Cheap Flights from Perth (PER) to Baltimore Washington International (BWI)

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Find the cheapest month or even day of the year to fly to Baltimore Washington International

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Flight deals from Perth Airport to Baltimore Washington International Airport

Looking for a cheap last-minute deal or the best return flight from Perth Airport to Baltimore Washington International Airport? If you want to travel next month, return fares start from £1,161. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Perth to Baltimore Washington International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Perth to Baltimore Washington International flights are currently cheapest in November.

Perth to Washington D.C.: Flight information

The things to know before you go.
Cheapest flight found£1,128
Cheapest month to flyNovember

Finding cheap flights from Perth to Baltimore Washington International: Frequently asked questions

The best price we found for a return flight from Perth to Baltimore Washington International is £1,128. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Perth to Baltimore Washington International. But we found flights with one or more stops from £1,128.
As of March 2026, there are no flights flying from Perth to Baltimore Washington International.
The cheapest month to fly from Perth to Baltimore Washington International is usually November.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Perth Airport to Baltimore Washington International Airport on Sunday, 1 November 2026.
No airlines currently offer direct flights between Perth Airport and Baltimore Washington International Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Baltimore Washington International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Washington D.C. is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Scoot offers the cheapest flight tickets to Baltimore Washington International.

Flying from Perth Airport (PER) to Baltimore/Wash International Thurgood Marshall Airport (BWI): what you need to know

  • Washington DC is 12 hours behind Perth and follows the UTC-4 timezone.

  • Your PER to BWI flight won't wait if you're late, so be at the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're travelling internationally.

  • During popular months such as July, you'll want to get to the airport earlier than normal. Arrive two hours before a domestic departure and four hours ahead of international flights when you travel during a high season in general.

  • Break up your flight or explore another city along the way with a stopover. Just uncheck 'Direct flights only' to see your options when searching for tickets from Perth Airport to Baltimore/Wash International Thurgood Marshall Airport. Many travellers pass through London Heathrow Airport on this route.

How to find the cheapest flights from Perth Airport (PER) to Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • £469 is currently the best price for a one-way Perth Airport to Baltimore/Wash International Thurgood Marshall Airport flight. Return flights start at £1,128. These prices may change depending on availability and demand.

  • It's often best to book early if you're hoping to get cheap tickets from PER to BWI. That's because flight prices are based on demand, which tends to rise closer to the date of departure.

  • If you can be flexible with your trip dates, use the 'Whole month' tool. It'll give you the cheapest price in each month when looking for your flight from Perth Airport to Baltimore/Wash International Thurgood Marshall Airport.

  • You don't need to check every day to find out if fares have gone down when you create a Price Alert. We'll notify you the moment the price changes on cheap flights from PER to BWI.

  • Tailor your flights with filters. Choose your departure and arrival times, airlines and total journey duration. You can also sort your results by 'Best,' 'Fastest' or 'Cheapest' flights from Perth Airport to Baltimore/Wash International Thurgood Marshall Airport.

Handy information about Perth Airport (PER)

  • When it comes to the on-time performance of Perth Airport, data shows 73.04% of flights arrive within the expected timeframe.

  • Central Perth to Perth Airport is around 10 miles. Depending on traffic, it'll take about 20 minutes to get there if you're driving, catching a cab or ride-sharing.

  • Catching public transport? Expect a journey time of around 30 minutes.

  • Need a handy hotel close to PER? If you're catching an early flight from Perth Airport to Baltimore/Wash International Thurgood Marshall Airport, these stays will have you sleeping moments from check-in:

Arriving at Baltimore/Wash International Thurgood Marshall Airport (BWI)

Getting from Baltimore/Wash International Thurgood Marshall Airport (BWI) to central Washington DC

  • Baltimore/Wash International Thurgood Marshall Airport is roughly 30 miles from central Washington DC. The drive time takes about 50 minutes.

  • When travelling on public transport, expect a journey time of around 1 hour 30 minutes.

When to fly to Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • The quietest month for a flight from Perth Airport to Baltimore/Wash International Thurgood Marshall Airport is May, while July is the busiest. Pick the best time to go to Washington DC based on whether you prefer a more fast-paced or easygoing experience.

  • The warmest month in Washington DC is July, with the temperature ranging between 19ºC (66ºF) and 33ºC (91ºF). Book your flights from Perth Airport to Baltimore/Wash International Thurgood Marshall Airport in this month if this is the type of weather you enjoy.

  • If you'd rather travel in cooler conditions, look for a cheap ticket from PER to BWI in January. Temperatures average between -6ºC (21ºF) and 10ºC (50ºF) then.

Explore more of United States

  • New York is just one of the many places in United States waiting to be discovered once you've seen Washington DC. Around 200 miles away to the north-east, its best attractions include Statue of Liberty, Central Park and Empire State Building.

  • Around 120 miles north-east of Washington DC, Philadelphia is another essential stop in United States. No visit is complete without checking out Liberty Bell, Independence Hall and Philadelphia Museum of Art.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.