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Cheap flights from Cape Town to Seattle from R12 418

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 20/7. Fares are subject to change and may not be available on all flights or dates of travel.
CPT — SEA
Jun 16 — Jun 231
1 adult

Cheapflights Tip: The best prices from Cape Town Intl to Seattle/Tacoma Intl are usually found in February or May, booked 33 days in advance, depart on a Tuesday or Monday 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 11 June 2025.

Round-trip from

R18 493

One-way from

R12 418

Popular in

July

Cheapest in

February

Average price

R22 798
KLM
  • KLM
  • 16/10-23/10
  • 3 total stops
  • 57h 30m total
  • Cape Town to Seattle
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Qatar Airways
  • Qatar Airways
  • 20/7
  • 1 total stop
  • 32h 45m total
  • Cape Town to Seattle
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (R52 360 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (R5 795 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 11 June 2025.

Thu 16/1014:00CPT - SEA
2 stops30h 15mMultiple Airlines
Thu 23/1017:40SEA - CPT
1 stop27h 15mMultiple Airlines
Deal found 9/6R18 493
Wed 6/823:15CPT - SEA
2 stops29h 30mDelta
Mon 25/87:20SEA - CPT
1 stop25h 30mDelta
Deal found 11/6R18 529
Wed 6/816:35CPT - SEA
1 stop27h 00mTurkish Airlines
Mon 25/819:10SEA - CPT
1 stop31h 40mTurkish Airlines
Deal found 9/6R18 547
Mon 16/619:50CPT - SEA
3 stops34h 18mUnited Airlines
Sat 5/70:20SEA - CPT
2 stops31h 50mUnited Airlines
Deal found 11/6R18 919
Mon 16/623:00CPT - SEA
1 stop45h 40mKLM
Sun 6/717:35SEA - CPT
1 stop42h 50mKLM
Deal found 11/6R20 353
Thu 24/718:55CPT - SEA
1 stop32h 25mBritish Airways
Thu 31/720:20SEA - CPT
1 stop29h 40mBritish Airways
Deal found 9/6R22 621
Mon 30/613:00CPT - SEA
1 stop32h 45mQatar Airways
Sat 30/816:30SEA - CPT
1 stop33h 20mQatar Airways
Deal found 10/6R24 977
Thu 25/1210:40CPT - SEA
2 stops30h 30mSingapore Airlines
Sat 27/128:45SEA - CPT
2 stops38h 40mSingapore Airlines
Deal found 11/6R25 243
Thu 16/1013:50CPT - SEA
3 stops39h 54mEthiopian Air
Thu 23/108:00SEA - CPT
2 stops45h 35mEthiopian Air
Deal found 9/6R29 990

Cheapflights Fare Finder

Customise 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 594 507 searches. Data last updated 11 June 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

Thu 16/10

14:00-11:15

2 stops30h 15m

Seattle/Tacoma Intl

Thu 23/10

17:40-5:55

1 stop27h 15m

R18 493

Cape TownSeattle

CPT - SEA

CPTSEA

Cape Town Intl

Wed 6/8

23:15-19:45

2 stops29h 30m

Seattle/Tacoma Intl

Mon 25/8

7:20-17:50

1 stop25h 30m

R18 529

Cape TownSeattle

CPT - SEA

CPTSEA

Cape Town Intl

Wed 6/8

16:35-10:35

1 stop27h 00m

Seattle/Tacoma Intl

Mon 25/8

19:10-11:50

1 stop31h 40m

R18 547

Cape TownSeattle

CPT - SEA

CPTSEA

Cape Town Intl

Thu 24/7

18:55-18:20

1 stop32h 25m

Seattle/Tacoma Intl

Thu 31/7

20:20-11:00

1 stop29h 40m

R22 621

Cape TownSeattle

CPT - SEA

CPTSEA

Cape Town Intl

Mon 30/6

19:50-18:58

2 stops32h 08m

Seattle/Tacoma Intl

Sat 30/8

23:54-15:20

2 stops54h 26m

R22 869

Cape TownSeattle

CPT - SEA

CPTSEA

Cape Town Intl

Mon 30/6

13:00-12:45

1 stop32h 45m

Seattle/Tacoma Intl

Sat 30/8

16:30-10:50

1 stop33h 20m

R24 977

Cape TownSeattle

CPT - SEA

CPTSEA

Cape Town Intl

Wed 6/8

10:40-8:45

2 stops31h 05m

Seattle/Tacoma Intl

Mon 25/8

7:00-9:25

3 stops41h 25m

R27 581

Cape TownSeattle

CPT - SEA

CPTSEA

Cape Town Intl

Thu 16/10

13:50-20:44

3 stops39h 54m

Seattle/Tacoma Intl

Thu 23/10

8:00-14:35

2 stops45h 35m

R29 990

Cape TownSeattle

CPT - SEA

CPTSEA

Cape Town Intl

Sun 20/7

13:00-12:45

1 stop32h 45m

R12 418

Cape TownSeattle

CPT - SEA

CPTSEA

Cape Town Intl

Sun 3/8

16:35-17:15

1 stop33h 40m

R13 852

Flights are sorted by cheapest return flights first.

