HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Keflavik Intl

$350+ Cheap flights from Pueblo, CO to Keflavik Intl (KEF)

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 12/14. Fares are subject to change and may not be available on all flights or dates of travel.
COS — KEF
Nov 6 — Nov 131
Thu 11/6
Thu 11/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Pueblo to Keflavik Intl 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.

Find flight deals from Pueblo to Keflavik Intl

Cheapest flights from Pueblo to Keflavik Intl
Explore the most affordable flight options available from Pueblo to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 7, 2025.

This CrystalTravel deal was found by Cheapflights users on 10/6. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/294:40 pmDEN - KEF
Nonstop7h 25mIcelandair
Wed 11/54:55 pmKEF - DEN
Nonstop8h 10mIcelandair
Deal found 10/6$416
This Mytrip deal was found by Cheapflights users on 10/6. 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.
Thu 10/234:40 pmDEN - KEF
Nonstop7h 20mIcelandair
Thu 10/304:55 pmKEF - DEN
Nonstop8h 10mIcelandair
Deal found 10/6$427
This Mytrip deal was found by Cheapflights users on 10/7. 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 11/173:40 pmDEN - KEF
Nonstop7h 25mIcelandair
Mon 11/244:55 pmKEF - DEN
Nonstop8h 10mIcelandair
Deal found 10/7$433
This oojo deal was found by Cheapflights users on 10/7. 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.
Wed 12/33:40 pmDEN - KEF
Nonstop7h 25mIcelandair
Thu 12/114:55 pmKEF - DEN
Nonstop8h 10mIcelandair
Deal found 10/7$437
This FlightHub deal was found by Cheapflights users on 10/6. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/43:40 pmDEN - KEF
Nonstop7h 25mIcelandair
Thu 11/134:55 pmKEF - DEN
Nonstop8h 10mIcelandair
Deal found 10/6$438
This KAYAK deal was found by Cheapflights users on 10/6. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/264:40 pmDEN - KEF
Nonstop7h 25mIcelandair
Thu 11/64:55 pmKEF - DEN
Nonstop8h 10mIcelandair
Deal found 10/6$449
This Mytrip deal was found by Cheapflights users on 10/5. 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.
Tue 10/214:40 pmDEN - KEF
Nonstop7h 20mIcelandair
Wed 10/294:55 pmKEF - DEN
Nonstop8h 10mIcelandair
Deal found 10/5$475
This FlightHub deal was found by Cheapflights users on 10/6. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/224:40 pmDEN - KEF
Nonstop7h 20mIcelandair
Wed 10/294:55 pmKEF - DEN
Nonstop8h 10mIcelandair
Deal found 10/6$476
This CrystalTravel deal was found by Cheapflights users on 10/5. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/143:40 pmDEN - KEF
Nonstop7h 25mIcelandair
Thu 12/184:55 pmKEF - DEN
Nonstop8h 10mIcelandair
Deal found 10/5$482
This FlightHub deal was found by Cheapflights users on 10/6. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/113:40 pmDEN - KEF
Nonstop7h 25mIcelandair
Mon 12/224:55 pmKEF - DEN
Nonstop8h 10mIcelandair
Deal found 10/6$516

Cheap flight deals from Pueblo to Keflavik Intl

Keep the following information in mind while searching for Pueblo to Keflavik Intl flight deals. Data was last updated October 7, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$416
(CrystalTravel)

One-way from

$350
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$554
Provider with most accurate pricing for Denver Intl-Reykjavik (REK) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Denver Intl-Reykjavik (REK) flights.
Search Deals
From Pueblo to Reykjavik Keflavik Intl
Search Deals
One-way flight from Pueblo to Reykjavik Keflavik Intl
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($40 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pueblo to Keflavik Intl 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 7, 2025.
Use the filters below to find and compare flights from Pueblo to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Pueblo

