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Cheap flights from Sheffield to Seattle from £290

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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
MAN — SEA
15 Jun — 22 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap 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 16 May 2026.

Tue 9/607:30
MAN
-
SEA
1 stop17h 40m
Multiple Airlines
Wed 24/619:10
SEA
-
MAN
1 stop18h 45m
Multiple Airlines
Deal found 14/5£522
Mon 17/817:10
MAN
-
SEA
2 stops28h 35m
Multiple Airlines
Thu 3/915:40
SEA
-
MAN
2 stops20h 20m
Multiple Airlines
Deal found 14/5£527
Fri 19/606:15
MAN
-
SEA
1 stop18h 55m
Multiple Airlines
Fri 26/619:10
SEA
-
MAN
1 stop18h 15m
Multiple Airlines
Deal found 15/5£534
Fri 3/706:15
MAN
-
SEA
3 stops39h 30m
Multiple Airlines
Tue 21/715:40
SEA
-
MAN
2 stops21h 20m
Multiple Airlines
Deal found 13/5£535
Fri 3/706:15
MAN
-
SEA
3 stops39h 30m
Multiple Airlines
Wed 22/719:00
SEA
-
MAN
1 stop32h 40m
Multiple Airlines
Deal found 13/5£547
Tue 16/622:45
MAN
-
SEA
3 stops42h 55m
Multiple Airlines
Thu 2/713:30
SEA
-
MAN
2 stops19h 40m
Multiple Airlines
Deal found 16/5£570
Mon 22/611:35
MAN
-
SEA
1 stop13h 35m
Aer Lingus
Mon 29/619:10
SEA
-
MAN
1 stop13h 45m
Aer Lingus
Deal found 12/5£597
Sat 29/810:40
MAN
-
SEA
2 stops35h 05m
Scandinavian Airlines
Sun 6/915:55
SEA
-
MAN
2 stops36h 10m
Scandinavian Airlines
Deal found 16/5£600
Mon 1/613:05
MAN
-
SEA
1 stop15h 35m
Icelandair
Mon 15/623:25
SEA
-
MAN
1 stop28h 15m
Icelandair
Deal found 15/5£602

Find flight deals from Sheffield to Seattle

Keep the following information in mind while searching for Sheffield to Seattle flight deals. Data was last updated 16 May 2026.

Round-trip from

£522

One-way from

£290

Popular in

August

Cheapest in

October

Average price

£647
9/6-24/6
  • 9/6-24/6
  • 2 total stops
  • 36h 25m total
  • Sheffield to Seattle
Search Deals
4/7
  • 4/7
  • 3 total stops
  • 38h 15m total
  • Sheffield to Seattle
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£71 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£19 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
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 16 May 2026.
Use the filters below to find and compare flights from Sheffield to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Thu 11/6

06:00-17:10

1 stop19h 10m

Seattle/Tacoma Intl

Thu 25/6

19:10-19:45

1 stop16h 35m

£653

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Thu 3/9

21:10-13:45

2 stops24h 35m

Seattle/Tacoma Intl

Mon 7/9

12:00-18:30

2 stops22h 30m

£739

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Sun 1/11

17:25-16:55

1 stop31h 30m

Seattle/Tacoma Intl

Thu 3/12

13:25-11:00

1 stop13h 35m

£744

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Fri 6/11

09:30-19:12

3 stops41h 42m

Seattle/Tacoma Intl

Mon 16/11

22:40-16:55

2 stops34h 15m

£785

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Thu 3/9

10:35-16:59

1 stop14h 24m

Seattle/Tacoma Intl

Mon 7/9

17:13-06:30

2 stops29h 17m

£790

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Tue 30/6

06:05-19:36

2 stops21h 31m

Seattle/Tacoma Intl

Tue 8/9

08:00-06:30

1 stop14h 30m

£792

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Mon 27/7

20:15-11:35

1 stop23h 20m

Seattle/Tacoma Intl

Tue 4/8

13:30-09:50

1 stop12h 20m

£831
Fastest return journey

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Tue 28/7

14:00-18:25

1 stop12h 25m

Seattle/Tacoma Intl

Wed 5/8

13:30-13:10

1 stop15h 40m

£831

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Thu 3/9

17:50-16:00

1 stop30h 10m

Seattle/Tacoma Intl

Mon 7/9

17:40-17:05

1 stop15h 25m

£831
Cheapest one-way

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Thu 3/9

19:25-16:00

2 stops28h 35m

£323

Flights are sorted by cheapest return flights first.

Deals found on 15/5

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

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 much does it cost for a return flight from Sheffield to Seattle?

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 16 May 2026.
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.
KLM
7.8
Good
1,517 reviews
Check prices

Boarding

7.8

Overall

7.8

Food

7.3

Entertainment

7.2

Comfort

7.7

Crew

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
KLM
7.8
Good
1,517 reviews
KLM
7.8
Good
1,517 reviews
Check prices

Boarding

7.8

Overall

7.8

Food

7.3

Entertainment

7.2

Comfort

7.7

Crew

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Virgin Atlantic
7.4
Good
688 reviews
KLM
7.8
Good
1,517 reviews
Check prices

Boarding

7.8

Overall

7.8

Food

7.3

Entertainment

7.2

Comfort

7.7

Crew

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Aer Lingus
7.3
Good
1,563 reviews
KLM
7.8
Good
1,517 reviews
Check prices

Boarding

7.8

Overall

7.8

Food

7.3

Entertainment

7.2

Comfort

7.7

Crew

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Icelandair
7.0
Good
654 reviews
KLM
7.8
Good
1,517 reviews
Check prices

Boarding

7.8

Overall

7.8

Food

7.3

Entertainment

7.2

Comfort

7.7

Crew

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
British Airways
6.7
Okay
7,982 reviews
KLM
7.8
Good
1,517 reviews
Check prices

Boarding

7.8

Overall

7.8

Food

7.3

Entertainment

7.2

Comfort

7.7

Crew

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

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 10 different airlines.

  • How long is the flight from Sheffield to Seattle?

    Airlines like Icelandair, United Airlines, and British Airways fly from Sheffield to Seattle in about 12h 40m. The time it takes to get you to your destination can typically vary by up to 29h 02m. 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.

  • What are the cheapest airlines to fly from Sheffield to Seattle one-way?

    One-way options have recently been found by users for as low as £394 on Icelandair. Other airlines that offer cheap prices include British Airways from £410 and Aer Lingus from £476 one-way.

  • 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.

See more FAQs

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Federal Way
SeaTac

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Top 10 airlines flying from Sheffield to Seattle

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 16 May 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£365Average£526FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£376Average£672FlexibilityNo cancel feeOn-time75%
Search KLM flights
LufthansaCheapest£394Average£627FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Scandinavian AirlinesCheapest£444Average£673FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
IcelandairCheapest£478Average£545FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Aer LingusCheapest£548Average£742FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Virgin AtlanticCheapest£555Average£661FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
United AirlinesCheapest£572Average£677FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air FranceCheapest£588Average£666FlexibilityNo cancel feeOn-time77%
Search Air France flights
DeltaCheapest£615Average£652FlexibilityNo cancel feeOn-timeN/A
Search Delta flights

Fly with Cheapflights

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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