$472+ Cheap flights from Dulles Intl (IAD) 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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — OSA
Jun 17 — Jun 241
Round-trip
1 adult, Economy
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Cheapest flights from Dulles Intl to OsakaExplore the most affordable flight options available from Dulles Intl to Osaka. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 18, 2026.
Explore the most affordable flight options available from Dulles Intl to Osaka. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 18, 2026.
This oojo deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/281:15 am
IAD
- KIX
1 stop21h 55m
EVA Air
Sun 10/46:30 pm
KIX
- IAD
1 stop40h 30m
EVA Air
Deal found 5/14![EVA Air logo]()
$1,152
This Kiwi.com deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/21:15 am
IAD
- KIX
1 stop21h 55m
EVA Air
Wed 9/1611:10 am
KIX
- IAD
1 stop23h 50m
EVA Air
Deal found 5/16![EVA Air logo]()
$1,167
This FlightHub deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/311:50 am
IAD
- UKB
1 stop27h 10m
EVA Air
Fri 9/1811:00 am
UKB
- IAD
1 stop24h 00m
EVA Air
Deal found 5/18![EVA Air logo]()
$1,190
This oojo deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/121:15 am
IAD
- KIX
1 stop21h 55m
EVA Air
Sun 9/206:30 pm
KIX
- IAD
1 stop40h 30m
EVA Air
Deal found 5/17![EVA Air logo]()
$1,190
This oojo deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/251:15 am
IAD
- KIX
1 stop27h 00m
EVA Air
Sun 10/46:30 pm
KIX
- IAD
1 stop40h 30m
EVA Air
Deal found 5/14![EVA Air logo]()
$1,192
This EVA Air deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/311:50 am
IAD
- UKB
1 stop27h 10m
EVA Air
Mon 9/1411:00 am
UKB
- IAD
1 stop24h 00m
EVA Air
Deal found 5/16![EVA Air logo]()
$1,193
This EVA Air deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/311:50 am
IAD
- KIX
1 stop21h 20m
EVA Air
Mon 9/141:10 pm
KIX
- IAD
1 stop21h 50m
EVA Air
Deal found 5/16![EVA Air logo]()
$1,198
This Kiwi.com deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/311:50 am
IAD
- KIX
1 stop21h 20m
EVA Air
Sat 9/191:10 pm
KIX
- IAD
1 stop21h 50m
EVA Air
Deal found 5/16![EVA Air logo]()
$1,205
This oojo deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/51:15 am
IAD
- KIX
1 stop21h 55m
EVA Air
Sat 9/191:10 pm
KIX
- IAD
1 stop21h 50m
EVA Air
Deal found 5/14![EVA Air logo]()
$1,228
This EVA Air deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/291:50 am
IAD
- UKB
1 stop27h 10m
EVA Air
Wed 9/1611:00 am
UKB
- IAD
1 stop24h 00m
EVA Air
Deal found 5/16![EVA Air logo]()
$1,233
This Cathay Pacific deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/296:41 pm
IAD
- KIX
2 stops29h 14m
Multiple Airlines
Sun 10/45:35 pm
KIX
- IAD
2 stops43h 24m
Multiple Airlines
Deal found 5/18![Multiple Airlines logo]()
$1,237
This EVA Air deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/291:50 am
IAD
- KIX
1 stop26h 25m
EVA Air
Tue 9/156:30 pm
KIX
- IAD
1 stop40h 30m
EVA Air
Deal found 5/16![EVA Air logo]()
$1,238
Best flights from Dulles Intl to OsakaDiscover carefully curated flight deals from Dulles Intl to Osaka that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 18, 2026.
Discover carefully curated flight deals from Dulles Intl to Osaka that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 18, 2026.
