Cheap flights from Washington Dulles to Osaka

Compare Washington Dulles to Osaka flight deals

Find the cheapest month or even day of the year to fly to Osaka

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Flight deals from Washington Dulles to Osaka

Looking for a cheap last-minute deal or the best return flight from Washington Dulles Airport to Osaka? If you want to travel next month, return fares start from $1,331. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Washington Dulles to Osaka

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

Alternative Washington Dulles to Osaka routes

Looking for the cheapest, fastest or easiest route from Washington Dulles to Osaka? You could fly into the following airports instead.

Washington D.C. to Osaka: Flight information

The things to know before you go.
Cheapest flight found$488
Cheapest month to flyAugust

Finding cheap flights from Washington Dulles to Osaka: Frequently asked questions

There are 3 airports in Osaka: Itami Domestic (Osaka), Kobe and Kansai International (Osaka).
The best price we found for a return flight from Washington Dulles to Osaka is $1,106. 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 Washington Dulles to Osaka. But we found flights with one or more stops from $1,106.
As of July 2026, there are no flights flying from Washington Dulles to Osaka.
The cheapest month to fly from Washington Dulles to Osaka is usually August.
If you're flying from Washington Dulles Airport, the cheapest airport near Osaka is Itami Domestic (Osaka) – which is 11.2 km away from the centre of Osaka. We've found flights into this airport from $1,106.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Washington Dulles Airport to Osaka on Thursday, 13 August 2026.
No airlines currently offer direct flights between Washington Dulles Airport and Osaka. 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 Osaka 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 Osaka is around 40 days in advance, so don’t leave your flight to the last minute.

In July, the average temperature is usually around 25°C. August is typically the warmest month in Osaka, when it usually averages around 30°C. You can expect the least rain in December. The coldest month is January, with temperatures averaging 0°C. The rainiest month is June.
Currently, Frontier Airlines offers the cheapest flight tickets to Osaka.

Flying from Washington Dulles International Airport (IAD) to Osaka: what you need to know

  • The timezone in Osaka is UTC+9. The city is 14 hours ahead of Washington DC, where Washington Dulles International Airport is located.

  • For a stress-free journey, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This leaves you with plenty of time to catch your IAD to Osaka flight.

  • Be prepared for longer lines in popular months such as June. Arriving up to four hours ahead of an international flight and two hours for domestic departures will give you plenty of time for security and boarding.

  • Think about adding a stopover to potentially land a cheaper plane ticket from IAD to Osaka. Simply uncheck 'Direct flights only' during your search. Take a detour (and maybe pocket some savings) by stopping at one of these airports:

    • Tokyo Haneda International Airport (HND)

    • San Francisco International Airport (SFO)

    • Seoul Incheon International Airport (ICN)

  • IAD is about 40 kilometres from central Washington DC. If you're ride-sharing, catching a taxi or driving from the centre, it'll take 45 minutes or so to get there, depending on traffic conditions. If you're taking public transport, expect the trip time to be around 1 hour 10 minutes.

  • In search of a hotel close to IAD? If you've booked an early flight from Washington Dulles International Airport to Osaka, these accommodation options set you up for a seamless send-off:

  • When it comes to Washington Dulles International Airport's on-time performance, 77% of flights arrive within the scheduled time frame.

  • The address for IAD is 1 Saarinen Circle.

How to find the cheapest flights from Washington Dulles International Airport (IAD) to Osaka

  • $488 is the lowest price we've seen for a one-way Washington Dulles International Airport to Osaka flight. A round-trip ticket right now is $1,106. Depending on how early you book and the availability, these fares could change.

  • To find cheap flights from IAD to Osaka, book as early as you can. Airlines tend to offer the most competitive fares when flights are first released.

  • The 'Whole month' tool will show you the cheapest tickets from Washington Dulles International Airport to Osaka across the month. It's a good way to snap up a bargain if your trip dates are flexible.

  • Cut down on the time spent looking for cheap flights from IAD to Osaka by creating a Price Alert. You'll get an email or notification through the app when a lower fare becomes available.

  • Save money on your flight from Washington Dulles International Airport to Osaka with the help of our filters. Select your preferred duration, number of stops and airlines, then sort the results by 'Cheapest' for the best deals.

Airports in Osaka

Kansai International Airport (KIX)

  • Kansai International Airport (KIX) is around 48 kilometres from central Osaka. If you're getting a taxi or a ride-share, the drive takes roughly 50 minutes.

  • When travelling by public transport, expect a journey time of around 45 minutes.

  • The last thing you want is a lengthy journey to your hotel if you're getting in late on a flight from Washington Dulles International Airport to Osaka. Check in to one of these accommodation options near KIX instead:

  • To lock in the lowest rate, reserve your vehicle from Kansai International Airport at least a couple of weeks ahead of your flight from IAD to Osaka. Prices generally rise closer to your day of departure.

  • KIX is located at 1 Senshukukokita, Izumisano.

Osaka Itami International Airport (ITM)

  • Osaka Itami International Airport (ITM) is roughly 18 kilometres from central Osaka. Once you've hopped off your flight from Washington Dulles International Airport to Osaka, it'll take you around 30 minutes to reach the heart of the city in a taxi or ride-share.

  • If you choose to travel on public transport, you'll reach the centre in 35 minutes or so.

  • There are some great places to call home for the night near ITM. Kick back and get cosy after your IAD to Osaka flight at one of these perfectly located options:

  • Avoid the long lines and paperwork at the rental desk by completing your booking beforehand. Reserve your ride from ITM ahead of time so you can simply grab the keys and go.

  • You can find Osaka Itami International Airport at 3丁目555 Nishimachi, Hotarugaike, Toyonaka.

Kobe Airport (UKB)

  • Hop off your flight from Washington Dulles International Airport to Osaka and head for your hotel or start taking in the sights right away. The centre of Osaka is around 32 kilometres from Kobe Airport (UKB) and usually takes 40 minutes to drive there.

  • The journey will take you about 50 minutes by public transport.

  • If you don't want to make the journey into the centre, choose a hotel close to UKB. Get comfortable at one of these stays after your IAD to Osaka flight:

  • Rental providers sometimes offer discounts for early bookings, so book your vehicle from UKB a few weeks in advance of your flight from Washington Dulles International Airport to Osaka. A little prep work can make a big difference in cost.

  • Kobe Airport is located at 1 Kobekuko, Chuo Ward.

Best time to go to Osaka

  • It's time to pick your dates for your flight from Washington Dulles International Airport to Osaka. April is the busiest month to travel to Osaka. If you want a quieter atmosphere, go in December.

  • The warmest month in Osaka is August, with temperatures ranging between 21ºC (70ºF) and 34ºC (93ºF). Lock in your Washington Dulles International Airport to Osaka plane ticket then if you enjoy this type of weather.

  • January sees average temperatures of between 0ºC (32ºF) and 10ºC (50ºF). Search for a cheap ticket from IAD to Osaka around that time if you want to travel in cooler conditions.

More about Osaka

Explore more of Japan

  • You've seen Osaka, now it's time to discover more of Japan. Travel about 402 kilometres east to Tokyo to check off its popular sights. From Tokyo Skytree to Sensho-ji and Ginza Central Street, there's plenty to keep you on the go.

  • Nagoya is another standout destination in Japan and is around 137 kilometres northeast of Osaka. No journey is complete without seeing Nagoya Castle, Ninomaru Garden and Sky Promenade.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.