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 26/4. Fares are subject to change and may not be available on all flights or dates of travel.
MAN — SEA
27 Dec — 3 Jan1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Sheffield to Seattle/Tacoma Intl are usually found in March or October, booked 67 days in advance, depart on a Wednesday or Monday and return on a Wednesday
Find flight deals from Sheffield to Seattle
Enter your travel dates to find the best prices.
Cheapest flights from Sheffield to Seattle
Explore the most affordable flight options available from Sheffield to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 November 2025.
Mon 22/1213:55MAN - SEA
1 stop12h 25mAer Lingus
Mon 29/1220:05SEA - MAN
1 stop16h 05mAer Lingus
Deal found 26/11£762
Mon 1/1208:05MAN - SEA
1 stop18h 15mAer Lingus
Thu 4/1211:22SEA - MAN
2 stops24h 48mAer Lingus
Deal found 25/11£805
Thu 25/1206:00MAN - SEA
2 stops40h 20mMultiple Airlines
Thu 1/114:00SEA - MAN
1 stop19h 00mMultiple Airlines
Deal found 26/11£851
Thu 25/1207:45MAN - SEA
1 stop17h 10mBritish Airways
Thu 1/118:50SEA - MAN
1 stop16h 15mBritish Airways
Deal found 26/11£855
Mon 22/1217:45MAN - SEA
2 stops51h 35mLufthansa
Mon 29/1207:00SEA - MAN
2 stops25h 55mLufthansa
Deal found 26/11£858
Sat 29/1106:20MAN - SEA
2 stops17h 20mMultiple Airlines
Mon 1/1214:35SEA - MAN
1 stop12h 10mMultiple Airlines
Deal found 25/11£874
Mon 1/1209:50MAN - SEA
1 stop16h 30mMultiple Airlines
Thu 4/1206:55SEA - MAN
1 stop15h 55mMultiple Airlines
Deal found 26/11£876
Best flights from Sheffield to Seattle
Discover carefully curated flight deals from Sheffield to Seattle that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 27 November 2025.
Fri 6/308:05MAN - SEA
2 stops16h 55mMultiple Airlines
Mon 9/315:35SEA - MAN
2 stops18h 05mMultiple Airlines
Deal found 24/11£492
Mon 12/106:05MAN - SEA
1 stop18h 50mBritish Airways
Wed 28/118:50SEA - MAN
1 stop13h 30mBritish Airways
Deal found 25/11£509
Wed 13/519:10MAN - SEA
2 stops35h 07mScandinavian Airlines
Fri 29/515:55SEA - MAN
1 stop33h 00mScandinavian Airlines
Deal found 25/11£556
Mon 16/313:55MAN - SEA
1 stop12h 25mBritish Airways
Tue 24/319:50SEA - MAN
1 stop15h 55mBritish Airways
Deal found 26/11£510
Wed 18/309:50MAN - SEA
2 stops20h 43mBritish Airways
Thu 26/319:50SEA - MAN
1 stop16h 15mBritish Airways
Deal found 26/11£520
Wed 18/308:05MAN - SEA
1 stop18h 15mBritish Airways
Wed 25/321:05SEA - MAN
1 stop12h 35mBritish Airways
Deal found 26/11£521
Fri 6/306:00MAN - SEA
1 stop18h 55mBritish Airways
Mon 9/319:50SEA - MAN
1 stop15h 50mBritish Airways
Deal found 24/11£543
Wed 14/108:55MAN - SEA
1 stop16h 00mBritish Airways
Sun 18/118:50SEA - MAN
1 stop16h 25mBritish Airways
Deal found 25/11£546
Fri 20/313:55MAN - SEA
1 stop12h 25mBritish Airways
Wed 25/321:05SEA - MAN
1 stop11h 15mBritish Airways
Deal found 26/11£557
Mon 18/508:55MAN - SEA
1 stop17h 30mBritish Airways
Sun 31/520:20SEA - MAN
1 stop11h 45mBritish Airways
Deal found 24/11£561
Last-minute flights from Sheffield to Seattle
Discover last-minute flight deals from Sheffield to Seattle. Data last updated 27 November 2025 and is based on user searches.