This EVA Air deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/41:15 am
IAD
- UKB
1 stop27h 45m
EVA Air
Wed 9/1611:00 am
UKB
- IAD
1 stop24h 00m
EVA Air
Deal found 5/16![EVA Air logo]()
$1,233
This Justfly.com deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:33 pm
IAD
- UKB
2 stops27h 27m
Multiple Airlines
Mon 11/1611:00 am
UKB
- IAD
1 stop23h 55m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$1,351
This FlightHub deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2112:35 pm
IAD
- UKB
1 stop20h 10m
ANA
Mon 11/169:15 pm
UKB
- IAD
1 stop25h 55m
ANA
Deal found 5/13![ANA logo]()
$1,821
This Air Canada deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/283:45 pm
IAD
- ITM
2 stops38h 10m
Air Canada
Wed 8/53:00 pm
ITM
- IAD
2 stops18h 24m
Air Canada
Deal found 5/13![Air Canada logo]()
$1,822
This United Airlines deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/16:33 am
IAD
- ITM
2 stops21h 32m
United Airlines
Fri 8/1412:50 pm
ITM
- IAD
2 stops21h 30m
United Airlines
Deal found 5/15![United Airlines logo]()
$2,068
This KLM deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/96:15 pm
IAD
- KIX
1 stop26h 25m
KLM
Thu 6/1811:25 am
KIX
- IAD
1 stop41h 40m
KLM
Deal found 5/14![KLM logo]()
$2,070
This Air France deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/46:15 pm
IAD
- ITM
2 stops29h 20m
Air France
Mon 6/1510:20 am
ITM
- IAD
2 stops42h 45m
Air France
Deal found 5/15![Air France logo]()
$2,210
This EVA Air deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/311:50 am
IAD
- UKB
1 stop27h 10m
EVA Air
Thu 9/177:00 pm
UKB
- IAD
1 stop40h 00m
EVA Air
Deal found 5/16![EVA Air logo]()
$1,233
This EVA Air deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/21:15 am
IAD
- UKB
1 stop27h 45m
EVA Air
Thu 9/177:00 pm
UKB
- IAD
1 stop40h 00m
EVA Air
Deal found 5/16![EVA Air logo]()
$1,233
This EVA Air deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/41:15 am
IAD
- UKB
1 stop27h 45m
EVA Air
Sun 9/137:00 pm
UKB
- IAD
1 stop40h 00m
EVA Air
Deal found 5/16![EVA Air logo]()
$1,233
This Cathay Pacific deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/17:30 pm
IAD
- KIX
2 stops36h 45m
Multiple Airlines
Fri 9/189:05 am
KIX
- IAD
2 stops32h 55m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$1,497
This EVA Air deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/41:15 am
IAD
- UKB
1 stop27h 45m
EVA Air
Fri 9/1811:00 am
UKB
- IAD
1 stop24h 00m
EVA Air
Deal found 5/16![EVA Air logo]()
$1,273
This EVA Air deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/291:50 am
IAD
- UKB
1 stop27h 10m
EVA Air
Thu 9/177:00 pm
UKB
- IAD
1 stop40h 00m
EVA Air
Deal found 5/16![EVA Air logo]()
$1,273
This Justfly.com deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/251:20 pm
IAD
- UKB
1 stop19h 25m
ANA
Sun 11/87:05 am
UKB
- IAD
1 stop16h 05m
ANA
Deal found 5/13![ANA logo]()
$1,871
This Mytrip deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/271:50 am
IAD
- KIX
2 stops30h 00m
Multiple Airlines
Wed 8/56:25 pm
KIX
- IAD
3 stops38h 59m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$1,742
This United Airlines deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/96:30 am
IAD
- ITM
2 stops21h 35m
United Airlines
Fri 7/2412:50 pm
ITM
- IAD
2 stops25h 05m
United Airlines
Deal found 5/17![United Airlines logo]()
$2,068
This KLM deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/156:10 pm
IAD
- KIX
2 stops26h 30m
KLM
Fri 6/2611:55 am
KIX
- IAD
2 stops41h 10m
KLM
Deal found 5/15![KLM logo]()
$2,120
This Gotogate deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/291:20 pm
IAD
- UKB
1 stop32h 35m
Multiple Airlines
Mon 7/611:00 am
UKB
- IAD
1 stop24h 30m
Multiple Airlines
Deal found 5/15![Multiple Airlines logo]()
$1,765
This United Airlines deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/96:33 am
IAD
- ITM
2 stops21h 32m
United Airlines
Thu 6/1812:50 pm
ITM
- IAD
1 stop34h 15m
United Airlines
Deal found 5/14![United Airlines logo]()
$2,073
This Cheapflightsfares deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/158:15 am
IAD
- ITM
2 stops21h 55m
