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Northern Ireland

$266+ Cheap flights from Washington to Northern Ireland

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 11/25. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BFS
Nov 5 — Nov 121
1 adult
Tue 11/5
Tue 11/12
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Find flight deals from Washington to Northern Ireland

Cheapest flights from Washington to Northern Ireland
Explore the most affordable flight options available from Washington to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 31, 2024.

This Booking.com deal was found by Cheapflights users on 10/31. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/89:00 amSEA - BHD
2 stops20h 55mBritish Airways
Mon 12/232:40 pmBHD - SEA
1 stop28h 40mBritish Airways
Deal found 10/31$772
This Delta deal was found by Cheapflights users on 10/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/272:05 pmSEA - BHD
1 stop22h 55mDelta
Tue 12/35:20 pmBHD - SEA
1 stop26h 32mDelta
Deal found 10/30$781
This Finnair deal was found by Cheapflights users on 10/30. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/256:50 pmSEA - BHD
1 stop15h 45mMultiple Airlines
Thu 12/56:35 amBHD - SEA
1 stop18h 20mMultiple Airlines
Deal found 10/30$808
This Finnair deal was found by Cheapflights users on 10/30. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/256:50 pmSEA - BHD
1 stop15h 45mFinnair
Wed 12/43:40 pmBHD - SEA
2 stops36h 11mFinnair
Deal found 10/30$827
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2111:44 amSEA - BFS
2 stops35h 56mMultiple Airlines
Wed 12/45:30 pmBFS - SEA
1 stop26h 45mMultiple Airlines
Deal found 10/30$867
This FlightHub deal was found by Cheapflights users on 10/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/248:00 pmSEA - BHD
2 stops16h 50mAer Lingus
Tue 12/36:00 pmBHD - SEA
2 stops32h 15mAer Lingus
Deal found 10/30$957
This American Airlines deal was found by Cheapflights users on 10/31. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/86:13 amSEA - BHD
2 stops26h 37mAmerican Airlines
Mon 12/239:10 amBHD - SEA
2 stops22h 21mAmerican Airlines
Deal found 10/31$1,020
This KLM deal was found by Cheapflights users on 10/30. 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.
Sun 11/242:05 pmSEA - BHD
1 stop22h 55mKLM
Tue 12/35:20 pmBHD - SEA
1 stop26h 32mKLM
Deal found 10/30$1,081
This AranGrant deal was found by Cheapflights users on 10/30. 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 AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/306:50 pmSEA - BHD
1 stop15h 45mIberia
Fri 1/102:50 pmBHD - SEA
1 stop28h 30mIberia
Deal found 10/30$4,008

Find flights from Washington to Northern Ireland within your budget

Customize your flight search to find flights from Washington 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 2,570,725 searches. Data last updated October 31, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

PortlandBelfast

PDX - BFS

PDXBFS

Portland

Mon 11/25

9:20 pm-5:55 pm

2 stops36h 35m

$266

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Sun 11/24

6:30 pm-3:30 pm

1 stop13h 00m

$404

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Sun 11/24

11:15 pm-9:00 pm

2 stops37h 45m

$435

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Thu 1/2

5:40 am-10:20 am

2 stops20h 40m

$449

SeattleBelfast

SEA - BHD

SEABHD

Seattle/Tacoma Intl

Tue 11/26

2:05 pm-4:50 pm

1 stop18h 45m

$473

SeattleBelfast

SEA - BHD

SEABHD

Seattle/Tacoma Intl

Mon 11/25

6:50 pm-4:15 pm

1 stop13h 25m

$487

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Wed 11/20

6:30 pm-7:10 pm

1 stop16h 40m

$528

SeattleBelfast

SEA - BFS

SEABFS

Seattle/Tacoma Intl

Thu 11/21

11:44 am-7:40 am

2 stops35h 56m

$275

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Mon 11/25

9:20 pm-1:30 pm

2 stops32h 10m

$280

SeattleBelfast

SEA - BHD

SEABHD

Seattle/Tacoma Intl

Mon 11/25

5:28 pm-1:30 pm

2 stops36h 02m

$298

Flights are sorted by cheapest first

Deals found on 10/30

Showing 1-10 of 30 results
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Best time to book a flight from Washington to Northern Ireland

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

Travel insights for flights from Washington to Northern Ireland

Get recent, data-driven insights about flights from Washington to Northern Ireland including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from State of Washington to Northern Ireland?

Currently, February is the cheapest month in which you can book a flight from State of Washington to Northern Ireland (average of $641). Flying from State of Washington to Northern Ireland in June is currently the most expensive (average of $1,175). 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 WA to NIR?

Find hourly flight availability from Washington 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 October 31, 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from State of Washington 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 October 31, 2024.
Read through reviews of airlines operating flights from Washington to Northern Ireland, such as British Airways, Aer Lingus and Delta. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,835 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,835 reviews
Delta
8.0
Very good
8,835 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,352 reviews
Delta
8.0
Very good
8,835 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair
7.7
Good
1,318 reviews
Delta
8.0
Very good
8,835 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,835 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Aer Lingus
7.1
Good
1,087 reviews
Delta
8.0
Very good
8,835 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Washington 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 flights from State of Washington to Northern Ireland for under $700 on Cheapflights?

    Yes, there are multiple flights from State of Washington to Northern Ireland for under $700. The cheapest flight booked recently is on Finnair for just $653, but on average you can expect to pay $1,017.

  • Are there last-minute flights available from State of Washington to Northern Ireland for under $900?

    There are currently 2+ open flights from State of Washington to Northern Ireland within the next 7 days for less than $900.

  • What are the cheapest airlines to fly from State of Washington to Northern Ireland one-way?

    To fly one-way, consider booking your trip with British Airways, which is currently one of the cheapest options available, starting at $404. Delta flights start at $435 while deals on American Airlines start at $449 one-way.

  • What does SEA to BFS mean?

    Seattle/Tacoma Intl Airport is SEA and Belfast Intl Airport is BFS. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service. Belfast City Airport (BHD), Londonderry Eglinton Airport (LDY) are some additional IATA codes for airports related to your trip.

  • Can I find deals for flights from Washington to Northern Ireland that include extra baggage allowance?

    The amount of baggage you can bring on your Washington to Northern Ireland flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Washington to Northern Ireland with specific airlines?

    Yes, Cheapflights allows you to browse and filter Washington to Northern Ireland flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Washington to Northern Ireland that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Washington 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.

  • Can I find deals for flights from Washington to Northern Ireland that allow pets onboard?

    Many airlines flying from Washington to Northern Ireland offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Washington to Northern Ireland?

    Yes, you can often find last-minute deals on Washington to Northern Ireland flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the State of Washington to Northern Ireland flight deals updated?

    The State of Washington to Northern Ireland flight deals you see on this page were last updated on 10/31.

  • What is the cheapest month to book a flight from State of Washington to Northern Ireland?

    Currently, February is the cheapest month in which you can book a flight from State of Washington to Northern Ireland (average of $641). Flying from State of Washington to Northern Ireland in June is currently the most expensive (average of $1,175). 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.

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Top 2 airlines flying from Washington to Northern Ireland

Discover the top 2 airlines that operate flights from Washington 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 2,570,725 searches. Data last updated October 31, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$573Average$797FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$576Average$1,007FlexibilityNo cancel feeOn-time70%
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