HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Northern Ireland

$671+ Cheap flights from Missouri to Northern Ireland

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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BFS
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Missouri to Northern Ireland with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Missouri to Northern Ireland

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

Round-trip from

$671
(American Airlines)
From Missouri to Northern Ireland
Search Deals

Find flight deals from Missouri to Northern Ireland

Cheapest flights from Missouri to Northern Ireland
Explore the most affordable flight options available from Missouri to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

This American Airlines deal was found by Cheapflights users on 4/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/187:56 pmMCI - BHD
2 stops15h 34mAmerican Airlines
Wed 8/2710:00 amBHD - MCI
2 stops18h 53mAmerican Airlines
Deal found 4/30$671
This oojo deal was found by Cheapflights users on 4/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/197:49 pmMCI - BHD
2 stops33h 41mBritish Airways
Sat 8/27:05 amBHD - MCI
2 stops17h 59mBritish Airways
Deal found 4/30$1,051
This Travelocity deal was found by Cheapflights users on 4/30. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/146:00 amSTL - BHD
2 stops24h 55mBritish Airways
Mon 7/217:30 pmBHD - STL
2 stops30h 54mBritish Airways
Deal found 4/30$1,079
This Booking.com deal was found by Cheapflights users on 4/30. 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.
Tue 7/159:15 amSTL - BHD
2 stops26h 25mMultiple Airlines
Mon 7/217:00 amBHD - STL
3 stops21h 45mMultiple Airlines
Deal found 4/30$1,540
This StudentUniverse deal was found by Cheapflights users on 4/30. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/157:23 amSTL - BHD
3 stops23h 27mAer Lingus
Mon 7/2110:20 amBHD - STL
3 stops27h 36mAer Lingus
Deal found 4/30$1,560
This Gurufare deal was found by Cheapflights users on 4/30. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/184:27 pmMCI - BHD
2 stops19h 03mMultiple Airlines
Wed 8/279:50 amBHD - MCI
3 stops20h 09mMultiple Airlines
Deal found 4/30$1,614

Cheapflights Fare Finder

Customize your flight search to find flights from Missouri to Northern Ireland 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 May 1, 2025.
Use the filters below to find and compare flights from Missouri to Northern Ireland that are best for you.

Fly from

Missouri

Fly to

Northern Ireland

Route

Depart

Return

Price

Kansas CityBelfast

MCI - BHD

MCIBHD

Kansas City

Sat 7/19

7:49 pm-11:30 am

2 stops33h 41m

Belfast City

Sat 8/2

7:05 am-7:04 pm

2 stops17h 59m

$1,051

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Mon 7/14

6:00 am-12:55 pm

2 stops24h 55m

Belfast City

Mon 7/21

7:30 pm-8:24 pm

2 stops30h 54m

$1,079

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Tue 7/15

9:15 am-5:40 pm

2 stops26h 25m

Belfast City

Mon 7/21

7:00 am-10:45 pm

3 stops21h 45m

$1,540

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Tue 7/15

7:23 am-12:50 pm

3 stops23h 27m

Belfast City

Mon 7/21

10:20 am-7:56 am

3 stops27h 36m

$1,560

Kansas CityBelfast

MCI - BHD

MCIBHD

Kansas City

Wed 7/16

2:46 pm-6:40 pm

2 stops21h 54m

Belfast City

Fri 7/25

10:10 am-11:59 pm

3 stops19h 49m

$2,650

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Best time to book a flight from Missouri to Northern Ireland

Have a flexible travel schedule? Discover the best time to fly to Northern Ireland 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 Northern Ireland

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

Find hourly flight availability from Missouri to Northern Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 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 Northern Ireland as you normally would.

Rainfall in Northern Ireland by month

Plan your trip to Northern Ireland by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Northern Ireland ranges from 2.0 - 3.5 inches per month. October is typically the wettest month, when rainfall can reach 3.5 in. April is typically the driest time to visit Northern Ireland when rainfall is around 2.0 in.

