HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Tallinn

$646+ 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 7/16. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — TLL
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Colorado to Tallinn with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 March 31, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$646
(KLM)

Popular in

January

Cheapest in

November

Average price

$852
Provider with most accurate pricing for Denver Intl-Tallinn Ulemiste flight deals.
Search Deals
Provider most trusted by Cheapflights users for Denver Intl-Tallinn Ulemiste flights.
Search Deals
From Colorado to Tallinn Ulemiste
Search Deals
Highest demand for flights based on searches. 48% potential increase in price ($1,252 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 50% potential price decrease ($451 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
Search Deals

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 March 31, 2025.

This KLM deal was found by Cheapflights users on 3/30. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1610:30 amDEN - TLL
2 stops17h 45mKLM
Fri 8/296:20 amTLL - DEN
2 stops21h 18mKLM
Deal found 3/30$646
This Turkish Airlines deal was found by Cheapflights users on 3/30. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/247:50 pmDEN - TLL
1 stop37h 50mTurkish Airlines
Sat 8/307:35 pmTLL - DEN
1 stop31h 20mTurkish Airlines
Deal found 3/30$735
This Finnair deal was found by Cheapflights users on 3/30. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/96:35 pmDEN - TLL
2 stops16h 00mFinnair
Tue 4/1510:00 amTLL - DEN
2 stops21h 39mFinnair
Deal found 3/30$792
This United Airlines deal was found by Cheapflights users on 3/30. 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.
Mon 7/215:59 pmDEN - TLL
1 stop21h 21mUnited Airlines
Fri 8/296:00 amTLL - DEN
2 stops21h 20mUnited Airlines
Deal found 3/30$802
This SWISS deal was found by Cheapflights users on 3/30. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/145:50 pmDEN - TLL
1 stop22h 40mSWISS
Fri 8/296:00 amTLL - DEN
1 stop19h 20mSWISS
Deal found 3/30$805
This Lufthansa deal was found by Cheapflights users on 3/30. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/154:15 pmDEN - TLL
1 stop17h 10mLufthansa
Fri 8/296:00 amTLL - DEN
1 stop18h 35mLufthansa
Deal found 3/30$813
This Delta deal was found by Cheapflights users on 3/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2111:59 pmDEN - TLL
2 stops37h 46mDelta
Thu 8/288:35 pmTLL - DEN
2 stops34h 53mDelta
Deal found 3/30$842
This FlightHub deal was found by Cheapflights users on 3/30. 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.
Thu 7/174:15 pmDEN - TLL
1 stop17h 10mMultiple Airlines
Fri 8/297:30 amTLL - DEN
2 stops19h 50mMultiple Airlines
Deal found 3/30$898
This Gurufare deal was found by Cheapflights users on 3/30. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/107:05 amDEN - TLL
2 stops23h 05mScandinavian Airlines
Sat 6/143:45 pmTLL - DEN
2 stops40h 01mScandinavian Airlines
Deal found 3/30$911
This Justfly.com deal was found by Cheapflights users on 3/30. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1711:25 amDEN - TLL
2 stops16h 25mAir Canada
Fri 8/297:30 amTLL - DEN
2 stops19h 50mAir Canada
Deal found 3/30$923
This British Airways deal was found by Cheapflights users on 3/30. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/276:35 pmDEN - TLL
2 stops34h 55mBritish Airways
Mon 9/111:35 amTLL - DEN
2 stops37h 50mBritish Airways
Deal found 3/30$1,080
This Gurufare deal was found by Cheapflights users on 3/30. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1911:00 amDEN - TLL
2 stops28h 20mSingapore Airlines
Sat 8/306:50 pmTLL - DEN
2 stops37h 06mSingapore Airlines
Deal found 3/30$2,191

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 March 31, 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 7/16

5:25 pm-7:55 pm

2 stops17h 30m

Tallinn Ulemiste

Sat 8/30

6:25 am-6:38 pm

2 stops21h 13m

$646

DenverTallinn

DEN - TLL

DENTLL

Denver Intl

Thu 7/24

7:50 pm-6:40 pm

1 stop37h 50m

Tallinn Ulemiste

Sat 8/30

7:35 pm-5:55 pm

1 stop31h 20m

$735

DenverTallinn

DEN - TLL

DENTLL

Denver Intl

Mon 7/21

5:59 pm-12:20 am

1 stop21h 21m

Tallinn Ulemiste

Wed 8/27

6:00 am-6:20 pm

2 stops21h 20m

$802

DenverTallinn

DEN - TLL

DENTLL

Denver Intl

Mon 7/14

5:50 pm-1:30 am

1 stop22h 40m

Tallinn Ulemiste

Fri 8/29

6:00 am-4:20 pm

1 stop19h 20m

$805

DenverTallinn

DEN - TLL

DENTLL

Denver Intl

Tue 7/15

4:15 pm-6:25 pm

1 stop17h 10m

Tallinn Ulemiste

Fri 8/29

6:00 am-3:35 pm

1 stop18h 35m

$813

DenverTallinn

DEN - TLL

DENTLL

Denver Intl

Mon 7/21

11:59 pm-10:45 pm

2 stops37h 46m

Tallinn Ulemiste

Thu 8/28

8:35 pm-10:28 pm

2 stops34h 53m

$842

DenverTallinn

DEN - TLL

DENTLL

Denver Intl

Thu 7/17

4:15 pm-6:25 pm

1 stop17h 10m

Tallinn Ulemiste

Fri 8/29

7:30 am-6:20 pm

2 stops19h 50m

$898

DenverTallinn

DEN - TLL

DENTLL

Denver Intl

Tue 6/10

7:05 am-3:10 pm

2 stops23h 05m

Tallinn Ulemiste

Sat 6/14

3:45 pm-10:46 pm

2 stops40h 01m

$911

DenverTallinn

DEN - TLL

DENTLL

Denver Intl

Thu 7/17

6:35 pm-9:55 pm

2 stops18h 20m

Tallinn Ulemiste

Sat 8/30

6:55 am-5:38 pm

2 stops19h 43m

$912

DenverTallinn

DEN - TLL

DENTLL

Denver Intl

Thu 7/17

11:25 am-12:50 pm

2 stops16h 25m

Tallinn Ulemiste

Fri 8/29

7:30 am-6:20 pm

2 stops19h 50m

$923

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Showing 1-10 of 12 results
1
2