Sat 29/1106:20MAN - SEA
2 stops17h 20mMultiple Airlines
Mon 1/1214:35SEA - MAN
1 stop12h 10mMultiple Airlines
Deal found 25/11£874
Mon 1/1208:05MAN - SEA
1 stop18h 15mAer Lingus
Thu 4/1211:22SEA - MAN
2 stops24h 48mAer Lingus
Deal found 25/11£805
Mon 1/1209:50MAN - SEA
1 stop16h 30mMultiple Airlines
Thu 4/1206:55SEA - MAN
1 stop15h 55mMultiple Airlines
Deal found 26/11£876
Mon 22/1213:55MAN - SEA
1 stop12h 25mAer Lingus
Mon 29/1220:05SEA - MAN
1 stop16h 05mAer Lingus
Deal found 26/11£762
Mon 22/1217:45MAN - SEA
2 stops51h 35mLufthansa
Mon 29/1207:00SEA - MAN
2 stops25h 55mLufthansa
Deal found 26/11£858
Thu 25/1206:00MAN - SEA
2 stops40h 20mMultiple Airlines
Thu 1/114:00SEA - MAN
1 stop19h 00mMultiple Airlines
Deal found 26/11£851
Thu 25/1207:45MAN - SEA
1 stop17h 10mBritish Airways
Thu 1/118:50SEA - MAN
1 stop16h 15mBritish Airways
Deal found 26/11£855
One-way flights from Sheffield to Seattle
Search for one-way flight options from Sheffield to Seattle. Find affordable one-way fares based on user searches. Data last updated 27 November 2025.
Sun 26/408:10MAN - SEA
3 stops44h 18mMultiple Airlines
Deal found 25/11£321
Tue 9/1211:55MAN - SEA
1 stop13h 05mIcelandair
Deal found 25/11£378
Sun 26/416:35MAN - SEA
1 stop27h 00mBritish Airways
Deal found 25/11£427
Mon 29/1222:15MAN - SEA
3 stops50h 45mMultiple Airlines
Deal found 25/11£512
Tue 9/1211:55MAN - SEA
2 stops19h 43mBritish Airways
Deal found 25/11£591
Tue 9/1209:25MAN - SEA
3 stops21h 50mUnited Airlines
Deal found 25/11£642
Sun 15/309:20MAN - SEA
3 stops39h 45mMultiple Airlines
Deal found 25/11£1,147
Tue 9/1218:30MAN - SEA
4 stops58h 24mEthiopian Air
Deal found 25/11£1,714
Cheap flight deals from Sheffield to Seattle
Keep the following information in mind while searching for Sheffield to Seattle flight deals. Data was last updated 27 November 2025.
Customise your flight search to find flights from Sheffield to Seattle 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 858,174 searches. Data last updated 27 November 2025.
Use the filters below to find and compare flights from Sheffield to Seattle that are best for you.
Fly from
Sheffield
Fly to
Seattle
Route
Depart
Return
Price
ManchesterSeattle
MAN - SEA
MANSEA
Manchester
Fri 6/3
08:05-17:00
2 stops16h 55m
Seattle/Tacoma Intl
Mon 9/3
15:35-16:40
2 stops18h 05m
£492
ManchesterSeattle
MAN - SEA
MANSEA
Manchester
Mon 12/1
06:05-16:55
1 stop18h 50m
Seattle/Tacoma Intl
Wed 28/1
18:50-16:20
1 stop13h 30m
£509
ManchesterSeattle
MAN - SEA
MANSEA
Manchester
Mon 16/3
13:55-19:20
1 stop12h 25m
Seattle/Tacoma Intl
Tue 24/3
19:50-18:45
1 stop15h 55m
£510
ManchesterSeattle
MAN - SEA
MANSEA
Manchester
Wed 18/3
09:50-23:33
2 stops20h 43m
Seattle/Tacoma Intl
Thu 26/3
19:50-19:05
1 stop16h 15m
£520
ManchesterSeattle
MAN - SEA
MANSEA
Manchester
Wed 18/3
08:05-19:20
1 stop18h 15m
Seattle/Tacoma Intl
Wed 25/3
21:05-16:40
1 stop12h 35m
£521
ManchesterSeattle
MAN - SEA
MANSEA
Manchester
Fri 6/3
06:00-16:55
1 stop18h 55m
Seattle/Tacoma Intl
Mon 9/3
19:50-18:40
1 stop15h 50m
£543
ManchesterSeattle
MAN - SEA
MANSEA
Manchester
Wed 14/1
08:55-16:55
1 stop16h 00m
Seattle/Tacoma Intl
Sun 18/1
18:50-19:15
1 stop16h 25m
£546
ManchesterSeattle
MAN - SEA
MANSEA
Manchester
Wed 13/5
19:10-22:17
2 stops35h 07m
Seattle/Tacoma Intl
Fri 29/5
15:55-08:55
1 stop33h 00m
£556
ManchesterSeattle
MAN - SEA
MANSEA
Manchester
Fri 20/3
13:55-19:20
1 stop12h 25m
Seattle/Tacoma Intl
Wed 25/3
21:05-15:20
1 stop11h 15m
£557
ManchesterSeattle
MAN - SEA
MANSEA
Manchester
Mon 18/5
08:55-18:25
1 stop17h 30m
Seattle/Tacoma Intl
Sun 31/5
20:20-16:05
1 stop11h 45m
£561
Flights are sorted by cheapest return flights first.
