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$732+ 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
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
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 July 30, 2025.

Round-trip from

$822
(United Airlines)

One-way from

$732
(Cheapflightsfares)
From Reykjavik Keflavik Intl to Missouri
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One-way flight from Reykjavik Keflavik Intl to Missouri
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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 July 30, 2025.

This United Airlines deal was found by Cheapflights users on 7/30. 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 9/1311:00 amKEF - MCI
2 stops27h 09mUnited Airlines
Sat 9/203:23 pmMCI - KEF
1 stop12h 07mUnited Airlines
Deal found 7/30$822
This Air Canada deal was found by Cheapflights users on 7/29. 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.
Sat 8/239:30 amKEF - MCI
3 stops17h 12mMultiple Airlines
Sat 8/303:23 pmMCI - KEF
2 stops11h 47mMultiple Airlines
Deal found 7/29$911
This Gurufare deal was found by Cheapflights users on 7/29. 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.
Fri 8/2212:25 amKEF - MCI
2 stops20h 31mLufthansa
Sat 8/306:29 pmMCI - KEF
1 stop9h 01mLufthansa
Deal found 7/29$1,185
This Air Canada deal was found by Cheapflights users on 7/29. 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.
Tue 8/199:50 amKEF - MCI
3 stops16h 52mAir Canada
Sat 8/2311:33 amMCI - KEF
3 stops15h 37mAir Canada
Deal found 7/29$1,304

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 July 30, 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

ReykjavikKansas City

KEF - MCI

KEFMCI

Reykjavik Keflavik Intl

Sat 9/13

11:00 am-9:42 pm

2 stops15h 42m

Kansas City

Sat 9/20

9:05 am-8:30 am

2 stops18h 25m

$822

ReykjavikKansas City

KEF - MCI

KEFMCI

Reykjavik Keflavik Intl

Sat 8/23

9:30 am-9:42 pm

3 stops17h 12m

Kansas City

Sat 8/30

3:23 pm-8:10 am

2 stops11h 47m

$911

ReykjavikKansas City

KEF - MCI

KEFMCI

Reykjavik Keflavik Intl

Fri 8/22

12:25 am-3:56 pm

2 stops20h 31m

Kansas City

Sat 8/30

6:29 pm-8:30 am

1 stop9h 01m

$1,185

ReykjavikKansas City

KEF - MCI

KEFMCI

Reykjavik Keflavik Intl

Tue 8/19

9:50 am-9:42 pm

3 stops16h 52m

Kansas City

Sat 8/23

11:33 am-8:10 am

3 stops15h 37m

$1,304

ReykjavikSt. Louis

KEF - STL

KEFSTL

Reykjavik Keflavik Intl

Wed 8/13

9:35 am-11:22 pm

2 stops18h 47m

$732

ReykjavikSt. Louis

KEF - STL

KEFSTL

Reykjavik Keflavik Intl

Wed 8/13

12:00 pm-10:45 pm

1 stop15h 45m

$810

ReykjavikKansas City

KEF - MCI

KEFMCI

Reykjavik Keflavik Intl

Mon 8/11

9:35 am-11:03 pm

2 stops18h 28m

$947

ReykjavikSt. Louis

KEF - STL

KEFSTL

Reykjavik Keflavik Intl

Wed 8/13

9:30 am-9:35 pm

3 stops17h 05m

$1,427

ReykjavikKansas City

KEF - MCI

KEFMCI

Reykjavik Keflavik Intl

Sun 8/10

12:25 am-11:14 pm

2 stops27h 49m

$1,430

ReykjavikKansas City

KEF - MCI

KEFMCI

Reykjavik Keflavik Intl

Mon 8/11

12:00 pm-11:14 pm

1 stop16h 14m

$1,469

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 11 results
1
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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 July 30, 2025.
See what other customers who have flown with SWISS, United Airlines, and WestJet 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.
SWISS
7.5
Good
1,686 reviews

Overall

7.5

Crew

8.2

Food

7.1

Boarding

7.7

Comfort

7.4

Entertainment

6.8

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.
SWISS
7.5
Good
1,686 reviews
SWISS
7.5
Good
1,686 reviews

Overall

7.5

Crew

8.2

Food

7.1

Boarding

7.7

Comfort

7.4

Entertainment

6.8

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.
United Airlines
7.4
Good
8,896 reviews
SWISS
7.5
Good
1,686 reviews

Overall

7.5

Crew

8.2

Food

7.1

Boarding

7.7

Comfort

7.4

Entertainment

6.8

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.
WestJet
7.2
Good
2,975 reviews
SWISS
7.5
Good
1,686 reviews

Overall

7.5

Crew

8.2

Food

7.1

Boarding

7.7

Comfort

7.4

Entertainment

6.8

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.
Air Canada
7.1
Good
9,837 reviews
SWISS
7.5
Good
1,686 reviews

Overall

7.5

Crew

8.2

Food

7.1

Boarding

7.7

Comfort

7.4

Entertainment

6.8

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.
Lufthansa
6.8
Okay
7,269 reviews
SWISS
7.5
Good
1,686 reviews

Overall

7.5

Crew

8.2

Food

7.1

Boarding

7.7

Comfort

7.4

Entertainment

6.8

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

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?

    $732 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Lufthansa and Air Canada, with prices starting from $810 and $1,427, 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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