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Cheap flights from Washington, D.C. to Ōita from $1,442

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Ōita departing on 9/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Washington, D.C. to Ōita

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:52 am - 6:15 pmIAD  Washington, D.C. Dulles Intl-OIT Oita
22h 23m2 stops Dallas/Fort Worth Tokyo Haneda
Multiple Airlines Logo
11:50 am - 8:24 pmOIT  Oita-IAD Washington, D.C. Dulles Intl
21h 34m2 stops Tokyo Haneda Dallas/Fort Worth
$1,442Multiple Airlines
Wed, Sep 23 - Wed, Sep 30
Multiple Airlines Logo
12:15 pm - 4:15 pmIAD  Washington, D.C. Dulles Intl-OIT Oita
39h 00m1 stop Tokyo Haneda
Multiple Airlines Logo
4:30 pm - 5:40 amOIT  Oita-IAD Washington, D.C. Dulles Intl
26h 10m2 stops Taipei City Taiwan Taoyuan Intl Seattle/Tacoma Intl
$1,480Multiple Airlines
Wed, Sep 23 - Wed, Sep 30
ANA Logo
12:15 pm - 8:50 pmIAD  Washington, D.C. Dulles Intl-OIT Oita
19h 35m1 stop Tokyo Haneda
ANA Logo
1:10 pm - 10:05 amOIT  Oita-IAD Washington, D.C. Dulles Intl
33h 55m1 stop Tokyo Haneda
$1,501ANA
Wed, Sep 23 - Wed, Sep 30
Multiple Airlines Logo
6:52 am - 6:15 pmIAD  Washington, D.C. Dulles Intl-OIT Oita
22h 23m2 stops Dallas/Fort Worth Tokyo Haneda
Multiple Airlines Logo
12:00 pm - 8:24 pmOIT  Oita-IAD Washington, D.C. Dulles Intl
21h 24m2 stops Tokyo Haneda Dallas/Fort Worth
$1,624Multiple Airlines
Fri, Sep 25 - Fri, Oct 2
Multiple Airlines Logo
12:15 pm - 7:55 amIAD  Washington, D.C. Dulles Intl-OIT Oita
30h 40m1 stop Tokyo Haneda
Multiple Airlines Logo
10:40 am - 10:00 pmOIT  Oita-IAD Washington, D.C. Dulles Intl
24h 20m2 stops Tokyo Narita Taipei City Taiwan Taoyuan Intl
$1,768Multiple Airlines
Fri, Sep 25 - Fri, Oct 2
ANA Logo
12:15 pm - 12:25 pmIAD  Washington, D.C. Dulles Intl-OIT Oita
35h 10m1 stop Tokyo Haneda
ANA Logo
7:40 am - 10:05 amOIT  Oita-IAD Washington, D.C. Dulles Intl
15h 25m1 stop Tokyo Haneda
$1,798ANA
Fri, Sep 25 - Fri, Oct 2
ANA Logo
11:10 am - 8:05 amIAD  Washington, D.C. Dulles Intl-OIT Oita
30h 55m1 stop Tokyo Haneda
ANA Logo
4:45 pm - 9:10 amOIT  Oita-IAD Washington, D.C. Dulles Intl
30h 25m1 stop Tokyo Haneda
$1,983ANA
Mon, Nov 2 - Tue, Dec 1
Multiple Airlines Logo
9:55 am - 8:15 amIAD  Washington, D.C. Dulles Intl-OIT Oita
33h 20m3 stops Toronto Pearson Intl Tokyo Narita Osaka Itami
Multiple Airlines Logo
5:20 pm - 3:40 pmOIT  Oita-IAD Washington, D.C. Dulles Intl
35h 20m2 stops Tokyo Haneda Doha Hamad Intl
$2,022Multiple Airlines
Wed, Sep 23 - Wed, Sep 30
ANA Logo
11:10 am - 8:05 amIAD  Washington, D.C. Dulles Intl-OIT Oita
30h 55m1 stop Tokyo Haneda
ANA Logo
7:40 am - 11:43 amOIT  Oita-IAD Washington, D.C. Dulles Intl
18h 03m2 stops Tokyo Haneda Chicago O'Hare Intl
$2,148ANA
Mon, Nov 2 - Tue, Dec 1
Multiple Airlines Logo
9:45 am - 8:15 amIAD  Washington, D.C. Dulles Intl-OIT Oita
33h 30m3 stops Montreal Pierre Elliott Trudeau Intl Tokyo Narita Osaka Itami
Multiple Airlines Logo
8:45 am - 8:25 pmOIT  Oita-IAD Washington, D.C. Dulles Intl
24h 40m3 stops Osaka Itami Tokyo Narita Toronto Pearson Intl
$2,524Multiple Airlines
Wed, Sep 23 - Wed, Sep 30

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ANA flights from Washington, D.C. to Ōita

Our best ANA deals on Washington, D.C. to Ōita flight tickets
ANA
Sep 23
IAD12:15 pmWashington, D.C. Dulles Intl
19h 35m
1 stop
OIT8:50 pmOita
Sep 30
OIT1:10 pmOita
33h 55m
1 stop
IAD10:05 amWashington, D.C. Dulles Intl
$1,501
ANA
Sep 25
IAD12:15 pmWashington, D.C. Dulles Intl
35h 10m
1 stop
OIT12:25 pmOita
Oct 2
OIT7:40 amOita
15h 25m
1 stop
IAD10:05 amWashington, D.C. Dulles Intl
$1,798
ANA
Nov 2
IAD11:10 amWashington, D.C. Dulles Intl
30h 55m
1 stop
OIT8:05 amOita
Dec 1
OIT4:45 pmOita
30h 25m
1 stop
IAD9:10 amWashington, D.C. Dulles Intl
$1,983

