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Keflavik Intl

$503+ Cheap flights from Missouri 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 7/23. Fares are subject to change and may not be available on all flights or dates of travel.
STL — KEF
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap flight deals from Missouri to Keflavik Intl

Keep the following information in mind while searching for Missouri to Keflavik Intl flight deals. Data was last updated February 20, 2025.

Round-trip from

$563
(Mytrip)

One-way from

$545
(Mytrip)
From Missouri to Reykjavik Keflavik Intl
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One-way flight from Missouri to Reykjavik Keflavik Intl
Search Deals

Find flight deals from Missouri to Keflavik Intl

Cheapest flights from Missouri to Keflavik Intl
Explore the most affordable flight options available from Missouri to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This Mytrip deal was found by Cheapflights users on 2/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/212:15 pmMCI - KEF
3 stops34h 35mMultiple Airlines
Tue 3/113:20 pmKEF - MCI
2 stops29h 57mMultiple Airlines
Deal found 2/20$563
This Delta deal was found by Cheapflights users on 2/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/226:00 amSGF - KEF
2 stops22h 30mDelta
Tue 4/2911:25 amKEF - SGF
2 stops15h 46mDelta
Deal found 2/20$598
This Booking.com deal was found by Cheapflights users on 2/20. 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.
Tue 7/229:15 amSTL - KEF
2 stops41h 55mAir Canada
Thu 7/319:30 amKEF - STL
2 stops34h 46mAir Canada
Deal found 2/20$599
This KLM deal was found by Cheapflights users on 2/20. 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.
Mon 9/2912:30 pmMCI - KEF
2 stops16h 00mKLM
Fri 10/1011:25 amKEF - MCI
1 stop11h 30mKLM
Deal found 2/20$600
This StudentUniverse deal was found by Cheapflights users on 2/20. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/16:06 pmMCI - KEF
2 stops32h 54mFinnair
Tue 4/85:15 pmKEF - MCI
2 stops35h 34mFinnair
Deal found 2/20$622
This United Airlines deal was found by Cheapflights users on 2/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/266:30 amMCI - KEF
3 stops21h 05mUnited Airlines
Wed 9/310:00 amKEF - MCI
2 stops32h 23mUnited Airlines
Deal found 2/20$648
This Expedia deal was found by Cheapflights users on 2/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1111:55 amSTL - KEF
2 stops41h 50mBritish Airways
Tue 3/1811:45 amKEF - STL
2 stops39h 33mBritish Airways
Deal found 2/19$651
This Delta deal was found by Cheapflights users on 2/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2711:00 amMCI - KEF
1 stop17h 30mDelta
Fri 10/1011:25 amKEF - MCI
1 stop11h 30mDelta
Deal found 2/20$656
This United Airlines deal was found by Cheapflights users on 2/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/306:30 amSTL - KEF
2 stops36h 05mMultiple Airlines
Sat 4/512:25 amKEF - STL
2 stops20h 22mMultiple Airlines
Deal found 2/20$717
This United deal was found by Cheapflights users on 2/20. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/245:18 pmSTL - KEF
1 stop10h 12mUnited Airlines
Mon 9/112:00 pmKEF - STL
1 stop31h 18mUnited Airlines
Deal found 2/20$737
This Expedia deal was found by Cheapflights users on 2/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/148:00 amMCI - KEF
2 stops19h 15mAir Canada
Thu 8/219:30 amKEF - MCI
2 stops33h 43mAir Canada
Deal found 2/20$744
This Gurufare deal was found by Cheapflights users on 2/20. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/111:29 amMCI - KEF
2 stops31h 06mLufthansa
Mon 4/712:25 amKEF - MCI
2 stops26h 35mLufthansa
Deal found 2/20$758

Find flights from Missouri to Keflavik Intl within your budget

Customize your flight search to find flights from Missouri 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 February 20, 2025.

