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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
MAN — SEA
14 Dec — 21 Dec1
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 14 November 2025.
Wed 3/1210:00MAN - SEA
1 stop16h 20mAer Lingus
Sun 7/1220:05SEA - MAN
1 stop16h 05mAer Lingus
Deal found 13/11£552
Wed 10/1212:25MAN - SEA
1 stop13h 55mAer Lingus
Wed 17/1220:05SEA - MAN
1 stop16h 05mAer Lingus
Deal found 12/11£590
Mon 8/1208:05MAN - SEA
1 stop18h 15mAer Lingus
Fri 12/1220:05SEA - MAN
1 stop15h 10mAer Lingus
Deal found 12/11£593
Wed 3/1213:05MAN - SEA
3 stops35h 55mMultiple Airlines
Sun 7/1214:35SEA - MAN
2 stops17h 45mMultiple Airlines
Deal found 13/11£609
Fri 21/1110:00MAN - SEA
1 stop16h 20mAer Lingus
Fri 28/1120:05SEA - MAN
1 stop12h 35mAer Lingus
Deal found 11/11£611
Wed 3/1219:15MAN - SEA
2 stops35h 08mScandinavian Airlines
Sun 7/1214:05SEA - MAN
2 stops20h 30mScandinavian Airlines
Deal found 13/11£616
Tue 25/1107:40MAN - SEA
1 stop17h 15mBritish Airways
Tue 2/1218:50SEA - MAN
1 stop15h 55mBritish Airways
Deal found 11/11£622
Wed 10/1213:30MAN - SEA
1 stop18h 28mVirgin Atlantic
Wed 17/1206:00SEA - MAN
2 stops17h 55mVirgin Atlantic
Deal found 12/11£638
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 14 November 2025.
Mon 9/311:55MAN - SEA
1 stop13h 05mIcelandair
Tue 17/315:35SEA - MAN
1 stop12h 10mIcelandair
Deal found 13/11£478
Wed 11/311:55MAN - SEA
1 stop13h 05mIcelandair
Tue 17/315:35SEA - MAN
1 stop12h 10mIcelandair
Deal found 13/11£478
Sun 8/311:55MAN - SEA
1 stop13h 05mIcelandair
Tue 17/315:35SEA - MAN
1 stop12h 10mIcelandair
Deal found 13/11£502
Tue 10/311:55MAN - SEA
1 stop13h 05mIcelandair
Wed 18/315:35SEA - MAN
1 stop12h 10mIcelandair
Deal found 12/11£529
Tue 10/311:55MAN - SEA
1 stop13h 05mIcelandair
Thu 19/315:35SEA - MAN
1 stop12h 10mIcelandair
Deal found 12/11£529
Mon 9/311:55MAN - SEA
1 stop13h 05mIcelandair
Sun 22/315:35SEA - MAN
1 stop12h 10mIcelandair
Deal found 13/11£552
Sat 7/311:55MAN - SEA
1 stop13h 05mIcelandair
Thu 19/315:35SEA - MAN
1 stop12h 10mIcelandair
Deal found 13/11£552
Tue 10/311:55MAN - SEA
1 stop13h 05mIcelandair
Sun 22/315:35SEA - MAN
1 stop12h 10mIcelandair
Deal found 13/11£552
Sun 8/311:55MAN - SEA
1 stop13h 05mIcelandair
Thu 19/315:35SEA - MAN
1 stop12h 10mIcelandair
Deal found 13/11£552
Thu 5/311:55MAN - SEA
1 stop13h 05mIcelandair
Mon 9/315:35SEA - MAN
1 stop12h 10mIcelandair
Deal found 10/11£554
Fri 13/311:55MAN - SEA
1 stop13h 05mIcelandair
Sun 22/315:35SEA - MAN
1 stop12h 10mIcelandair
Deal found 13/11£578
Last-minute flights from Sheffield to Seattle
Discover last-minute flight deals from Sheffield to Seattle. Data last updated 14 November 2025 and is based on user searches.
Fri 21/1110:00MAN - SEA
1 stop16h 20mAer Lingus
Fri 28/1120:05SEA - MAN
1 stop12h 35mAer Lingus
Deal found 11/11£611
Tue 25/1107:40MAN - SEA
1 stop17h 15mBritish Airways
Tue 2/1218:50SEA - MAN
1 stop15h 55mBritish Airways
Deal found 11/11£622
Wed 3/1210:00MAN - SEA
1 stop16h 20mAer Lingus
Sun 7/1220:05SEA - MAN
1 stop16h 05mAer Lingus
Deal found 13/11£552
Wed 3/1213:05MAN - SEA
3 stops35h 55mMultiple Airlines
Sun 7/1214:35SEA - MAN
2 stops17h 45mMultiple Airlines
Deal found 13/11£609
Wed 3/1219:15MAN - SEA
2 stops35h 08mScandinavian Airlines
Sun 7/1214:05SEA - MAN
2 stops20h 30mScandinavian Airlines
Deal found 13/11£616
Mon 8/1208:05MAN - SEA
1 stop18h 15mAer Lingus
Fri 12/1220:05SEA - MAN
1 stop15h 10mAer Lingus
Deal found 12/11£593
Wed 10/1212:25MAN - SEA
1 stop13h 55mAer Lingus
Wed 17/1220:05SEA - MAN
1 stop16h 05mAer Lingus
Deal found 12/11£590
Wed 10/1213:30MAN - SEA
1 stop18h 28mVirgin Atlantic
Wed 17/1206:00SEA - MAN
2 stops17h 55mVirgin Atlantic
Deal found 12/11£638
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 14 November 2025.
