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Tallinn

$639+ 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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — TLL
Aug 22 — Aug 291
Fri 8/22
Fri 8/29
1 adult, Economy
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Cheap 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 August 17, 2025.

Round-trip from

$639
(Orbitz)

Popular in

January

Cheapest in

February

Average price

$689
From Denver Intl to Tallinn
Search Deals
Highest demand for flights based on searches. 50% potential increase in price ($1,267 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 57% potential price decrease ($460 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
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Find 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 August 17, 2025.

This Orbitz deal was found by Cheapflights users on 8/15. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/106:35 pmDEN - TLL
2 stops18h 20mMultiple Airlines
Wed 9/176:00 amTLL - DEN
2 stops19h 25mMultiple Airlines
Deal found 8/15$639
This United Airlines deal was found by Cheapflights users on 8/15. 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.
Wed 9/103:50 pmDEN - TLL
1 stop23h 30mUnited Airlines
Wed 9/176:00 amTLL - DEN
1 stop18h 35mUnited Airlines
Deal found 8/15$680
This Scandinavian Airlines deal was found by Cheapflights users on 8/15. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/106:50 amDEN - TLL
2 stops23h 20mScandinavian Airlines
Wed 9/177:00 amTLL - DEN
3 stops23h 52mScandinavian Airlines
Deal found 8/15$1,063

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 August 17, 2025.
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

Wed 9/10

6:35 pm-7:35 pm

2 stops16h 00m

Tallinn

Wed 9/17

6:00 am-4:25 pm

2 stops19h 25m

$639

DenverTallinn

DEN - TLL

DENTLL

Denver Intl

Wed 9/10

3:50 pm-12:20 am

1 stop23h 30m

Tallinn

Wed 9/17

6:00 am-3:35 pm

1 stop18h 35m

$680

DenverTallinn

DEN - TLL

DENTLL

Denver Intl

Wed 9/10

6:50 am-3:10 pm

2 stops23h 20m

Tallinn

Wed 9/17

7:00 am-9:52 pm

3 stops23h 52m

$1,063

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/15

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.

Cheapflights Insights

Everything you need to know about your flight from Denver to Tallinn

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

Currently, November is the cheapest month in which you can book a flight from Denver to Tallinn (average of $550). Flying from Denver to Tallinn in June is currently the most expensive (average of $967). 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 TLL?

Find hourly flight availability from Denver to Tallinn. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 17, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 63% on flights from Denver to Tallinn by exploring options for tickets in the morning.

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 August 17, 2025.
Read reviews from past customers who have flown KLM, Finnair, and United Airlines 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.
KLM
7.8
Good
1,385 reviews

Food

7.3

Crew

8.4

Boarding

7.8

Overall

7.8

Entertainment

7.1

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,385 reviews
KLM
7.8
Good
1,385 reviews

Food

7.3

Crew

8.4

Boarding

7.8

Overall

7.8

Entertainment

7.1

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Finnair
7.6
Good
1,321 reviews
KLM
7.8
Good
1,385 reviews

Food

7.3

Crew

8.4

Boarding

7.8

Overall

7.8

Entertainment

7.1

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
United Airlines
7.4
Good
8,919 reviews
KLM
7.8
Good
1,385 reviews

Food

7.3

Crew

8.4

Boarding

7.8

Overall

7.8

Entertainment

7.1

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Lufthansa
6.8
Okay
7,325 reviews
KLM
7.8
Good
1,385 reviews

Food

7.3

Crew

8.4

Boarding

7.8

Overall

7.8

Entertainment

7.1

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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.

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

    Currently priced at $518, KLM will fly you from Denver to Tallinn and back. In addition to KLM, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Finnair and Lufthansa - these airlines can fly you to your destination from $616 and $657, respectively. You may be able to fly from Denver to Tallinn for 58% 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.

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

    Currently, November is the cheapest month in which you can book a flight from Denver to Tallinn (average of $550). Flying from Denver to Tallinn in June is currently the most expensive (average of $967). 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

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Top 4 airlines flying from Denver to Tallinn

Discover the top 4 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 August 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$518Average$619FlexibilityNo cancel feeOn-time75%
FinnairCheapest$616Average$920FlexibilityNo cancel feeOn-time76%
LufthansaCheapest$657Average$876FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$677Average$965FlexibilityNo cancel feeOn-time69%

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