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Tallinn

$519+ Cheap flights from Denver (DEN) to Tallinn (TLL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — TLL
Mar 6 — Mar 131
Fri 3/6
Fri 3/13
1 adult, Economy
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Cheap flight deals from Denver to Tallinn

Cheapest flights from Denver to Tallinn
Explore the most affordable flight options available from Denver to Tallinn. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 4, 2026.

This KLM deal was found by Cheapflights users on 2/3. 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 4/2110:19 am
DEN
-
TLL
2 stops17h 56m
KLM
Tue 4/287:30 am
TLL
-
DEN
2 stops21h 34m
KLM
Deal found 2/3$519
This KLM deal was found by Cheapflights users on 2/1. 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 3/2412:51 pm
DEN
-
TLL
2 stops16h 29m
Multiple Airlines
Thu 4/27:20 am
TLL
-
DEN
2 stops18h 47m
Multiple Airlines
Deal found 2/1$527
This Finnair deal was found by Cheapflights users on 2/3. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/196:40 pm
DEN
-
TLL
2 stops19h 00m
Finnair
Mon 4/2711:05 pm
TLL
-
DEN
2 stops29h 50m
Finnair
Deal found 2/3$582
This United Airlines deal was found by Cheapflights users on 2/3. 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 4/215:40 pm
DEN
-
TLL
1 stop14h 35m
United Airlines
Tue 4/286:10 am
TLL
-
DEN
2 stops22h 45m
United Airlines
Deal found 2/3$590
This United Airlines deal was found by Cheapflights users on 2/3. 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 4/215:40 pm
DEN
-
TLL
1 stop14h 35m
United Airlines
Thu 4/301:55 pm
TLL
-
DEN
2 stops29h 38m
United Airlines
Deal found 2/3$594
This United Airlines deal was found by Cheapflights users on 2/3. 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.
Wed 4/2211:10 am
DEN
-
TLL
2 stops21h 05m
United Airlines
Wed 4/291:50 pm
TLL
-
DEN
2 stops29h 28m
United Airlines
Deal found 2/3$598
This United Airlines deal was found by Cheapflights users on 2/3. 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 4/207:45 am
DEN
-
TLL
2 stops20h 20m
United Airlines
Fri 5/16:10 am
TLL
-
DEN
2 stops23h 18m
United Airlines
Deal found 2/3$599
This United Airlines deal was found by Cheapflights users on 2/1. 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 3/246:00 am
DEN
-
TLL
3 stops23h 10m
United Airlines
Thu 4/21:55 pm
TLL
-
DEN
2 stops29h 23m
United Airlines
Deal found 2/1$600
This oojo deal was found by Cheapflights users on 2/1. 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.
Sun 4/198:25 pm
DEN
-
TLL
1 stop37h 15m
Turkish Airlines
Mon 4/277:35 pm
TLL
-
DEN
1 stop31h 50m
Turkish Airlines
Deal found 2/1$605
This United Airlines deal was found by Cheapflights users on 2/3. 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 4/195:40 pm
DEN
-
TLL
1 stop14h 30m
United Airlines
Tue 4/281:50 pm
TLL
-
DEN
1 stop32h 45m
United Airlines
Deal found 2/3$607

Find flight deals from Denver to Tallinn

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Tallinn (TLL). 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 February 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$519
(KLM)

Popular in

June

Cheapest in

November
Provider with most accurate pricing for Denver Intl-Tallinn flight deals.
Search Deals
Provider most trusted by Cheapflights users for Denver Intl-Tallinn flights.
Search Deals
From Denver Intl to Tallinn
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($174 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($38 potential savings vs. average RT price).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Denver to Tallinn 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 February 4, 2026.
Use the filters below to find and compare flights from Denver to Tallinn that are best for you.

