BDL - SEA

$134 Find Cheap Flights from Hartford to Seattle

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Hartford to Seattle departing on 10/3. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

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These are the airlines KAYAK users have selected most often from within our search results in flight searches from Hartford to Seattle, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Hartford to Seattle, as well as popular online travel agencies
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Cheap Flights from Hartford to Seattle (BDL-SEA)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Hartford to Seattle that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Hartford to Seattle

Sat, Sep 20 - Tue, Sep 23
United Airlines Logo
2:57 pm - 10:59 pmBDL-SEA
11h 02m2 stops
United Airlines Logo
12:43 pm - 11:32 pmSEA-BDL
7h 49m1 stop
$312United Airlines
Find Deal
Fri, Sep 12 - Tue, Sep 16
Delta Logo
6:54 pm - 11:43 pmBDL-SEA
7h 49m1 stop
Delta Logo
11:40 pm - 10:33 amSEA-BDL
7h 53m1 stop
$315Delta
Find Deal
Thu, Nov 13 - Mon, Nov 17
Delta Logo
5:48 am - 10:45 amBDL-SEA
7h 57m1 stop
Delta Logo
11:05 pm - 12:06 pmSEA-BDL
10h 01m1 stop
$317Delta
Find Deal
Fri, Sep 12 - Tue, Sep 16
Southwest Logo
5:25 pm - 12:05 amBDL-SEA
9h 40m1 stop
Southwest Logo
11:10 pm - 12:05 pmSEA-BDL
9h 55m2 stops
$320Southwest
Find Deal
Mon, Sep 15 - Mon, Sep 22
Southwest Logo
5:25 pm - 12:05 amBDL-SEA
9h 40m1 stop
Southwest Logo
11:10 pm - 12:05 pmSEA-BDL
9h 55m2 stops
$322Southwest
Find Deal
Thu, Oct 23 - Sun, Oct 26
Delta Logo
6:51 pm - 11:57 pmBDL-SEA
8h 06m1 stop
Delta Logo
11:55 pm - 10:30 amSEA-BDL
7h 35m1 stop
$325Delta
Find Deal
Fri, Oct 31 - Sun, Nov 2
American Airlines Logo
12:27 pm - 7:29 pmBDL-SEA
10h 02m1 stop
American Airlines Logo
1:53 pm - 12:27 amSEA-BDL
7h 34m1 stop
$333American Airlines
Find Deal
Sat, Oct 4 - Sat, Oct 11
United Airlines Logo
6:00 am - 2:24 pmBDL-SEA
11h 24m2 stops
United Airlines Logo
8:00 am - 6:52 pmSEA-BDL
7h 52m1 stop
$341United Airlines
Find Deal
Thu, Sep 11 - Tue, Sep 16
American Airlines Logo
1:54 pm - 7:54 pmBDL-SEA
9h 00m1 stop
American Airlines Logo
10:11 am - 9:56 pmSEA-BDL
8h 45m1 stop
$357American Airlines
Find Deal
Thu, Oct 23 - Sun, Oct 26
Frontier Logo
8:31 pm - 12:07 pmBDL-SEA
18h 36m2 stops
Frontier Logo
7:28 pm - 10:46 amSEA-BDL
12h 18m2 stops
$406Frontier
Find Deal
Booking Insights

KAYAK's insights & trends for Hartford to Seattle flights

Get data-powered insights and trends into flights from Hartford to Seattle to help you find the cheapest flights, the best time to fly and much more.

Find cheap flights to Seattle
Find cheap flights to Seattle

Planning a trip from Hartford to Seattle? KAYAK’s data-powered insights will help you find cheap flights. Learn the best time to fly, how early to book your ticket, and other tips to secure great prices.

What’s the cheapest day of the week to fly from Hartford to Seattle?

The average price of all round-trip flights from Hartford to Seattle clicked on KAYAK for each day over the last 12 months.

If you are looking for a flight deal from Hartford to Seattle, look for departures on Saturdays and avoid leaving on a Sunday, as it's usually the priciest day. When flying back from Seattle, Tuesday is the cheapest day to fly and Sunday is the most expensive.

What is the cheapest month to fly from Hartford to Seattle?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Hartford to Seattle, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Hartford to Seattle is January, where tickets cost $487 (return) on average. On the other hand, the most expensive months are December and February, where the average cost of round-trip tickets is $676 and $591 respectively.

How far in advance should I book a flight from Hartford to Seattle?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Hartford to Seattle, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Hartford to Seattle, you should book around 5 weeks before departure, which saves you about 46% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 11 weeks before departure.

Good to know

Low seasonJanuary
Cheapest flight$134
Best time to beat the crowds with an average 14% drop in price.
Most popular time to fly with an average 3% increase in price.
Flight from Hartford to Seattle

When to book flights from Hartford to Seattle

Are your dates flexible? Find out the best times to travel from Hartford to Seattle based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Hartford to Seattle

  • Are there nursing rooms at BDL Airport?

