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Cheap flights from Seattle to Belfast City Airport from £413

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 28/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SEA — BHD
20 Mai — 27 Mai1
1 adult
Mo 20/5
Mo 27/5

Cheap flight deals from Seattle to Belfast City

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Belfast City (BHD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 15 Mai 2024.

Round-trip from

£49
From Seattle/Tacoma Intl to Belfast City
Search Deals

What is the cheapest month to fly from Seattle to Belfast City Airport?

Our data shows that April tends to be the cheapest month to fly to Belfast City Airport from Seattle. Users have commonly found prices around £820 for the month, but tickets can be as low as £569. Due to multiple factors, prepare for potentially higher prices in June.

When is the cheapest time to fly from Seattle to Belfast City Airport (SEA - BHD)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Belfast City Airport as you normally would.

Cheap American Airlines flights from Seattle to Belfast City

Explore cheap flight options specifically provided by American Airlines for the route between Seattle and Belfast City. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 849,850 searches. Data last updated 15 Mai 2024.
Take a look at some of the lowest-priced American Airlines flights heading from Seattle to Belfast. Make sure to check back often as deals are often changing.
Mo 5/813:30SEA - BHD
1 stop15h 20mAmerican Airlines
Mo 16/913:50BHD - SEA
1 stop29h 45mAmerican Airlines
Deal found 14/5£511
Mo 5/813:29SEA - BHD
2 stops19h 56mAmerican Airlines
Mo 16/912:20BHD - SEA
1 stop31h 15mAmerican Airlines
Deal found 14/5£514
Do 10/1007:37SEA - BHD
2 stops19h 23mAmerican Airlines
Fr 1/1106:50BHD - SEA
2 stops23h 02mAmerican Airlines
Deal found 15/5£531
Sa 7/911:33SEA - BHD
2 stops19h 32mAmerican Airlines
Sa 21/906:50BHD - SEA
1 stop12h 45mAmerican Airlines
Deal found 15/5£594
Mo 5/813:29SEA - BHD
2 stops19h 56mAmerican Airlines
Mo 19/809:50BHD - SEA
2 stops20h 06mAmerican Airlines
Deal found 14/5£598
Sa 24/813:26SEA - BHD
2 stops19h 24mAmerican Airlines
So 1/906:50BHD - SEA
2 stops23h 06mAmerican Airlines
Deal found 15/5£602
Sa 10/813:26SEA - BHD
2 stops18h 59mAmerican Airlines
Sa 24/816:15BHD - SEA
1 stop27h 15mAmerican Airlines
Deal found 15/5£630
Sa 10/813:26SEA - BHD
2 stops17h 39mAmerican Airlines
Sa 24/806:50BHD - SEA
2 stops20h 30mAmerican Airlines
Deal found 15/5£638
Fr 4/1011:33SEA - BHD
2 stops18h 07mAmerican Airlines
Di 8/1009:45BHD - SEA
2 stops19h 26mAmerican Airlines
Deal found 14/5£716

