What are the cheapest airlines to fly from District of Columbia to Osaka one-way?

The cheapest airline one-way is Cathay Pacific, with whom users have recently found tickets for as low as $596. However, be on the lookout for offers from Asiana Airlines and China Airlines, as they are both options that can get you from District of Columbia to Osaka for a low price.

What is the cheapest month to book a flight from District of Columbia to Osaka?

Currently, February is the cheapest month in which you can book a flight from District of Columbia to Osaka (average of $898). Flying from District of Columbia to Osaka in December is currently the most expensive (average of $1,350). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What are the most popular routes from District of Columbia to Osaka?

The most popular flight routes from District of Columbia to Osaka are Washington, D.C. Dulles Intl - Osaka Itami, Washington, D.C. Dulles Intl - Osaka Kansai Intl and Washington, D.C. Dulles Intl - Kobe.

What are the most popular airlines that fly from District of Columbia to Osaka?

Before booking your flight from District of Columbia to Osaka check out the most popular airlines for this route: Air Canada, ANA or United Airlines.

How far in advance should I book a flight from District of Columbia to Osaka?

To save up to 7% on this flight, we recommend booking at least 50 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from District of Columbia to Osaka from $1,013 1-2 weeks out and tickets from $1,264 for flights departing within the next 72 hours.

What is the cheapest month to fly from District of Columbia to Osaka?

January can be a great time to fly to Osaka from District of Columbia with a flight ticket averaging about $1,437. Cheapflights users have found deals in the month of January for as cheap as $935. The most expensive prices can be found in the month of December.

Can I find deals for flights from District of Columbia to Osaka that include hotel bookings?

Yes. In addition to deals on District of Columbia to Osaka flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from District of Columbia to Osaka?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from District of Columbia to Osaka.

Can I find deals for business class flights from District of Columbia to Osaka?

Yes. Cheapflights offers flight deals from District of Columbia to Osaka by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$470+ Flights from District of Columbia to Osaka

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Cheap flight deals from District of Columbia to Osaka

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$1,078 (Cathay Pacific)
One-way from	$470 (Kiwi.com)
Popular in	December
Cheapest in	January
Average price	$1,528

Provider with most accurate pricing for Washington, D.C. (WAS)-Osaka (OSA) flight deals.

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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Osaka (OSA) flights.

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From District of Columbia to Osaka (OSA)

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One-way flight from District of Columbia to Osaka (OSA)

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High demand for flights, 9% potential price rise

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Cheapest flight prices on average. 2% potential price decrease ($41 potential savings vs. average RT price).

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Average for round-trip flights in April 2025

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Find flight deals from District of Columbia to Osaka

Cheapest flights from District of Columbia to Osaka
Explore the most affordable flight options available from District of Columbia to Osaka. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.