Fly to

Keflavik Intl

Route

Depart

Return

Price

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Mon 11/3

3:40 pm-6:05 am

Nonstop7h 25m

Reykjavik Keflavik Intl

Mon 11/10

4:55 pm-6:05 pm

Nonstop8h 10m

$449

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Wed 11/5

3:40 pm-6:05 am

Nonstop7h 25m

Reykjavik Keflavik Intl

Wed 11/12

4:55 pm-6:05 pm

Nonstop8h 10m

$537

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Sun 12/14

3:40 pm-6:05 am

Nonstop7h 25m

Reykjavik Keflavik Intl

Sun 12/21

4:55 pm-6:05 pm

Nonstop8h 10m

$537

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Tue 11/4

3:40 pm-6:05 am

Nonstop7h 25m

Reykjavik Keflavik Intl

Mon 11/10

4:55 pm-6:05 pm

Nonstop8h 10m

$537

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Wed 11/5

3:40 pm-6:05 am

Nonstop7h 25m

Reykjavik Keflavik Intl

Thu 11/13

4:55 pm-6:05 pm

Nonstop8h 10m

$537

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Mon 11/3

3:40 pm-6:05 am

Nonstop7h 25m

Reykjavik Keflavik Intl

Fri 11/14

4:55 pm-6:05 pm

Nonstop8h 10m

$562

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Fri 3/20

4:40 pm-6:05 am

Nonstop7h 25m

Reykjavik Keflavik Intl

Sun 3/29

4:50 pm-6:55 pm

Nonstop8h 05m

$604

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Mon 3/23

4:40 pm-6:05 am

Nonstop7h 25m

Reykjavik Keflavik Intl

Fri 3/27

4:55 pm-7:05 pm

Nonstop8h 10m

$604

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Sun 11/2

3:40 pm-6:05 am

Nonstop7h 25m

Reykjavik Keflavik Intl

Fri 11/14

4:55 pm-6:05 pm

Nonstop8h 10m

$649

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Wed 11/5

3:40 pm-6:05 am

Nonstop7h 25m

Reykjavik Keflavik Intl

Fri 11/14

4:55 pm-6:05 pm

Nonstop8h 10m

$649

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/7

Showing 1-10 of 21 results
1
2
3

Best time to book a flight from Pueblo to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from Pueblo 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 Pueblo to Reykjavik Keflavik Intl Airport

How far ahead should I book a flight from Pueblo to Reykjavik Keflavik Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Pueblo to Keflavik Intl. Price data was last updated on October 3, 2025.

The best time to book flights from Pueblo to Reykjavik Keflavik Intl Airport is 10 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Reviews of airlines servicing Keflavik Intl

Get insights into the airlines that provide service to Keflavik Intl. 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 Keflavik Intl. Reviews last updated October 7, 2025.
Peruse reviews from past customers who have flown with Icelandair from Pueblo to Reykjavik Keflavik Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Icelandair
7.0
Good
550 reviews

Boarding

7.2

Food

6.2

Overall

7.0

Crew

8.0

Comfort

6.9

Entertainment

7.0

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

GVA - KEF

Terrible customer service when dealing with phone representatives. Baggage was lost.
Icelandair
7.0
Good
550 reviews
Icelandair
7.0
Good
550 reviews

Boarding

7.2

Food

6.2

Overall

7.0

Crew

8.0

Comfort

6.9

Entertainment

7.0

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

GVA - KEF

Terrible customer service when dealing with phone representatives. Baggage was lost.

Related info for your journey

Find useful and relevant information for your journey from Pueblo to Keflavik Intl. 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 Pueblo to Reykjavik Keflavik Intl Airport?

    Icelandair can get you from Pueblo to Reykjavik Keflavik Intl Airport in just under 7h 25m. Your travel time will be generally consistent. Pueblo and Reykjavik Keflavik Intl Airport are separated by a distance of 3556 mi. Most flights are nonstop.

  • Can I find deals for flights from Pueblo to Keflavik Intl that include hotel bookings?

    Yes. In addition to deals on Pueblo to Keflavik Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Pueblo to Keflavik Intl?

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

  • Can I find deals for business class flights from Pueblo to Keflavik Intl?

    Yes. Cheapflights offers flight deals from Pueblo to Keflavik Intl 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

Traveling to a place near Reykjavik Keflavik Intl Airport?

Book flights to Reykjavik Keflavik Intl Airport if you plan to visit one of these locations
Keflavik
Hveragerdi

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.

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.