Cheap British Airways flights from Seattle to Belfast City

Explore cheap flight options specifically provided by British Airways for the route between Seattle and Belfast City. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 849,850 searches. Data last updated 15 Mai 2024.
To aid your search, here are some of the cheapest British Airways flights we've found from Seattle to Belfast. Deals are refreshing constantly so come back soon for more options.
Do 10/1019:40SEA - BHD
1 stop11h 55mBritish Airways
Fr 1/1106:50BHD - SEA
1 stop17h 55mBritish Airways
Deal found 15/5£515
Do 10/1019:40SEA - BHD
1 stop14h 00mBritish Airways
Fr 1/1106:50BHD - SEA
2 stops20h 38mBritish Airways
Deal found 15/5£523
Mo 5/806:03SEA - BHD
2 stops22h 47mBritish Airways
Mo 16/918:30BHD - SEA
2 stops32h 22mBritish Airways
Deal found 14/5£546
Mo 5/813:30SEA - BHD
1 stop15h 20mBritish Airways
Mo 19/819:30BHD - SEA
2 stops29h 35mBritish Airways
Deal found 14/5£557
Fr 4/1019:40SEA - BHD
1 stop14h 30mBritish Airways
Di 8/1006:35BHD - SEA
1 stop13h 00mBritish Airways
Deal found 13/5£568
Fr 4/1019:40SEA - BHD
1 stop14h 30mBritish Airways
Di 8/1013:40BHD - SEA
1 stop29h 55mBritish Airways
Deal found 14/5£569
Sa 24/813:50SEA - BHD
1 stop12h 20mBritish Airways
So 1/911:20BHD - SEA
2 stops18h 36mBritish Airways
Deal found 15/5£598
Sa 14/919:40SEA - BHD
1 stop15h 15mBritish Airways
Sa 28/918:55BHD - SEA
1 stop30h 50mBritish Airways
Deal found 15/5£610
Fr 4/1011:33SEA - BHD
2 stops19h 52mBritish Airways
Di 8/1006:35BHD - SEA
1 stop19h 10mBritish Airways
Deal found 13/5£653

Seattle to Belfast City 2024 flight deals

Discover exclusive flight deals for travel between Seattle and Belfast City in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 849,850 searches. Data last updated 15 Mai 2024.
Check out some of the best flight deals from Seattle to Belfast in 2024. Check back regularly for other flight deals.
Do 10/1019:40SEA - BHD
1 stop11h 55mBritish Airways
Fr 1/1106:50BHD - SEA
1 stop17h 55mBritish Airways
Deal found 15/5£515
Do 10/1019:40SEA - BHD
1 stop14h 00mBritish Airways
Fr 1/1106:50BHD - SEA
2 stops20h 38mBritish Airways
Deal found 15/5£523
Do 10/1007:37SEA - BHD
2 stops19h 23mAmerican Airlines
Fr 1/1106:50BHD - SEA
2 stops23h 02mAmerican Airlines
Deal found 15/5£531
Di 29/1019:45SEA - BHD
1 stop13h 55mBritish Airways
So 3/1109:40BHD - SEA
1 stop15h 05mBritish Airways
Deal found 15/5£547
Di 29/1013:39SEA - BHD
2 stops20h 01mAmerican Airlines
So 3/1115:05BHD - SEA
1 stop33h 40mAmerican Airlines
Deal found 15/5£551
Di 29/1006:00SEA - BHD
2 stops21h 40mAmerican Airlines
So 3/1105:35BHD - SEA
2 stops21h 53mAmerican Airlines
Deal found 15/5£559
Fr 4/1019:40SEA - BHD
1 stop14h 30mBritish Airways
Di 8/1013:40BHD - SEA
1 stop29h 55mBritish Airways
Deal found 14/5£569
Sa 7/911:33SEA - BHD
2 stops19h 32mAmerican Airlines
Sa 21/906:50BHD - SEA
1 stop12h 45mAmerican Airlines
Deal found 15/5£594
Fr 4/1006:30SEA - BHD
2 stops26h 20mDelta
Di 8/1017:20BHD - SEA
1 stop25h 15mDelta
Deal found 14/5£596

One-way flights to Belfast City from Seattle

Search for one-way flight options from Seattle to Belfast City. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 849,850 searches. Data last updated 15 Mai 2024.
Users travelling one-way from Seattle to Belfast can select one of these great deals. Users in need of a round-trip flight from Seattle to Belfast instead should update the search form at the top of page.
Di 28/509:35SEA - BHD
3 stops48h 05mMultiple Airlines
Deal found 14/5£413
Di 28/509:35SEA - BHD
3 stops48h 05mMultiple Airlines
Deal found 15/5£441
Fr 26/718:10SEA - BHD
1 stop14h 40mDelta
Deal found 15/5£465
Fr 26/711:30SEA - BHD
2 stops21h 20mDelta
Deal found 15/5£469
Di 28/520:14SEA - BHD
2 stops39h 46mMultiple Airlines
Deal found 14/5£525
Di 28/520:14SEA - BHD
2 stops39h 46mMultiple Airlines
Deal found 14/5£530
Di 28/519:40SEA - BHD
1 stop15h 15mBritish Airways
Deal found 14/5£541
Di 28/513:22SEA - BHD
2 stops20h 03mAmerican Airlines
Deal found 15/5£545
Mo 27/501:15SEA - BHD
2 stops27h 40mAmerican Airlines
Deal found 14/5£580