Temperature in Northern Ireland by month

Plan your trip to Northern Ireland by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Northern Ireland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Northern Ireland

Get insights into the airlines that provide service to Northern Ireland. 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 Northern Ireland. Reviews last updated May 1, 2025.
American Airlines
7.2
Good
10,000 reviews

Comfort

7.2

Boarding

7.5

Entertainment

6.9

Food

6.5

Crew

8.0

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2025

MYR - CLT

This flight was impacted by a nearly 4, yes 4 hour delay. They replaced a 777 with another one and it had to be cleaned and catered before we could depart. Great crew did it without complaint.
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Comfort

7.2

Boarding

7.5

Entertainment

6.9

Food

6.5

Crew

8.0

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2025

MYR - CLT

This flight was impacted by a nearly 4, yes 4 hour delay. They replaced a 777 with another one and it had to be cleaned and catered before we could depart. Great crew did it without complaint.
Aer Lingus
7.0
Good
1,076 reviews
American Airlines
7.2
Good
10,000 reviews

Comfort

7.2

Boarding

7.5

Entertainment

6.9

Food

6.5

Crew

8.0

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2025

MYR - CLT

This flight was impacted by a nearly 4, yes 4 hour delay. They replaced a 777 with another one and it had to be cleaned and catered before we could depart. Great crew did it without complaint.
British Airways
6.6
Okay
6,842 reviews
American Airlines
7.2
Good
10,000 reviews

Comfort

7.2

Boarding

7.5

Entertainment

6.9

Food

6.5

Crew

8.0

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2025

MYR - CLT

This flight was impacted by a nearly 4, yes 4 hour delay. They replaced a 777 with another one and it had to be cleaned and catered before we could depart. Great crew did it without complaint.

Related info for your journey

Find useful and relevant information for your journey from Missouri to Northern Ireland. 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 Missouri to Northern Ireland that include hotel bookings?

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

  • How can I find direct flights from Missouri to Northern Ireland?

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

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

    Yes. Cheapflights offers flight deals from Missouri to Northern Ireland 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 Northern Ireland?

    Currently, February is the cheapest month in which you can book a flight from Missouri to Northern Ireland (average of $657). Flying from Missouri to Northern Ireland in June is currently the most expensive (average of $1,189). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Missouri to Northern Ireland

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Heathrow flights
Newark to Heathrow flights
John F Kennedy Intl to Gatwick flights
LaGuardia to Heathrow flights
Dulles Intl to Heathrow flights
Boston to Heathrow flights
Los Angeles to Heathrow flights
John F Kennedy Intl to London City flights
San Francisco to Heathrow flights
Newark to Gatwick flights
Seattle to Heathrow flights
O'Hare Intl to Heathrow flights
Baltimore to Heathrow flights
Dallas/Fort Worth to Heathrow flights
LaGuardia to Gatwick flights
Atlanta to Heathrow flights
Boston to Gatwick flights
Newark to London City flights
Miami to Heathrow flights
Hobby to Heathrow flights
Denver to Heathrow flights
Dulles Intl to Gatwick flights
Orlando to Heathrow flights
Reagan-National to Heathrow flights
John F Kennedy Intl to Stansted flights
Dulles Intl to London City flights
Boston to London City flights
Philadelphia to Heathrow flights
Reagan-National to Gatwick flights
George Bush Intcntl to Heathrow flights
Baltimore to Gatwick flights
Los Angeles to Gatwick flights
Stewart to Stansted flights
Los Angeles to London City flights
San Francisco to Gatwick flights
San Francisco to London City flights
Newark to Edinburgh flights
Austin to Heathrow flights
John F Kennedy Intl to Edinburgh flights
Seattle to Gatwick flights
Dallas/Fort Worth to Gatwick flights
Sky Harbor Intl to Heathrow flights
Orlando to Gatwick flights
John F Kennedy Intl to Luton flights
O'Hare Intl to Gatwick flights
Tampa to Heathrow flights
O'Hare Intl to London City flights
Minneapolis to Heathrow flights
Portland to Heathrow flights
Detroit to Heathrow flights

Top 2 airlines flying from Missouri to Northern Ireland

Discover the top 2 airlines that operate flights from Missouri to Northern Ireland. 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$658Average$724FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$676Average$676FlexibilityNo cancel feeOn-time70%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.