ANA
Fri 6/267:05 am
ITM
- IAD
1 stop16h 00m
ANA
Deal found 5/16![ANA logo]()
$2,194
This KLM deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/215:40 pm
IAD
- KIX
1 stop27h 35m
KLM
Sat 6/2711:25 am
KIX
- IAD
1 stop45h 10m
KLM
Deal found 5/13![KLM logo]()
$2,216
This Cathay Pacific deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/46:00 am
IAD
- KIX
3 stops43h 50m
Multiple Airlines
Mon 6/159:45 am
KIX
- IAD
2 stops32h 16m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$1,874
This United Airlines deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/156:33 am
IAD
- ITM
2 stops21h 32m
United Airlines
Fri 6/2612:50 pm
ITM
- IAD
2 stops21h 32m
United Airlines
Deal found 5/17![United Airlines logo]()
$2,083
This Cathay Pacific deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/306:00 am
IAD
- KIX
2 stops35h 40m
Multiple Airlines
Wed 6/39:05 am
KIX
- IAD
2 stops32h 43m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$1,905
This United Airlines deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/76:30 am
IAD
- KIX
1 stop19h 20m
United Airlines
Tue 7/284:55 pm
KIX
- IAD
1 stop21h 00m
United Airlines
Deal found 5/17![United Airlines logo]()
$2,121
This EVA Air deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/81:50 am
IAD
- UKB
1 stop27h 10m
EVA Air
Fri 8/217:00 pm
UKB
- IAD
1 stop40h 30m
EVA Air
Deal found 5/18![EVA Air logo]()
$1,865
This United Airlines deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/3010:21 pm
IAD
- ITM
2 stops29h 44m
United Airlines
Tue 7/712:50 pm
ITM
- IAD
1 stop34h 15m
United Airlines
Deal found 5/16![United Airlines logo]()
$2,162
This Cathay Pacific deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/277:25 pm
IAD
- KIX
3 stops30h 25m
Multiple Airlines
Thu 7/99:05 am
KIX
- IAD
2 stops32h 55m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$2,127
This EVA Air deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/251:50 am
IAD
- UKB
1 stop27h 10m
EVA Air
Thu 8/137:00 pm
UKB
- IAD
1 stop40h 30m
EVA Air
Deal found 5/18![EVA Air logo]()
$1,955
This United Airlines deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/26:30 am
IAD
- ITM
2 stops21h 35m
United Airlines
Thu 7/912:50 pm
ITM
- IAD
1 stop34h 15m
United Airlines
Deal found 5/18![United Airlines logo]()
$2,212
Last-minute flights from Dulles Intl to OsakaDiscover last-minute flight deals from Dulles Intl to Osaka. Data last updated May 18, 2026 and is based on user searches.
Discover last-minute flight deals from Dulles Intl to Osaka. Data last updated May 18, 2026 and is based on user searches.
This Priceline deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2610:10 pm
IAD
- KIX
2 stops29h 15m
Air Canada
Tue 6/26:00 pm
KIX
- IAD
2 stops26h 44m
Air Canada
Deal found 5/14![Air Canada logo]()
$1,606
This oojo deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/31:20 pm
IAD
- UKB
1 stop39h 25m
Multiple Airlines
Thu 6/116:55 pm
UKB
- IAD
1 stop28h 55m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$1,729
This KAYAK deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/910:20 pm
IAD
- KIX
1 stop43h 55m
Lufthansa
Mon 6/229:30 am
KIX
- IAD
1 stop42h 35m
Lufthansa
Deal found 5/18![Lufthansa logo]()
$1,593
This FlightHub deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/910:20 pm
IAD
- KIX
1 stop43h 55m
Lufthansa
Wed 6/249:30 am
KIX
- IAD
1 stop46h 55m
Lufthansa
Deal found 5/18![Lufthansa logo]()
$1,598
This Orbitz deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1010:20 pm
IAD
- KIX
1 stop43h 55m
Lufthansa
Mon 6/229:30 am
KIX
- IAD
1 stop42h 35m
Lufthansa
Deal found 5/17![Lufthansa logo]()
$1,588
This KAYAK deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/125:55 pm
IAD
- KIX
2 stops24h 20m
Lufthansa
Mon 6/229:30 am
KIX
- IAD
1 stop42h 35m
Lufthansa
Deal found 5/18![Lufthansa logo]()
$1,629
This KAYAK deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/153:25 pm
IAD
- KIX
2 stops26h 50m
Lufthansa
Mon 7/69:30 am
KIX
- IAD
1 stop46h 55m
Lufthansa
Deal found 5/14![Lufthansa logo]()
$1,564
This KAYAK deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/153:25 pm
