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 30/4. Fares are subject to change and may not be available on all flights or dates of travel.
MAN — SEA
21 Dec — 28 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 21 November 2025.
Mon 1/1211:55MAN - SEA
2 stops16h 43mIcelandair
Thu 4/1214:35SEA - MAN
1 stop12h 25mIcelandair
Deal found 20/11£642
Mon 1/1210:00MAN - SEA
1 stop16h 20mAer Lingus
Wed 3/1200:38SEA - MAN
2 stops24h 52mAer Lingus
Deal found 20/11£722
Mon 15/1210:10MAN - SEA
2 stops32h 09mScandinavian Airlines
Tue 6/110:25SEA - MAN
2 stops24h 10mScandinavian Airlines
Deal found 20/11£726
Mon 15/1215:45MAN - SEA
2 stops50h 55mMultiple Airlines
Tue 6/114:35SEA - MAN
1 stop12h 10mMultiple Airlines
Deal found 20/11£728
Tue 16/1206:00MAN - SEA
1 stop14h 10mUnited Airlines
Mon 5/123:15SEA - MAN
2 stops29h 05mUnited Airlines
Deal found 19/11£735
Sun 23/1110:00MAN - SEA
1 stop16h 20mAer Lingus
Sun 30/1120:05SEA - MAN
1 stop11h 15mAer Lingus
Deal found 20/11£736
Fri 21/1120:40MAN - SEA
2 stops34h 38mAer Lingus
Fri 28/1120:05SEA - MAN
1 stop15h 10mAer Lingus
Deal found 19/11£739
Mon 15/1206:00MAN - SEA
2 stops23h 00mUnited Airlines
Tue 6/109:25SEA - MAN
3 stops39h 15mUnited Airlines
Deal found 20/11£740
Tue 9/1212:25MAN - SEA
2 stops19h 00mAer Lingus
Thu 11/1211:22SEA - MAN
2 stops36h 13mAer Lingus
Deal found 20/11£757
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 21 November 2025.
Mon 19/108:30MAN - SEA
2 stops16h 30mMultiple Airlines
Mon 26/114:35SEA - MAN
2 stops20h 50mMultiple Airlines
Deal found 20/11£430
Tue 20/111:55MAN - SEA
1 stop13h 05mIcelandair
Tue 3/214:35SEA - MAN
1 stop12h 10mIcelandair
Deal found 21/11£581
Wed 21/110:10MAN - SEA
2 stops21h 12mScandinavian Airlines
Tue 3/211:17SEA - MAN
2 stops23h 18mScandinavian Airlines
Deal found 21/11£602
Mon 19/111:50MAN - SEA
1 stop13h 05mBritish Airways
Mon 26/114:04SEA - MAN
2 stops15h 56mBritish Airways
Deal found 20/11£605
Mon 19/113:05MAN - SEA
2 stops38h 47mMultiple Airlines
Wed 4/214:35SEA - MAN
1 stop12h 10mMultiple Airlines
Deal found 21/11£594
Wed 14/111:55MAN - SEA
1 stop13h 05mIcelandair
Sun 18/114:35SEA - MAN
1 stop12h 10mIcelandair
Deal found 20/11£604
Thu 22/111:55MAN - SEA
1 stop13h 05mIcelandair
Thu 5/214:35SEA - MAN
1 stop12h 10mIcelandair
Deal found 21/11£606
Tue 20/111:55MAN - SEA
1 stop13h 05mIcelandair
Sat 7/214:35SEA - MAN
1 stop12h 10mIcelandair
Deal found 21/11£606
Fri 23/111:55MAN - SEA
1 stop13h 05mIcelandair
Wed 4/214:35SEA - MAN
1 stop12h 10mIcelandair
Deal found 21/11£606
Last-minute flights from Sheffield to Seattle
Discover last-minute flight deals from Sheffield to Seattle. Data last updated 21 November 2025 and is based on user searches.
