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Iceland

$429+ Cheap flights from Missouri to Iceland

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 3/19. Fares are subject to change and may not be available on all flights or dates of travel.
STL — KEF
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Missouri to Iceland

Cheapest flights from Missouri to Iceland
Explore the most affordable flight options available from Missouri to Iceland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This Delta deal was found by Cheapflights users on 1/27. 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 4/222:10 pm
MCI
-
KEF
2 stops14h 20m
Delta
Wed 4/2911:25 am
KEF
-
MCI
1 stop12h 54m
Delta
Deal found 1/27$495
This KLM deal was found by Cheapflights users on 1/26. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/206:53 pm
SGF
-
KEF
2 stops33h 37m
KLM
Mon 4/2711:25 am
KEF
-
SGF
2 stops32h 36m
KLM
Deal found 1/26$547
This KLM deal was found by Cheapflights users on 1/27. 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 4/229:35 am
MCI
-
KEF
1 stop18h 55m
KLM
Wed 4/2911:25 am
KEF
-
MCI
1 stop12h 54m
KLM
Deal found 1/27$620
This United Airlines deal was found by Cheapflights users on 1/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1212:10 pm
STL
-
KEF
1 stop14h 45m
United Airlines
Wed 8/2610:00 am
KEF
-
STL
2 stops34h 21m
United Airlines
Deal found 1/26$687
This KLM deal was found by Cheapflights users on 1/28. 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 4/19:35 am
MCI
-
KEF
1 stop18h 55m
KLM
Wed 4/811:25 am
KEF
-
MCI
1 stop12h 54m
KLM
Deal found 1/28$690
This Virgin Atlantic deal was found by Cheapflights users on 1/28. 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.
Thu 4/1610:50 am
STL
-
KEF
2 stops17h 40m
Virgin Atlantic
Thu 4/2311:25 am
KEF
-
STL
2 stops14h 17m
Virgin Atlantic
Deal found 1/28$695
This Delta deal was found by Cheapflights users on 1/28. 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 4/19:35 am
MCI
-
KEF
1 stop18h 55m
Delta
Wed 4/811:25 am
KEF
-
MCI
2 stops16h 38m
Delta
Deal found 1/28$695
This United Airlines deal was found by Cheapflights users on 1/28. 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 9/81:30 pm
STL
-
KEF
1 stop13h 25m
United Airlines
Wed 9/169:15 am
KEF
-
STL
1 stop14h 02m
United Airlines
Deal found 1/28$727
This Expedia deal was found by Cheapflights users on 1/28. 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 10/36:49 pm
STL
-
KEF
2 stops32h 56m
Air Canada
Tue 10/1310:00 am
KEF
-
STL
2 stops33h 18m
Air Canada
Deal found 1/28$733
This KLM deal was found by Cheapflights users on 1/28. 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.
Tue 9/811:51 am
STL
-
KEF
2 stops13h 29m
KLM
Wed 9/1611:25 am
KEF
-
STL
2 stops17h 12m
KLM
Deal found 1/28$739
This Gotogate deal was found by Cheapflights users on 1/26. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1312:10 pm
STL
-
KEF
2 stops39h 35m
Air Canada
Wed 8/2610:00 am
KEF
-
STL
2 stops33h 18m
Air Canada
Deal found 1/26$746
This United Airlines deal was found by Cheapflights users on 1/27. 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 9/221:30 pm
STL
-
KEF
1 stop13h 25m
United Airlines
Tue 9/2910:00 am
KEF
-
STL
2 stops35h 35m
United Airlines
Deal found 1/27$748

Find flight deals from Missouri to Iceland

Keep the following information in mind while searching for Missouri to Iceland flight deals. Data was last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$495
(Delta)

One-way from

$429
(Kiwi.com)

Popular in

March

Cheapest in

February

Average price

$701
Provider with most accurate pricing for Lambert-St Louis-Reykjavik (REK) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Reykjavik (REK) flights.
Search Deals
From Missouri to Iceland
Search Deals
One-way flight from Missouri to Iceland
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($76 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Missouri to Iceland 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 January 29, 2026.
Use the filters below to find and compare flights from Missouri to Iceland that are best for you.

