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$795+ Cheap flights from Keflavik Intl (KEF) to Missouri

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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — STL
Aug 16 — Aug 231
Sat 8/16
Sat 8/23
1 adult, Economy
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Cheap flight deals from Keflavik Intl to Missouri

Keep the following information in mind while searching for Keflavik Intl to Missouri flight deals. Data was last updated August 11, 2025.

Round-trip from

$795
(lastminute.com)
From Reykjavik Keflavik Intl to Missouri
Search Deals

Find flight deals from Keflavik Intl to Missouri

Cheapest flights from Keflavik Intl to Missouri
Explore the most affordable flight options available from Keflavik Intl to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 11, 2025.

This lastminute.com deal was found by Cheapflights users on 8/11. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2711:25 amKEF - STL
2 stops15h 37mMultiple Airlines
Sun 8/3110:20 amSTL - KEF
2 stops18h 10mMultiple Airlines
Deal found 8/11$795
This KLM deal was found by Cheapflights users on 8/11. 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.
Wed 8/279:30 amKEF - STL
1 stop18h 54mKLM
Sun 8/3111:23 amSTL - KEF
1 stop14h 37mKLM
Deal found 8/11$802
This Mytrip deal was found by Cheapflights users on 8/10. 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.
Sat 9/65:00 pmKEF - MCI
2 stops27h 10mMultiple Airlines
Sat 9/135:15 amMCI - KEF
2 stops18h 30mMultiple Airlines
Deal found 8/10$810
This United Airlines deal was found by Cheapflights users on 8/10. 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.
Sat 9/611:00 amKEF - MCI
2 stops30h 00mUnited Airlines
Sat 9/133:23 pmMCI - KEF
1 stop12h 07mUnited Airlines
Deal found 8/10$825
This Delta deal was found by Cheapflights users on 8/10. 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 9/69:30 amKEF - MCI
1 stop10h 41mDelta
Sat 9/1310:33 amMCI - KEF
1 stop14h 47mDelta
Deal found 8/10$852
This United Airlines deal was found by Cheapflights users on 8/10. 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.
Wed 9/2412:00 pmKEF - MCI
2 stops28h 53mUnited Airlines
Wed 10/11:46 pmMCI - KEF
2 stops37h 24mUnited Airlines
Deal found 8/10$888
This Expedia deal was found by Cheapflights users on 8/10. 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.
Fri 9/512:25 amKEF - MCI
2 stops24h 20mLufthansa
Sat 9/136:29 pmMCI - KEF
2 stops48h 06mLufthansa
Deal found 8/10$977
This Delta deal was found by Cheapflights users on 8/10. 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 9/2411:25 amKEF - MCI
1 stop12h 20mDelta
Wed 10/110:28 amMCI - KEF
2 stops18h 02mDelta
Deal found 8/10$1,000
This Expedia deal was found by Cheapflights users on 8/10. 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 9/231:15 amKEF - MCI
2 stops25h 27mLufthansa
Wed 10/16:32 pmMCI - KEF
2 stops48h 03mLufthansa
Deal found 8/10$1,078
This Lufthansa deal was found by Cheapflights users on 8/11. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/261:15 amKEF - STL
2 stops19h 29mLufthansa
Sun 8/313:30 pmSTL - KEF
2 stops36h 05mLufthansa
Deal found 8/11$1,178
This Air Canada deal was found by Cheapflights users on 8/10. 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 9/249:30 amKEF - MCI
3 stops17h 12mMultiple Airlines
Wed 10/111:33 amMCI - KEF
2 stops15h 42mMultiple Airlines
Deal found 8/10$1,337

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 August 11, 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 8/27

11:25 am-10:02 pm

2 stops15h 37m

Lambert-St Louis

Sun 8/31

10:20 am-9:30 am

2 stops18h 10m

$795

ReykjavikSt. Louis

KEF - STL

KEFSTL

Reykjavik Keflavik Intl

Wed 8/27

9:30 am-11:24 pm

1 stop18h 54m

Lambert-St Louis

Sun 8/31

11:23 am-7:00 am

1 stop14h 37m

$802

ReykjavikKansas City

KEF - MCI

KEFMCI

Reykjavik Keflavik Intl

Sat 9/6

5:00 pm-3:10 pm

2 stops27h 10m

Kansas City

Sat 9/13

5:15 am-4:45 am

2 stops18h 30m

$810

ReykjavikKansas City

KEF - MCI

KEFMCI

Reykjavik Keflavik Intl

Sat 9/6

11:00 am-12:00 pm

2 stops30h 00m

Kansas City

Sat 9/13

3:23 pm-8:30 am

1 stop12h 07m

$825

ReykjavikKansas City

KEF - MCI

KEFMCI

Reykjavik Keflavik Intl

Sat 9/6

9:30 am-3:11 pm

1 stop10h 41m

Kansas City

Sat 9/13

10:33 am-6:20 am

1 stop14h 47m

$852

ReykjavikKansas City

KEF - MCI

KEFMCI

Reykjavik Keflavik Intl

Wed 9/24

12:00 pm-11:53 am

2 stops28h 53m

Kansas City

Wed 10/1

1:46 pm-8:10 am

2 stops37h 24m

$888

ReykjavikKansas City

KEF - MCI

KEFMCI

Reykjavik Keflavik Intl

Fri 9/5

12:25 am-7:45 pm

2 stops24h 20m

Kansas City

Sat 9/13

6:29 pm-11:35 pm

2 stops48h 06m

$977

ReykjavikKansas City

KEF - MCI

KEFMCI

Reykjavik Keflavik Intl

Wed 9/24

11:25 am-6:45 pm

1 stop12h 20m

Kansas City

Wed 10/1

10:28 am-9:30 am

2 stops18h 02m

$1,000

ReykjavikKansas City

KEF - MCI

KEFMCI

Reykjavik Keflavik Intl

Tue 9/23

1:15 am-9:42 pm

2 stops25h 27m

Kansas City

Wed 10/1

6:32 pm-11:35 pm

2 stops48h 03m

$1,078

ReykjavikSt. Louis

KEF - STL

KEFSTL

Reykjavik Keflavik Intl

Tue 8/26

1:15 am-3:44 pm

2 stops19h 29m

Lambert-St Louis

Sun 8/31

3:30 pm-8:35 am

2 stops36h 05m

$1,178

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/11

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
No data available for this route at this time. Please check back soon.

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 August 11, 2025.
See what other customers who have flown with Delta, KLM, and United Airlines from Reykjavik Keflavik Intl Airport to Missouri have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,978 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
Delta
8.0
Very good
7,978 reviews
Delta
8.0
Very good
7,978 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
KLM
7.8
Good
1,381 reviews
Delta
8.0
Very good
7,978 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
United Airlines
7.4
Good
8,922 reviews
Delta
8.0
Very good
7,978 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
Lufthansa
6.8
Okay
7,318 reviews
Delta
8.0
Very good
7,978 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others

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.

  • 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.

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