R1 711+ Cheap flights from Seattle

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/4. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SEA — JNB
Mar 27 — Apr 31
1 adult
1 adult, Economy, 0 bags

What to know about flights from Seattle

Discover essential information about flights departing from Seattle, including flight schedules, destinations, airlines operating at the Seattle airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 25 February 2026.

Good round-trip deal

R2 104 or less

Good one-way deal

R1 820 or less
Price to beat on a round-trip flight from Seattle/Tacoma Intl.
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Price to beat on a one-way flight from Seattle/Tacoma Intl.
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Find flights from Seattle

Enter your travel dates to find the best prices.

Cheapest flights from Seattle
Explore the most affordable flight options available from Seattle. Find the lowest fares based on data from user searches, with prices last updated on 25 February 2026.

Tue 7/419:10
SEA
-
JNB
1 stop30h 20m
Turkish Airlines
Tue 28/417:50
JNB
-
SEA
1 stop32h 25m
Turkish Airlines
Deal found 22/2R16 435
Sun 26/419:10
SEA
-
JNB
1 stop30h 20m
Turkish Airlines
Thu 30/417:50
JNB
-
SEA
1 stop32h 25m
Turkish Airlines
Deal found 21/2R17 011
Fri 24/419:10
SEA
-
JNB
1 stop30h 20m
Turkish Airlines
Fri 1/518:00
JNB
-
SEA
1 stop32h 15m
Turkish Airlines
Deal found 24/2R17 027
Wed 22/419:10
SEA
-
JNB
1 stop30h 20m
Turkish Airlines
Tue 28/417:50
JNB
-
SEA
1 stop32h 25m
Turkish Airlines
Deal found 24/2R17 283
Mon 9/320:00
SEA
-
JNB
1 stop29h 50m
Turkish Airlines
Thu 12/319:10
JNB
-
SEA
1 stop31h 55m
Turkish Airlines
Deal found 23/2R17 331
Wed 8/419:10
SEA
-
JNB
1 stop30h 20m
Turkish Airlines
Wed 15/418:00
JNB
-
SEA
1 stop32h 15m
Turkish Airlines
Deal found 22/2R17 491
Tue 7/419:10
SEA
-
JNB
1 stop30h 20m
Turkish Airlines
Mon 20/418:00
JNB
-
SEA
1 stop32h 15m
Turkish Airlines
Deal found 21/2R17 635
Mon 13/419:10
SEA
-
JNB
1 stop30h 20m
Turkish Airlines
Wed 15/418:00
JNB
-
SEA
1 stop32h 15m
Turkish Airlines
Deal found 22/2R17 714
Sat 11/419:10
SEA
-
JNB
1 stop30h 20m
Turkish Airlines
Sun 26/418:00
JNB
-
SEA
1 stop32h 15m
Turkish Airlines
Deal found 24/2R17 922
Mon 25/519:10
SEA
-
JNB
1 stop30h 20m
Turkish Airlines
Tue 2/617:50
JNB
-
SEA
1 stop32h 25m
Turkish Airlines
Deal found 24/2R17 986
Sat 9/519:10
SEA
-
JNB
1 stop30h 20m
Turkish Airlines
Mon 25/518:00
JNB
-
SEA
1 stop32h 15m
Turkish Airlines
Deal found 23/2R18 242
Wed 1/419:10
SEA
-
JNB
1 stop30h 20m
Turkish Airlines
Mon 20/418:00
JNB
-
SEA
1 stop32h 15m
Turkish Airlines
Deal found 21/2R18 322

Find flights from Seattle within your budget

 
Find flights departing from Seattle that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 25 February 2026. In the last 7 days, Cheapflights users made a total of 594 507 searches

