The cheapest times to fly from SEA to WTB are

  • January 29th to April 1st
  • April 16th to May 6th
  • July 30th to September 9th
  • September 24th to November 18th (except the week of October 8th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from SEA to WTB is early November. Prices can be as high as $3801 for Friday flights during late December, or as low as $1702 for Wednesday flights around early November.


When to Fly to Toowoomba

Flying from Seattle, WA (SEA) to Toowoomba (WTB) will usually cost between $1775 to $3114 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early November with an average ticket price of $1782. Due to high demand the most expensive time to fly is late December, with an average price of $3448. Planning your trip to low-cost times can easily save you $1666 on economy flights and even more on first-class flights. Generally, any price below $1985 can be considered a good price for a round-trip SEA to WTB flight.

See below for a graph of average weekly prices for the SEA to WTB route. All prices are for round-trip tickets in USD.

SEA to WTB Flight Prices

Compared to other flights, the SEA to WTB flight is more expensive than the average and costs more than the average flight leaving from Seattle. The average price per mile (for a direct flight) is $0.17, which is below average.


Flight Prices by Day of the Week

Wednesday is usually the cheapest day to depart and return on this flight. Fridays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $323 (14%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Wednesday and returning a week later will cost an average of $1988. Return trip prices are from the WTB to SEA flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from SEA to WTB can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 14 hour 20 minutes may not be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from SEA to WTB while comparing.

Destination alternative #1: Brisbane International Airport (BNE) in Brisbane

  • 82 miles (132 km) away from WTB
  • Usually 41.57% less expensive than WTB
  • 1-layover flights available

See SEA to BNE flights

Destination alternative #2: Gold Coast Airport (OOL) in Gold Coast

  • 113 miles (182 km) away from WTB
  • Usually 25.65% less expensive than WTB
  • 1-layover flights available

See SEA to OOL flights

Destination alternative #3: Sunshine Coast Airport (MCY) in Maroochydore

  • 104 miles (167 km) away from WTB
  • Usually 15.82% less expensive than WTB
  • 2-layover flights available

See SEA to MCY flights


Flight Hacking SEA to WTB

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from SEA to WTB — but Champion Traveler does!

Hack #1: Sydney (SEA > SYD > WTB)

  • Price for both tickets: $1421
  • Average savings: $564 (28.41%)

See SEA to SYD flights

Hack #2: Melbourne (SEA > MEL > WTB)

  • Price for both tickets: $1513
  • Average savings: $472 (23.76%)

See SEA to MEL flights

Hack #3: Brisbane (SEA > BNE > WTB)

  • Price for both tickets: $1595
  • Average savings: $390 (19.65%)

See SEA to BNE flights


Flight Questions Answered

Still have questions about flying from SEA to WTB? We’ve got answers.

Which airlines fly this route?

You can find 8 major airlines flying this route most often: Air New Zealand, Alaska, American, Delta, Fiji Airways, Hawaiian, Qantas, United, and potentially more during busy seasons.

How far away is it from Toowoomba Wellcamp Airport to Seattle/Tacoma International Airport?

The distance between the two airports is roughly 7415 miles or 11933 kilometers.

How long does it take to fly from SEA to WTB?

The real-world flight time for a nonstop SEA to WTB flight is about 14 hour 20 minutes.

How many flights go between Seattle, WA and Toowoomba?

It depends on the day of the week and the date, but a typical day might have around 9 available flights from SEA to WTB.


Airport Location Info


Departing Airport

Origination code SEA
Origination airport name Seattle/Tacoma International Airport
City Seattle, WA
Country the United States
Latitude 47.5
Longitude -122.3

Return Airport

Destination code WTB
Destination airport name Toowoomba Wellcamp Airport
City Toowoomba
Country Australia
Latitude -27.6
Longitude 151.8


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.