IAD
- KIX
2 stops34h 40m
Lufthansa
Thu 6/257:00 am
KIX
- IAD
2 stops49h 25m
Lufthansa
Deal found 5/14![Lufthansa logo]()
$1,628
This Gotogate deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/281:20 pm
IAD
- UKB
1 stop32h 35m
Multiple Airlines
Sun 7/57:00 pm
UKB
- IAD
1 stop40h 30m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$1,773
This Mytrip deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/291:20 pm
IAD
- KIX
1 stop38h 45m
Multiple Airlines
Mon 7/66:25 pm
KIX
- IAD
3 stops38h 59m
Multiple Airlines
Deal found 5/15![Multiple Airlines logo]()
$1,612
This Gotogate deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/291:20 pm
IAD
- UKB
1 stop32h 35m
Multiple Airlines
Mon 7/611:00 am
UKB
- IAD
1 stop24h 30m
Multiple Airlines
Deal found 5/15![Multiple Airlines logo]()
$1,761
This lol.travel deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/3010:14 pm
IAD
- KIX
2 stops29h 11m
Air Canada
Tue 7/76:00 pm
KIX
- IAD
1 stop25h 22m
Air Canada
Deal found 5/16![Air Canada logo]()
$1,594
One-way flights from Dulles Intl to OsakaSearch for one-way flight options from Dulles Intl to Osaka. Find affordable one-way fares based on user searches. Data last updated May 18, 2026.
Search for one-way flight options from Dulles Intl to Osaka. Find affordable one-way fares based on user searches. Data last updated May 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/48:57 pm
IAD
- KIX
3 stops36h 03m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$472
This Kiwi.com deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/48:57 pm
IAD
- ITM
3 stops34h 38m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$497
This Kiwi.com deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/238:57 pm
IAD
- ITM
3 stops34h 18m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$546
This Kiwi.com deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/39:50 am
IAD
- KIX
3 stops47h 10m
Multiple Airlines
Deal found 5/18![Multiple Airlines logo]()
$550
This Kiwi.com deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/39:50 am
IAD
- ITM
3 stops44h 05m
Multiple Airlines
Deal found 5/18![Multiple Airlines logo]()
$593
This SmartFares deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/221:50 am
IAD
- KIX
1 stop21h 20m
EVA Air
Deal found 5/17![EVA Air logo]()
$678
This FlightHub deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/221:50 am
IAD
- UKB
1 stop27h 10m
EVA Air
Deal found 5/17![EVA Air logo]()
$691
This Kiwi.com deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/74:05 pm
IAD
- KIX
3 stops53h 50m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$720
This Kiwi.com deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/87:00 pm
IAD
- KIX
3 stops50h 05m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$747
This Kiwi.com deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/124:05 pm
IAD
- KIX
3 stops39h 30m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$772
This Kiwi.com deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/96:00 am
IAD
- KIX
3 stops47h 05m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$780
This eDestinos deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/46:03 am
IAD
- UKB
3 stops50h 42m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$782
Find flight deals from Dulles Intl to Osaka
Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Osaka (OSA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 18, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $1,152 (oojo) |
One-way from | $472 (Kiwi.com) |
Popular in | December |
Cheapest in | July |
Average price | $1,280 |
Cheapflights Fare Finder
Customize your flight search to find flights from Dulles Intl to Osaka 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, Cheapflights users made 2,558,603 searches. Data last updated May 18, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Osaka that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Washington, D.C.Kobe
IAD - UKB
IADUKB
Washington, D.C. Dulles Intl
Fri 9/4
1:15 am-6:00 pm
1 stop27h 45m
Kobe
Wed 9/16
