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Tallinn

$517+ Cheap flights from Colorado 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 4/19. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — TLL
Jan 16 — Jan 231
Fri 1/16
Fri 1/23
1 adult, Economy
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Cheap flight deals from Colorado to Tallinn

Best flights from Colorado to Tallinn
Discover carefully curated flight deals from Colorado to Tallinn that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 17, 2025.

This KLM deal was found by Cheapflights users on 12/15. 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.
Sun 4/196:25 pmDEN - TLL
2 stops16h 30mKLM
Mon 4/277:30 amTLL - DEN
2 stops23h 08mKLM
Deal found 12/15$517
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.
Fri 1/307:20 pmDEN - TLL
1 stop30h 10mTurkish Airlines
Fri 2/611:25 amTLL - DEN
1 stop39h 10mTurkish Airlines
Deal found 12/16$603
This KLM deal was found by Cheapflights users on 12/15. 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.
Tue 4/214:00 pmDEN - TLL
2 stops18h 55mKLM
Tue 4/287:30 amTLL - DEN
2 stops21h 28mKLM
Deal found 12/15$517
This KLM deal was found by Cheapflights users on 12/15. 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.
Thu 1/296:40 amDEN - TLL
2 stops21h 40mKLM
Thu 2/57:25 amTLL - DEN
2 stops21h 40mKLM
Deal found 12/15$519
This oojo deal was found by Cheapflights users on 12/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/198:25 pmDEN - TLL
1 stop37h 15mTurkish Airlines
Mon 4/2711:15 amTLL - DEN
1 stop40h 10mTurkish Airlines
Deal found 12/15$627
This KLM deal was found by Cheapflights users on 12/15. 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.
Tue 3/2410:31 amDEN - TLL
2 stops18h 49mKLM
Thu 4/27:30 amTLL - DEN
2 stops21h 21mKLM
Deal found 12/15$635

Find flight deals from Colorado to Tallinn

Keep the following information in mind while searching for Colorado to Tallinn flight deals. Data was last updated December 17, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$517
(KLM)

Popular in

January

Cheapest in

November

Average price

$679
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 Colorado to Tallinn
Search Deals
Highest demand for flights based on searches. 63% potential increase in price ($2,205 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 64% potential price decrease ($503 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 Colorado 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 December 17, 2025.
Use the filters below to find and compare flights from Colorado to Tallinn that are best for you.

Fly from

Colorado

Fly to

Tallinn

Route

Depart

Return

Price

DenverTallinn

DEN - TLL

DENTLL

Denver Intl

Sun 4/19

6:25 pm-7:55 pm

2 stops16h 30m

Tallinn

Mon 4/27

7:30 am-9:38 pm

2 stops23h 08m

$517

DenverTallinn

DEN - TLL

DENTLL

Denver Intl

Tue 4/21

4:00 pm-7:55 pm

2 stops18h 55m

Tallinn

Tue 4/28

7:30 am-7:58 pm

2 stops21h 28m

$517

DenverTallinn

DEN - TLL

DENTLL

Denver Intl

Thu 1/29

6:40 am-1:20 pm

2 stops21h 40m

Tallinn

Thu 2/5

7:25 am-8:05 pm

2 stops21h 40m

$519

DenverTallinn

DEN - TLL

DENTLL

Denver Intl

Fri 1/30

7:20 pm-10:30 am

1 stop30h 10m

Tallinn

Fri 2/6

11:25 am-5:35 pm

1 stop39h 10m

$603

DenverTallinn

DEN - TLL

DENTLL

Denver Intl

Sun 4/19

8:25 pm-6:40 pm

1 stop37h 15m

Tallinn

Mon 4/27

11:15 am-6:25 pm

1 stop40h 10m

$627

DenverTallinn

DEN - TLL

DENTLL

Denver Intl

Tue 3/24

10:31 am-1:20 pm

2 stops18h 49m

Tallinn

Thu 4/2

7:30 am-7:51 pm

2 stops21h 21m

$635

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Best time to book a flight from Colorado to Tallinn

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

What is the cheapest time of day to fly from CO to TLL?

Find hourly flight availability from Colorado 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 December 17, 2025.

A simple way to save on the total cost of your ticket is to fly from Colorado to Tallinn in the morning. If you’re flexible enough to do this you can expect to save up to 41% on your trip compared to booking a flight in the evening.

How much does it cost to fly round-trip from Colorado to Tallinn?

Related info for your journey

Find useful and relevant information for your journey from Colorado to Tallinn. 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 into for flights to Tallinn from Colorado?

    If you book a flight to Tallinn from Colorado, you will be flying to Tallinn, which is the city’s only airport. Tallinn (TLL) is located 2.1 mi from the center of Tallinn.

  • How long is the flight from Colorado to Tallinn?

    A quick flight from Colorado to Tallinn can take about 16h 30m. KLM provides one of the quickest options available for as low as $517. Colorado and Tallinn are separated by a distance of 4994 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Colorado 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 Colorado to Tallinn

Discover the top 3 airlines that operate flights from Colorado 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 December 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$609Average$722FlexibilityNo cancel feeOn-time76%
FinnairCheapest$616Average$640FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$633Average$898FlexibilityNo cancel feeOn-time69%

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