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$455+ Cheap flights from Keflavik Intl (KEF) to Missouri

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 8/13. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — STL
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
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Find flight deals from Keflavik Intl to Missouri

One-way flights from Keflavik Intl to Missouri
Search for one-way flight options from Keflavik Intl to Missouri. Find affordable one-way fares based on user searches. Data last updated April 17, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 4/17. 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 8/139:35 amKEF - STL
2 stops15h 55mWestJet
Deal found 4/17$455
This Kiwi.com deal was found by Cheapflights users on 4/17. 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.
Wed 6/259:35 amKEF - MCI
2 stops28h 55mWestJet
Deal found 4/17$461
This Kiwi.com deal was found by Cheapflights users on 4/17. 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.
Wed 6/254:55 pmKEF - MCI
1 stop30h 49mMultiple Airlines
Deal found 4/17$650
This Delta deal was found by Cheapflights users on 4/16. 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.
Wed 8/138:50 amKEF - STL
1 stop16h 40mDelta
Deal found 4/16$746
This KLM deal was found by Cheapflights users on 4/17. 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 8/118:50 amKEF - MCI
1 stop13h 18mKLM
Deal found 4/17$869
This British Airways deal was found by Cheapflights users on 4/17. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/121:30 amKEF - STL
2 stops27h 19mMultiple Airlines
Deal found 4/17$1,120
This Air Canada deal was found by Cheapflights users on 4/17. 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 8/139:30 amKEF - STL
3 stops17h 05mAir Canada
Deal found 4/17$1,369
This Cheapflightsfares deal was found by Cheapflights users on 4/17. 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.
Sun 8/1012:25 amKEF - MCI
2 stops26h 06mLufthansa
Deal found 4/17$1,379
This Air Canada deal was found by Cheapflights users on 4/17. 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 6/259:30 amKEF - MCI
3 stops16h 53mAir Canada
Deal found 4/17$1,403
This United Airlines deal was found by Cheapflights users on 4/17. 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.
Mon 8/119:50 amKEF - MCI
3 stops33h 32mUnited Airlines
Deal found 4/17$1,409
This Finnair deal was found by Cheapflights users on 4/17. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/155:15 pmKEF - MCI
2 stops35h 44mFinnair
Deal found 4/17$2,359

Cheapflights Fare Finder

Customize your flight search to find flights from Keflavik Intl to Missouri 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 April 17, 2025.
Use the filters below to find and compare flights from Reykjavik Keflavik Intl Airport to Missouri that are best for you.

Fly from

Keflavik Intl

Fly to

Missouri

Route

Depart

Return

Price

ReykjavikSt. Louis

KEF - STL

KEFSTL

Reykjavik Keflavik Intl

Wed 8/13

9:35 am-8:30 pm

2 stops15h 55m

$455

ReykjavikKansas City

KEF - MCI

KEFMCI

Reykjavik Keflavik Intl

Wed 6/25

9:35 am-9:30 am

2 stops28h 55m

$461

ReykjavikKansas City

KEF - MCI

KEFMCI

Reykjavik Keflavik Intl

Wed 6/25

4:55 pm-6:44 pm

1 stop30h 49m

$650

ReykjavikSt. Louis

KEF - STL

KEFSTL

Reykjavik Keflavik Intl

Wed 8/13

8:50 am-8:30 pm

1 stop16h 40m

$746

ReykjavikKansas City

KEF - MCI

KEFMCI

Reykjavik Keflavik Intl

Mon 8/11

8:50 am-5:08 pm

1 stop13h 18m

$869

ReykjavikSt. Louis

KEF - STL

KEFSTL

Reykjavik Keflavik Intl

Tue 8/12

1:30 am-11:49 pm

2 stops27h 19m

$1,120

ReykjavikSt. Louis

KEF - STL

KEFSTL

Reykjavik Keflavik Intl

Wed 8/13

9:30 am-9:35 pm

3 stops17h 05m

$1,369

ReykjavikKansas City

KEF - MCI

KEFMCI

Reykjavik Keflavik Intl

Sun 8/10

12:25 am-9:31 pm

2 stops26h 06m

$1,379

ReykjavikKansas City

KEF - MCI

KEFMCI

Reykjavik Keflavik Intl

Wed 6/25

9:30 am-9:23 pm

3 stops16h 53m

$1,403

ReykjavikKansas City

KEF - MCI

KEFMCI

Reykjavik Keflavik Intl

Mon 8/11

9:50 am-2:22 pm

3 stops33h 32m

$1,409

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Showing 1-10 of 11 results
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Best time to book a flight from Keflavik Intl to Missouri

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

Rainfall in Missouri by month

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

In terms of precipitation, rainfall in Missouri ranges from 1.1 - 5.2 inches per month. May is typically the wettest month, when rainfall can reach 5.2 in. January is typically the driest time to visit Missouri when rainfall is around 1.1 in.

Temperature in Missouri by month

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

If weather is an important factor for your trip to Missouri, 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 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).

Reviews of airlines servicing Missouri

Get insights into the airlines that provide service to Missouri. 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 Missouri. Reviews last updated April 17, 2025.
Delta
8.0
Very good
7,917 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,917 reviews
Delta
8.0
Very good
7,917 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,329 reviews
Delta
8.0
Very good
7,917 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,269 reviews
Delta
8.0
Very good
7,917 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,667 reviews
Delta
8.0
Very good
7,917 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
WestJet
7.2
Good
2,809 reviews
Delta
8.0
Very good
7,917 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

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

  • What are the cheapest airlines to fly from Reykjavik Keflavik Intl Airport to Missouri one-way?

    $455 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Delta and KLM, with prices starting from $746 and $869, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Keflavik Intl to Missouri 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 Reykjavik Keflavik Intl Airport to Missouri?

    Currently, August is the cheapest month in which you can book a flight from Reykjavik Keflavik Intl Airport to Missouri (average of $311). Flying from Reykjavik Keflavik Intl Airport to Missouri in March is currently the most expensive (average of $356). 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 Keflavik Intl to Missouri

See prices for flight routes from nearby airports that may be better suited for you.
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