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 $550). Flying from Colorado to Tallinn in June is currently the most expensive (average of $1,054). 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 March 31, 2025.

When flying from Colorado to Tallinn, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Tallinn by month

Plan your trip to Tallinn by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Tallinn ranges from 1.3 - 3.3 inches per month. August is typically the wettest month, when rainfall can reach 3.3 in. February is typically the driest time to visit Tallinn when rainfall is around 1.3 in.

Temperature in Tallinn by month

Plan your trip to Tallinn by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Tallinn, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of February, when temperatures are typically at their lowest (around 23.0 F).

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 March 31, 2025.
Read reviews from past customers who have flown Singapore Airlines, Delta and KLM from Colorado to Tallinn. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very good
1,286 reviews

Overall

8.1

Crew

8.6

Food

7.7

Comfort

7.9

Boarding

8.2

Entertainment

8.0

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SEA - SIN

Sin to amd was not good flight. Food was bad. It was like few days old.
Singapore Airlines
8.1
Very good
1,286 reviews
Singapore Airlines
8.1
Very good
1,286 reviews

Overall

8.1

Crew

8.6

Food

7.7

Comfort

7.9

Boarding

8.2

Entertainment

8.0

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SEA - SIN

Sin to amd was not good flight. Food was bad. It was like few days old.
Delta
8.0
Very good
7,899 reviews
Singapore Airlines
8.1
Very good
1,286 reviews

Overall

8.1

Crew

8.6

Food

7.7

Comfort

7.9

Boarding

8.2

Entertainment

8.0

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SEA - SIN

Sin to amd was not good flight. Food was bad. It was like few days old.
KLM
7.8
Good
1,321 reviews
Singapore Airlines
8.1
Very good
1,286 reviews

Overall

8.1

Crew

8.6

Food

7.7

Comfort

7.9

Boarding

8.2

Entertainment

8.0

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SEA - SIN

Sin to amd was not good flight. Food was bad. It was like few days old.
Finnair
7.6
Good
1,267 reviews
Singapore Airlines
8.1
Very good
1,286 reviews

Overall

8.1

Crew

8.6

Food

7.7

Comfort

7.9

Boarding

8.2

Entertainment

8.0

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SEA - SIN

Sin to amd was not good flight. Food was bad. It was like few days old.
SWISS
7.5
Good
1,570 reviews
Singapore Airlines
8.1
Very good
1,286 reviews

Overall

8.1

Crew

8.6

Food

7.7

Comfort

7.9

Boarding

8.2

Entertainment

8.0

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SEA - SIN

Sin to amd was not good flight. Food was bad. It was like few days old.

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 Ulemiste, which is the city’s only airport. Tallinn Ulemiste (TLL) is located 2.1 mi from the center of Tallinn.

  • 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 $550). Flying from Colorado to Tallinn in June is currently the most expensive (average of $1,054). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Colorado to Tallinn

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Tallinn flights
Newark to Tallinn flights
LaGuardia to Tallinn flights
Dulles Intl to Tallinn flights
Boston to Tallinn flights
Baltimore to Tallinn flights
O'Hare Intl to Tallinn flights
Reagan-National to Tallinn flights
San Francisco to Tallinn flights
Los Angeles to Tallinn flights
Dallas/Fort Worth to Tallinn flights
Detroit to Tallinn flights
Miami to Tallinn flights
Atlanta to Tallinn flights
Orlando to Tallinn flights
Denver to Tallinn flights
Seattle to Tallinn flights
Ontario to Tallinn flights
San Jose to Tallinn flights
Fort Lauderdale to Tallinn flights
Sky Harbor Intl to Tallinn flights
Portland to Tallinn flights
Cleveland to Tallinn flights
Charlotte to Tallinn flights
San Diego to Tallinn flights
Minneapolis to Tallinn flights
Tampa to Tallinn flights
Raleigh to Tallinn flights
Philadelphia to Tallinn flights
Pittsburgh to Tallinn flights
Nashville to Tallinn flights
Jacksonville to Tallinn flights
Indianapolis to Tallinn flights
O'Hare Intl to Tartu flights
Fort Myers to Tallinn flights
Sacramento to Tallinn flights
Hobby to Tallinn flights
Oakland to Tallinn flights
St. Louis to Tallinn flights
Lexington to Tallinn flights
Santa Ana to Tallinn flights
Newark to Tartu flights
Burbank to Tallinn flights
Baltimore to Tartu flights
San Francisco to Tartu flights

Top 4 airlines flying from Colorado to Tallinn

Discover the top 4 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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$518Average$520FlexibilityNo cancel feeOn-time75%
FinnairCheapest$616Average$920FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$699Average$1,050FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$705Average$1,362FlexibilityNo cancel feeOn-time76%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.