Fly from

Missouri

Fly to

Keflavik Intl

Route

Depart

Return

Price

Kansas CityReykjavik

MCI - KEF

MCIKEF

Kansas City

Sun 3/2

12:15 pm-4:50 am

3 stops34h 35m

Reykjavik Keflavik Intl

Tue 3/11

3:20 pm-4:17 pm

2 stops29h 57m

$563

SpringfieldReykjavik

SGF - KEF

SGFKEF

Springfield-Branson

Tue 4/22

6:00 am-9:30 am

2 stops22h 30m

Reykjavik Keflavik Intl

Tue 4/29

11:25 am-10:11 pm

2 stops15h 46m

$598

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Tue 7/22

9:15 am-8:10 am

2 stops41h 55m

Reykjavik Keflavik Intl

Thu 7/31

9:30 am-3:16 pm

2 stops34h 46m

$599

Kansas CityReykjavik

MCI - KEF

MCIKEF

Kansas City

Tue 4/1

6:06 pm-8:00 am

2 stops32h 54m

Reykjavik Keflavik Intl

Tue 4/8

5:15 pm-11:49 pm

2 stops35h 34m

$622

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Tue 3/11

11:55 am-10:45 am

2 stops41h 50m

Reykjavik Keflavik Intl

Tue 3/18

11:45 am-10:18 pm

2 stops39h 33m

$651

Kansas CityReykjavik

MCI - KEF

MCIKEF

Kansas City

Fri 4/18

2:56 pm-9:30 am

1 stop13h 34m

Reykjavik Keflavik Intl

Wed 4/23

11:25 am-11:59 pm

2 stops17h 34m

$658

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Sun 3/30

6:30 am-11:35 pm

2 stops36h 05m

Reykjavik Keflavik Intl

Sat 4/5

12:25 am-3:47 pm

2 stops20h 22m

$717

Kansas CityReykjavik

MCI - KEF

MCIKEF

Kansas City

Fri 8/15

6:29 pm-8:30 am

1 stop9h 01m

Reykjavik Keflavik Intl

Fri 8/22

12:00 pm-5:21 pm

1 stop10h 21m

$731

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Wed 7/30

9:50 am-8:35 am

2 stops17h 45m

Reykjavik Keflavik Intl

Tue 8/5

12:00 pm-10:45 pm

1 stop15h 45m

$737

Kansas CityReykjavik

MCI - KEF

MCIKEF

Kansas City

Thu 8/14

8:00 am-8:15 am

2 stops19h 15m

Reykjavik Keflavik Intl

Thu 8/21

9:30 am-2:13 pm

2 stops33h 43m

$744

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 32 results
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Best time to book a flight from Missouri to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from Missouri 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.

Travel insights for flights from Missouri to Keflavik Intl

Get recent, data-driven insights about flights from Missouri to Keflavik Intl including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Missouri to Reykjavik Keflavik Intl Airport?

Currently, November is the cheapest month in which you can book a flight from Missouri to Reykjavik Keflavik Intl Airport (average of $328). Flying from Missouri to Reykjavik Keflavik Intl Airport in June is currently the most expensive (average of $657). 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 MO to KEF?

Find hourly flight availability from Missouri to Keflavik Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Missouri to Reykjavik Keflavik Intl Airport as you normally would.

Rainfall in Keflavik Intl by month

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

In terms of precipitation, rainfall in Reykjavik Keflavik Intl Airport ranges from 1.6 - 3.1 inches per month. January is typically the wettest month, when rainfall can reach 3.1 in. May is typically the driest time to visit Reykjavik Keflavik Intl Airport when rainfall is around 1.6 in.

Temperature in Keflavik Intl by month

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

If weather is an important factor for your trip to Reykjavik Keflavik Intl Airport, 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 51.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

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 February 20, 2025.
Read through reviews of airlines operating flights from Missouri to Reykjavik, such as Alaska Airlines, Delta and KLM. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,692 reviews

Entertainment

7.1

Crew

8.5

Food

7.1

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines
8.0
Very good
9,692 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Entertainment

7.1

Crew

8.5

Food

7.1

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta
8.0
Very good
8,220 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Entertainment

7.1

Crew

8.5

Food

7.1

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

KLM
7.8
Good
1,333 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Entertainment

7.1

Crew

8.5

Food

7.1

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Finnair
7.6
Good
1,273 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Entertainment

7.1

Crew

8.5

Food

7.1

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Air France
7.4
Good
1,449 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Entertainment

7.1

Crew

8.5

Food

7.1

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

Find useful and relevant information for your journey from Missouri to Keflavik Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the most popular routes from Missouri to Reykjavik Keflavik Intl Airport?

    The most popular flight routes from Missouri to Reykjavik Keflavik Intl Airport are Kansas City - Reykjavik Keflavik Intl, Lambert-St Louis - Reykjavik Keflavik Intl and Springfield-Branson - Reykjavik Keflavik Intl.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Missouri 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.

  • What is the cheapest month to book a flight from Missouri to Reykjavik Keflavik Intl Airport?

    Currently, November is the cheapest month in which you can book a flight from Missouri to Reykjavik Keflavik Intl Airport (average of $328). Flying from Missouri to Reykjavik Keflavik Intl Airport in June is currently the most expensive (average of $657). 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 Missouri to Keflavik Intl

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

Discover the top 4 airlines that operate flights from Missouri to Keflavik Intl. 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$370Average$1,016FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$568Average$786FlexibilityNo cancel feeOn-time67%
DeltaCheapest$600Average$876FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$626Average$997FlexibilityNo cancel feeOn-time69%
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