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Estonia

$371+ Cheap flights from Colorado to Estonia

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — TLL
Apr 6 — Apr 131
Sun 4/6
Sun 4/13
1 adult, Economy
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Cheap flight deals from Colorado to Estonia

Keep the following information in mind while searching for Colorado to Estonia flight deals. Data was last updated April 1, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$646
(KLM)

One-way from

$371
(Kiwi.com)

Popular in

January

Cheapest in

November

Average price

$618
Provider with most accurate pricing for Denver Intl-Tallinn Ulemiste flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-Tallinn Ulemiste flights.
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From Colorado to Estonia
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One-way flight from Colorado to Estonia
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Highest demand for flights based on searches. 48% potential increase in price ($1,252 potential increase over avg. RT price).
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Cheapest flight prices on average. 50% potential price decrease ($451 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Colorado to Estonia

Cheapest flights from Colorado to Estonia
Explore the most affordable flight options available from Colorado to Estonia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 1, 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
Wed 8/276:00 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 Scandinavian Airlines deal was found by Cheapflights users on 3/31. 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.
Mon 5/56:05 amDEN - TLL
3 stops24h 50mScandinavian Airlines
Sat 5/176:25 amTLL - DEN
2 stops24h 23mScandinavian Airlines
Deal found 3/31$823
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 American Airlines deal was found by Cheapflights users on 3/31. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/42:00 pmDEN - TLL
2 stops16h 40mAmerican Airlines
Wed 4/96:00 amTLL - DEN
2 stops19h 25mAmerican Airlines
Deal found 3/31$868
This United deal was found by Cheapflights users on 3/31. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/53:50 pmDEN - TLL
1 stop17h 10mMultiple Airlines
Tue 6/106:00 amTLL - DEN
1 stop16h 25mMultiple Airlines
Deal found 3/31$895
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

Cheapflights Fare Finder

Customize your flight search to find flights from Colorado to Estonia 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 April 1, 2025.
Use the filters below to find and compare flights from Colorado to Estonia that are best for you.

Fly from

Colorado

Fly to

Estonia

Route

Depart

Return

Price

DenverTallinn

DEN - TLL

DENTLL

Denver Intl

Wed 7/16

10:30 am-1:15 pm

2 stops17h 45m

Tallinn Ulemiste

Fri 8/29

6:20 am-6:38 pm

2 stops21h 18m

$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

Fri 8/29

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 5/5

6:05 am-3:55 pm

3 stops24h 50m

Tallinn Ulemiste

Sat 5/17

6:25 am-9:48 pm

2 stops24h 23m

$823

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 6/5

4:36 pm-7:45 pm

2 stops18h 09m

Tallinn Ulemiste

Tue 6/10

9:20 pm-5:41 pm

2 stops29h 21m

$858

DenverTallinn

DEN - TLL

DENTLL

Denver Intl

Thu 6/5

3:50 pm-6:00 pm

1 stop17h 10m

Tallinn Ulemiste

Tue 6/10

6:00 am-1:25 pm

1 stop16h 25m

$895

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 3/31

Showing 1-10 of 13 results
1
2

Best time to book a flight from Colorado to Estonia

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

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

Currently, November is the cheapest month in which you can book a flight from Colorado to Estonia (average of $550). Flying from Colorado to Estonia 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 EE?

Find hourly flight availability from Colorado to Estonia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 1, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Colorado to Estonia as you normally would.

Rainfall in Estonia by month

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

In terms of precipitation, rainfall in Estonia 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 Estonia when rainfall is around 1.3 in.

Temperature in Estonia by month

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

If weather is an important factor for your trip to Estonia, 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 Estonia

Get insights into the airlines that provide service to Estonia. 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 Estonia. Reviews last updated April 1, 2025.
Read reviews from past customers who have flown Singapore Airlines, Delta and KLM from Colorado to Estonia. 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

Comfort

7.9

Food

7.7

Overall

8.1

Boarding

8.2

Entertainment

8.0

Crew

8.6

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

Comfort

7.9

Food

7.7

Overall

8.1

Boarding

8.2

Entertainment

8.0

Crew

8.6

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

Comfort

7.9

Food

7.7

Overall

8.1

Boarding

8.2

Entertainment

8.0

Crew

8.6

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

Comfort

7.9

Food

7.7

Overall

8.1

Boarding

8.2

Entertainment

8.0

Crew

8.6

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

Comfort

7.9

Food

7.7

Overall

8.1

Boarding

8.2

Entertainment

8.0

Crew

8.6

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

Comfort

7.9

Food

7.7

Overall

8.1

Boarding

8.2

Entertainment

8.0

Crew

8.6

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 Estonia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Colorado to Estonia 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 Estonia?

    Currently, November is the cheapest month in which you can book a flight from Colorado to Estonia (average of $550). Flying from Colorado to Estonia 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

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Alternative routes for Colorado to Estonia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Colorado to Estonia

Discover the top 4 airlines that operate flights from Colorado to Estonia. 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 April 1, 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%
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