    Yes. It is located at the post security. Here, you can freely breastfeed your baby. There is a lot of privacy and little interference. Comfortable seats are available to ensure you do not get tired as you breastfeed. You can pump milk for your baby too.

  • Are they kid friendly facilities at BDL Airport?

    Yes. There is a kids’ playground at the international terminal. Here, your kids can have a good time as they wait for the departure time of their flight. It enhances socialization among your kids and the others. You also have a place to sit as you watch over your kids.

  • Does SEA Airport offer services to business travelers?

    Yes. There is a conference center where you can hold meetings. The room is big enough to accommodate many people. This enables you proceed with you business activities on your arrival at the airport. The center is usually open from Monday to Friday from 7:30 am to 5 pm.

  • Are pets allowed at SEA Airport?

    Yes. There is a pet relief area. This service is of relevance to your pet. You can carry your furry friend so as to company on your arrival. They pet relief area is located near the parking garage. You can walk around with your pet.

  • What is the cheapest flight from Hartford to Seattle?

    In the last 3 days, the lowest price for a flight from Hartford to Seattle was $134 for a one-way ticket and $312 for a round-trip.

  • Do I need a passport to fly between Hartford and Seattle?

    A passport is not required to fly from Hartford to Seattle.

  • Which airports will I be using when flying from Hartford to Seattle?

    Hartford airport is called Hartford Bradley Intl and the only airport in Seattle is Seattle/Tacoma Intl.

  • Which aircraft models fly most regularly from Hartford to Seattle?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Hartford to Seattle?

    oneworld, SkyTeam, and Star Alliance are the airline alliances operating flights between Hartford and Seattle, with SkyTeam being the most commonly used for this route.

  • What is the most popular layover when flying to Seattle from Hartford?

    Chicago is the most popular layover city among KAYAK users traveling from Hartford to Seattle.

  • Which is the best airline for flights from Hartford to Seattle, Southwest or Delta?

    The two airlines most popular with KAYAK users for flights from Hartford to Seattle are Southwest and Delta. With an average price for the route of $584 and an overall rating of 8.0, Southwest is the most popular choice. Delta is also a great choice for the route, with an average price of $550 and an overall rating of 7.9.

  • How does KAYAK find such low prices on flights from Hartford to Seattle?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Hartford to Seattle.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Hartford to Seattle?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle from Hartford is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Hartford to Seattle?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Seattle with an airline and back to Hartford with another airline. Booking your flights between Hartford and SEA can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Hartford to Seattle?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Seattle from Hartford up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Hartford to Seattle

  • Bradley International Airport (BDL) offers parking facilities to the departing travelers. You have different parking options once you arrive at the airport. You can choose to Economy parking lot or the Express parking lot. Here, the safety and security of your car is assured. There is a charging station for those who have electric vehicles. There is a garage too when you can repair your car in case of any damage.
  • BDL Airport offers accessible services to travelers arriving at the airport. You are provided with a wheelchair that you can use to move around the airport. You only need to book for the service for it to be availed. There is an adapted toilet that you can easily use without falling down since you have a place to hold. There are ramps to ensure easy movement in the entire place using the wheelchair.
  • BDL Airport has lounges located within the airport. You can visit the lounges either by having a membership or through pay ass you visit. You can get all the drinks you need. Snacks are also available. You can relax as you wait for the departing time of your flight. The service is available to all the travelers regardless of the class of your flight.
  • Seattle Tacoma International Airport (SEA) offers car rental facilities to the arriving travelers. There are several car rental companies within the airport that offer the service. The companies include Fox, Hertz, National, Thrifty and Caro. You can book for a car prior to your day of arrival. This helps avoid inconveniences that might arise in case of late arrival. It also gives you the assurance of getting a means of transport while at the airport.
  • SEA Airport offers transport facilities to the arriving travelers. There are several bus companies that you can board. This is available at an affordable costs to all the arriving travelers regardless of the class of your flight. There is a taxi that takes a very short time to get to downtown. A light rail is located at the fourth floor and is very convenient.

Reviews of the top 5 airlines serving from Hartford to Seattle

 
See real verified KAYAK customer reviews for airlines flying from Hartford to Seattle. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Hartford to Seattle? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
SouthwestOverall score based on 4246 reviews
8.1Boarding
7.5Entertainment
7.0Food
8.0Comfort
8.6Crew
Airline reviews

Near 4 hour flight with only 1 service. Had to use call button to request water. Internet and power not working until into flight. Internet would stop working during flight.

6.0 GoodDavid, Aug 2025MCO - DEN
Read more Southwest reviews

Near 4 hour flight with only 1 service. Had to use call button to request water. Internet and power not working until into flight. Internet would stop working during flight.

