$259 Cheap Flights to Portland West

View $259 flight on Wed, Sep 10, 2025Opens in a new window

Popular airlines to Portland West

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How much is the cheapest flight to Portland West?

Prices were available within the past 7 days and start at $259 for one-way flights and $499 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Qantas Airways
Sun, Dec 21 - Mon, Jan 5
MEL
Melbourne
MGB
Mount Gambier
$499 Roundtrip, found 3 days ago
$499
Roundtrip
found 3 days ago
Select Qantas Airways flight, departing Sun, Dec 21 from Melbourne to Mount Gambier, returning Mon, Jan 5, priced at $499 found 3 days ago
Qantas Airways
Mon, Dec 29 - Sun, Jan 11
MEL
Melbourne
MGB
Mount Gambier
$503 Roundtrip, found 3 days ago
$503
Roundtrip
found 3 days ago
Select Qantas Airways flight, departing Mon, Dec 29 from Melbourne to Mount Gambier, returning Sun, Jan 11, priced at $503 found 3 days ago
Jetstar
Sun, Nov 16 - Thu, Dec 4
MEL
Melbourne
MGB
Mount Gambier
$518 Roundtrip, found 3 days ago
$518
Roundtrip
found 3 days ago
Select Jetstar flight, departing Sun, Nov 16 from Melbourne to Mount Gambier, returning Thu, Dec 4, priced at $518 found 3 days ago
Qantas Airways
Mon, Dec 29 - Thu, Jan 15
MEL
Melbourne
MGB
Mount Gambier
$524 Roundtrip, found 3 days ago
$524
Roundtrip
found 3 days ago
Select Qantas Airways flight, departing Mon, Dec 29 from Melbourne to Mount Gambier, returning Thu, Jan 15, priced at $524 found 3 days ago
Jetstar
Wed, Nov 26 - Thu, Dec 4
MEL
Melbourne
MGB
Mount Gambier
$527 Roundtrip, found 3 days ago
$527
Roundtrip
found 3 days ago
Select Jetstar flight, departing Wed, Nov 26 from Melbourne to Mount Gambier, returning Thu, Dec 4, priced at $527 found 3 days ago

Tips to find the cheapest flights to Portland West

The cheapest day to fly

Get started finding a cheap flight to Portland West on Expedia by either choosing a deal on this page or entering into the search bar your travel dates, origin airport, and whether you want roundtrip or one-way airfare. You can filter for flexibility, number of stops, airline, and departure/arrival times to find the best flight for you.

The cheapest month to fly

December is the cheapest month to fly to Portland West. This coincides with the low season when fewer people travel. Whichever month you travel in, though, be sure to book at least a month in advance if you want to score cheap tickets to Portland West. ARC's data shows that domestic flights booked 28 days or more before departure are typically 24% cheaper than those booked last minute.

The most affordable time to book a flight

Typically, a Sunday can be the cheapest time to book a flight to Portland West, according to ARC’s data. On average, you could save between 6% and 13% by booking on a Sunday instead of a Friday, which is the most expensive day to make a reservation.

The cheapest round-trip tickets to Portland West

The lowest price for round-trip flights to Portland West in 2025 starts from from $499, while one-way tickets start from from $259. Expedia's effective search tool is one of the best ways to find a budget airfare. Simply enter your dates, and within seconds, it'll show you a vast selection of the cheapest flights to Portland West. If you have a preferred departure time or airline, you can use the handy filters to customize your search.

The cheapest airlines flying to Portland West

Qantas Airways, Jetstar are just some of the airlines that can typically offer cheap tickets to Portland West. You can find their most affordable flights by using the “airline” search filter and then sorting prices from low to high. As a trusted partner of the world's leading airlines, Expedia offers you some of the best airfare deals to Portland West and countless more destinations worldwide.

The most affordable airports to fly into

To view the cheapest airports to fly into for Portland West, simply order your search results from lowest to highest price. Expedia's search tool compares flight prices for all airports close to your destination, so you don't have to manually search them one by one to find the cheapest flight to Portland West. If you have a preferred place to fly into, take advantage of the “arrival airport” filter to narrow down your search on Expedia.

Save with a package

With Expedia's amazing package deals, you could save hundreds of dollars by booking your Portland West plane tickets together with your accommodations, car rental, or activities. Just select the search wizard's “package” option to view some of the cheapest deals. Look out for the green savings label to see how much you're saving.

