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$415+ 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 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — OSA
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheapflights Tip: The best prices from Denver Intl to Osaka are usually found in December or October, booked 15 days in advance, depart on a Monday or Tuesday and return on a Tuesday

Cheap 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 December 18, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 12/16. 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.
Sun 12/287:47 amDEN - KIX
1 stop16h 53mANA
Thu 3/52:05 pmKIX - DEN
2 stops21h 10mANA
Deal found 12/16$1,258
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Sun 12/285:35 amDEN - KIX
1 stop19h 05mUnited Airlines
Thu 3/56:35 pmKIX - DEN
1 stop17h 40mUnited Airlines
Deal found 12/16$1,279
This Air Canada deal was found by Cheapflights users on 12/17. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/288:45 amDEN - KIX
2 stops19h 50mMultiple Airlines
Thu 3/57:25 pmKIX - DEN
2 stops29h 29mMultiple Airlines
Deal found 12/17$1,424
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Sat 12/276:00 pmDEN - KIX
1 stop30h 40mUnited Airlines
Sat 1/1011:20 amKIX - DEN
2 stops37h 32mUnited Airlines
Deal found 12/17$1,488
This Ovago deal was found by Cheapflights users on 12/16. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/277:47 amDEN - KIX
1 stop16h 53mANA
Sat 1/109:10 pmKIX - DEN
2 stops38h 27mANA
Deal found 12/16$1,489
This Air Canada deal was found by Cheapflights users on 12/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/288:45 amDEN - ITM
2 stops18h 10mMultiple Airlines
Thu 3/52:05 pmITM - DEN
2 stops19h 39mMultiple Airlines
Deal found 12/16$1,563
This Cheapflightsfares deal was found by Cheapflights users on 12/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/297:47 amDEN - KIX
1 stop16h 53mANA
Wed 1/73:45 pmKIX - DEN
2 stops19h 52mANA
Deal found 12/17$1,592
This United Airlines deal was found by Cheapflights users on 12/17. 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 12/297:37 pmDEN - KIX
2 stops29h 03mUnited Airlines
Wed 1/78:20 amKIX - DEN
2 stops25h 58mUnited Airlines
Deal found 12/17$1,630
This Ovago deal was found by Cheapflights users on 12/17. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/277:47 amDEN - ITM
2 stops19h 08mANA
Sat 1/102:05 pmITM - DEN
1 stop14h 05mANA
Deal found 12/17$1,677
This Cheapflightsfares deal was found by Cheapflights users on 12/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2811:25 amDEN - ITM
1 stop15h 30mANA
Thu 3/54:50 pmITM - DEN
2 stops18h 25mANA
Deal found 12/17$1,752
This FlightHub deal was found by Cheapflights users on 12/17. 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.
Mon 12/298:11 pmDEN - ITM
2 stops19h 29mJapan Airlines
Wed 1/73:25 pmITM - DEN
2 stops19h 28mJapan Airlines
Deal found 12/17$1,762
This oojo deal was found by Cheapflights users on 12/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/296:02 amDEN - UKB
2 stops35h 58mEVA Air
Wed 1/711:00 amUKB - DEN
2 stops45h 13mEVA Air
Deal found 12/16$1,994

Find 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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$940
(FlightHub)

One-way from

$415
(Trip.com)

Popular in

June

Cheapest in

December

Average price

$807
Provider with most accurate pricing for Denver Intl-Osaka (OSA) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Denver Intl-Osaka (OSA) flights.
Search Deals
From Denver Intl to Osaka (OSA)
Search Deals
One-way flight from Denver Intl to Osaka (OSA)
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($292 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($48 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 18, 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 - ITM