Wed 4/307:00 amIAD - KIX

2 stops34h 40mMultiple Airlines

Sun 5/410:00 amKIX - IAD

2 stops43h 38mMultiple Airlines

Deal found 4/22

$1,077

Mon 5/125:38 pmIAD - KIX

2 stops30h 22mCathay Pacific

Tue 6/2410:00 amKIX - IAD

2 stops33h 50mCathay Pacific

Deal found 4/21

$1,203

Sun 9/218:25 amIAD - KIX

1 stop19h 00mAir Canada

Mon 9/296:05 pmKIX - IAD

2 stops39h 50mAir Canada

Deal found 4/23

$1,239

Wed 9/39:45 amIAD - ITM

2 stops20h 10mAir Canada

Wed 9/172:05 pmITM - IAD

2 stops20h 00mAir Canada

Deal found 4/22

$1,261

Mon 9/19:40 pmIAD - KIX

1 stop32h 20mTurkish Airlines

Tue 9/2310:25 pmKIX - IAD

1 stop26h 20mTurkish Airlines

Deal found 4/22

$1,295

Wed 7/2310:18 amDCA - KIX

2 stops31h 22mCathay Pacific

Thu 8/77:35 pmKIX - DCA

2 stops33h 49mCathay Pacific

Deal found 4/23

$1,348

Tue 6/34:35 pmDCA - KIX

3 stops31h 25mMultiple Airlines

Wed 6/186:35 pmKIX - DCA

3 stops30h 28mMultiple Airlines

Deal found 4/23

$1,437

Tue 7/16:00 amDCA - KIX

2 stops21h 25mAir Canada

Fri 7/116:05 pmKIX - DCA

1 stop27h 47mAir Canada

Deal found 4/23

$1,458

Tue 6/38:00 amDCA - ITM

2 stops22h 45mMultiple Airlines

Wed 6/182:35 pmITM - DCA

2 stops20h 24mMultiple Airlines

Deal found 4/23

$1,472

Tue 6/36:30 amIAD - ITM

2 stops24h 15mMultiple Airlines

Wed 6/182:35 pmITM - IAD

2 stops22h 24mMultiple Airlines

Deal found 4/23

$1,472

Tue 10/711:00 pmIAD - KIX

1 stop24h 40mAir China

Tue 10/219:05 amKIX - IAD

1 stop23h 25mAir China

Deal found 4/22

$1,476

Tue 10/76:59 amDCA - ITM

2 stops23h 11mAir Canada

Fri 11/142:00 pmITM - DCA

2 stops22h 37mAir Canada

Deal found 4/23

$1,643

Best flights from District of Columbia to Osaka
Discover carefully curated flight deals from District of Columbia to Osaka that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 24, 2025.

Wed 4/307:00 amIAD - KIX

2 stops34h 40mMultiple Airlines

Sun 5/410:00 amKIX - IAD

2 stops43h 38mMultiple Airlines

Deal found 4/23

$1,078

Mon 5/125:38 pmIAD - KIX

2 stops30h 22mCathay Pacific

Tue 6/2410:00 amKIX - IAD

2 stops33h 50mCathay Pacific

Deal found 4/22

$1,213

Tue 7/16:00 amDCA - KIX

2 stops21h 25mAir Canada

Fri 7/116:05 pmKIX - DCA

1 stop27h 47mAir Canada

Deal found 4/23

$1,458

Tue 5/61:30 pmIAD - KIX

1 stop40h 30mTurkish Airlines

Thu 6/2610:25 pmKIX - IAD

1 stop26h 20mTurkish Airlines

Deal found 4/22

$1,458

Tue 7/111:00 pmIAD - KIX

1 stop24h 40mAir China

Fri 7/119:05 amKIX - IAD

1 stop23h 25mAir China

Deal found 4/23

$1,603

Wed 5/218:15 amDCA - KIX

1 stop21h 30mJapan Airlines

Wed 6/46:40 amKIX - DCA

2 stops22h 15mJapan Airlines

Deal found 4/23

$1,714

Sun 7/138:30 amIAD - KIX

2 stops23h 35mAsiana Airlines

Fri 7/189:10 amKIX - IAD

2 stops24h 35mAsiana Airlines

Deal found 4/23

$1,801

Wed 5/2110:05 pmIAD - KIX

1 stop24h 35mEtihad Airways

Wed 6/49:10 amKIX - IAD

2 stops44h 00mEtihad Airways

Deal found 4/23

$1,811

Sun 7/612:15 pmIAD - UKB

1 stop20h 30mANA

Wed 8/277:05 amUKB - IAD

1 stop16h 00mANA

Deal found 4/22

$1,826

Tue 7/16:32 amIAD - KIX

1 stop19h 18mUnited Airlines

Fri 7/114:55 pmKIX - IAD

2 stops20h 50mUnited Airlines

Deal found 4/23

$1,837

Sun 7/68:20 amDCA - KIX

1 stop21h 25mAmerican Airlines

Wed 8/275:55 pmKIX - DCA

2 stops19h 55mAmerican Airlines

Deal found 4/22

$1,848

Sat 6/76:30 pmIAD - ITM

2 stops29h 05mAir France

Sat 6/148:10 pmITM - IAD

2 stops36h 05mAir France

Deal found 4/23

$1,881

Last-minute flights from District of Columbia to Osaka
Discover last-minute flight deals from District of Columbia to Osaka. Data last updated April 24, 2025 and is based on user searches.