Date flexibility for the cheapest flights to Portland West

If you can be flexible with your travel dates, it's a good idea to broaden your search by comparing prices on different days. This will open up more options, meaning you could uncover a less expensive flight to Portland West.

Stopover savings

The cheapest tickets to Portland West are sometimes those with a stopover. Book one of these flights, and you'll change planes at an airport en route to Portland West. While the overall travel time might be longer than a non-stop flight, you may decide it's worth it for the money saved.

Get Expedia's Price Drop Protection

Price Drop Protection means that if your flight gets cheaper after booking, you'll be credited the difference*. This gives you peace of mind that you're getting one of the cheapest flights to Portland West for your chosen departure. Expedia's Price Drop Protection is available for a small fee but is free to One Key Gold and Platinum tier members.

*Terms apply.

Use our Price Tracking feature

Expedia's Price Tracking feature is another great tool that removes the guesswork from finding cheap flights to Portland West. Simply download the free Expedia app to your smart device and activate Portland West flight price alerts for your travel dates. There's even a price predictor tool that uses historical data to indicate the best time to book, giving you peace of mind that you'll nab the lowest prices.

Book with Expedia

As well as Price Drop Protection and Price Tracking, Expedia's close partnership with a vast selection of the world's leading airlines means you're sure to find cheap flights to Portland West. Plus, the One Key rewards program lets you earn real cash rewards on most bookings that you can use to save money on future trips. Best of all, it's free to join, and members often unlock exclusive discounts, too.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

What month is the cheapest to fly to Portland West?
The cheapest month to fly to Portland West is December when demand is low. Off-peak months are often when you'll find cheap fares. To save money, steer clear of flying during major holidays and school breaks.
Which US cities fly direct to Portland West?
You can fly to Portland West without a layover from US cities like Los Angeles and San Francisco. Simply select "Direct flights only" when browsing flights to Portland West on Expedia. Then, compare the available options and pick the most convenient departure for your break.
How to find a cheap flight to Portland West?
If you're looking for cheap flights to Portland West, consider traveling outside of peak season. Booking as far in advance as possible is also likely to help you score savings. Or, fly on a different day — flights on a Thursday are on average 16% cheaper than Sunday departures.* Opt to receive flight price alerts on the Expedia app and get notified as soon as fares fall.*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
How to get a cheap last-minute flight to Portland West?
You can find cheap deals on last-minute departures to Portland West, especially if your travel plans are flexible. Consider flying from a different airport, tweaking your trip dates or choosing an alternative airline to get a cheap flight to Portland West.
How far in advance should I book a flight to Portland West?
Secure your flight to Portland West two to four months ahead if you're jetting in from an international destination. For domestic travel, the timeframe is around 28 days in advance. Cheaper tickets and a wider variety of travel dates, schedules and seating options are just some of the perks of booking early.**Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
Which day of the week is the cheapest day to buy a plane ticket to Portland West?
You can save an average of 8% if you purchase tickets on a Sunday instead of Fridays, which tend to be the priciest day to book.* When it comes to scoring a cheap flight to Portland West, the key is good timing.*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
Which airlines fly to Portland West?
Figure out your travel dates and then make your way to Portland West with one of these top airlines:

  • Qantas - 52 flights to Portland West each month, including 52 flights to Tullamarine Airport (MEL) per month.
  • United Airlines - 43 flights to Portland West each month, including 43 flights to Tullamarine Airport (MEL) per month.
  • Jetstar - 8 flights to Portland West each month, including 8 flights to Tullamarine Airport (MEL) per month.

Can I save money by booking a Portland West trip package?
It's possible to save hundreds of dollars if you secure a Portland West flight and hotel package deal on Expedia. And you'll save yourself hassle by having all your travel arrangements in the same place. Try bundling your hotel and flight with extras like activities and car rentals for your own personalized Portland West vacation.
Can I change or cancel my flight to Portland West?
It's usually possible to cancel or change your flight to Portland West. Many airlines let you cancel your flights for free within 24 hours of booking. However, some flights are non-refundable, and airlines may issue you a credit toward future flights in place of a direct refund. To get cheap flights to Portland West with flexible change policies, pick "No cancel fee" or "Changes included" when you search. Looking for more information? Head to our Customer Service Portal.
Flights to Portland West information
Destination airport
Mount Gambier
Destination airport IATA code
MGB
Destination city name
Mount Gambier
Roundtrip price
$498

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*Available to One Key members.