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Cheap flights from Seattle (SEA) to Belfast City (BHD) from $362

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 9/16. 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
Jun 7 — Jun 141
From?
To?
Fri 6/7
Fri 6/14
1 adult, Economy
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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 June 2, 2024.

Round-trip from

$640

One-way from

$538
From Seattle/Tacoma Intl to Belfast City
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One-way flight from Seattle/Tacoma Intl to Belfast City
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What is the cheapest day to fly round-trip from Seattle to Belfast City Airport?

Travelers have found that booking a Thursday departure is the best way to save up to 28% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

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

April can be a great time to fly to Belfast City Airport from Seattle with a flight ticket averaging about $1,037. Cheapflights users have found deals in the month of April for as cheap as $719. The most expensive prices can be found in the month of June.

What is the cheapest time of day to fly from SEA to BHD?

It’s typically best to fly out from Seattle to Belfast City Airport at noon. Doing so could potentially save you 15% on the flight price compared to flying in the morning, which is usually more expensive.

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 2,810,401 searches. Data last updated June 2, 2024.
Consider these cheap British Airways flights we've found departing from Seattle to Belfast. Be sure to come back soon if the deals available don't appeal to you at this time.
Wed 8/217:20 amSEA - BHD
2 stops20h 30mBritish Airways
Mon 8/267:30 pmBHD - SEA
2 stops34h 26mBritish Airways
Deal found 6/1$628
Sat 10/511:59 pmSEA - BHD
2 stops29h 01mBritish Airways
Sat 10/126:55 pmBHD - SEA
2 stops34h 16mBritish Airways
Deal found 6/1$636
Sat 9/711:59 pmSEA - BHD
2 stops29h 01mBritish Airways
Sat 9/214:15 pmBHD - SEA
1 stop27h 15mBritish Airways
Deal found 6/1$677
Sat 9/711:59 pmSEA - BHD
2 stops25h 06mBritish Airways
Sat 9/216:55 pmBHD - SEA
2 stops33h 57mBritish Airways
Deal found 6/1$687
Sat 9/1411:59 pmSEA - BHD
2 stops30h 36mBritish Airways
Sat 9/286:50 amBHD - SEA
1 stop12h 45mBritish Airways
Deal found 6/1$715
Sat 8/1010:51 pmSEA - BHD
2 stops30h 09mBritish Airways
Sun 8/187:40 pmBHD - SEA
2 stops31h 40mBritish Airways
Deal found 6/1$744
Sat 8/1010:51 pmSEA - BHD
2 stops28h 39mBritish Airways
Sat 8/246:50 amBHD - SEA
2 stops20h 30mBritish Airways
Deal found 6/1$747
Sat 8/1010:51 pmSEA - BHD
2 stops28h 39mBritish Airways
Sat 8/244:15 pmBHD - SEA
1 stop27h 15mBritish Airways
Deal found 6/1$787
Sat 8/101:50 pmSEA - BHD
1 stop14h 30mBritish Airways
Sat 8/244:15 pmBHD - SEA
1 stop27h 15mBritish Airways
Deal found 6/1$824

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 2,810,401 searches. Data last updated June 2, 2024.
Some of the best deals we've found on American Airlines flights traveling from Seattle to Belfast. Make sure to examine the flight information before completing your reservation.
Tue 10/292:35 pmSEA - BHD
1 stop16h 50mAmerican Airlines
Sun 11/35:35 amBHD - SEA
1 stop18h 10mAmerican Airlines
Deal found 6/1$594
Tue 10/2911:52 amSEA - BHD
2 stops19h 33mAmerican Airlines
Sun 11/33:05 pmBHD - SEA
1 stop33h 40mAmerican Airlines
Deal found 6/1$598
Tue 10/292:03 pmSEA - BHD
2 stops21h 32mAmerican Airlines
Sun 11/35:35 amBHD - SEA
2 stops24h 17mAmerican Airlines
Deal found 6/1$608
Sun 10/63:45 pmSEA - BHD
2 stops17h 50mAmerican Airlines
Sun 10/136:50 amBHD - SEA
1 stop12h 40mAmerican Airlines
Deal found 6/1$613
Sun 10/612:37 pmSEA - BHD
2 stops17h 58mAmerican Airlines
Sun 10/136:50 amBHD - SEA
2 stops22h 21mAmerican Airlines
Deal found 6/1$623
Sat 10/57:40 pmSEA - BHD
1 stop12h 45mAmerican Airlines
Sat 10/124:15 pmBHD - SEA
1 stop27h 15mAmerican Airlines
Deal found 6/1$644
Wed 8/1411:48 amSEA - BHD
2 stops17h 37mAmerican Airlines
Tue 8/209:45 amBHD - SEA
2 stops23h 04mAmerican Airlines
Deal found 6/1$660
Wed 8/2111:48 amSEA - BHD
2 stops19h 47mAmerican Airlines
Mon 8/266:35 amBHD - SEA
1 stop13h 00mAmerican Airlines
Deal found 6/1$700
Sat 9/148:00 amSEA - BHD
2 stops18h 10mAmerican Airlines
Sat 9/286:50 amBHD - SEA
2 stops22h 02mAmerican Airlines
Deal found 6/2$712

