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Keflavik Intl

$320+ 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 3/22. Fares are subject to change and may not be available on all flights or dates of travel.
COS — KEF
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
1 adult, Economy
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Cheapflights Tip: The best prices from Pueblo to Reykjavik Keflavik Intl are usually found in October or November, booked 20 days in advance, depart on a Wednesday or Tuesday and return on a Monday

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 January 8, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$500
(Ticket)

One-way from

$320
(Kiwi.com)

Popular in

March

Cheapest in

October

Average price

$605
Provider with most accurate pricing for Denver Intl-Reykjavik (REK) flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-Reykjavik (REK) flights.
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From Pueblo to Reykjavik Keflavik Intl
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One-way flight from Pueblo to Reykjavik Keflavik Intl
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Highest demand for flights based on searches. 2% potential increase in price ($17 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 8, 2026.

This Ticket deal was found by Cheapflights users on 1/8. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/253:40 pmDEN - KEF
Nonstop7h 25mIcelandair
Sat 1/314:55 pmKEF - DEN
Nonstop8h 10mIcelandair
Deal found 1/8$500
This CrystalTravel deal was found by Cheapflights users on 1/7. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/64:40 pmDEN - KEF
Nonstop7h 20mIcelandair
Thu 4/164:50 pmKEF - DEN
Nonstop8h 10mIcelandair
Deal found 1/7$519
This CrystalTravel deal was found by Cheapflights users on 1/7. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/44:40 pmDEN - KEF
Nonstop7h 20mIcelandair
Fri 4/104:50 pmKEF - DEN
Nonstop8h 10mIcelandair
Deal found 1/7$524
This Cheapflightsfares deal was found by Cheapflights users on 1/7. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/174:40 pmDEN - KEF
Nonstop7h 20mIcelandair
Mon 4/274:50 pmKEF - DEN
Nonstop8h 10mIcelandair
Deal found 1/7$540
This Cheapflightsfares deal was found by Cheapflights users on 1/7. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/233:40 pmDEN - KEF
Nonstop7h 25mIcelandair
Mon 3/24:55 pmKEF - DEN
Nonstop8h 10mIcelandair
Deal found 1/7$542
This FlightHub deal was found by Cheapflights users on 1/7. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/24:40 pmDEN - KEF
Nonstop7h 20mIcelandair
Sun 4/124:50 pmKEF - DEN
Nonstop8h 10mIcelandair
Deal found 1/7$548
This Kiwi.com deal was found by Cheapflights users on 1/8. 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.
Tue 2/243:40 pmDEN - KEF
Nonstop7h 25mIcelandair
Wed 3/184:55 pmKEF - DEN
Nonstop8h 10mIcelandair
Deal found 1/8$555
This CrystalTravel deal was found by Cheapflights users on 1/8. 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.
Fri 4/104:40 pmDEN - KEF
Nonstop7h 20mIcelandair
Wed 4/154:50 pmKEF - DEN
Nonstop8h 10mIcelandair
Deal found 1/8$558
This Kiwi.com deal was found by Cheapflights users on 1/8. 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.
Thu 2/57:35 amDEN - KEF
1 stop15h 55mMultiple Airlines
Mon 2/95:00 pmKEF - DEN
1 stop24h 22mMultiple Airlines
Deal found 1/8$562
This CrystalTravel deal was found by Cheapflights users on 1/7. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/184:40 pmDEN - KEF
Nonstop7h 20mIcelandair
Fri 10/24:50 pmKEF - DEN
Nonstop8h 10mIcelandair
Deal found 1/7$563
This Cheapflightsfares deal was found by Cheapflights users on 1/7. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/233:40 pmDEN - KEF
Nonstop7h 25mIcelandair
Fri 3/64:55 pmKEF - DEN
Nonstop8h 10mIcelandair
Deal found 1/7$565

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 January 8, 2026.
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

Thu 4/16

10:30 am-9:30 am

2 stops17h 00m

Reykjavik Keflavik Intl

Sun 4/26

11:25 am-12:26 am

2 stops19h 01m

$578

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Thu 4/16

6:40 am-9:30 am

1 stop20h 50m

Reykjavik Keflavik Intl

Sun 4/26

11:25 am-10:49 pm

1 stop17h 24m

$578

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Wed 4/8

10:31 am-9:30 am

2 stops16h 59m

Reykjavik Keflavik Intl

Wed 4/22

11:25 am-12:26 am

2 stops19h 01m

$581

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Mon 4/6

6:40 am-9:30 am

1 stop20h 50m

Reykjavik Keflavik Intl

Wed 4/15

11:25 am-10:49 pm

1 stop17h 24m

$589

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Sat 5/2

7:00 am-9:30 am

2 stops20h 30m

Reykjavik Keflavik Intl

Sat 5/9

11:25 am-8:23 pm

2 stops14h 58m

$608

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Wed 5/13

7:05 am-9:30 am

2 stops20h 25m

Reykjavik Keflavik Intl

Fri 5/22

11:25 am-11:51 pm

2 stops18h 26m

$638

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Sun 5/10

11:15 am-7:00 am

1 stop13h 45m

Reykjavik Keflavik Intl

Sun 5/17

8:50 am-8:23 pm

2 stops17h 33m

$638

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Mon 5/4

7:00 am-9:30 am

2 stops20h 30m

Reykjavik Keflavik Intl

Tue 5/19

8:50 am-6:03 pm

2 stops15h 13m

$638

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Wed 5/13

1:35 pm-9:30 am

2 stops13h 55m

Reykjavik Keflavik Intl

Tue 5/26

8:50 am-5:31 pm

1 stop14h 41m

$638

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Mon 5/18

2:20 pm-7:00 am

1 stop10h 40m

Reykjavik Keflavik Intl

Sun 5/24

8:50 am-5:31 pm

1 stop14h 41m

$663

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/8

Showing 1-10 of 19 results
1
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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 January 2, 2026.

The best time to book flights from Pueblo to Reykjavik Keflavik Intl Airport is 20 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.

How much does it cost to fly round-trip from Pueblo to Reykjavik Keflavik Intl Airport?

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 January 8, 2026.
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
7.1
Good
593 reviews

Crew

8.0

Comfort

6.9

Boarding

7.2

Food

6.2

Overall

7.1

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Nov 2025

AMS - KEF

We paid a total of 328.00 for specific seats and we were not assigned to any of the seats for which we paid.
Icelandair
7.1
Good
593 reviews
Icelandair
7.1
Good
593 reviews

Crew

8.0

Comfort

6.9

Boarding

7.2

Food

6.2

Overall

7.1

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Nov 2025

AMS - KEF

We paid a total of 328.00 for specific seats and we were not assigned to any of the seats for which we paid.

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?

    KLM can get you from Pueblo to Reykjavik Keflavik Intl Airport in just under 20h 50m. Your travel time can differ by up to . Pueblo and Reykjavik Keflavik Intl Airport are separated by a distance of 3556 mi.

  • 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

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