Deals found on 9/6

Showing 1-10 of 13 results
1
2

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 return 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 return flight from Cape Town to Seattle. Price data was last updated on 9 June 2025.

The best time to book flights from Cape Town to Seattle is 33 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, February is the cheapest month in which you can book a flight from Cape Town to Seattle (average of R926). Flying from Cape Town to Seattle in June is currently the most expensive (average of R1 169). 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 11 June 2025.

When flying from Cape Town to Seattle, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 10% versus a flight in the evening.

What is the cheapest day to fly from Cape Town to Seattle?

Use this chart to determine the cheapest time to fly return from Cape Town to Seattle. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their Cape Town to Seattle flight should consider departing on Monday mornings when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 18.0 - 168.0 inches per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit Seattle when rainfall is around 18.0 mm.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

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 11 June 2025.
Singapore Airlines
8,1
Very Good
1 302 reviews
Check prices

Overall

8,1

Crew

8,6

Boarding

8,2

Food

7,7

Comfort

7,9

Entertainment

8,0

Reviews

1 / 20
8,0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Singapore Airlines
8,1
Very Good
1 302 reviews
Singapore Airlines
8,1
Very Good
1 302 reviews
Check prices

Overall

8,1

Crew

8,6

Boarding

8,2

Food

7,7

Comfort

7,9

Entertainment

8,0

Reviews

1 / 20
8,0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Delta
8,0
Very Good
7 946 reviews
Singapore Airlines
8,1
Very Good
1 302 reviews
Check prices

Overall

8,1

Crew

8,6

Boarding

8,2

Food

7,7

Comfort

7,9

Entertainment

8,0

Reviews

1 / 20
8,0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Qatar Airways
7,4
Good
3 584 reviews
Singapore Airlines
8,1
Very Good
1 302 reviews
Check prices

Overall

8,1

Crew

8,6

Boarding

8,2

Food

7,7

Comfort

7,9

Entertainment

8,0

Reviews

1 / 20
8,0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
United Airlines
7,4
Good
8 784 reviews
Singapore Airlines
8,1
Very Good
1 302 reviews
Check prices

Overall

8,1

Crew

8,6

Boarding

8,2

Food

7,7

Comfort

7,9

Entertainment

8,0

Reviews

1 / 20
8,0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Turkish Airlines
7,3
Good
3 848 reviews
Singapore Airlines
8,1
Very Good
1 302 reviews
Check prices

Overall

8,1

Crew

8,6

Boarding

8,2

Food

7,7

Comfort

7,9

Entertainment

8,0

Reviews

1 / 20
8,0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.

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.

  • What are the cheapest airlines flying from Cape Town to Seattle round-trip?

    According to our current data, Delta (R18 529), Turkish Airlines (R18 547), and British Airways (R22 621) offers the cheapest pricing from Cape Town to Seattle. Delta is priced at 11% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Cape Town to Seattle one-way?

    One-way options have recently been found by users for as low as R12 418 on Qatar Airways. Other airlines that offer cheap prices include Turkish Airlines from R13 852 and Singapore Airlines from R13 906 one-way.

  • 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 holiday 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, February is the cheapest month in which you can book a flight from Cape Town to Seattle (average of R926). Flying from Cape Town to Seattle in June is currently the most expensive (average of R1 169). 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

Travelling to a place near Cape Town?

Book flights to Cape Town if you plan to visit one of these locations
SeaTac

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Fly from Cape Town to Seattle on these airlines

Choose from the following airlines for your flight from Cape Town to Seattle. Flights are based on user searches made on Cheapflights and were last updated on 11 June 2025.
United Airlines flights from Cape Town Intl to Seattle/Tacoma Intl
British Airways flights from Cape Town Intl to Seattle/Tacoma Intl
Qatar Airways flights from Cape Town Intl to Seattle/Tacoma Intl
Virgin Atlantic flights from Cape Town Intl to Seattle/Tacoma Intl

Top 9 airlines flying from Cape Town to Seattle

Discover the top 9 airlines 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 594 507 searches. Data last updated 11 June 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestR16 210AverageR20 517FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
KLMCheapestR16 710AverageR20 748FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air FranceCheapestR16 805AverageR18 131FlexibilityNo cancel feeOn-time77%
Search Air France flights
Virgin AtlanticCheapestR17 077AverageR17 916FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Turkish AirlinesCheapestR18 595AverageR20 012FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
British AirwaysCheapestR19 330AverageR20 725FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Qatar AirwaysCheapestR19 342AverageR23 461FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
EmiratesCheapestR19 805AverageR24 053FlexibilityNo cancel feeOn-time75%
Search Emirates flights
Singapore AirlinesCheapestR19 806AverageR24 223FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Cape Town to Seattle?

Cheapflights helps you search for flights from Cape Town to Seattle via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Cape Town to Seattle?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Seattle from Cape Town.

Can Cheapflights find flights from Cape Town to Seattle with no change fees?

Yes! Cheapflights helps users easily find flights from Cape Town to Seattle with no change fees.

Can Cheapflights notify me if prices for flights from Cape Town to Seattle become cheaper?

Not ready to book yet? You can track prices for flights from Cape Town to Seattle on Cheapflights with our Price Alert feature and get notified when better prices are available.

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