Fly from

Denver

Fly to

Tallinn

Route

Depart

Return

Price

DenverTallinn

DEN - TLL

DENTLL

Denver Intl

Tue 4/21

10:19 am-1:15 pm

2 stops17h 56m

Tallinn

Tue 4/28

7:30 am-9:27 pm

2 stops22h 57m

$519

DenverTallinn

DEN - TLL

DENTLL

Denver Intl

Tue 3/24

12:51 pm-1:20 pm

2 stops16h 29m

Tallinn

Thu 4/2

7:20 am-5:07 pm

2 stops18h 47m

$527

DenverTallinn

DEN - TLL

DENTLL

Denver Intl

Sun 4/19

6:40 pm-10:40 pm

2 stops19h 00m

Tallinn

Mon 4/27

11:05 pm-7:55 pm

2 stops29h 50m

$582

DenverTallinn

DEN - TLL

DENTLL

Denver Intl

Sun 4/19

5:40 pm-5:10 pm

1 stop14h 30m

Tallinn

Thu 4/30

1:55 pm-12:40 pm

2 stops31h 45m

$594

DenverTallinn

DEN - TLL

DENTLL

Denver Intl

Wed 4/22

5:40 pm-5:15 pm

1 stop14h 35m

Tallinn

Wed 4/29

1:50 pm-10:18 am

2 stops29h 28m

$594

DenverTallinn

DEN - TLL

DENTLL

Denver Intl

Mon 4/20

6:00 pm-7:55 pm

2 stops16h 55m

Tallinn

Tue 4/28

7:30 am-9:27 pm

2 stops22h 57m

$594

DenverTallinn

DEN - TLL

DENTLL

Denver Intl

Wed 4/22

5:40 pm-5:15 pm

1 stop14h 35m

Tallinn

Tue 4/28

1:50 pm-12:40 pm

2 stops31h 50m

$594

DenverTallinn

DEN - TLL

DENTLL

Denver Intl

Tue 4/21

3:45 pm-5:15 pm

1 stop16h 30m

Tallinn

Fri 5/1

6:10 am-8:28 pm

2 stops23h 18m

$594

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/1

Compare providers for flights from Denver to Tallinn

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 Tallinn in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
FlightHubPrice Accuracy3 starsTrust Score*3 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-Tallinn flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Denver-Tallinn flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Denver-Tallinn flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Denver-Tallinn flights, Cheapflights users trust FlightHub the most. FlightHub 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-Tallinn 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 Tallinn

Have a flexible travel schedule? Discover the best time to fly to Tallinn 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.

Reviews of airlines servicing Tallinn

Get insights into the airlines that provide service to Tallinn. 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 Tallinn. Reviews last updated February 4, 2026.
Read reviews from past customers who have flown Finnair, United Airlines, and Lufthansa from Denver to Tallinn. 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.
Finnair
7.6
Good
1,357 reviews

Boarding

7.7

Crew

8.2

Entertainment

6.9

Overall

7.6

Comfort

7.5

Food

6.7

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight
Finnair
7.6
Good
1,357 reviews
Finnair
7.6
Good
1,357 reviews

Boarding

7.7

Crew

8.2

Entertainment

6.9

Overall

7.6

Comfort

7.5

Food

6.7

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight
United Airlines
7.4
Good
9,235 reviews
Finnair
7.6
Good
1,357 reviews

Boarding

7.7

Crew

8.2

Entertainment

6.9

Overall

7.6

Comfort

7.5

Food

6.7

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight
Lufthansa
6.8
Okay
7,759 reviews
Finnair
7.6
Good
1,357 reviews

Boarding

7.7

Crew

8.2

Entertainment

6.9

Overall

7.6

Comfort

7.5

Food

6.7

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

Related info for your journey

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

  • How long is the flight from Denver to Tallinn?

    Departing from Denver to Tallinn will take you 17h 56m. The distance from Denver to Tallinn is about 4994 mi.

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

    Currently priced at $609, Lufthansa will fly you from Denver to Tallinn and back. In addition to Lufthansa, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Finnair and United Airlines - these airlines can fly you to your destination from $616 and $633, respectively. You may be able to fly from Denver to Tallinn for 23% less than the average price by searching for these airlines.

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

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

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

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

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

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

See more FAQs

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Top 3 airlines flying from Denver to Tallinn

Discover the top 3 airlines that operate flights from Denver to Tallinn. 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 February 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$609Average$722FlexibilityNo cancel feeOn-time76%
FinnairCheapest$616Average$640FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$633Average$829FlexibilityNo cancel feeOn-time69%

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