Sat 4/2611:54 amDCA - KIX

2 stops29h 46mMultiple Airlines

Thu 5/16:30 pmKIX - DCA

2 stops39h 28mMultiple Airlines

Deal found 4/22

$1,348

Mon 4/289:40 pmIAD - KIX

1 stop32h 20mTurkish Airlines

Tue 5/1310:25 pmKIX - IAD

1 stop26h 20mTurkish Airlines

Deal found 4/22

$1,555

Wed 4/307:00 amIAD - KIX

2 stops34h 40mMultiple Airlines

Sun 5/410:00 amKIX - IAD

2 stops43h 38mMultiple Airlines

Deal found 4/22

$1,077

Wed 4/309:00 pmIAD - KIX

1 stop31h 25mQatar Airways

Sun 5/46:55 pmKIX - IAD

1 stop26h 45mQatar Airways

Deal found 4/22

$1,944

Wed 4/3010:35 amIAD - ITM

2 stops20h 40mAir Canada

Sun 5/42:05 pmITM - IAD

2 stops36h 09mAir Canada

Deal found 4/23

$2,197

Wed 4/3012:15 pmIAD - ITM

1 stop16h 55mANA

Sun 5/410:00 amITM - IAD

1 stop18h 40mANA

Deal found 4/23

$2,581

Wed 4/3012:15 pmIAD - UKB

1 stop20h 30mANA

Sun 5/47:05 amUKB - IAD

1 stop21h 35mANA

Deal found 4/22

$2,676

Wed 4/306:30 amIAD - ITM

2 stops21h 35mUnited Airlines

Sun 5/412:00 pmITM - IAD

1 stop16h 40mUnited Airlines

Deal found 4/22

$2,690

Thu 5/15:35 pmIAD - KIX

1 stop24h 40mLufthansa

Sun 7/209:30 amKIX - IAD

2 stops41h 00mLufthansa

Deal found 4/22

$2,057

Thu 5/111:54 amDCA - KIX

2 stops29h 46mCathay Pacific

Sun 7/207:35 pmKIX - DCA

2 stops40h 36mCathay Pacific

Deal found 4/22

$1,241

Thu 5/18:40 pmDCA - KIX

2 stops30h 45mAir Canada

Sun 7/206:05 pmKIX - DCA

1 stop17h 22mAir Canada

Deal found 4/22

$1,748

Sat 5/36:30 amIAD - ITM

2 stops24h 20mJapan Airlines

Sat 5/172:35 pmITM - IAD

2 stops30h 01mJapan Airlines

Deal found 4/22

$2,284

One-way flights from District of Columbia to Osaka
Search for one-way flight options from District of Columbia to Osaka. Find affordable one-way fares based on user searches. Data last updated April 24, 2025.