Qatar Airways flights from Washington, D.C. to Ōita

Our best Qatar Airways deals on Washington, D.C. to Ōita flight tickets
Qatar Airways
Nov 2
IAD8:05 pmWashington, D.C. Dulles Intl
47h 35m
2 stops
OIT9:40 amOita
Nov 5
OIT7:30 pmOita
34h 25m
2 stops
IAD3:55 pmWashington, D.C. Dulles Intl
$4,249
Qatar Airways
Nov 2
IAD8:05 pmWashington, D.C. Dulles Intl
47h 35m
2 stops
OIT9:40 amOita
Nov 5
OIT7:30 pmOita
34h 25m
2 stops
IAD3:55 pmWashington, D.C. Dulles Intl
$4,321

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Ōita that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 12, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Ōita that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Ōita

IAD Washington, D.C. Dulles Intl - OIT Oita

IADOIT

Washington, D.C. Dulles Intl

Wed 9/23

6:52 am-6:15 pm

2 stops22h 23m

Oita

Wed 9/30

11:50 am-8:24 pm

2 stops21h 34m

$1,442

Washington, D.C.Ōita

IAD Washington, D.C. Dulles Intl - OIT Oita

IADOIT

Washington, D.C. Dulles Intl

Wed 9/23

12:15 pm-4:15 pm

1 stop39h 00m

Oita

Wed 9/30

4:30 pm-5:40 am

2 stops26h 10m

$1,480

Washington, D.C.Ōita

IAD Washington, D.C. Dulles Intl - OIT Oita

IADOIT

Washington, D.C. Dulles Intl

Wed 9/23

12:15 pm-8:50 pm

1 stop19h 35m

Oita

Wed 9/30

1:10 pm-10:05 am

1 stop33h 55m

$1,501
Quickest round-trip

Washington, D.C.Ōita

IAD Washington, D.C. Dulles Intl - OIT Oita

IADOIT

Washington, D.C. Dulles Intl

Fri 9/25

6:52 am-6:15 pm

2 stops22h 23m

Oita

Fri 10/2

12:00 pm-8:24 pm

2 stops21h 24m

$1,624

Washington, D.C.Ōita

IAD Washington, D.C. Dulles Intl - OIT Oita

IADOIT

Washington, D.C. Dulles Intl

Fri 9/25

12:15 pm-7:55 am

1 stop30h 40m

Oita

Fri 10/2

10:40 am-10:00 pm

2 stops24h 20m

$1,768

Washington, D.C.Ōita

IAD Washington, D.C. Dulles Intl - OIT Oita

IADOIT

Washington, D.C. Dulles Intl

Fri 9/25

12:15 pm-12:25 pm

1 stop35h 10m

Oita

Fri 10/2

7:40 am-10:05 am

1 stop15h 25m

$1,798

Washington, D.C.Ōita

IAD Washington, D.C. Dulles Intl - OIT Oita

IADOIT

Washington, D.C. Dulles Intl

Mon 11/2

11:10 am-8:05 am

1 stop30h 55m

Oita

Tue 12/1

4:45 pm-9:10 am

1 stop30h 25m

$1,983

Washington, D.C.Ōita

IAD Washington, D.C. Dulles Intl - OIT Oita

IADOIT

Washington, D.C. Dulles Intl

Wed 9/23

9:55 am-8:15 am

3 stops33h 20m

Oita

Wed 9/30

5:20 pm-3:40 pm

2 stops35h 20m

$2,022

Washington, D.C.Ōita

IAD Washington, D.C. Dulles Intl - OIT Oita

IADOIT

Washington, D.C. Dulles Intl

Mon 11/2

11:10 am-8:05 am

1 stop30h 55m

Oita

Tue 12/1

7:40 am-11:43 am

2 stops18h 03m

$2,148

Washington, D.C.Ōita

IAD Washington, D.C. Dulles Intl - OIT Oita

IADOIT

Washington, D.C. Dulles Intl

Wed 9/23

9:45 am-8:15 am

3 stops33h 30m

Oita

Wed 9/30

8:45 am-8:25 pm

3 stops24h 40m

$2,524

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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How to get the cheapest flight ticket from Washington, D.C. to Ōita

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

How long does it take to fly to Ōita?

If you’re flying from a popular airport in Washington, D.C., such as Baltimore or Washington, D.C., and flying into Ōita, then you can expect flight times to average 22h 42m and 22h 55m, respectively.

When to book flights from Washington, D.C. to Ōita

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to Ōita according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. to Ōita (WAS to OIT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Ōita

Fastest flight time

22h 23m

Direct flights

None
The fastest flight from Washington, D.C. to Ōita takes 22h 23m
There are no direct flights from Washington, D.C. to Ōita. There are no popular flight routes from Washington, D.C. to Ōita.
Search flight deals

Frequently asked questions about flying from Washington, D.C. to Ōita

  • How far is Washington, D.C. to Oita by plane?

    There are 7120.3 mi between Washington, D.C. and Oita. By plane, this route typically takes 22h 23m.

  • When did momondo last update prices for flights from Washington, D.C. to Oita Airport?

    Prices for flights from Washington, D.C. to Oita Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Washington, D.C. to Oita Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. to Oita Airport.

  • What documentation or ID do you need to fly to Oita Airport?

    The travel and health documents required for your trip to Oita Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Oita Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near Ōita?

Book flights to Ōita if you plan to visit one of these locations
Beppu
Yufu

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Ōita?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to Ōita. momondo saves you time and could save you money on your trip.

Can I find flights from Washington, D.C. to Ōita with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Washington, D.C. to Ōita flights to just show those with flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Ōita?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ōita from Washington, D.C..

I’m not ready to book a flight from Washington, D.C. to Ōita right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Washington, D.C. to Ōita flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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