Tue 12/508:05MAN - SEA
3 stops39h 55mMultiple Airlines
Deal found 10/11£305
Fri 5/1217:20MAN - SEA
3 stops48h 36mMultiple Airlines
Deal found 12/11£372
Tue 12/512:25MAN - SEA
1 stop14h 00mBritish Airways
Deal found 10/11£438
Sat 28/206:15MAN - SEA
1 stop13h 15mMultiple Airlines
Deal found 12/11£455
Sun 4/119:55MAN - SEA
2 stops35h 13mBritish Airways
Deal found 11/11£499
Fri 5/1208:05MAN - SEA
1 stop18h 15mAer Lingus
Deal found 12/11£500
Sat 28/213:55MAN - SEA
2 stops17h 37mAer Lingus
Deal found 12/11£505
Sun 4/115:45MAN - SEA
3 stops54h 13mMultiple Airlines
Deal found 11/11£540
Sun 4/122:25MAN - SEA
1 stop26h 40mTurkish Airlines
Deal found 11/11£1,062
Tue 12/518:30MAN - SEA
4 stops57h 40mEthiopian Air
Deal found 10/11£1,747
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 14 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 14 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
Mon 9/3
11:55-18:00
1 stop13h 05m
Seattle/Tacoma Intl
Tue 17/3
15:35-10:45
1 stop12h 10m
£478
ManchesterSeattle
MAN - SEA
MANSEA
Manchester
Wed 11/3
11:55-18:00
1 stop13h 05m
Seattle/Tacoma Intl
Tue 17/3
15:35-10:45
1 stop12h 10m
£478
ManchesterSeattle
MAN - SEA
MANSEA
Manchester
Sun 8/3
11:55-18:00
1 stop13h 05m
Seattle/Tacoma Intl
Tue 17/3
15:35-10:45
1 stop12h 10m
£502
ManchesterSeattle
MAN - SEA
MANSEA
Manchester
Tue 10/3
11:55-18:00
1 stop13h 05m
Seattle/Tacoma Intl
Wed 18/3
15:35-10:45
1 stop12h 10m
£529
ManchesterSeattle
MAN - SEA
MANSEA
Manchester
Tue 10/3
11:55-18:00
1 stop13h 05m
Seattle/Tacoma Intl
Thu 19/3
15:35-10:45
1 stop12h 10m
£529
ManchesterSeattle
MAN - SEA
MANSEA
Manchester
Mon 9/3
11:55-18:00
1 stop13h 05m
Seattle/Tacoma Intl
Sun 22/3
15:35-10:45
1 stop12h 10m
£552
ManchesterSeattle
MAN - SEA
MANSEA
Manchester
Sat 7/3
11:55-17:00
1 stop13h 05m
Seattle/Tacoma Intl
Thu 19/3
15:35-10:45
1 stop12h 10m
£552
ManchesterSeattle
MAN - SEA
MANSEA
Manchester
Tue 10/3
11:55-18:00
1 stop13h 05m
Seattle/Tacoma Intl
Sun 22/3
15:35-10:45
1 stop12h 10m
£552
ManchesterSeattle
MAN - SEA
MANSEA
Manchester
Sun 8/3
11:55-18:00
1 stop13h 05m
Seattle/Tacoma Intl
Thu 19/3
15:35-10:45
1 stop12h 10m
£552
ManchesterSeattle
MAN - SEA
MANSEA
Manchester
Thu 5/3
11:55-17:00
1 stop13h 05m
Seattle/Tacoma Intl
Mon 9/3
15:35-10:45
1 stop12h 10m
£554
Flights are sorted by cheapest return flights first.
Deals found on 10/11
Showing 1-10 of 21 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 7 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 £462). Flying from Sheffield to Seattle in July is currently the most expensive (average of £598). 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 14 November 2025.
It’s optimal to fly from Sheffield to Seattle in the evening. By choosing this option you can save up to 12% 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 14 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 Icelandair fly from Sheffield to Seattle in about 13h 05m. 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 £462). Flying from Sheffield to Seattle in July is currently the most expensive (average of £598). 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 14 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 14 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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