Sat 5/37:45 amIAD - KIX

3 stops36h 15mMultiple Airlines

Deal found 4/22

$470

Fri 5/166:00 pmDCA - KIX

3 stops56h 00mMultiple Airlines

Deal found 4/23

$563

Sat 5/35:13 pmIAD - KIX

2 stops35h 57mCathay Pacific

Deal found 4/22

$596

Fri 5/307:15 amIAD - ITM

3 stops41h 30mMultiple Airlines

Deal found 4/22

$712

Thu 6/267:00 amIAD - KIX

2 stops25h 05mAsiana Airlines

Deal found 4/23

$1,014

Mon 6/306:58 pmDCA - KIX

2 stops28h 02mChina Airlines

Deal found 4/23

$1,022

Sat 6/145:02 pmDCA - KIX

2 stops35h 13mEVA Air

Deal found 4/23

$1,066

Fri 5/306:59 amDCA - ITM

3 stops23h 51mMultiple Airlines

Deal found 4/22

$1,071

Fri 5/306:15 pmIAD - UKB

2 stops26h 45mMultiple Airlines

Deal found 4/22

$1,085

Fri 5/305:00 pmDCA - UKB

2 stops28h 00mMultiple Airlines

Deal found 4/22

$1,085

Mon 6/3010:08 pmIAD - KIX

1 stop27h 42mUnited Airlines

Deal found 4/23

$1,085

Thu 6/128:19 pmIAD - KIX

2 stops50h 41mChina Airlines

Deal found 4/23

$1,101

Cheapflights Fare Finder

Use the filters below to find and compare flights from District of Columbia to Osaka that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Sun 8/24

1:15 pm-6:40 am

2 stops28h 25m

Osaka Kansai Intl

Mon 9/8

9:10 am-5:24 am

2 stops33h 14m

$1,128

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Mon 5/12

5:38 pm-1:00 pm

2 stops30h 22m

Osaka Kansai Intl

Tue 6/24

10:00 am-6:50 am

2 stops33h 50m

$1,203

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Sun 9/21

8:25 am-4:25 pm

1 stop19h 00m

Osaka Kansai Intl

Mon 9/29

6:05 pm-8:55 pm

2 stops39h 50m

$1,239

Washington, D.C.Osaka

IAD - ITM

IADITM

Washington, D.C. Dulles Intl

Wed 9/3

9:45 am-6:55 pm

2 stops20h 10m

Osaka Itami

Wed 9/17

2:05 pm-9:05 pm

2 stops20h 00m

$1,261

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Mon 9/1

9:40 pm-7:00 pm

1 stop32h 20m

Osaka Kansai Intl

Tue 9/23

10:25 pm-11:45 am

1 stop26h 20m

$1,295

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Sun 7/6

12:16 pm-6:40 am

2 stops29h 24m

Osaka Kansai Intl

Wed 8/27

6:35 pm-12:50 am

2 stops43h 15m

$1,370

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Tue 6/3

4:35 pm-1:00 pm

3 stops31h 25m

Osaka Kansai Intl

Wed 6/18

6:35 pm-12:03 pm

3 stops30h 28m

$1,437

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Tue 7/1

6:00 am-4:25 pm

2 stops21h 25m

Osaka Kansai Intl

Fri 7/11

6:05 pm-8:52 am

1 stop27h 47m

$1,458

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Tue 6/3

8:00 am-7:45 pm

2 stops22h 45m

Osaka Itami

Wed 6/18

2:35 pm-9:59 pm

2 stops20h 24m

$1,472

Washington, D.C.Osaka

IAD - ITM

IADITM

Washington, D.C. Dulles Intl

Tue 6/3

6:30 am-7:45 pm

2 stops24h 15m

Osaka Itami

Wed 6/18

2:35 pm-11:59 pm

2 stops22h 24m

$1,472

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 60 results

...

Best time to book a flight from District of Columbia to Osaka

Have a flexible travel schedule? Discover the best time to fly to Osaka from District of Columbia with our price prediction graph.

Estimated round-trip 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.

Cheapflights Insights

Everything you need to know about your flight from District of Columbia to Osaka

What is the cheapest time of day to fly from DC to OSA?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from District of Columbia to Osaka as you normally would.

Rainfall in Osaka by month

In terms of precipitation, rainfall in Osaka ranges from 1.6 - 7.9 inches per month. June is typically the wettest month, when rainfall can reach 7.9 in. January is typically the driest time to visit Osaka when rainfall is around 1.6 in.

Temperature in Osaka by month

If weather is an important factor for your trip to Osaka, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 42.8 F).

