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$372+ Cheap flights from Denver (DEN) 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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — OSA
Sep 2 — Sep 91
Tue 9/2
Tue 9/9
1 adult, Economy
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Cheapflights Tip: The best prices from Denver Intl to Osaka are usually found in September or October, booked 48 days in advance, depart on a Monday or Tuesday and return on a Tuesday

Cheap flight deals from Denver to Osaka

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) 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 August 28, 2025.

Round-trip from

$865
(Gurufare)

One-way from

$372
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$1,679
From Denver Intl to Osaka (OSA)
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One-way flight from Denver Intl to Osaka (OSA)
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Highest demand for flights based on searches. 12% potential increase in price ($202 potential increase over avg. RT price).
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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 August 2025
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Find flight deals from Denver to Osaka

Cheapest flights from Denver to Osaka
Explore the most affordable flight options available from Denver to Osaka. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 28, 2025.

This Gurufare deal was found by Cheapflights users on 8/26. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/206:25 amDEN - KIX
2 stops36h 35mChina Eastern
Thu 11/279:30 amKIX - DEN
2 stops25h 18mChina Eastern
Deal found 8/26$865
This Gurufare deal was found by Cheapflights users on 8/26. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/206:25 amDEN - KIX
2 stops36h 35mChina Eastern
Tue 12/29:30 amKIX - DEN
2 stops24h 39mChina Eastern
Deal found 8/26$911
This FlightHub deal was found by Cheapflights users on 8/26. 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 9/2911:25 amDEN - KIX
1 stop38h 00mAir Canada
Tue 10/76:05 pmKIX - DEN
2 stops38h 58mAir Canada
Deal found 8/26$933
This Air Canada deal was found by Cheapflights users on 8/26. 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 9/27:49 pmDEN - KIX
1 stop29h 36mAir Canada
Tue 9/96:05 pmKIX - DEN
1 stop13h 28mAir Canada
Deal found 8/26$939
This FlightHub deal was found by Cheapflights users on 8/27. 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.
Sat 11/87:05 pmDEN - KIX
1 stop30h 35mAir Canada
Sat 11/157:25 pmKIX - DEN
2 stops38h 38mAir Canada
Deal found 8/27$943
This Air Canada deal was found by Cheapflights users on 8/26. 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.
Thu 11/207:05 pmDEN - KIX
1 stop30h 35mAir Canada
Thu 11/277:25 pmKIX - DEN
1 stop14h 19mAir Canada
Deal found 8/26$947
This Air Canada deal was found by Cheapflights users on 8/26. 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.
Sat 10/256:05 pmDEN - KIX
1 stop32h 35mAir Canada
Sat 11/17:25 pmKIX - DEN
1 stop13h 19mAir Canada
Deal found 8/26$955
This FlightHub deal was found by Cheapflights users on 8/26. 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 9/2911:25 amDEN - KIX
1 stop38h 00mAir Canada
Wed 10/88:30 amKIX - DEN
2 stops23h 48mAir Canada
Deal found 8/26$960
This FlightHub deal was found by Cheapflights users on 8/26. 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.
Sat 10/189:10 pmDEN - KIX
2 stops28h 15mAir Canada
Wed 10/226:05 pmKIX - DEN
1 stop30h 59mAir Canada
Deal found 8/26$961
This Trip.com deal was found by Cheapflights users on 8/25. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/106:00 amDEN - ITM
2 stops22h 55mMultiple Airlines
Fri 10/177:05 amITM - DEN
2 stops32h 47mMultiple Airlines
Deal found 8/25$1,088
This United Airlines deal was found by Cheapflights users on 8/26. 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 9/279:10 pmDEN - ITM
2 stops28h 55mUnited Airlines
Tue 10/712:00 pmITM - DEN
2 stops35h 28mUnited Airlines
Deal found 8/26$1,127
This KAYAK deal was found by Cheapflights users on 8/26. 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 9/291:30 pmDEN - ITM
2 stops28h 35mANA
Thu 10/97:05 amITM - DEN
1 stop20h 00mANA
Deal found 8/26$1,139

Cheapflights Fare Finder

 
Customize your flight search to find flights from Denver 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 August 28, 2025.
Use the filters below to find and compare flights from Denver to Osaka that are best for you.

