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Iceland

$328+ 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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
STL — KEF
Aug 6 — Aug 131
Wed 8/6
Wed 8/13
1 adult, Economy
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Cheap flight deals from Missouri to Iceland

Keep the following information in mind while searching for Missouri to Iceland flight deals. Data was last updated August 1, 2025.

Round-trip from

$552
(KLM)

One-way from

$328
(Mytrip)

Popular in

June

Cheapest in

February

Average price

$789
From Missouri to Iceland
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One-way flight from Missouri to Iceland
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Highest demand for flights based on searches. 14% potential increase in price ($161 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find 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 August 1, 2025.

This KLM deal was found by Cheapflights users on 7/31. 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 9/2211:04 amSTL - KEF
2 stops14h 16mKLM
Wed 10/111:25 amKEF - STL
2 stops15h 35mKLM
Deal found 7/31$552
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.
Wed 9/174:05 pmSTL - KEF
1 stop11h 10mUnited Airlines
Tue 9/239:50 amKEF - STL
2 stops41h 26mUnited Airlines
Deal found 7/30$562
This KLM deal was found by Cheapflights users on 8/1. 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 9/2910:33 amMCI - KEF
1 stop14h 47mKLM
Tue 10/78:45 amKEF - MCI
1 stop13h 21mKLM
Deal found 8/1$563
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/292:13 pmMCI - KEF
2 stops14h 17mMultiple Airlines
Tue 10/78:45 amKEF - MCI
1 stop13h 21mMultiple Airlines
Deal found 7/30$568
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/161:30 pmSTL - KEF
2 stops37h 45mAir Canada
Fri 8/299:30 amKEF - STL
1 stop15h 30mAir Canada
Deal found 7/30$606
This United Airlines deal was found by Cheapflights users on 7/31. 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 9/156:29 pmMCI - KEF
1 stop9h 01mUnited Airlines
Mon 9/229:50 amKEF - MCI
2 stops29h 47mUnited Airlines
Deal found 7/31$619
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/228:05 amJLN - KEF
2 stops19h 15mUnited Airlines
Tue 8/269:50 amKEF - JLN
2 stops36h 10mUnited Airlines
Deal found 7/29$631
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/64:05 pmSTL - KEF
1 stop11h 10mMultiple Airlines
Fri 10/1712:25 amKEF - STL
2 stops20h 19mMultiple Airlines
Deal found 7/30$633
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.
Fri 8/227:30 amMCI - KEF
2 stops19h 50mAir Canada
Tue 8/269:50 amKEF - MCI
2 stops33h 30mAir Canada
Deal found 7/29$635
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/117:04 pmSTL - KEF
2 stops23h 31mLufthansa
Mon 9/1512:25 amKEF - STL
2 stops20h 19mLufthansa
Deal found 7/29$704
This Air France deal was found by Cheapflights users on 7/31. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/78:46 amSTL - KEF
1 stop17h 14mAir France
Tue 9/168:45 amKEF - STL
1 stop12h 52mAir France
Deal found 7/31$714
This United Airlines deal was found by Cheapflights users on 7/31. 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 8/233:11 pmSGF - KEF
2 stops36h 04mUnited Airlines
Wed 8/279:30 amKEF - SGF
2 stops34h 06mUnited Airlines
Deal found 7/31$1,485

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 August 1, 2025.
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