Find flights from Seattle to Belfast City within your budget

Customise your flight search to find flights from Seattle to Belfast City 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 849,850 searches. Data last updated 15 Mai 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£511 - £854

Route

Depart

Return

Price

Seattle/Tacoma IntlBelfast City

SEA - BHD

SEABHD

Seattle/Tacoma Intl

Mo 5/8

1 stop15h 20m

Belfast City

Mo 16/9

1 stop29h 45m

£511

Seattle/Tacoma IntlBelfast City

SEA - BHD

SEABHD

Seattle/Tacoma Intl

Mo 5/8

2 stops19h 56m

Belfast City

Mo 16/9

1 stop31h 15m

£514

Seattle/Tacoma IntlBelfast City

SEA - BHD

SEABHD

Seattle/Tacoma Intl

Do 10/10

1 stop11h 55m

Belfast City

Fr 1/11

1 stop17h 55m

£515

Seattle/Tacoma IntlBelfast City

SEA - BHD

SEABHD

Seattle/Tacoma Intl

Do 10/10

1 stop14h 00m

Belfast City

Fr 1/11

2 stops20h 38m

£523

Seattle/Tacoma IntlBelfast City

SEA - BHD

SEABHD

Seattle/Tacoma Intl

Do 10/10

2 stops19h 23m

Belfast City

Fr 1/11

2 stops23h 02m

£531

Seattle/Tacoma IntlBelfast City

SEA - BHD

SEABHD

Seattle/Tacoma Intl

Mo 5/8

2 stops22h 47m

Belfast City

Mo 16/9

2 stops32h 22m

£546

Seattle/Tacoma IntlBelfast City

SEA - BHD

SEABHD

Seattle/Tacoma Intl

Mo 5/8

1 stop15h 20m

Belfast City

Mo 19/8

2 stops29h 35m

£557

Seattle/Tacoma IntlBelfast City

SEA - BHD

SEABHD

Seattle/Tacoma Intl

Fr 4/10

2 stops26h 20m

Belfast City

Di 8/10

1 stop25h 15m

£596

Seattle/Tacoma IntlBelfast City

SEA - BHD

SEABHD

Seattle/Tacoma Intl

Mo 5/8

2 stops21h 00m

Belfast City

Mo 16/9

3 stops21h 31m

£854

Flights are sorted by cheapest first

Deals found on 14/5

No data available for this route at this time. Please check back soon.

Average price of flights to Belfast City by month

Plan your trip from Seattle to Belfast City by taking into account the cheapest months to travel. The average price of a one-way flight from Seattle to Belfast City is currently £501 while a return flight costs £572. Price data was last updated on 12 May 2024.

Currently, March is the cheapest month in which you can book a flight from Seattle to Belfast City Airport (average of £94). Flying from Seattle to Belfast City Airport in August is currently the most expensive (average of £121). 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.

January

£77

February

£77

March

£74

April

£78

May

£82

June

£82

July

£93

August

£96

September

£85

October

£82

November

£77

December

£78

Temperature and rainfall in Belfast City by month

Plan your trip to Belfast City by taking into account the average temperature and rainfall totals by month.