Fly from

Denver

Fly to

Osaka

Route

Depart

Return

Price

DenverOsaka

DEN - KIX

DENKIX

Denver Intl

Thu 11/20

6:25 am-11:00 am

2 stops36h 35m

Osaka Kansai Intl

Thu 11/27

9:30 am-6:48 pm

2 stops25h 18m

$865

DenverOsaka

DEN - KIX

DENKIX

Denver Intl

Thu 11/20

6:25 am-11:00 am

2 stops36h 35m

Osaka Kansai Intl

Tue 12/2

9:30 am-6:09 pm

2 stops24h 39m

$911

DenverOsaka

DEN - KIX

DENKIX

Denver Intl

Mon 9/29

11:25 am-4:25 pm

1 stop38h 00m

Osaka Kansai Intl

Tue 10/7

6:05 pm-6:03 pm

2 stops38h 58m

$933

DenverOsaka

DEN - KIX

DENKIX

Denver Intl

Tue 9/2

7:21 pm-4:25 pm

2 stops30h 04m

Osaka Kansai Intl

Tue 9/9

6:05 pm-9:23 pm

1 stop18h 18m

$939

DenverOsaka

DEN - KIX

DENKIX

Denver Intl

Sat 11/8

9:05 pm-5:40 pm

2 stops28h 35m

Osaka Kansai Intl

Sat 11/15

7:25 pm-6:03 pm

2 stops38h 38m

$939

DenverOsaka

DEN - KIX

DENKIX

Denver Intl

Thu 11/20

7:26 pm-5:40 pm

2 stops30h 14m

Osaka Kansai Intl

Thu 11/27

7:25 pm-5:44 pm

1 stop14h 19m

$947

DenverOsaka

DEN - KIX

DENKIX

Denver Intl

Fri 10/31

8:45 am-5:40 pm

1 stop17h 55m

Osaka Kansai Intl

Mon 11/24

7:25 pm-8:53 am

2 stops29h 28m

$955

DenverOsaka

DEN - KIX

DENKIX

Denver Intl

Sat 10/25

6:05 pm-5:40 pm

1 stop32h 35m

Osaka Kansai Intl

Sat 11/1

7:25 pm-5:44 pm

1 stop13h 19m

$955

DenverOsaka

DEN - ITM

DENITM

Denver Intl

Fri 10/10

6:00 am-7:55 pm

2 stops22h 55m

Osaka Itami

Fri 10/17

7:05 am-12:52 am

2 stops32h 47m

$1,088

DenverOsaka

DEN - ITM

DENITM

Denver Intl

Sun 9/28

8:01 am-5:05 pm

2 stops42h 04m

Osaka Itami

Wed 10/8

12:00 pm-8:48 pm

2 stops23h 48m

$1,127

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/26

Showing 1-10 of 46 results
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Best time to book a flight from Denver to Osaka

Have a flexible travel schedule? Discover the best time to fly to Osaka from Denver 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 Denver to Osaka

How far ahead should I book a flight from Denver to Osaka?

Use this chart to determine the optimal time to book a round-trip flight from Denver to Osaka. Price data was last updated on August 22, 2025.

The best time to book flights from Denver to Osaka is 48 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Denver to Osaka?

Currently, February is the cheapest month in which you can book a flight from Denver to Osaka (average of $873). Flying from Denver to Osaka in June is currently the most expensive (average of $1,313). 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 is the cheapest time of day to fly from DEN to OSA?

Find hourly flight availability from Denver 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 August 28, 2025.

One of the essential ways to save on airfare from Denver to Osaka is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 5% on airfare.

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 August 28, 2025.
See what other customers who have flown with ANA, Japan Airlines, and Asiana Airlines from Denver 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.
ANA
8.4
Very good
941 reviews

Crew

8.7

Boarding

8.6

Entertainment

7.9

Comfort

8.2

Overall

8.4

Food

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

SFO - NRT

ANA ground and flight crew are the best their is They are now officially my Airline of choice Crew are very attentive, friendly, sincere, helpful and respond to queries accurately, promptly and gives you the peace of mind when travelling Salute to the World’s Best Airline for me
ANA
8.4
Very good
941 reviews
ANA
8.4
Very good
941 reviews

Crew

8.7

Boarding

8.6

Entertainment

7.9

Comfort

8.2

Overall

8.4

Food

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

SFO - NRT

ANA ground and flight crew are the best their is They are now officially my Airline of choice Crew are very attentive, friendly, sincere, helpful and respond to queries accurately, promptly and gives you the peace of mind when travelling Salute to the World’s Best Airline for me
Japan Airlines
8.3
Very good
1,553 reviews
ANA
8.4
Very good
941 reviews

