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$491+ Cheap flights from Colorado to Estonia

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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — TLL
ene. 7 — ene. 141
mié. 1/7
mié. 1/14
1 adult, Economy
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Cheap 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 diciembre 8, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/295:45 pmDEN - TLL
1 stop14h 25mLufthansa
dom. 1/186:15 amTLL - DEN
2 stops24h 45mLufthansa
Deal found 12/6$826
This Booking.com deal was found by Cheapflights users on 12/6. 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.
lun. 12/295:30 pmDEN - TLL
2 stops41h 35mAir Canada
dom. 1/187:00 amTLL - DEN
2 stops42h 40mAir Canada
Deal found 12/6$852
This United Airlines deal was found by Cheapflights users on 12/6. 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.
lun. 12/2911:59 pmDEN - TLL
2 stops28h 11mUnited Airlines
dom. 1/185:55 pmTLL - DEN
3 stops53h 07mUnited Airlines
Deal found 12/6$905
This Mytrip deal was found by Cheapflights users on 12/6. 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.
lun. 12/2910:30 amDEN - TLL
3 stops26h 10mMultiple Airlines
dom. 1/187:30 pmTLL - DEN
3 stops33h 25mMultiple Airlines
Deal found 12/6$1,193

Find flight deals from Colorado to Estonia

Keep the following information in mind while searching for Colorado to Estonia flight deals. Data was last updated diciembre 8, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$516
(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 Estonia
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 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 diciembre 8, 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

dom. 4/19

6:25 pm-7:55 pm

2 stops16h 30m

Tallinn

lun. 4/27

7:30 am-5:31 pm

2 stops19h 01m

$516

DenverTallinn

DEN - TLL

DENTLL

Denver Intl

mar. 4/21

4:00 pm-7:55 pm

2 stops18h 55m

Tallinn

mar. 4/28

7:30 am-6:10 pm

2 stops19h 40m

$516

DenverTallinn

DEN - TLL

DENTLL

Denver Intl

jue. 1/15

1:15 pm-11:40 pm

3 stops25h 25m

Tallinn

mié. 1/28

6:25 am-11:11 pm

2 stops25h 46m

$524

DenverTallinn

DEN - TLL

DENTLL

Denver Intl

dom. 4/19

8:25 pm-6:40 pm

1 stop37h 15m

Tallinn

lun. 4/27

7:35 pm-6:25 pm

1 stop31h 50m

$617

DenverTallinn

DEN - TLL

DENTLL

Denver Intl

jue. 1/15

7:20 pm-6:00 pm

1 stop37h 40m

Tallinn

mié. 1/28

11:25 am-5:35 pm

1 stop39h 10m

$634

DenverTallinn

DEN - TLL

DENTLL

Denver Intl

mar. 4/21

6:30 am-3:10 pm

3 stops23h 40m

Tallinn

mar. 4/28

6:15 am-10:58 pm

2 stops25h 43m

$658

DenverTallinn

DEN - TLL

DENTLL

Denver Intl

dom. 4/19

1:35 pm-10:45 am

2 stops36h 10m

Tallinn

lun. 4/27

3:50 pm-10:18 pm

2 stops39h 28m

$670

DenverTallinn

DEN - TLL

DENTLL

Denver Intl

mar. 4/21

4:05 pm-12:40 am

1 stop23h 35m

Tallinn

mar. 4/28

6:00 am-3:35 pm

1 stop18h 35m

$672

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/8

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 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 diciembre 8, 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 16h 30m. Fly via KLM or Scandinavian Airlines 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.

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 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 diciembre 8, 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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