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$631+ 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 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
CPT — SEA
Aug 28 — Sep 41
Fri 8/28
Fri 9/4
1 adult, Economy
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Cheap 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 July 29, 2026.

This United Airlines deal was found by Cheapflights users on 7/26. 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 8/238:00 pm
CPT
-
SEA
1 stop29h 06m
United Airlines
Wed 9/98:40 am
SEA
-
CPT
2 stops23h 30m
United Airlines
Deal found 7/26$1,032
This flightsite.co.za deal was found by Cheapflights users on 7/27. 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 flightsite.co.za is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/61:15 pm
CPT
-
SEA
1 stop32h 30m
Qatar Airways
Wed 9/234:25 pm
SEA
-
CPT
1 stop32h 50m
Qatar Airways
Deal found 7/27$1,106
This United Airlines deal was found by Cheapflights users on 7/26. 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 9/68:00 pm
CPT
-
SEA
2 stops27h 24m
United Airlines
Wed 9/236:32 am
SEA
-
CPT
2 stops25h 38m
United Airlines
Deal found 7/26$1,140
This KLM deal was found by Cheapflights users on 7/26. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/212:30 am
CPT
-
SEA
1 stop45h 20m
KLM
Thu 12/102:35 pm
SEA
-
CPT
1 stop22h 05m
KLM
Deal found 7/26$1,156
This KLM deal was found by Cheapflights users on 7/25. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/211:15 pm
CPT
-
SEA
1 stop26h 20m
KLM
Fri 9/1110:40 pm
SEA
-
CPT
2 stops37h 45m
KLM
Deal found 7/25$1,160

Find 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 July 29, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$1,032
(United Airlines)

One-way from

$631
(Booking.com)

Popular in

June

Cheapest in

August

Average price

$1,273
Provider with most accurate pricing for Cape Town Intl-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Cape Town Intl-Seattle/Tacoma Intl flights.
Search Deals
From Cape Town Intl to Seattle/Tacoma Intl
Search Deals
One-way flight from Cape Town Intl to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($121 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

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 July 29, 2026.
Use the filters below to find and compare flights from Cape Town to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Cape TownSeattle

CPT - SEA

CPTSEA

Cape Town Intl

Sun 8/23

8:00 pm-4:06 pm

1 stop29h 06m

Seattle/Tacoma Intl

Wed 9/9

7:30 am-5:10 pm

1 stop24h 40m

$1,032

Cape TownSeattle

CPT - SEA

CPTSEA

Cape Town Intl

Sun 9/13

8:00 pm-3:46 pm

1 stop28h 46m

Seattle/Tacoma Intl

Sun 9/27

11:13 pm-3:20 pm

2 stops31h 07m

$1,032

Cape TownSeattle

CPT - SEA

CPTSEA

Cape Town Intl

Sun 9/6

8:00 pm-4:06 pm

1 stop29h 06m

Seattle/Tacoma Intl

Wed 9/23

11:04 pm-5:10 pm

2 stops57h 06m

$1,032
Cheapest one-way

Cape TownSeattle

CPT - SEA

CPTSEA

Cape Town Intl

Thu 11/12

5:20 pm-5:10 pm

1 stop33h 50m

$803

Cape TownSeattle

CPT - SEA

CPTSEA

Cape Town Intl

Thu 12/17

2:00 pm-5:10 pm

2 stops37h 10m

$821

Cape TownSeattle

CPT - SEA

CPTSEA

Cape Town Intl

Sun 11/15

5:20 pm-5:10 pm

1 stop33h 50m

$823

Cape TownSeattle

CPT - SEA

CPTSEA

Cape Town Intl

Sat 11/14

5:20 pm-5:10 pm

1 stop33h 50m

$823

Cape TownSeattle

CPT - SEA

CPTSEA

Cape Town Intl

Thu 12/17

1:50 pm-11:40 am

3 stops55h 50m

$897

Cape TownSeattle

CPT - SEA

CPTSEA

Cape Town Intl

Thu 12/3

12:30 am-11:50 am

1 stop45h 20m

$1,034

Cape TownSeattle

CPT - SEA

CPTSEA

Cape Town Intl

Sun 11/29

7:30 am-11:47 am

1 stop38h 17m

$1,034

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/26

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

Compare providers for flights from Cape Town to Seattle

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Cape Town to Seattle in July.
ProviderPrice AccuracyTrust Score*
OvagoPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Cape Town-Seattle flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Cape Town-Seattle flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from Cape Town-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Cape Town-Seattle flights, Cheapflights users trust Ovago the most. Ovago has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Cape Town-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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?

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 50 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, August is the cheapest month in which you can book a flight from Cape Town to Seattle (average of $977). Flying from Cape Town to Seattle in June is currently the most expensive (average of $1,369). 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.

How much does it cost to fly round-trip from Cape Town to Seattle?

Airfare is typical for this route at the moment.

Cape Town to Seattle flights typically cost between $965 and $1,152 in August.
The cheapest round-trip price found within the last 5 days was $1,032 on United Airlines (Aug 23-Sep 9).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated July 29, 2026.
Read reviews from past customers who have flown United Airlines from Cape Town to Seattle. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
10,046 reviews

Boarding

7.7

Entertainment

7.1

Crew

8.1

Overall

7.4

Food

6.6

Comfort

7.3

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
United Airlines
7.4
Good
10,046 reviews
United Airlines
7.4
Good
10,046 reviews

Boarding

7.7

Entertainment

7.1

Crew

8.1

Overall

7.4

Food

6.6

Comfort

7.3

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this

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 United Airlines fly from Cape Town to Seattle in about 29h 06m. The time it takes to get you to your destination can typically vary by up to . There are 10211 mi between Cape Town and Seattle.

  • What is the cheapest airline to fly from Cape Town to Seattle round-trip?

    United Airlines, at $969, was found to be the cheapest airline from Cape Town to Seattle.. United Airlines is currently priced 14% below the average price you’ll pay for this route.

  • 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, August is the cheapest month in which you can book a flight from Cape Town to Seattle (average of $977). Flying from Cape Town to Seattle in June is currently the most expensive (average of $1,369). 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
Renton
Tacoma
Lacey
Leavenworth
Olympia
Edmonds
Tukwila
Snoqualmie
Tumwater
Centralia
Puyallup
Kent
Ellensburg
Fife
Marysville
Ocean Shores
Lakewood
Lynnwood
Shoreline

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Cape Town to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
OR Tambo to Portland flights
OR Tambo to Seattle flights
Cape Town to Portland flights

Top airline flying from Cape Town to Seattle

Discover the top airline that operate flights from Cape Town to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$969Average$971FlexibilityNo cancel feeOn-time69%

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