Reviews of airlines servicing Osaka

See what other customers who have flown with EVA Air, Korean Air and Japan Airlines from District of Columbia to Osaka have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

EVA Air

8.4

Very good

1,180 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

EVA Air

8.4

Very good

1,180 reviews

EVA Air

8.4

Very good

1,180 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Korean Air

8.4

Very good

1,062 reviews

EVA Air

8.4

Very good

1,180 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Japan Airlines

8.3

Very good

1,453 reviews

EVA Air

8.4

Very good

1,180 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

China Airlines

8.3

Very good

727 reviews

EVA Air

8.4

Very good

1,180 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

ANA

8.3

Very good

853 reviews

EVA Air

8.4

Very good

1,180 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Related info for your journey

What are the cheapest airlines to fly from District of Columbia to Osaka one-way?
The cheapest airline one-way is Cathay Pacific, with whom users have recently found tickets for as low as $596. However, be on the lookout for offers from Asiana Airlines and China Airlines, as they are both options that can get you from District of Columbia to Osaka for a low price.
What are the most popular routes from District of Columbia to Osaka?
The most popular flight routes from District of Columbia to Osaka are Washington, D.C. Dulles Intl - Osaka Itami, Washington, D.C. Dulles Intl - Osaka Kansai Intl and Washington, D.C. Dulles Intl - Kobe.
Can I find deals for flights from District of Columbia to Osaka that include hotel bookings?
Yes. In addition to deals on District of Columbia to Osaka flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from District of Columbia to Osaka?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from District of Columbia to Osaka.
Can I find deals for business class flights from District of Columbia to Osaka?
Yes. Cheapflights offers flight deals from District of Columbia to Osaka by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from District of Columbia to Osaka?
Currently, February is the cheapest month in which you can book a flight from District of Columbia to Osaka (average of $898). Flying from District of Columbia to Osaka in December is currently the most expensive (average of $1,350). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Nara

Nishinomiya

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from District of Columbia to Osaka

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest$929	Average$1,020	FlexibilityNo cancel fee	On-time67%
ANA	Cheapest$1,457	Average$1,892	FlexibilityNo cancel fee	On-time80%
United Airlines	Cheapest$1,666	Average$1,884	FlexibilityNo cancel fee	On-time69%

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$470+ Cheap flights from District of Columbia to Osaka (OSA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/3. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from District of Columbia to Osaka with Cheapflights

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Cheap flight deals from District of Columbia to Osaka

Keep the following information in mind while searching for District of Columbia to Osaka flight deals. Data was last updated April 24, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from District of Columbia to Osaka

Cheapest flights from District of Columbia to OsakaExplore the most affordable flight options available from District of Columbia to Osaka. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.

Explore the most affordable flight options available from District of Columbia to Osaka. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from District of Columbia to Osaka that are best for you.

Best time to book a flight from District of Columbia to Osaka

Have a flexible travel schedule? Discover the best time to fly to Osaka from District of Columbia with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from District of Columbia to Osaka

What is the cheapest time of day to fly from DC to OSA?

Find hourly flight availability from District of Columbia to Osaka. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 24, 2025.

Rainfall in Osaka by month

Plan your trip to Osaka by taking into account the average rainfall totals by month.

Temperature in Osaka by month

Plan your trip to Osaka by taking into account the average temperature totals by month.

Reviews of airlines servicing Osaka

Get insights into the airlines that provide service to Osaka. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Osaka. Reviews last updated April 24, 2025.

See what other customers who have flown with EVA Air, Korean Air and Japan Airlines from District of Columbia to Osaka have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from District of Columbia to Osaka. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines to fly from District of Columbia to Osaka one-way?

What are the most popular routes from District of Columbia to Osaka?

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Alternative routes for District of Columbia to Osaka

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Top 3 airlines flying from District of Columbia to Osaka

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Cheapest flights from District of Columbia to Osaka
Explore the most affordable flight options available from District of Columbia to Osaka. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.