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$684+ Cheap flights from Cape Town (CPT) to Seattle (SEA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/23. Fares are subject to change and may not be available on all flights or dates of travel.
CPT — SEA
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Cape Town Intl to Seattle/Tacoma Intl are usually found in February or November, booked 86 days in advance, depart on a Monday or Wednesday and return on a Monday

Cheap flight deals from Cape Town to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Cape Town (CPT) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$983
(Delta)

One-way from

$684
(Mytrip)

Popular in

July

Cheapest in

February

Average price

$1,132
From Cape Town Intl to Seattle/Tacoma Intl
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One-way flight from Cape Town Intl to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 10% potential increase in price ($136 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Cape Town to Seattle

Cheapest flights from Cape Town to Seattle
Explore the most affordable flight options available from Cape Town to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This lastminute.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/128:05 pmCPT - SEA
1 stop36h 49mVirgin Atlantic
Thu 9/1811:35 amSEA - CPT
1 stop21h 15mVirgin Atlantic
Deal found 9/11$880
This Delta deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/128:05 pmCPT - SEA
2 stops25h 19mDelta
Thu 9/189:25 amSEA - CPT
2 stops23h 25mDelta
Deal found 9/11$981
This Delta deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/268:50 pmCPT - SEA
1 stop30h 00mDelta
Sun 11/211:10 pmSEA - CPT
1 stop34h 05mDelta
Deal found 9/11$983
This British Airways deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/208:45 pmCPT - SEA
1 stop24h 45mBritish Airways
Mon 11/246:50 pmSEA - CPT
1 stop31h 20mBritish Airways
Deal found 9/10$1,130
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/268:50 pmCPT - SEA
3 stops35h 25mUnited Airlines
Sun 11/27:13 pmSEA - CPT
2 stops34h 57mUnited Airlines
Deal found 9/11$1,193
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/99:30 pmCPT - SEA
1 stop33h 20mDelta
Tue 12/231:40 pmSEA - CPT
1 stop31h 05mDelta
Deal found 9/9$1,231

Cheapflights Fare Finder

 
Customize your flight search to find flights from Cape Town to Seattle 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, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from Cape Town to Seattle that are best for you.

Fly from

Cape Town

Fly to

Seattle

Route

Depart

Return

Price

Cape TownSeattle

CPT - SEA

CPTSEA

Cape Town Intl

Sun 10/26

8:50 pm-5:50 pm

1 stop30h 00m

Seattle/Tacoma Intl

Sun 11/2

11:10 pm-7:15 pm

1 stop34h 05m

$983

Cape TownSeattle

CPT - SEA

CPTSEA

Cape Town Intl

Thu 11/20

8:45 pm-11:30 am

1 stop24h 45m

Seattle/Tacoma Intl

Mon 11/24

6:50 pm-12:10 pm

1 stop31h 20m

$1,130

Cape TownSeattle

CPT - SEA

CPTSEA

Cape Town Intl

Sun 10/26

8:50 pm-11:15 pm

3 stops35h 25m

Seattle/Tacoma Intl

Sun 11/2

7:13 pm-4:10 pm

2 stops34h 57m

$1,193

Cape TownSeattle

CPT - SEA

CPTSEA

Cape Town Intl

Tue 12/9

9:30 pm-8:50 pm

1 stop33h 20m

Seattle/Tacoma Intl

Tue 12/23

1:40 pm-6:45 am

1 stop31h 05m

$1,231

Cape TownSeattle

CPT - SEA

CPTSEA

Cape Town Intl

Thu 10/23

1:00 pm-12:45 pm

1 stop32h 45m

$684

Cape TownSeattle

CPT - SEA

CPTSEA

Cape Town Intl

Thu 10/23

6:20 am-7:34 pm

3 stops46h 14m

$759

Cape TownSeattle

CPT - SEA

CPTSEA

Cape Town Intl

Tue 11/11

12:35 pm-6:20 pm

3 stops39h 45m

$2,262

Cape TownSeattle

CPT - SEA

CPTSEA

Cape Town Intl

Tue 11/11

8:00 am-2:48 pm

2 stops40h 48m

$2,487

Cape TownSeattle

CPT - SEA

CPTSEA

Cape Town Intl

Wed 9/24

8:40 am-6:36 pm

2 stops42h 56m

$3,246

Cape TownSeattle

CPT - SEA

CPTSEA

Cape Town Intl

Tue 11/11

9:30 am-1:20 pm

1 stop37h 50m

$3,247

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 13 results
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Best time to book a flight from Cape Town to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Cape Town with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Cape Town to Seattle

How far ahead should I book a flight from Cape Town to Seattle?

Use this chart to determine the optimal time to book a round-trip flight from Cape Town to Seattle. Price data was last updated on August 29, 2025.

The price you pay for your flight from Cape Town to Seattle may vary depending on when you book. For the best chance of a lower fare, look to book 85 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Cape Town to Seattle?

Currently, January is the cheapest month in which you can book a flight from Cape Town to Seattle (average of $238). Flying from Cape Town to Seattle in June is currently the most expensive (average of $388). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CPT to SEA?

Find hourly flight availability from Cape Town to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

It’s typically best to fly out from Cape Town to Seattle in the afternoon. Doing so could potentially save you 20% on the flight price compared to flying in the morning, which is usually more expensive.

Related info for your journey

Find useful and relevant information for your journey from Cape Town to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Cape Town to Seattle?

    Airlines like Delta and British Airways fly from Cape Town to Seattle in about 24h 45m. The time it takes to get you to your destination can typically vary by up to 5h 15m. There are 10211 mi between Cape Town and Seattle. This flight may include one or multiple stops.

  • Can I find deals for flights from Cape Town to Seattle that include hotel bookings?

    Yes. In addition to deals on Cape Town to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Cape Town to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cape Town to Seattle.

  • Can I find deals for business class flights from Cape Town to Seattle?

    Yes. Cheapflights offers flight deals from Cape Town to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Cape Town to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Cape Town to Seattle (average of $238). Flying from Cape Town to Seattle in June is currently the most expensive (average of $388). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
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Leavenworth
Lacey
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Olympia
Kent
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Shoreline

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