Fly to

OR Tambo

Route

Depart

Return

Price

SeattleJohannesburg

SEA - JNB

SEAJNB

Seattle/Tacoma Intl

Mon 13/4

19:10-10:30

1 stop30h 20m

Johannesburg OR Tambo

Fri 15/5

18:00-17:15

1 stop32h 15m

R18 738

SeattleJohannesburg

SEA - JNB

SEAJNB

Seattle/Tacoma Intl

Sun 5/4

19:10-10:30

1 stop30h 20m

Johannesburg OR Tambo

Thu 30/4

17:50-17:15

1 stop32h 25m

R18 738

SeattleJohannesburg

SEA - JNB

SEAJNB

Seattle/Tacoma Intl

Sat 7/3

19:00-10:50

1 stop29h 50m

Johannesburg OR Tambo

Tue 10/3

19:10-18:05

1 stop31h 55m

R19 361

SeattleJohannesburg

SEA - JNB

SEAJNB

Seattle/Tacoma Intl

Tue 17/3

8:25-22:05

2 stops28h 40m

Johannesburg OR Tambo

Wed 25/3

19:20-16:47

2 stops30h 27m

R20 880

SeattleCape Town

SEA - CPT

SEACPT

Seattle/Tacoma Intl

Sun 19/4

17:40-8:05

1 stop29h 25m

Cape Town Intl

Sun 26/4

9:00-16:10

2 stops40h 10m

R21 743

SeattleJohannesburg

SEA - JNB

SEAJNB

Seattle/Tacoma Intl

Sun 15/3

23:59-22:05

2 stops37h 06m

Johannesburg OR Tambo

Sun 22/3

22:00-22:22

2 stops33h 22m

R21 919

SeattleJohannesburg

SEA - JNB

SEAJNB

Seattle/Tacoma Intl

Thu 19/3

7:30-22:05

2 stops29h 35m

Johannesburg OR Tambo

Thu 26/3

21:30-22:10

2 stops33h 40m

R21 919

SeattleJohannesburg

SEA - JNB

SEAJNB

Seattle/Tacoma Intl

Tue 7/4

12:08-18:30

1 stop21h 22m

Johannesburg OR Tambo

Wed 29/4

22:00-20:53

2 stops31h 53m

R22 191

SeattleJohannesburg

SEA - JNB

SEAJNB

Seattle/Tacoma Intl

Sun 12/4

9:00-19:40

2 stops25h 40m

Johannesburg OR Tambo

Sun 10/5

21:55-20:06

1 stop31h 11m

R22 191

SeattleJohannesburg

SEA - JNB

SEAJNB

Seattle/Tacoma Intl

Thu 2/4

13:45-21:20

1 stop22h 35m

Johannesburg OR Tambo

Mon 13/4

23:15-11:45

1 stop45h 30m

R22 319

Flights are sorted by cheapest return flights first.

Deals found on 23/2

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Best time to book a flight from Seattle

Have a flexible travel schedule? Discover the best time to fly from Seattle 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.

Travel insights for flights from Seattle

Get recent, data-driven insights about flights from Seattle including ideal travel times, pricing trends, and more.

When is the best time to book a flight from Seattle?

Use this chart to determine the optimal time to book a return flight from Seattle to OR Tambo. Price data was last updated on 20 February 2026.

Booking 6 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, April is the cheapest month in which you can book a flight from Seattle (average of R9 481). Flying from Seattle in December will prove the most costly (average of R21 248). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

What are popular destinations to fly to from Seattle?

From Seattle you can expect to find greater availability for the following destinations: Los Angeles (672 flights per day), San Francisco (484 flights per day) and Anchorage (417 flights per day).

Spokane
Spokane
From R3 886
San Francisco
San Francisco
From R3 054

What is the cheapest place to fly to from Seattle?

The cheapest city to fly to from Seattle is Portland, with prices starting at R1 818. Explore other affordable destinations below.

Portland
Portland
From R1 818
Oakland
Oakland
From R1 969

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Related info for your journey

Access useful and relevant information related to your journey from Seattle. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 25 February 2026.

  • What are the most popular destinations to fly to from Seattle?

    The most selected flight destinations from Seattle for the current month are Bangkok Suvarnabhumi Airport, Atlanta, Austin. While Boston, Bangkok Suvarnabhumi Airport, Mumbai are the top choices made by travellers year-round.

  • What is the cheapest flight from Seattle to anywhere?

    Users have flown out of Seattle for as low as R1 818 to Portland (prices may vary depending on the airline and departure time). On average, users have booked flights for R7 274 to fly from Seattle.

  • What is the cheapest premium economy flight from Seattle?

    Premium economy can provide you with benefits such as more leg room and ideal seating locations without the price tag of a business class flight. Some of the cheapest premium economy flight options from Seattle are below:
    Seattle/Tacoma Intl to Dallas/Fort Worth Airport from R7 507
    Seattle/Tacoma Intl to London Heathrow Airport from R41 829

  • What is the cheapest first class flight from Seattle?

    If you’re looking to fly first-class from Seattle to anywhere, put Houston on your list as prices start at R17 698 for this destination.

  • What is the cheapest month to fly from Seattle?

    April is currently the cheapest month to fly from Seattle. At this moment in time December is the most expensive month. These prices are determined by multiple factors and booking in advance can help keep costs down if your schedule is not as flexible.

  • How does Cheapflights help users find flights from Seattle?

    900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight from Seattle today with Cheapflights!

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

    Cheapflights helps you find that perfect flight from Seattle by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

  • Can Cheapflights find flights from Seattle with no change fees?

    Cheapflights does show flights with no change fees to all users. To see these options for flights from Seattle, users can toggle the no change fees filter when performing a flight search.

  • Can Cheapflights notify me if prices for flights from Seattle become cheaper?

    Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and use a valid email address to enable the Price Alerts feature. That’s it!

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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 Seattle?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight from Seattle today with Cheapflights!

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

Cheapflights helps you find that perfect flight from Seattle by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Seattle with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Seattle, users can toggle the no change fees filter when performing a flight search.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and use a valid email address to enable the Price Alerts feature. That’s it!

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