Southwest's seats are the least comfortable I have ever sat in.

The cabin was quiet for the redeye flight. The area was clean. The staff was great. The 787 Max was in good condition. Drawbacks were that the seat widths were tight for some passengers. The seat padding was at best average and for a long flight uncomfortable.

Southwest like most American domestic airlines, is a mediocre airline. But it is among the cheapest. Oh well.

My flight was delayed 50 minutes and we were rushed to board to then sit for 15 minutes until the pilot arrived. Unacceptable since we could have waited to board. Also the delayed flight was updated AFTER we boarded to more than the 10 minutes as originally stated.

Other than a bit of a delay, everything was good. Again, the boarding process and picking seats is the only thing I don't enjoy.

If we are going to have to pay for luggage, make it easier to do. Put something on the app during check-in so I don't need to do it at the kiosk. I've done it twice recently and I ended up having to pay at the desk because something went wrong at the kiosk in Tampa.

southwest just starting charging for luggage. hadnt realized it until it was too late. now out $70 when i couldve bought a carry on if i wouldve known. free bags was one of the only reasons i chose southwest over another airline (the other being no assigned seats, which is apparently also being changed). stupid business decision. wont be flying southwest anymore.

The quality of Southwest Airlines continues to degrade each time I fly with them. If it were not for the free luggage, I would probably choose another airline. Their prices are a little bit competitive, but way too high for the quality of the service. Southwest is not unique in this way. Domestic flight in the United States of America has continued to be a lower and lower quality product. Very sad when you compare the quality of domestic airlines to that of many international airlines around the world.

Very smooth checking in our luggage with a super pleasant SW agent. I enjoyed a fun entertaining movie.

Three seats in first class were broken and while they were able to still acommodate us it was looking very touch and go and they had others they could not acommodate

Mechanic delay in addition to a 2 hour change in takeoff time was frustrating.

Delayed due to thunderstorms and no in-flight service due to rough weather — both of which are out of Delta’s control. Flight was good overall.

The flight attendants in SLC were rude. I arrived 40 minutes early to gate. Ticket said I needed check in for seat assignments and tried check in and attendants said they weren’t doing it. And proceeded to never call me to give me a ticket so when time to board I received the very last seat. Please relay to employees to do their job better..,

On this flight I felt the food offering was not as complete as on previous flights. The tomato salad was a bit off and there was nothing additional such a bread or butter. The breakfast was only one option, so you either ate what they had or ate nothing. The crew was efficient, but most seemed frustrated throughout the flight. The flight arrived early and was obstacle-free, so I’m overall quite happy, but the shine in the rest of the experience just wasn’t there.

The seats got pretty uncomfortable pretty fast. The armrests are bigger than on other planes, so I had less room in the actual seat. My butt hurt by the end of the flight. :/ comfort was the primary issue. The crew were fantastic!

I believe that a four-hour trip should have a meal. Delta had none.

Great flight with Delta! Boarding was quick and easy, the amenities were solid, and the plane was in great shape. The flight attendants had a fun, lively energy while staying professional. All in all, a smooth trip — even managed to catch up on some rest. Thanks, Delta!

I was uncomfortably cold on the plane. Other than that it was uneventful and therefore as enjoyable as a plane ride can be.

There was supposed to be a meal served, but there wasn’t and the major toilet was out of order

It is clear that someone knew, and competent, is in charge of food at United Airlines at least for the international flights. I was flying in coach, but the choices of the dinner were excellent. Tasty, and appropriate size. I had the beef, which was a little bit like a shepherds pie, and it was good. Nothing comparable has been served on a United flight in years. It will not be confused with three star food, but it is very good for airline food. Even better was the breakfast choice between a cinnamon roll and a breakfast sandwich. I chose the breakfast sandwich which was absolutely delicious and which I would happily order again at my local Starbucks or Panera. It is clear that someone knew indifferent is in charge of the food and it’s about time.

The flight was comfortable with the exit row and great service

Had to cancel first flight because Airporter Bus took over 3 hrs to get to airport which resulted in an extra $378 dollar fare . Is there anyway I can be reimbursed for initial fare since it was not my fault? Sent from my iPhone EJ Ledet

Plane was crowded and even when we hit altitude, the plane was hot, not enough air flow.

Flight attendant in first class gave poor service (like he didn't want to be there) and food was awful. We sat waiting for gate upon arrival over 45 mins.

Stuck on tarmac for two hours plus a 5.5 hour flight. Rude flight attendant. And no meals, not even for purchase!

Excellent flight. Boarding was efficient and departure was on time. Smooth flight with on time arrival. Deplaning was also efficient.