Cheap Seattle to Belfast City flights in June & July 2024

Find cheap flight options from Seattle to Belfast City specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,810,401 searches. Prices were last updated on June 2, 2024.
Check out some of the best flight deals from Seattle to Belfast in 2024. Check back in a little while for more flight options.
Sat 6/151:25 pmSEA - BHD
2 stops17h 40mAmerican Airlines
Tue 6/184:20 pmBHD - SEA
1 stop27h 15mAmerican Airlines
Deal found 6/1$1,856

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 2,810,401 searches. Data last updated June 2, 2024.
Check out some of the best flight deals from Seattle to Belfast in 2024. Check back in a little while for more flight options.
Tue 10/292:35 pmSEA - BHD
1 stop16h 50mAmerican Airlines
Sun 11/35:35 amBHD - SEA
1 stop18h 10mAmerican Airlines
Deal found 6/1$594
Tue 10/2911:52 amSEA - BHD
2 stops19h 33mAmerican Airlines
Sun 11/33:05 pmBHD - SEA
1 stop33h 40mAmerican Airlines
Deal found 6/1$598
Tue 10/292:03 pmSEA - BHD
2 stops21h 32mAmerican Airlines
Sun 11/35:35 amBHD - SEA
2 stops24h 17mAmerican Airlines
Deal found 6/1$608
Sun 10/63:45 pmSEA - BHD
2 stops17h 50mAmerican Airlines
Sun 10/136:50 amBHD - SEA
1 stop12h 40mAmerican Airlines
Deal found 6/1$613
Sun 10/612:37 pmSEA - BHD
2 stops17h 58mAmerican Airlines
Sun 10/136:50 amBHD - SEA
2 stops22h 21mAmerican Airlines
Deal found 6/1$623
Wed 8/217:20 amSEA - BHD
2 stops20h 30mBritish Airways
Mon 8/267:30 pmBHD - SEA
2 stops34h 26mBritish Airways
Deal found 6/1$628
Sat 10/511:59 pmSEA - BHD
2 stops29h 01mBritish Airways
Sat 10/126:55 pmBHD - SEA
2 stops34h 16mBritish Airways
Deal found 6/1$636
Sat 10/57:40 pmSEA - BHD
1 stop12h 45mAmerican Airlines
Sat 10/124:15 pmBHD - SEA
1 stop27h 15mAmerican Airlines
Deal found 6/1$644
Wed 8/1411:48 amSEA - BHD
2 stops17h 37mAmerican Airlines
Tue 8/209:45 amBHD - SEA
2 stops23h 04mAmerican Airlines
Deal found 6/1$660

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 2,810,401 searches. Data last updated June 2, 2024.
Users in need of a one-way flight from Seattle to Belfast can choose from these deals. Users needing a return flight from Seattle to Belfast should utilize the search form above.
Mon 9/166:55 pmSEA - BHD
2 stops52h 50mMultiple Airlines
Deal found 6/1$362
Mon 9/166:10 pmSEA - BHD
1 stop14h 40mDelta
Deal found 6/2$538
Mon 9/163:50 pmSEA - BHD
3 stops35h 40mMultiple Airlines
Deal found 6/1$558
Fri 7/266:45 pmSEA - BHD
2 stops17h 10mAer Lingus
Deal found 6/1$572
Fri 7/261:30 pmSEA - BHD
1 stop23h 15mAmerican Airlines
Deal found 6/1$581

Find flights from Seattle to Belfast City within your budget

Customize 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 2,810,401 searches. Data last updated June 2, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$594 - $838

