Find flights
When to book
Airlines
FAQs

Cheap flights from Sheffield to Seattle from £304

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 15/5. Fares are subject to change and may not be available on all flights or dates of travel.
MAN — SEA
29 May — 5 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 29 April 2026.

Tue 9/607:30
MAN
-
SEA
1 stop17h 40m
Multiple Airlines
Tue 16/619:10
SEA
-
MAN
1 stop15h 20m
Multiple Airlines
Deal found 25/4£514
Tue 26/513:05
MAN
-
SEA
1 stop12h 05m
Multiple Airlines
Tue 2/619:10
SEA
-
MAN
1 stop18h 50m
Multiple Airlines
Deal found 28/4£527
Sat 9/511:55
MAN
-
SEA
1 stop13h 15m
Multiple Airlines
Sat 16/519:10
SEA
-
MAN
1 stop21h 00m
Multiple Airlines
Deal found 26/4£533
Sat 23/519:10
MAN
-
SEA
1 stop26h 35m
Scandinavian Airlines
Sat 30/515:55
SEA
-
MAN
1 stop33h 00m
Scandinavian Airlines
Deal found 25/4£559
Sat 30/509:35
MAN
-
SEA
1 stop12h 10m
Scandinavian Airlines
Sat 6/615:55
SEA
-
MAN
1 stop33h 00m
Scandinavian Airlines
Deal found 29/4£572
Sat 23/519:10
MAN
-
SEA
1 stop26h 35m
Scandinavian Airlines
Sun 31/515:55
SEA
-
MAN
1 stop33h 00m
Scandinavian Airlines
Deal found 25/4£578
Thu 1/1021:10
MAN
-
SEA
2 stops24h 35m
Scandinavian Airlines
Sun 4/1015:55
SEA
-
MAN
1 stop18h 35m
Scandinavian Airlines
Deal found 26/4£585
Sat 29/821:15
MAN
-
SEA
2 stops24h 30m
Scandinavian Airlines
Sun 6/915:55
SEA
-
MAN
1 stop18h 35m
Scandinavian Airlines
Deal found 25/4£588
Sat 5/909:35
MAN
-
SEA
1 stop12h 10m
Scandinavian Airlines
Sat 12/915:55
SEA
-
MAN
2 stops19h 35m
Scandinavian Airlines
Deal found 27/4£589

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 29 April 2026.

Round-trip from

£514

One-way from

£304

Popular in

August

Cheapest in

October

Average price

£595
9/6-16/6
  • 9/6-16/6
  • 2 total stops
  • 33h 00m total
  • Sheffield to Seattle
Search Deals
15/5
  • 15/5
  • 3 total stops
  • 45h 30m total
  • Sheffield to Seattle
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£72 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£18 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 29 April 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

Wed 2/9

21:10-13:45

2 stops48h 35m

Seattle/Tacoma Intl

Sun 6/9

15:55-08:55

1 stop33h 00m

£618

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Thu 21/5

12:45-13:45

2 stops33h 00m

Seattle/Tacoma Intl

Thu 28/5

07:15-08:55

2 stops41h 40m

£623
Fastest return journey

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Wed 2/9

13:05-17:55

1 stop12h 50m

Seattle/Tacoma Intl

Sun 6/9

15:40-11:40

1 stop12h 00m

£673

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Fri 7/8

19:10-13:45

1 stop26h 35m

Seattle/Tacoma Intl

Tue 25/8

15:55-20:30

2 stops20h 35m

£750

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Tue 12/5

05:55-12:20

1 stop14h 25m

Seattle/Tacoma Intl

Fri 22/5

18:50-17:05

1 stop14h 15m

£761

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Tue 30/6

06:55-11:35

1 stop12h 40m

Seattle/Tacoma Intl

Tue 8/9

20:20-19:00

1 stop14h 40m

£776

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Tue 30/6

15:00-23:08

1 stop16h 08m

Seattle/Tacoma Intl

Tue 8/9

09:30-10:20

2 stops16h 50m

£816

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Mon 15/6

08:00-18:25

1 stop18h 25m

Seattle/Tacoma Intl

Wed 1/7

13:46-15:30

2 stops17h 44m

£822

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Mon 8/6

06:05-14:36

3 stops40h 31m

Seattle/Tacoma Intl

Mon 15/6

12:04-06:30

2 stops34h 26m

£826
Cheapest one-way

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Sun 7/6

20:50-18:45

3 stops53h 55m

£315

Flights are sorted by cheapest return flights first.

Deals found on 26/4

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 29 April 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
1,510 reviews
Check prices

Entertainment

7.1

Overall

7.8

Boarding

7.8

Food

7.3

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
1,510 reviews
KLM
7.8
Good
1,510 reviews
Check prices

Entertainment

7.1

Overall

7.8

Boarding

7.8

Food

7.3

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
1,510 reviews
Check prices

Entertainment

7.1

Overall

7.8

Boarding

7.8

Food

7.3

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
1,536 reviews
KLM
7.8
Good
1,510 reviews
Check prices

Entertainment

7.1

Overall

7.8

Boarding

7.8

Food

7.3

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
646 reviews
KLM
7.8
Good
1,510 reviews
Check prices

Entertainment

7.1

Overall

7.8

Boarding

7.8

Food

7.3

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
7,931 reviews
KLM
7.8
Good
1,510 reviews
Check prices

Entertainment

7.1

Overall

7.8

Boarding

7.8

Food

7.3

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 Scandinavian Airlines and Icelandair fly from Sheffield to Seattle in about 12h 50m. The time it takes to get you to your destination can typically vary by up to 35h 45m. 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 £388 on Icelandair. Other airlines that offer cheap prices include British Airways from £404 and Aer Lingus from £469 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

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.

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 29 April 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£360Average£518FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£371Average£660FlexibilityNo cancel feeOn-time75%
Search KLM flights
LufthansaCheapest£388Average£621FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Scandinavian AirlinesCheapest£456Average£673FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
IcelandairCheapest£471Average£539FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
United AirlinesCheapest£485Average£648FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Aer LingusCheapest£540Average£749FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Air FranceCheapest£543Average£711FlexibilityNo cancel feeOn-time77%
Search Air France flights
Virgin AtlanticCheapest£547Average£635FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
DeltaCheapest£588Average£644FlexibilityNo 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.