11:00 am-10:00 pm
1 stop24h 00m
$1,233
Washington, D.C.Kobe
IAD - UKB
IADUKB
Washington, D.C. Dulles Intl
Mon 8/31
1:50 am-6:00 pm
1 stop27h 10m
Kobe
Thu 9/17
7:00 pm-10:00 pm
1 stop40h 00m
$1,233
Washington, D.C.Kobe
IAD - UKB
IADUKB
Washington, D.C. Dulles Intl
Wed 9/2
1:15 am-6:00 pm
1 stop27h 45m
Kobe
Thu 9/17
7:00 pm-10:00 pm
1 stop40h 00m
$1,233
Washington, D.C.Kobe
IAD - UKB
IADUKB
Washington, D.C. Dulles Intl
Fri 9/4
1:15 am-6:00 pm
1 stop27h 45m
Kobe
Sun 9/13
7:00 pm-10:00 pm
1 stop40h 00m
$1,233
Washington, D.C.Kobe
IAD - UKB
IADUKB
Washington, D.C. Dulles Intl
Fri 9/4
1:15 am-6:00 pm
1 stop27h 45m
Kobe
Fri 9/18
11:00 am-10:00 pm
1 stop24h 00m
$1,273
Washington, D.C.Kobe
IAD - UKB
IADUKB
Washington, D.C. Dulles Intl
Sat 8/29
1:50 am-6:00 pm
1 stop27h 10m
Kobe
Thu 9/17
7:00 pm-10:00 pm
1 stop40h 00m
$1,273
Washington, D.C.Kobe
IAD - UKB
IADUKB
Washington, D.C. Dulles Intl
Wed 10/21
5:33 pm-10:00 am
2 stops27h 27m
Kobe
Mon 11/16
11:00 am-8:55 pm
1 stop23h 55m
$1,351
Washington, D.C.Osaka
IAD - KIX
IADKIX
Washington, D.C. Dulles Intl
Sat 8/1
7:30 pm-9:15 pm
2 stops36h 45m
Osaka Kansai Intl
Fri 9/18
9:05 am-5:00 am
2 stops32h 55m
$1,497
Washington, D.C.Osaka
IAD - KIX
IADKIX
Washington, D.C. Dulles Intl
Mon 7/27
1:50 am-8:50 pm
2 stops30h 00m
Osaka Kansai Intl
Wed 8/5
6:25 pm-8:24 pm
3 stops38h 59m
$1,742
Washington, D.C.Kobe
IAD - UKB
IADUKB
Washington, D.C. Dulles Intl
Mon 6/29
1:20 pm-10:55 am
1 stop32h 35m
Kobe
Mon 7/6
11:00 am-10:30 pm
1 stop24h 30m
$1,765
Showing 1-10 of 44 resultsSorted by cheapest first
Compare providers for flights from Dulles Intl to Osaka
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Osaka in May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Osaka flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Washington, D.C. Dulles Intl Airport-Osaka flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Osaka flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Osaka flights, Cheapflights users trust Ovago the most. Ovago has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Osaka flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Dulles Intl to Osaka
Have a flexible travel schedule? Discover the best time to fly to Osaka from Dulles Intl with our price prediction graph.
IAD-OSA
IAD-ITM
IAD-KIX
IAD-UKB
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 Washington, D.C. Dulles Intl Airport to Osaka
IAD-OSA
IAD-ITM
IAD-KIX
IAD-UKB
What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Osaka?
Currently, July is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Osaka (average of $247). Flying from Washington, D.C. Dulles Intl Airport to Osaka in December is currently the most expensive (average of $2,816). 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.
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 May 18, 2026.
See what other customers who have flown with ANA from Washington, D.C. Dulles Intl Airport to Osaka have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.5
Crew
8.7
Food
7.7
Comfort
8.2
Entertainment
8.0
Overall
8.3
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
EWR - NRT
Boarding
8.5
Crew
8.7
Food
7.7
Comfort
8.2
Entertainment
8.0
Overall
8.3
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
EWR - NRT
Related info for your journey
Find useful and relevant information for your journey from Dulles Intl to Osaka. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Osaka?
Book flights to Osaka if you plan to visit one of these locationsNara
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Other flights to Osaka
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Dulles Intl and Osaka flights
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Other flights from Dulles Intl
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Consider these flights traveling from Dulles Intl to Osaka.
Top airline flying from Dulles Intl to Osaka
Discover the top airline that operate flights from Dulles Intl to Osaka. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$964 | Average$1,356 | FlexibilityNo cancel fee | On-time80% |