Crew

8.7

Boarding

8.6

Entertainment

7.9

Comfort

8.2

Overall

8.4

Food

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

SFO - NRT

ANA ground and flight crew are the best their is They are now officially my Airline of choice Crew are very attentive, friendly, sincere, helpful and respond to queries accurately, promptly and gives you the peace of mind when travelling Salute to the World’s Best Airline for me
Asiana Airlines
8.2
Very good
477 reviews
ANA
8.4
Very good
941 reviews

Crew

8.7

Boarding

8.6

Entertainment

7.9

Comfort

8.2

Overall

8.4

Food

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

SFO - NRT

ANA ground and flight crew are the best their is They are now officially my Airline of choice Crew are very attentive, friendly, sincere, helpful and respond to queries accurately, promptly and gives you the peace of mind when travelling Salute to the World’s Best Airline for me
United Airlines
7.4
Good
8,944 reviews
ANA
8.4
Very good
941 reviews

Crew

8.7

Boarding

8.6

Entertainment

7.9

Comfort

8.2

Overall

8.4

Food

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

SFO - NRT

ANA ground and flight crew are the best their is They are now officially my Airline of choice Crew are very attentive, friendly, sincere, helpful and respond to queries accurately, promptly and gives you the peace of mind when travelling Salute to the World’s Best Airline for me
Air Canada
7.1
Good
10,000 reviews
ANA
8.4
Very good
941 reviews

Crew

8.7

Boarding

8.6

Entertainment

7.9

Comfort

8.2

Overall

8.4

Food

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

SFO - NRT

ANA ground and flight crew are the best their is They are now officially my Airline of choice Crew are very attentive, friendly, sincere, helpful and respond to queries accurately, promptly and gives you the peace of mind when travelling Salute to the World’s Best Airline for me

Related info for your journey

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

  • What airport do you fly from for flights from Denver to Osaka?

    Denver Intl (DEN) is the airport you will fly out of if you book a flight from Denver to Osaka. You should not have trouble finding flights to Osaka from Denver Intl; the airport handles an average of 0 outbound flights to Osaka per day. You should also have plenty of airline options to choose from since 3 airlines have flights from the Denver airport to Osaka. It is only a 18.5 mi journey to Denver Intl (DEN) from Denver’s city center.

  • How long is the flight from Denver to Osaka?

    China Eastern, Air Canada, and United Airlines can get you from Denver to Osaka in just under 36h 35m. Your travel time can differ by up to 5h 29m. Denver and Osaka are separated by a distance of 6036 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Denver to Osaka round-trip?

    Currently priced at $807, Air Canada will fly you from Denver to Osaka and back. In addition to Air Canada, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and ANA - these airlines can fly you to your destination from $1,216 and $1,236, respectively. Users have found that Air Canada is 44% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Denver to Osaka one-way?

    The cheapest airline one-way is Korean Air, with whom users have recently found tickets for as low as $619. However, be on the lookout for offers from ANA and STARLUX Airlines, as they are both options that can get you from Denver to Osaka for a low price.

  • What are the most popular routes from Denver to Osaka?

    When deciding which route to take from Denver to Osaka consider Denver Intl - Osaka Kansai Intl, Denver Intl - Osaka Itami or Denver Intl - Kobe as they are the most popular.

  • Can I find deals for flights from Denver to Osaka that include hotel bookings?

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

  • How can I find direct flights from Denver to Osaka?

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

  • Can I find deals for business class flights from Denver to Osaka?

    Yes. Cheapflights offers flight deals from Denver 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 Denver to Osaka?

    Currently, February is the cheapest month in which you can book a flight from Denver to Osaka (average of $873). Flying from Denver to Osaka in June is currently the most expensive (average of $1,313). 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

Traveling to a place near Osaka?

Book flights to Osaka if you plan to visit one of these locations
Nara
Nishinomiya

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Alternative routes for Denver to Osaka

See prices for flight routes from nearby airports that may be better suited for you.
Denver to Kansai Intl flights
Denver to Itami flights
Colorado Springs to Kansai Intl flights

Top 3 airlines flying from Denver to Osaka

Discover the top 3 airlines that operate flights from Denver 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 August 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$807Average$1,312FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$1,216Average$1,824FlexibilityNo cancel feeOn-time69%
ANACheapest$1,236Average$1,665FlexibilityNo cancel feeOn-time80%

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