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Mon 9/22

2:15 pm-6:20 am

1 stop11h 05m

Reykjavik Keflavik Intl

Wed 10/1

11:25 am-4:48 pm

1 stop10h 23m

$552

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Wed 9/17

4:05 pm-8:15 am

1 stop11h 10m

Reykjavik Keflavik Intl

Tue 9/23

9:50 am-10:16 pm

2 stops41h 26m

$562

Kansas CityReykjavik

MCI - KEF

MCIKEF

Kansas City

Mon 9/29

10:33 am-6:20 am

1 stop14h 47m

Reykjavik Keflavik Intl

Tue 10/7

8:45 am-5:06 pm

1 stop13h 21m

$563

Kansas CityReykjavik

MCI - KEF

MCIKEF

Kansas City

Mon 9/29

2:13 pm-9:30 am

2 stops14h 17m

Reykjavik Keflavik Intl

Tue 10/7

8:45 am-5:06 pm

1 stop13h 21m

$568

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Sat 8/16

1:30 pm-8:15 am

2 stops37h 45m

Reykjavik Keflavik Intl

Fri 8/29

9:30 am-8:00 pm

1 stop15h 30m

$606

Kansas CityReykjavik

MCI - KEF

MCIKEF

Kansas City

Mon 9/15

6:29 pm-8:30 am

1 stop9h 01m

Reykjavik Keflavik Intl

Mon 9/22

9:50 am-2:20 pm

3 stops33h 30m

$619

JoplinReykjavik

JLN - KEF

JLNKEF

Joplin

Fri 8/22

8:05 am-8:20 am

2 stops19h 15m

Reykjavik Keflavik Intl

Tue 8/26

9:50 am-5:00 pm

2 stops36h 10m

$631

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Mon 10/6

4:05 pm-8:15 am

1 stop11h 10m

Reykjavik Keflavik Intl

Fri 10/17

12:25 am-3:44 pm

2 stops20h 19m

$633

Kansas CityReykjavik

MCI - KEF

MCIKEF

Kansas City

Fri 8/22

7:30 am-8:20 am

2 stops19h 50m

Reykjavik Keflavik Intl

Tue 8/26

9:50 am-2:20 pm

2 stops33h 30m

$635

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Thu 9/11

7:04 pm-11:35 pm

2 stops23h 31m

Reykjavik Keflavik Intl

Mon 9/15

12:25 am-3:44 pm

2 stops20h 19m

$704

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 22 results
1
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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

What is the cheapest month to book a flight from Missouri to Iceland?

Currently, November is the cheapest month in which you can book a flight from Missouri to Iceland (average of $328). Flying from Missouri to Iceland in June is currently the most expensive (average of $653). 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.

What is the cheapest time of day to fly from MO to IS?

Find hourly flight availability from Missouri to Iceland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 1, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Missouri to Iceland as you normally would.

Reviews of airlines servicing Iceland

Get insights into the airlines that provide service to Iceland. 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 Iceland. Reviews last updated August 1, 2025.
Peruse reviews from past customers who have flown with KLM, Air France, and United Airlines from Missouri to Iceland to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,383 reviews

Entertainment

7.1

Comfort

7.7

Boarding

7.8

Food

7.3

Overall

7.8

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,383 reviews
KLM
7.8
Good
1,383 reviews

Entertainment

7.1

Comfort

7.7

Boarding

7.8

Food

7.3

Overall

7.8

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Air France
7.5
Good
1,465 reviews
KLM
7.8
Good
1,383 reviews

Entertainment

7.1

Comfort

7.7

Boarding

7.8

Food

7.3

Overall

7.8

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
United Airlines
7.4
Good
8,900 reviews
KLM
7.8
Good
1,383 reviews

Entertainment

7.1

Comfort

7.7

Boarding

7.8

Food

7.3

Overall

7.8

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
WestJet
7.2
Good
2,978 reviews
KLM
7.8
Good
1,383 reviews

Entertainment

7.1

Comfort

7.7

Boarding

7.8

Food

7.3

Overall

7.8

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Air Canada
7.1
Good
9,851 reviews
KLM
7.8
Good
1,383 reviews

Entertainment

7.1

Comfort

7.7

Boarding

7.8

Food

7.3

Overall

7.8

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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.

  • What are the cheapest airlines to fly from Missouri to Iceland one-way?

    To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at $440. United Airlines flights start at $445 while deals on WestJet start at $609 one-way.

  • 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.

  • What is the cheapest month to book a flight from Missouri to Iceland?

    Currently, November is the cheapest month in which you can book a flight from Missouri to Iceland (average of $328). Flying from Missouri to Iceland in June is currently the most expensive (average of $653). 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 Missouri to Iceland

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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 August 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$370Average$1,023FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$566Average$748FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$586Average$935FlexibilityNo cancel feeOn-time69%
DeltaCheapest$636Average$1,010FlexibilityNo cancel feeOn-timeN/A

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