Velazco Astete

Fri 11/21

11:22 am-11:44 pm

2 stops39h 22m

$1,143

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

7:50 pm-5:14 pm

2 stops24h 24m

$1,148

SeattleCusco

SEA - CUZ

SEACUZ

Seattle/Tacoma Intl

Thu 11/6

12:59 am-7:26 am

3 stops27h 27m

Cusco Velazco Astete

Fri 11/21

9:32 pm-11:44 pm

2 stops29h 12m

$1,220

SeattleCusco

SEA - CUZ

SEACUZ

Seattle/Tacoma Intl

Thu 11/6

12:59 am-7:26 am

3 stops27h 27m

Cusco Velazco Astete

Fri 11/21

11:22 am-1:09 pm

3 stops28h 47m

$1,405

Flights are sorted by cheapest round-trip flights 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 cheapest month to fly to Cusco?

In general, October 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 $1,044. If you aren’t able to travel to Cusco during the month of October, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $1,046.

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 $1,180 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

Direct flights

None
There are no direct flights from Seattle to Cusco. There are no popular flight routes from Seattle to Cusco.
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  • 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
7.9
7,954 reviews
Search Delta flights
LATAM AirlinesPriceFrom $1,017Free CancellationRating
7.5
1,847 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
Urubamba
Ollantaytambo

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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