$668+ Cheap flights from Seattle (SEA) to Belfast Intl (BFS)
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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BFS
Dec 26 — Jan 21
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Seattle to Belfast Intl 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 Seattle to Belfast Intl
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Belfast Intl (BFS). 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 December 21, 2024.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $668 (Mytrip) |
Popular in | June |
Cheapest in | October |
Average price | $940 |
Find flight deals from Seattle to Belfast Intl
Best flights from Seattle to Belfast IntlDiscover carefully curated flight deals from Seattle to Belfast Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 21, 2024.
Discover carefully curated flight deals from Seattle to Belfast Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 21, 2024.
This Mytrip deal was found by Cheapflights users on 12/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/32:35 pmSEA - BFS
2 stops20h 25mMultiple Airlines
Mon 2/107:25 amBFS - SEA
2 stops17h 35mMultiple Airlines
Deal found 12/21![Multiple Airlines logo]()
$668
Find flights from Seattle to Belfast Intl within your budget
Customize your flight search to find flights from Seattle to Belfast Intl 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 December 21, 2024.
Fly from
Any airport
Fly to
Any airport
Route
Depart
Return
Price
SeattleBelfast
SEA - BFS
SEABFS
Seattle/Tacoma Intl
Mon 2/3
2:35 pm-7:00 pm
2 stops20h 25m
Belfast Intl
Mon 2/10
7:25 am-5:00 pm
2 stops17h 35m
$668
Compare providers for flights from Seattle to Belfast Intl
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Belfast Intl in December.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Seattle-Belfast Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Belfast Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Belfast Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Seattle-Belfast Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Belfast Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Seattle to Belfast Intl
Have a flexible travel schedule? Discover the best time to fly to Belfast Intl 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.
Travel insights for flights from Seattle to Belfast Intl
Get recent, data-driven insights about flights from Seattle to Belfast Intl including ideal travel times, pricing trends, and more.
What is the cheapest time of day to fly from SEA to BFS?
Find hourly flight availability from Seattle to Belfast Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 21, 2024.
A simple way to save on the total cost of your ticket is to fly from Seattle to Belfast Intl Airport in the morning. If you’re flexible enough to do this you can expect to save up to 23% on your trip compared to booking a flight at noon.
Rainfall in Belfast Intl by month
Plan your trip to Belfast Intl by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Belfast Intl Airport 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 Belfast Intl Airport when rainfall is around 2.0 in.
Temperature in Belfast Intl by month
Plan your trip to Belfast Intl by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Belfast Intl Airport, 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).
Related info for your journey
Find useful and relevant information for your journey from Seattle to Belfast Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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 Seattle to Belfast Intl
See prices for flight routes from nearby airports that may be better suited for you.
Top 2 airlines flying from Seattle to Belfast Intl
Discover the top 2 airlines that operate flights from Seattle to Belfast Intl. 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 December 21, 2024.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$544 | Average$1,000 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$573 | Average$799 | FlexibilityNo cancel fee | On-time71% |