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Tallinn

$518+ 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 11/24. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — TLL
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap flight deals from Colorado to Tallinn

Keep the following information in mind while searching for Colorado to Tallinn flight deals. Data was last updated October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$518
(KLM)

Popular in

January

Cheapest in

February

Average price

$590
Provider with most accurate pricing for Denver Intl-Tallinn flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-Tallinn flights.
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From Colorado to Tallinn
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Highest demand for flights based on searches. 51% potential increase in price ($1,295 potential increase over avg. RT price).
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Cheapest flight prices on average. 61% potential price decrease ($463 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Colorado to Tallinn

Cheapest flights from Colorado to Tallinn
Explore the most affordable flight options available from Colorado to Tallinn. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This KLM deal was found by Cheapflights users on 10/28. 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.
Mon 12/812:04 pmDEN - TLL
2 stops16h 16mKLM
Tue 12/167:25 amTLL - DEN
2 stops21h 37mKLM
Deal found 10/28$518
This Mytrip deal was found by Cheapflights users on 10/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2411:15 amDEN - TLL
2 stops16h 40mMultiple Airlines
Tue 12/96:15 amTLL - DEN
1 stop18h 45mMultiple Airlines
Deal found 10/29$562
This Cheapflightsfares deal was found by Cheapflights users on 10/29. 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 11/245:45 pmDEN - TLL
1 stop21h 10mLufthansa
Tue 12/96:15 amTLL - DEN
1 stop18h 45mLufthansa
Deal found 10/29$579
This United Airlines deal was found by Cheapflights users on 10/28. 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 12/85:45 pmDEN - TLL
1 stop14h 25mUnited Airlines
Wed 12/176:00 amTLL - DEN
2 stops19h 40mUnited Airlines
Deal found 10/28$592
This United Airlines deal was found by Cheapflights users on 10/28. 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 12/75:45 pmDEN - TLL
1 stop21h 05mUnited Airlines
Tue 12/166:15 amTLL - DEN
2 stops19h 15mUnited Airlines
Deal found 10/28$596
This FlightHub deal was found by Cheapflights users on 10/30. 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.
Wed 12/39:54 amDEN - TLL
2 stops25h 11mMultiple Airlines
Mon 12/86:05 pmTLL - DEN
1 stop30h 55mMultiple Airlines
Deal found 10/30$601
This United Airlines deal was found by Cheapflights users on 10/30. 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 12/35:45 pmDEN - TLL
1 stop14h 25mUnited Airlines
Mon 12/81:40 pmTLL - DEN
1 stop35h 20mUnited Airlines
Deal found 10/30$605
This United Airlines deal was found by Cheapflights users on 10/28. 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 12/75:45 pmDEN - TLL
1 stop14h 25mUnited Airlines
Mon 12/156:05 pmTLL - DEN
2 stops33h 05mUnited Airlines
Deal found 10/28$615
This Air Canada deal was found by Cheapflights users on 10/28. 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 12/711:15 amDEN - TLL
2 stops16h 35mAir Canada
Mon 12/156:40 amTLL - DEN
2 stops22h 15mAir Canada
Deal found 10/28$628
This oojo deal was found by Cheapflights users on 10/29. 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.
Tue 12/97:20 pmDEN - TLL
1 stop30h 10mTurkish Airlines
Mon 12/156:55 pmTLL - DEN
1 stop31h 40mTurkish Airlines
Deal found 10/29$632

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 October 30, 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

Wed 12/3

11:12 am-1:20 pm

2 stops17h 08m

Tallinn

Mon 12/8

7:25 am-8:30 pm

2 stops22h 05m

$518

DenverTallinn

DEN - TLL

DENTLL

Denver Intl

Mon 12/8

11:36 am-1:20 pm

2 stops16h 44m

Tallinn

Mon 12/15

2:00 pm-11:45 pm

2 stops18h 45m

$518

DenverTallinn

DEN - TLL

DENTLL

Denver Intl

Mon 12/8

12:04 pm-1:20 pm

2 stops16h 16m

Tallinn

Tue 12/16

7:25 am-8:02 pm

2 stops21h 37m

$518

DenverTallinn

DEN - TLL

DENTLL

Denver Intl

Tue 12/9

11:12 am-1:20 pm

2 stops17h 08m

Tallinn

Mon 12/15

2:00 pm-11:45 pm

2 stops18h 45m

$518

DenverTallinn

DEN - TLL

DENTLL

Denver Intl

Tue 12/9

12:04 pm-1:20 pm

2 stops16h 16m

Tallinn

Tue 12/16

2:00 pm-11:45 pm

2 stops18h 45m

$518

DenverTallinn

DEN - TLL

DENTLL

Denver Intl

Mon 11/24

11:08 am-1:20 pm

2 stops17h 12m

Tallinn

Tue 12/9

7:25 am-5:52 pm

2 stops19h 27m

$518

DenverTallinn

DEN - TLL

DENTLL

Denver Intl

Wed 12/10

11:36 am-1:20 pm

2 stops16h 44m

Tallinn

Tue 12/16

2:00 pm-11:45 pm

2 stops18h 45m

$518

DenverTallinn

DEN - TLL

DENTLL

Denver Intl

Wed 12/10

12:04 pm-1:20 pm

2 stops16h 16m

Tallinn

Mon 12/15

7:25 am-7:42 pm

2 stops21h 17m

$518

DenverTallinn

DEN - TLL

DENTLL

Denver Intl

Thu 4/2

4:00 pm-7:55 pm

2 stops18h 55m

Tallinn

Mon 4/6

7:30 am-10:49 pm

2 stops24h 19m

$570

DenverTallinn

DEN - TLL

DENTLL

Denver Intl

Mon 12/8

5:45 pm-5:10 pm

1 stop14h 25m

Tallinn

Wed 12/17

6:00 am-4:40 pm

2 stops19h 40m

$592

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

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 month to book a flight from Colorado to Tallinn?

Currently, November is the cheapest month in which you can book a flight from Colorado to Tallinn (average of $525). Flying from Colorado to Tallinn in September is currently the most expensive (average of $833). 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 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 October 30, 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.

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 17h 08m. KLM provides one of the quickest options available for as low as $518. 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.

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

    Currently, November is the cheapest month in which you can book a flight from Colorado to Tallinn (average of $525). Flying from Colorado to Tallinn in September is currently the most expensive (average of $833). 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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Alternative routes for Colorado to Tallinn

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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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$609Average$902FlexibilityNo cancel feeOn-time76%
FinnairCheapest$616Average$791FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$659Average$954FlexibilityNo cancel feeOn-time69%

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