BFS

Temperature

5 - 16 °C

Reviews of airlines servicing Belfast City

Get insights into the airlines that provide service to Belfast City. 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 Belfast City. Reviews last updated 15 Mai 2024.
See what other customers who have flown with American Airlines, British Airways and Delta from Seattle to Belfast have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
10,691 reviews
Check prices

Food

7.4

Overall

8.0

Crew

8.6

Comfort

7.9

Entertainment

8.0

Boarding

8.2

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Delta
8.0
Very Good
10,691 reviews
Delta
8.0
Very Good
10,691 reviews
Check prices

Food

7.4

Overall

8.0

Crew

8.6

Comfort

7.9

Entertainment

8.0

Boarding

8.2

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

American Airlines
7.3
Good
14,535 reviews
Delta
8.0
Very Good
10,691 reviews
Check prices

Food

7.4

Overall

8.0

Crew

8.6

Comfort

7.9

Entertainment

8.0

Boarding

8.2

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Lufthansa
7.0
Good
7,665 reviews
Delta
8.0
Very Good
10,691 reviews
Check prices

Food

7.4

Overall

8.0

Crew

8.6

Comfort

7.9

Entertainment

8.0

Boarding

8.2

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

British Airways
6.8
Okay
6,837 reviews
Delta
8.0
Very Good
10,691 reviews
Check prices

Food

7.4

Overall

8.0

Crew

8.6

Comfort

7.9

Entertainment

8.0

Boarding

8.2

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Belfast City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Seattle to Belfast City?

    Seattle/Tacoma Intl (SEA) is the airport you will fly out of if you book a flight from Seattle to Belfast City. You should not have trouble finding flights to Belfast City from Seattle/Tacoma Intl; the airport handles an average of 0 outbound flights to Belfast City per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Seattle airport to Belfast City. It is only a 11.4 mi journey to Seattle/Tacoma Intl (SEA) from Seattle’s city center.

  • Can I find flights from Seattle to Belfast City Airport for under £600 on Cheapflights?

    Yes, there are multiple flights from Seattle to Belfast City Airport for under £600. The cheapest flight booked recently is on American Airlines for just £511, but on average you can expect to pay £586.

  • What are the cheapest airlines flying from Seattle to Belfast City Airport round-trip?

    Cheapflights users have booked flights from Seattle to Belfast City Airport round-trip from £511. Other airlines that can offer you cheap pricing are British Airways, from £515, and Delta, from £596.

  • What are the cheapest airlines to fly from Seattle to Belfast City Airport one-way?

    For one-way options, check prices for Delta. According to our data, you can fly for as low as £465. Users have also found prices from £541 and £545 on British Airways and American Airlines, respectively.

  • What does SEA to BHD mean?

    Great question - SEA to BHD just means Seattle/Tacoma Intl Airport to Belfast City Airport. Now you’ll know what these unique codes when you look for flights!

  • Can I find deals for flights from Seattle to Belfast City that include extra baggage allowance?

    The amount of baggage you can bring on your Seattle to Belfast City 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 Seattle to Belfast City with specific airlines?

    Yes, Cheapflights allows you to browse and filter Seattle to Belfast City 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 Seattle to Belfast City that include hotel bookings?

    Yes. In addition to deals on Seattle to Belfast City flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Belfast City?

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

  • Can I find deals for business class flights from Seattle to Belfast City?

    Yes. Cheapflights offers flight deals from Seattle to Belfast City 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 Seattle to Belfast City that allow pets onboard?

    Many airlines flying from Seattle to Belfast City 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 Seattle to Belfast City?

    Yes, you can often find last-minute deals on Seattle to Belfast City 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 Seattle to Belfast City Airport flight deals updated?

    The Seattle to Belfast City Airport flight deals you see on this page were last updated on 15/5.

See more FAQs

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Search flights from Seattle to Belfast City by cabin class

Find flights from Seattle to Belfast City, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Business Class
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Seattle to Belfast City?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Belfast City from Seattle today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Seattle to Belfast City?

Millions of users choose and trust Cheapflights to book the best flight deals from Seattle to Belfast City for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Seattle to Belfast City with no change fees?

Yes! Cheapflights helps users easily find flights from Seattle to Belfast City with no change fees.

Can Cheapflights notify me if prices for flights from Seattle to Belfast City become cheaper?

Yes! Start tracking prices for Seattle to Belfast City flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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