Deals found on 25/11
Showing 1-10 of 19 results
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Best time to book a flight from Sheffield to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from Sheffield with our price prediction graph.
Estimated return 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 Sheffield to Seattle
How far ahead should I book a flight from Sheffield to Seattle?
Use this chart to determine the optimal time to book a return flight from Sheffield to Seattle. Price data was last updated on 21 November 2025.
The best time to book flights from Sheffield to Seattle is 67 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Sheffield to Seattle?
Currently, February is the cheapest month in which you can book a flight from Sheffield to Seattle (average of £461). Flying from Sheffield to Seattle in July is currently the most expensive (average of £596). 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 SH9 to SEA?
Find hourly flight availability from Sheffield to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 27 November 2025.
It’s optimal to fly from Sheffield to Seattle in the afternoon. By choosing this option you can save up to 11% on the cost of your flight, compared to a flight at midday.
What is the cheapest day to fly from Sheffield to Seattle?
Use this chart to determine the cheapest time to fly return from Sheffield to Seattle. Price data was last updated on 16 December 2024.
Travellers seeking maximum savings on their Sheffield to Seattle flight should consider departing on Friday afternoons when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Seattle
Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated 27 November 2025.
Get a feel of what it's like to fly with KLM, Virgin Atlantic, andAer Lingus from Sheffield to Seattle by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Related info for your journey
Find useful and relevant information for your journey from Sheffield to Seattle. 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 into for flights to Seattle from Sheffield?
If you book a flight to Seattle from Sheffield, you will be flying to 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 Sheffield to Seattle/Tacoma Intl per day from 11 different airlines.
How long is the flight from Sheffield to Seattle?
Airlines like British Airways fly from Sheffield to Seattle in about 18h 50m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 4633 mi.
Can I find deals for flights from Sheffield to Seattle that include hotel bookings?
Yes. In addition to deals on Sheffield to Seattle flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Sheffield to Seattle?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sheffield to Seattle.
Can I find deals for business class flights from Sheffield to Seattle?
Yes. Cheapflights offers flight deals from Sheffield to Seattle 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 Sheffield to Seattle?
Currently, February is the cheapest month in which you can book a flight from Sheffield to Seattle (average of £461). Flying from Sheffield to Seattle in July is currently the most expensive (average of £596). 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.
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 27 November 2025.
Discover the top 10 airlines that operate flights from Sheffield to Seattle. 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 858,174 searches. Data last updated 27 November 2025.
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 Sheffield to Seattle?
Deals for Sheffield to Seattle flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.
Why should you use Cheapflights to find cheap flight tickets from Sheffield to Seattle?
Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Sheffield to Seattle for you. Better yet — we are completely free to use.
Can Cheapflights find flights from Sheffield to Seattle with no change fees?
Certainly. Search results for flights to Seattle from Sheffield shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.
Can Cheapflights notify me if prices for flights from Sheffield to Seattle become cheaper?
Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Seattle from Sheffield today and book when prices fit your budget.
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