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Estonia

$352+ 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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — TLL
Nov 21 — Nov 281
Fri 11/21
Fri 11/28
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 October 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$519
(KLM)

One-way from

$352
(Kiwi.com)

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 Estonia
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One-way flight from Colorado to Estonia
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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 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 October 22, 2025.

This KLM deal was found by Cheapflights users on 10/20. 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 11/54:47 pmDEN - TLL
2 stops18h 18mKLM
Tue 11/117:25 amTLL - DEN
2 stops19h 26mKLM
Deal found 10/20$519
This Cheapflightsfares deal was found by Cheapflights users on 10/20. 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.
Wed 11/55:45 pmDEN - TLL
1 stop21h 05mLufthansa
Tue 11/116:15 amTLL - DEN
1 stop18h 45mLufthansa
Deal found 10/20$627
This Booking.com deal was found by Cheapflights users on 10/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/55:45 pmDEN - TLL
1 stop14h 25mMultiple Airlines
Tue 11/116:40 amTLL - DEN
2 stops22h 15mMultiple Airlines
Deal found 10/20$639
This Air Canada deal was found by Cheapflights users on 10/20. 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.
Wed 11/51:25 pmDEN - TLL
2 stops21h 40mAir Canada
Tue 11/117:25 amTLL - DEN
3 stops23h 24mAir Canada
Deal found 10/20$762

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 October 22, 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 11/5

4:47 pm-8:05 pm

2 stops18h 18m

Tallinn

Tue 11/11

7:25 am-5:51 pm

2 stops19h 26m

$519

DenverTallinn

DEN - TLL

DENTLL

Denver Intl

Thu 4/2

2:20 pm-7:55 pm

2 stops20h 35m

Tallinn

Mon 4/6

2:05 pm-6:31 pm

2 stops37h 26m

$570

DenverTallinn

DEN - TLL

DENTLL

Denver Intl

Wed 11/5

5:45 pm-11:50 pm

1 stop21h 05m

Tallinn

Tue 11/11

6:15 am-4:00 pm

1 stop18h 45m

$627

DenverTallinn

DEN - TLL

DENTLL

Denver Intl

Wed 11/5

5:45 pm-5:10 pm

1 stop14h 25m

Tallinn

Tue 11/11

6:40 am-7:55 pm

2 stops22h 15m

$639

DenverTallinn

DEN - TLL

DENTLL

Denver Intl

Sat 2/28

5:45 pm-5:10 pm

2 stops38h 25m

Tallinn

Sun 3/8

6:15 am-6:55 pm

2 stops21h 40m

$652

DenverTallinn

DEN - TLL

DENTLL

Denver Intl

Thu 4/2

5:59 pm-6:05 pm

1 stop15h 06m

Tallinn

Mon 4/6

2:30 pm-3:35 pm

1 stop34h 05m

$658

DenverTallinn

DEN - TLL

DENTLL

Denver Intl

Sat 2/28

5:45 pm-5:10 pm

1 stop14h 25m

Tallinn

Sun 3/8

6:15 am-4:00 pm

1 stop18h 45m

$674

DenverTallinn

DEN - TLL

DENTLL

Denver Intl

Mon 12/1

8:45 pm-11:45 am

3 stops54h 00m

$352

DenverTallinn

DEN - TLL

DENTLL

Denver Intl

Wed 1/7

11:59 pm-11:55 am

2 stops50h 56m

$369

DenverTallinn

DEN - TLL

DENTLL

Denver Intl

Mon 12/1

11:49 am-1:20 pm

2 stops16h 31m

$410

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/21

Showing 1-10 of 15 results
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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 $525). Flying from Colorado to Estonia 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 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 October 22, 2025.

It’s optimal to fly from Colorado to Estonia in the morning. By choosing this option you can save up to 41% on the cost of your flight, compared to a flight in the evening.

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.

  • How long is the flight from Colorado to Estonia?

    There are many flights that can get you from Colorado to Estonia in 18h 18m. Fly via KLM or Lufthansa to get the fastest option. The distance between Colorado and Estonia is about 4994 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $525). Flying from Colorado to Estonia 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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Top 3 airlines flying from Colorado to Estonia

Discover the top 3 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 October 22, 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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