This flight was perfect. No complaints and only the highest regard for the crew and ground staff and how they executed perfectly. I fly a lot with United and would request predictability and transparency in their operations instead of last minute changes.

This is for UA2274 from Houston to Sacramento. The flight was delayed arriving due to mechanical issues so we left about 3 hours later than scheduled. When boarding the plane the temperature inside was excessive - likely close to 100. Pilot apologized and said it was going to improve at altitude, which it did. But before that I honestly thought there might have been more delays removing passengers made ill from the heat. We were delayed leaving due to another mechanical issue. There was not water on the plane due to a panel that was not secured. They did that quickly, but the combination of mechanical issues was rather disturbing and did not reflect well on United.

1. when we went to check in, our 2 first class seats had been CANCELED and the flight was sold out. This was done without our prior knowledge. It was all we could do to restore one first class seat for my wife and I flew economy. 2, Our flight home was scheduled to leave at 10:30 pm. Due to tsunami warnings, the roads were closed and our flight status was uncertain as to whether it would leave as scheduled. It was announced that it would now leave at 11:20 pm and the roads were now open since the tsunami had come and gone. We made a mad dash to the airport and checked in. Delays were announced at 12:30 pm, 1:30 am, 2:30 am and at 3:30 am it was canceled. Since this was a flight due to natural (tsunami) causes, there was no compensation. We were told to return at 1:00 pm the next day and our baggage would be kept on the plane since the same plane was going to leave at 1:00 pm. We had to return to our hotel for the rest of the night. The same plane did not leave at 1:00 pm and our baggage was gone! All in all, it was a miserable performance by UA. Information was hard to obtain and no one knew what was going on and what was going to happen. Hundreds of passengers slept on the floor, chairs, etc. No food and no water was made available to the passengers. It was a situation where UA could care less what was going on. As a one million mile flyer, I had not experienced anything like this before and it was hugely disappointing!

Delayed flight that lead to a missed connection and a 5-hour trip became a 12-hour flight 🙄

Any flight to ORD after about 2pm this summer has been challenging. Flight was delayed getting in (coming from ORD) and that led to it not leaving before a ground stop due to lightening before they could fuel the plane, and so forth. They made up some time but we were still late in arriving at ORD, and that led to missed connections.

Food was ok, but not as good as I have had before on AA.

No issues. They did change our gate FOUR times in about 30 minutes which was mildly annoying but the flight was fine.

Great flight. No issues at all. I still think boarding could be more efficient but otherwise, a good experience.

Pretty good. The food was just mediocre, the boarding and crew were good.

The comfort of the seats was great, the crew eased my child’s anxieties and the fact that I had full cans of my beverage choice was great.

My flight got switched and my prepaid bag didnt transfer over properly so I paid to check ANOTHER BAG. I was placed in a middle seat and it was just miserable. At least it was a bulkhead row so I had legroom. The flight just never seem3d to end

4 hours late, including over +1 hour waiting in plane to take off. Baggage left behind too.

Sat on the ground in Cincinnati for 50 minutes before deplaning

The plane was freezing cold. Asked for a blanket and there were none. Was told twice that the pilots would warm the plane and it never happened Worst experience flying ever

Multiple delays because they screwed up on the crew schedule and had to wait for over an hour for more people to come.

It was good. Basic flight. Drinks only. Pay budget. Get budget and I’m good with that. I want to get where I need to go. Not hard to please. Female First Officer is an absolute bonus for me!

The Wi-Fi was off, the arm rests are hard plastic.

The assistance with the wheel chairs was fabulous. All the people were so very friendly and helpful. I want to thank them all.

We almost missed our return flight. We got to the gate one minute from closing the cabin door, and the agent got us aboard the plane! We are so very grateful!!!!!

I already filled out a survey for this flight. We booked through KAYAK with airfare assist, and airfare assist did not confirm or honor our flight. Therefore, we had to go to a different place with a different travel agency. I tried very hard with airfare assist, They also promoted this on cheapair.com, but it was a bait and switch in both instances.

The flight there was frustrating but the flight home was very good.

Flight was delayed in phoenix by 1 hour. When Kenny got to minneapolis st paul, Kenny missed his connecting flight to Duluth on Sun country air. Sun country customer service did nothing to help Kenny get home to Duluth. We will not fly with sun country ever again.

When we landed in Minneapolis from Providence, the ground crew was unable to move the jet bridge to meet our plane because the wheels were frozen. We waited patiently on the plane for about 45 minutes while they tried to solve this problem. It was mind boggling that this would not be more quickly resolved, or anticipated, in a place where sever winter weather is the norm. We stressed about meeting our connecting flight to Portland, which we assumed would be our only option for that day. Fortunately, when we finally raced from our gate to the next one, that Sun Country flight had been delayed so we didn't miss it. We decided not to take anything but direct flights from now on, no matter how much cheaper.

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