DENITM

Denver Intl

Sun 2/1

7:00 am-7:55 pm

2 stops20h 55m

Osaka Itami

Fri 2/13

2:30 pm-7:33 pm

2 stops21h 03m

$948

DenverOsaka

DEN - KIX

DENKIX

Denver Intl

Sun 2/1

7:47 am-4:40 pm

1 stop16h 53m

Osaka Kansai Intl

Fri 2/13

6:35 pm-4:34 pm

1 stop13h 59m

$955

DenverOsaka

DEN - ITM

DENITM

Denver Intl

Sun 1/25

11:25 am-6:55 pm

1 stop15h 30m

Osaka Itami

Thu 2/26

4:50 pm-6:59 pm

2 stops18h 09m

$957

DenverOsaka

DEN - KIX

DENKIX

Denver Intl

Tue 2/3

7:47 am-4:40 pm

1 stop16h 53m

Osaka Kansai Intl

Fri 2/13

8:20 am-7:28 pm

2 stops27h 08m

$961

DenverOsaka

DEN - KIX

DENKIX

Denver Intl

Sun 2/1

5:18 am-4:40 pm

1 stop19h 22m

Osaka Kansai Intl

Wed 2/11

6:35 pm-4:37 pm

1 stop14h 02m

$969

DenverOsaka

DEN - KIX

DENKIX

Denver Intl

Tue 2/3

5:18 am-4:40 pm

1 stop19h 22m

Osaka Kansai Intl

Tue 2/17

8:20 am-6:23 pm

2 stops26h 03m

$971

DenverOsaka

DEN - KIX

DENKIX

Denver Intl

Sun 2/1

7:47 am-4:40 pm

1 stop16h 53m

Osaka Kansai Intl

Tue 2/17

8:20 am-10:30 pm

2 stops30h 10m

$971

DenverOsaka

DEN - KIX

DENKIX

Denver Intl

Sat 1/31

11:59 pm-4:40 pm

2 stops24h 41m

Osaka Kansai Intl

Fri 2/13

6:35 pm-11:35 pm

2 stops21h 00m

$974

DenverOsaka

DEN - KIX

DENKIX

Denver Intl

Mon 2/2

8:32 pm-4:40 pm

2 stops28h 08m

Osaka Kansai Intl

Fri 2/13

6:35 pm-6:25 pm

1 stop15h 50m

$974

DenverOsaka

DEN - KIX

DENKIX

Denver Intl

Sun 2/1

6:29 am-8:45 pm

2 stops22h 16m

Osaka Kansai Intl

Fri 2/13

9:00 am-8:14 pm

2 stops27h 14m

$983

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 46 results
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Compare providers for flights from Denver 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 Denver to Osaka in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Denver-Osaka flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Denver-Osaka flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Denver-Osaka flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Denver-Osaka flights, Cheapflights users trust eDreams the most. eDreams 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 Denver-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 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 December 12, 2025.

The best time to book flights from Denver to Osaka is 15 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, October is the cheapest month in which you can book a flight from Denver to Osaka (average of $197). Flying from Denver to Osaka in December is currently the most expensive (average of $1,627). 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 December 18, 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 afternoon tend to be the most expensive. A flight in the morning could potentially save you up to 19% 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 December 18, 2025.
See what other customers who have flown with ANA, Japan Airlines, and United 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
1,030 reviews

Food

7.8

Boarding

8.6

Entertainment

8.0

Crew

8.7

Overall

8.4

Comfort

8.2

Reviews

1 / 20
10.0
Excellent

Julie,Sep 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.
ANA
8.4
Very good
1,030 reviews
ANA
8.4
Very good
1,030 reviews

Food

7.8

Boarding

8.6

Entertainment

8.0

Crew

8.7

Overall

8.4

Comfort

8.2

Reviews

1 / 20
10.0
Excellent

Julie,Sep 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.
Japan Airlines
8.3
Very good
1,662 reviews
ANA
8.4
Very good
1,030 reviews

Food

7.8

Boarding

8.6

Entertainment

8.0

Crew

8.7

Overall

8.4

Comfort

8.2

Reviews

1 / 20
10.0
Excellent

Julie,Sep 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.
United Airlines
7.4
Good
9,092 reviews
ANA
8.4
Very good
1,030 reviews

Food

7.8

Boarding

8.6

Entertainment

8.0

Crew

8.7

Overall

8.4

Comfort

8.2

Reviews

1 / 20
10.0
Excellent

Julie,Sep 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.
China Eastern
7.2
Good
178 reviews
ANA
8.4
Very good
1,030 reviews

Food

7.8

Boarding

8.6

Entertainment

8.0

Crew

8.7

Overall

8.4

Comfort

8.2

Reviews

1 / 20
10.0
Excellent

Julie,Sep 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.
Air Canada
7.1
Good
10,534 reviews
ANA
8.4
Very good
1,030 reviews

Food

7.8

Boarding

8.6

Entertainment

8.0

Crew

8.7

Overall

8.4

Comfort

8.2

Reviews

1 / 20
10.0
Excellent

Julie,Sep 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.

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?

    Japan Airlines, ANA, and United Airlines can get you from Denver to Osaka in just under 16h 53m. Your travel time can differ by up to 4h 02m. 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 $696, ANA will fly you from Denver to Osaka and back. In addition to ANA, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and United Airlines - these airlines can fly you to your destination from $804 and $1,442, respectively. Users have found that ANA is 48% cheaper than the other options available to this destination.

  • 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, October is the cheapest month in which you can book a flight from Denver to Osaka (average of $197). Flying from Denver to Osaka in December is currently the most expensive (average of $1,627). 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

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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 Osaka 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
ANACheapest$696Average$1,783FlexibilityNo cancel feeOn-time80%
Air CanadaCheapest$804Average$1,238FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$1,442Average$1,765FlexibilityNo cancel feeOn-time69%

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