Fly from

Missouri

Fly to

Iceland

Route

Depart

Return

Price

Kansas CityReykjavik

MCI - KEF

MCIKEF

Kansas City

Wed 4/22

2:10 pm-9:30 am

2 stops14h 20m

Reykjavik Keflavik Intl

Wed 4/29

11:25 am-11:01 pm

2 stops16h 36m

$495

SpringfieldReykjavik

SGF - KEF

SGFKEF

Springfield-Branson

Mon 4/20

6:53 pm-9:30 am

2 stops33h 37m

Reykjavik Keflavik Intl

Mon 4/27

11:25 am-3:01 pm

2 stops32h 36m

$547

Kansas CityReykjavik

MCI - KEF

MCIKEF

Kansas City

Wed 4/22

9:35 am-9:30 am

1 stop18h 55m

Reykjavik Keflavik Intl

Wed 4/29

11:25 am-7:19 pm

1 stop12h 54m

$620

Kansas CityReykjavik

MCI - KEF

MCIKEF

Kansas City

Wed 4/1

9:35 am-9:30 am

1 stop18h 55m

Reykjavik Keflavik Intl

Wed 4/8

11:25 am-7:19 pm

1 stop12h 54m

$690

Kansas CityReykjavik

MCI - KEF

MCIKEF

Kansas City

Wed 4/1

9:35 am-9:30 am

1 stop18h 55m

Reykjavik Keflavik Intl

Wed 4/8

11:25 am-11:03 pm

2 stops16h 38m

$695

Kansas CityReykjavik

MCI - KEF

MCIKEF

Kansas City

Wed 4/1

2:15 pm-9:30 am

2 stops14h 15m

Reykjavik Keflavik Intl

Wed 4/8

11:25 am-7:19 pm

1 stop12h 54m

$745

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Tue 7/7

5:00 am-8:45 am

2 stops22h 45m

Reykjavik Keflavik Intl

Tue 7/14

9:15 am-6:32 pm

1 stop14h 17m

$837

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Fri 4/3

3:30 pm-11:25 pm

1 stop26h 55m

Reykjavik Keflavik Intl

Sat 4/11

12:20 am-9:08 pm

2 stops49h 48m

$837

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Sun 7/12

11:51 am-9:30 am

2 stops16h 39m

Reykjavik Keflavik Intl

Tue 7/21

11:25 am-11:37 pm

2 stops17h 12m

$843

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Thu 4/2

7:03 am-9:30 am

2 stops21h 27m

Reykjavik Keflavik Intl

Fri 4/10

11:25 am-11:25 pm

2 stops41h 00m

$858

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 30 results
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Best time to book a flight from Missouri to Iceland

Have a flexible travel schedule? Discover the best time to fly to Iceland 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.

Cheapflights Insights

Everything you need to know about your flight from Missouri to Iceland
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 Missouri to Iceland. 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 Missouri to Iceland?

    For as low as $495, Delta can have you in Iceland from Missouri in 14h 20m. Airlines will cover a distance of 3291 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

  • How can I find direct flights from Missouri to Iceland?

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

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

    Yes. Cheapflights offers flight deals from Missouri to Iceland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Missouri to Iceland

See prices for flight routes from nearby airports that may be better suited for you.
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LaGuardia to Gatwick flights
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Dulles Intl to Charles de Gaulle flights
John F Kennedy Intl to Barcelona-El Prat flights
LaGuardia to Leonardo da Vinci/Fiumicino flights
Seattle to Heathrow flights
O'Hare Intl to Charles de Gaulle flights
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Baltimore to Heathrow flights
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Dulles Intl to Leonardo da Vinci/Fiumicino flights
San Francisco to Charles de Gaulle flights
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Newark to Lisbon flights
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Dallas/Fort Worth to Leonardo da Vinci/Fiumicino flights

Top 4 airlines flying from Missouri to Iceland

Discover the top 4 airlines that operate flights from Missouri to Iceland. 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$370Average$1,016FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$566Average$768FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$595Average$925FlexibilityNo cancel feeOn-time69%
DeltaCheapest$636Average$1,097FlexibilityNo cancel feeOn-timeN/A

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