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Cheap flights from Sheffield to Seattle from £296

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 27/4. Fares are subject to change and may not be available on all flights or dates of travel.
MAN — SEA
28 Apr — 5 May1
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 March 2026.

Sun 10/508:10
MAN
-
SEA
1 stop17h 00m
Multiple Airlines
Sun 17/519:10
SEA
-
MAN
1 stop18h 25m
Multiple Airlines
Deal found 26/3£519
Thu 17/921:10
MAN
-
SEA
2 stops24h 35m
Scandinavian Airlines
Sat 3/1015:55
SEA
-
MAN
1 stop18h 55m
Scandinavian Airlines
Deal found 23/3£526
Sat 30/509:35
MAN
-
SEA
1 stop12h 10m
Scandinavian Airlines
Sun 7/615:55
SEA
-
MAN
1 stop33h 00m
Scandinavian Airlines
Deal found 26/3£535
Sat 2/506:50
MAN
-
SEA
3 stops34h 50m
Multiple Airlines
Sat 9/519:00
SEA
-
MAN
2 stops17h 15m
Multiple Airlines
Deal found 24/3£538
Fri 18/919:10
MAN
-
SEA
1 stop26h 35m
Scandinavian Airlines
Sun 20/915:55
SEA
-
MAN
1 stop33h 00m
Scandinavian Airlines
Deal found 27/3£548
Wed 16/913:05
MAN
-
SEA
1 stop12h 50m
Icelandair
Thu 8/1015:40
SEA
-
MAN
1 stop12h 00m
Icelandair
Deal found 24/3£553

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 March 2026.

Round-trip from

£519

One-way from

£296

Popular in

August

Cheapest in

October

Average price

£628
10/5-17/5
  • 10/5-17/5
  • 2 total stops
  • 35h 25m total
  • Sheffield to Seattle
Search Deals
27/4
  • 27/4
  • 3 total stops
  • 46h 30m total
  • Sheffield to Seattle
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£83 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£22 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 March 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

Fri 18/9

19:10-13:45

1 stop26h 35m

Seattle/Tacoma Intl

Sun 20/9

15:55-08:55

1 stop33h 00m

£575
Fastest return journey

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Sun 20/9

09:35-13:45

1 stop12h 10m

Seattle/Tacoma Intl

Fri 2/10

15:55-08:55

1 stop33h 00m

£576

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Sun 13/9

09:35-13:45

1 stop12h 10m

Seattle/Tacoma Intl

Fri 25/9

15:55-08:55

1 stop33h 00m

£576

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Mon 21/9

12:45-13:45

2 stops33h 00m

Seattle/Tacoma Intl

Sat 3/10

15:55-08:55

1 stop33h 00m

£609

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Mon 18/5

19:10-22:55

2 stops35h 45m

Seattle/Tacoma Intl

Sun 31/5

15:55-18:30

1 stop18h 35m

£668
Cheapest one-way

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Sat 16/5

17:40-16:00

3 stops30h 20m

£348

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Thu 9/4

06:00-20:40

2 stops22h 40m

£419

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Fri 29/5

13:05-17:55

1 stop12h 50m

£515

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Fri 3/4

19:50-16:00

2 stops28h 10m

£527
Fastest single journey

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Mon 25/5

06:55-11:35

1 stop12h 40m

£533

Flights are sorted by cheapest return flights first.

Deals found on 25/3

Showing 1-10 of 14 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 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 13 March 2026.

The best time to book flights from Sheffield to Seattle is 72 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, April is the cheapest month in which you can book a flight from Sheffield to Seattle (average of £366). Flying from Sheffield to Seattle in July is currently the most expensive (average of £590). 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.

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 March 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
1,477 reviews
Check prices

Comfort

7.6

Overall

7.8

Food

7.3

Entertainment

7.1

Boarding

7.8

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.8
Good
1,477 reviews
KLM
7.8
Good
1,477 reviews
Check prices

Comfort

7.6

Overall

7.8

Food

7.3

Entertainment

7.1

Boarding

7.8

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Virgin Atlantic
7.5
Good
685 reviews
KLM
7.8
Good
1,477 reviews
Check prices

Comfort

7.6

Overall

7.8

Food

7.3

Entertainment

7.1

Boarding

7.8

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Aer Lingus
7.2
Good
1,491 reviews
KLM
7.8
Good
1,477 reviews
Check prices

Comfort

7.6

Overall

7.8

Food

7.3

Entertainment

7.1

Boarding

7.8

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Icelandair
7.0
Good
627 reviews
KLM
7.8
Good
1,477 reviews
Check prices

Comfort

7.6

Overall

7.8

Food

7.3

Entertainment

7.1

Boarding

7.8

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
British Airways
6.7
Okay
7,825 reviews
KLM
7.8
Good
1,477 reviews
Check prices

Comfort

7.6

Overall

7.8

Food

7.3

Entertainment

7.1

Boarding

7.8

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

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 Scandinavian Airlines fly from Sheffield to Seattle in about 26h 35m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 4633 mi.

  • 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 £395 on Icelandair. Other airlines that offer cheap prices include British Airways from £412 and Aer Lingus from £478 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.

  • What is the cheapest month to book a flight from Sheffield to Seattle?

    Currently, April is the cheapest month in which you can book a flight from Sheffield to Seattle (average of £366). Flying from Sheffield to Seattle in July is currently the most expensive (average of £590). 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.

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

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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 29 March 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£367Average£526FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£378Average£670FlexibilityNo cancel feeOn-time75%
Search KLM flights
LufthansaCheapest£396Average£628FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Scandinavian AirlinesCheapest£465Average£676FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
IcelandairCheapest£480Average£548FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
United AirlinesCheapest£495Average£652FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
FinnairCheapest£521Average£616FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Aer LingusCheapest£550Average£788FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Air FranceCheapest£553Average£714FlexibilityNo cancel feeOn-time77%
Search Air France flights
Virgin AtlanticCheapest£560Average£648FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic 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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