Fri 21/1120:40MAN - SEA
2 stops34h 38mAer Lingus
Fri 28/1120:05SEA - MAN
1 stop15h 10mAer Lingus
Deal found 19/11£739
Sun 23/1110:00MAN - SEA
1 stop16h 20mAer Lingus
Sun 30/1120:05SEA - MAN
1 stop11h 15mAer Lingus
Deal found 20/11£736
Mon 1/1211:55MAN - SEA
2 stops16h 43mIcelandair
Thu 4/1214:35SEA - MAN
1 stop12h 25mIcelandair
Deal found 20/11£642
Mon 1/1210:00MAN - SEA
1 stop16h 20mAer Lingus
Wed 3/1200:38SEA - MAN
2 stops24h 52mAer Lingus
Deal found 20/11£722
Tue 9/1212:25MAN - SEA
2 stops19h 00mAer Lingus
Thu 11/1211:22SEA - MAN
2 stops36h 13mAer Lingus
Deal found 20/11£757
Mon 15/1210:10MAN - SEA
2 stops32h 09mScandinavian Airlines
Tue 6/110:25SEA - MAN
2 stops24h 10mScandinavian Airlines
Deal found 20/11£726
Mon 15/1215:45MAN - SEA
2 stops50h 55mMultiple Airlines
Tue 6/114:35SEA - MAN
1 stop12h 10mMultiple Airlines
Deal found 20/11£728
Mon 15/1206:00MAN - SEA
2 stops23h 00mUnited Airlines
Tue 6/109:25SEA - MAN
3 stops39h 15mUnited Airlines
Deal found 20/11£740
Tue 16/1206:00MAN - SEA
1 stop14h 10mUnited Airlines
Mon 5/123:15SEA - MAN
2 stops29h 05mUnited Airlines
Deal found 19/11£735
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 21 November 2025.
Thu 30/422:55MAN - SEA
2 stops29h 33mMultiple Airlines
Deal found 18/11£278
Mon 2/321:30MAN - SEA
3 stops48h 49mMultiple Airlines
Deal found 19/11£285
Fri 1/506:05MAN - SEA
2 stops22h 23mMultiple Airlines
Deal found 18/11£304
Wed 29/407:55MAN - SEA
3 stops37h 13mMultiple Airlines
Deal found 18/11£320
Tue 28/407:30MAN - SEA
3 stops37h 38mMultiple Airlines
Deal found 18/11£321
Mon 27/407:45MAN - SEA
3 stops37h 23mMultiple Airlines
Deal found 18/11£338
Sat 25/406:50MAN - SEA
3 stops38h 18mMultiple Airlines
Deal found 18/11£350
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 21 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 21 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 19/1
08:30-17:00
2 stops16h 30m
Seattle/Tacoma Intl
Mon 26/1
14:35-19:25
2 stops20h 50m
£430
ManchesterSeattle
MAN - SEA
MANSEA
Manchester
Tue 20/1
11:55-17:00
1 stop13h 05m
Seattle/Tacoma Intl
Tue 3/2
14:35-10:45
1 stop12h 10m
£581
ManchesterSeattle
MAN - SEA
MANSEA
Manchester
Mon 19/1
13:05-19:52
2 stops38h 47m
Seattle/Tacoma Intl
Wed 4/2
14:35-10:45
1 stop12h 10m
£594
ManchesterSeattle
MAN - SEA
MANSEA
Manchester
Wed 21/1
10:10-23:22
2 stops21h 12m
Seattle/Tacoma Intl
Tue 3/2
11:17-18:35
2 stops23h 18m
£602
ManchesterSeattle
MAN - SEA
MANSEA
Manchester
Wed 14/1
11:55-17:00
1 stop13h 05m
Seattle/Tacoma Intl
Sun 18/1
14:35-10:45
1 stop12h 10m
£604
ManchesterSeattle
MAN - SEA
MANSEA
Manchester
Mon 19/1
11:50-16:55
1 stop13h 05m
Seattle/Tacoma Intl
Mon 26/1
14:04-14:00
2 stops15h 56m
£605
ManchesterSeattle
MAN - SEA
MANSEA
Manchester
Thu 22/1
11:55-17:00
1 stop13h 05m
Seattle/Tacoma Intl
Thu 5/2
14:35-10:45
1 stop12h 10m
£606
ManchesterSeattle
MAN - SEA
MANSEA
Manchester
Tue 20/1
11:55-17:00
1 stop13h 05m
Seattle/Tacoma Intl
Sat 7/2
14:35-10:45
1 stop12h 10m
£606
ManchesterSeattle
MAN - SEA
MANSEA
Manchester
Fri 23/1
11:55-17:00
1 stop13h 05m
Seattle/Tacoma Intl
Wed 4/2
14:35-10:45
1 stop12h 10m
£606
ManchesterSeattle
MAN - SEA
MANSEA
Manchester
Thu 30/4
22:55-20:28
2 stops29h 33m
£278
Flights are sorted by cheapest return flights first.
Deals found on 18/11
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 14 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 £466). Flying from Sheffield to Seattle in July is currently the most expensive (average of £602). 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 21 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 21 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 and Scandinavian Airlines 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 8h 07m. Airlines will cover a distance of 4633 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
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 £466). Flying from Sheffield to Seattle in July is currently the most expensive (average of £602). 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 21 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 21 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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