Route

Depart

Return

Price

Seattle/Tacoma IntlBelfast City

SEA - BHD

SEABHD

Seattle/Tacoma Intl

Tue 10/29

1 stop16h 50m

Belfast City

Sun 11/3

1 stop18h 10m

$594

Seattle/Tacoma IntlBelfast City

SEA - BHD

SEABHD

Seattle/Tacoma Intl

Tue 10/29

2 stops19h 33m

Belfast City

Sun 11/3

1 stop33h 40m

$598

Seattle/Tacoma IntlBelfast City

SEA - BHD

SEABHD

Seattle/Tacoma Intl

Tue 10/29

2 stops21h 32m

Belfast City

Sun 11/3

2 stops24h 17m

$608

Seattle/Tacoma IntlBelfast City

SEA - BHD

SEABHD

Seattle/Tacoma Intl

Sun 10/6

2 stops17h 50m

Belfast City

Sun 10/13

1 stop12h 40m

$613

Seattle/Tacoma IntlBelfast City

SEA - BHD

SEABHD

Seattle/Tacoma Intl

Wed 8/21

2 stops20h 30m

Belfast City

Mon 8/26

2 stops34h 26m

$628

Seattle/Tacoma IntlBelfast City

SEA - BHD

SEABHD

Seattle/Tacoma Intl

Sat 10/5

2 stops29h 01m

Belfast City

Sat 10/12

2 stops34h 16m

$636

Seattle/Tacoma IntlBelfast City

SEA - BHD

SEABHD

Seattle/Tacoma Intl

Sat 9/7

2 stops29h 01m

Belfast City

Sat 9/21

1 stop27h 15m

$677

Seattle/Tacoma IntlBelfast City

SEA - BHD

SEABHD

Seattle/Tacoma Intl

Sat 9/14

2 stops33h 51m

Belfast City

Sat 9/28

1 stop25h 05m

$752

Seattle/Tacoma IntlBelfast City

SEA - BHD

SEABHD

Seattle/Tacoma Intl

Wed 8/14

2 stops15h 35m

Belfast City

Tue 8/20

1 stop24h 55m

$838

Flights are sorted by cheapest first

Deals found on 6/1

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

Use this chart to determine the cheapest time to fly round-trip from Seattle to Belfast City. Price data was last updated on May 26, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Seattle to Belfast City Airport flight should consider departing on Friday at noon when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from Seattle to Belfast City

Have a flexible travel schedule? Discover the best time to fly to Belfast City from Seattle 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.

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

41 - 60.8 °F

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 June 2, 2024.
Get a feel of what it's like to fly with British Airways, American Airlines and KLM from Seattle to Belfast by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
10,410 reviews
Check prices

Comfort

7.9

Boarding

8.2

Food

7.4

Overall

8.0

Crew

8.6

Entertainment

8.0

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
10,410 reviews
Delta
8.0
Very good
10,410 reviews
Check prices

Comfort

7.9

Boarding

8.2

Food

7.4

Overall

8.0

Crew

8.6

Entertainment

8.0

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.

KLM
7.9
Good
1,507 reviews
Delta
8.0
Very good
10,410 reviews
Check prices

Comfort

7.9

Boarding

8.2

Food

7.4

Overall

8.0

Crew

8.6

Entertainment

8.0

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
14,260 reviews
Delta
8.0
Very good
10,410 reviews
Check prices

Comfort

7.9

Boarding

8.2

Food

7.4

Overall

8.0

Crew

8.6

Entertainment

8.0

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.

Aer Lingus
7.2
Good
1,298 reviews
Delta
8.0
Very good
10,410 reviews
Check prices

Comfort

7.9

Boarding

8.2

Food

7.4

Overall

8.0

Crew

8.6

Entertainment

8.0

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
6,755 reviews
Delta
8.0
Very good
10,410 reviews
Check prices

Comfort

7.9

Boarding

8.2

Food

7.4

Overall

8.0

Crew

8.6

Entertainment

8.0

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?

    If you book a flight to Belfast City from Seattle, you will be flying from Seattle/Tacoma Intl, which is the city’s only airport. Seattle/Tacoma Intl (SEA) is located 11.4 mi from the center of Seattle. There are 0 flights from Seattle/Tacoma Intl to Belfast City per day from 2 different airlines.

  • 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 $594, but on average you can expect to pay $689.

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

    American Airlines, at $594, was found to be the cheapest airline from Seattle to Belfast City Airport.Alternate airlines to your destination round-trip include British Airways and KLM.

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

    $538 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Aer Lingus and American Airlines, with prices starting from $572 and $581, respectively.

  • What does SEA to BHD mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Seattle/Tacoma Intl Airport to Belfast City Airport flight would often be abbreviated as a SEA to BHD flight.

  • 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 vacation 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 6/1.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Seattle to Belfast City
See prices for flight routes from nearby airports that may be better suited for you.

Portland to Belfast City flights

Top 2 airlines flying from Seattle to Belfast City

Discover the top 2 airlines that operate flights from Seattle to Belfast City. 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 2,810,401 searches. Data last updated June 2, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$641Average$794FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
British AirwaysCheapest$753Average$897FlexibilityNo cancel feeOn-time70%
Search British Airways flights
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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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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers 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?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Seattle to Belfast City. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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?

Need flexible booking options for your flight to Belfast City from Seattle? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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