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$433+ 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 10/10. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — STL
Oct 26 — Nov 21
Sun 10/26
Sun 11/2
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 September 26, 2025.

Round-trip from

$829
(Kiwi.com)

One-way from

$433
(Kiwi.com)
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 September 26, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/26. 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.
Mon 11/104:55 pmKEF - STL
1 stop22h 12mMultiple Airlines
Mon 11/177:45 pmSTL - KEF
1 stop28h 20mMultiple Airlines
Deal found 9/26$829
This Kiwi.com deal was found by Cheapflights users on 9/24. 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.
Fri 10/243:05 pmKEF - MCI
2 stops29h 09mMultiple Airlines
Fri 10/318:28 pmMCI - KEF
1 stop28h 37mMultiple Airlines
Deal found 9/24$991
This Delta deal was found by Cheapflights users on 9/25. 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.
Sun 10/1211:25 amKEF - STL
1 stop13h 43mDelta
Thu 10/165:40 pmSTL - KEF
2 stops55h 40mDelta
Deal found 9/25$1,009
This Expedia deal was found by Cheapflights users on 9/24. 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.
Sat 11/87:50 amKEF - MCI
2 stops19h 18mScandinavian Airlines
Sat 11/152:50 pmMCI - KEF
2 stops37h 55mScandinavian Airlines
Deal found 9/24$1,033
This Priceline deal was found by Cheapflights users on 9/26. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/107:35 amKEF - STL
2 stops22h 09mScandinavian Airlines
Mon 11/1711:39 amSTL - KEF
2 stops41h 06mScandinavian Airlines
Deal found 9/26$1,036
This Kiwi.com deal was found by Cheapflights users on 9/24. 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.
Sun 11/94:55 pmKEF - MCI
1 stop32h 38mMultiple Airlines
Sun 11/1611:12 amMCI - KEF
2 stops36h 53mMultiple Airlines
Deal found 9/24$1,041
This oojo deal was found by Cheapflights users on 9/24. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/812:30 amKEF - MCI
2 stops50h 40mLufthansa
Sun 11/166:35 pmMCI - KEF
2 stops37h 45mLufthansa
Deal found 9/24$1,050
This Virgin Atlantic deal was found by Cheapflights users on 9/25. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/128:45 amKEF - STL
2 stops19h 56mVirgin Atlantic
Thu 10/165:15 pmSTL - KEF
2 stops56h 05mVirgin Atlantic
Deal found 9/25$1,116
This Kiwi.com deal was found by Cheapflights users on 9/24. 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.
Sat 11/84:50 pmKEF - MCI
2 stops23h 27mMultiple Airlines
Sat 11/158:28 pmMCI - KEF
1 stop27h 37mMultiple Airlines
Deal found 9/24$1,152
This oojo deal was found by Cheapflights users on 9/24. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/231:15 amKEF - MCI
2 stops25h 30mLufthansa
Fri 10/315:30 pmMCI - KEF
2 stops25h 05mLufthansa
Deal found 9/24$1,210
This Travelocity deal was found by Cheapflights users on 9/24. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2410:30 amKEF - MCI
2 stops39h 41mBritish Airways
Fri 10/317:00 amMCI - KEF
2 stops46h 40mBritish Airways
Deal found 9/24$1,212
This Lufthansa deal was found by Cheapflights users on 9/25. 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.
Sat 10/1112:25 amKEF - STL
2 stops20h 19mLufthansa
Thu 10/1612:25 pmSTL - KEF
2 stops30h 10mLufthansa
Deal found 9/25$1,226

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 September 26, 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

Mon 11/10

4:55 pm-9:07 am

1 stop22h 12m

Lambert-St Louis

Mon 11/17

7:45 pm-6:05 am

1 stop28h 20m

$829

ReykjavikSt. Louis

KEF - STL

KEFSTL

Reykjavik Keflavik Intl

Fri 2/13

6:10 pm-9:44 pm

2 stops33h 34m

Lambert-St Louis

Tue 2/17

6:32 pm-10:55 am

2 stops58h 23m

$964

ReykjavikKansas City

KEF - MCI

KEFMCI

Reykjavik Keflavik Intl

Fri 10/24

3:05 pm-3:14 pm

2 stops29h 09m

Kansas City

Fri 10/31

8:28 pm-6:05 am

1 stop28h 37m

$991

ReykjavikSt. Louis

KEF - STL

KEFSTL

Reykjavik Keflavik Intl

Sun 10/12

11:25 am-8:08 pm

1 stop13h 43m

Lambert-St Louis

Thu 10/16

5:40 pm-6:20 am

2 stops55h 40m

$1,009

ReykjavikKansas City

KEF - MCI

KEFMCI

Reykjavik Keflavik Intl

Sat 11/8

7:50 am-9:08 pm

2 stops19h 18m

Kansas City

Sat 11/15

2:50 pm-10:45 am

2 stops37h 55m

$1,033

ReykjavikKansas City

KEF - MCI

KEFMCI

Reykjavik Keflavik Intl

Sun 11/9

11:30 am-10:35 pm

2 stops41h 05m

Kansas City

Sun 11/16

9:59 am-10:45 am

2 stops18h 46m

$1,033

ReykjavikSt. Louis

KEF - STL

KEFSTL

Reykjavik Keflavik Intl

Mon 11/10

7:35 am-11:44 pm

2 stops22h 09m

Lambert-St Louis

Mon 11/17

11:39 am-10:45 am

2 stops41h 06m

$1,036

ReykjavikKansas City

KEF - MCI

KEFMCI

Reykjavik Keflavik Intl

Sun 11/9

4:55 pm-7:33 pm

1 stop32h 38m

Kansas City

Sun 11/16

11:12 am-6:05 am

2 stops36h 53m

$1,041

ReykjavikKansas City

KEF - MCI

KEFMCI

Reykjavik Keflavik Intl

Sat 11/8

12:30 am-9:10 pm

2 stops50h 40m

Kansas City

Sun 11/16

6:35 pm-2:20 pm

2 stops37h 45m

$1,050

ReykjavikSt. Louis

KEF - STL

KEFSTL

Reykjavik Keflavik Intl

Sun 10/12

8:45 am-11:41 pm

2 stops19h 56m

Lambert-St Louis

Thu 10/16

5:15 pm-6:20 am

2 stops56h 05m

$1,116

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/24

Showing 1-10 of 18 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.

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.

  • How long is the flight from Reykjavik Keflavik Intl Airport to Missouri?

    There are many flights that can get you from Reykjavik Keflavik Intl Airport to Missouri in 13h 43m. Fly via American Airlines, Delta, or Scandinavian Airlines to get the fastest option. The distance between Reykjavik Keflavik Intl Airport and Missouri is about 3191 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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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