Cheap flights from Seattle to Dallas from C$ 120
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Dallas departing on 23/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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United Airlines flights from Seattle to Dallas/Fort Worth Airport
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American Airlines flights from Seattle to Dallas/Fort Worth Airport
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How to get the cheapest flight ticket from Seattle to Dallas/Fort Worth Airport
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Dallas/Fort Worth Airport?
If you are unable to visit Dallas/Fort Worth Airport during the month of September, then departing from Seattle during the month October is also very affordable. Most momondo users find prices during this month for around C$ 295.
What is the cheapest day to depart on your flight to Dallas/Fort Worth Airport?
The cheapest day to depart from Seattle to Dallas/Fort Worth Airport is on a Wednesday when prices can be found for as low as C$ 258. On the other hand, Sunday is the most expensive day to depart from Seattle because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 655.
What is the cheapest time of day to depart on your flight to Dallas/Fort Worth Airport?
The cheapest time of day to fly to Dallas/Fort Worth Airport is in the afternoon when flights can be purchased for as low as C$ 259. In the evening is when there is more demand to fly to Dallas/Fort Worth Airport, so prices are often more expensive at around C$ 475 per ticket.
What is the cheapest Seattle/Tacoma Intl to Dallas/Fort Worth flight route?
Fly from Seattle/Tacoma Intl to Dallas/Fort Worth for the best Seattle/Tacoma Intl - Dallas/Fort Worth flight prices
How far in advance should I book a flight to Dallas/Fort Worth Airport?
You are more likely to see cheaper flights to Dallas/Fort Worth Airport from Seattle when booking 9 weeks ahead of your departure date. In general, you can expect to find flights to Dallas/Fort Worth Airport for around C$ 380 when searching 9 weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dallas/Fort Worth Airport from Seattle for as low as C$ 299 on momondo.
What cabin class options are available on Seattle/Tacoma Intl to Dallas/Fort Worth flights?
There are 2 cabin classes available to choose from on Seattle/Tacoma Intl to Dallas/Fort Worth flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Seattle/Tacoma Intl to Dallas/Fort Worth?
Alaska Airlines, Hawaiian Airlines, and United Airlines are the most popular carriers operating from Seattle/Tacoma Intl to Dallas/Fort Worth
Which airlines fly to Dallas/Fort Worth Airport?
Frontier, Alaska Airlines and American Airlines are the top three most popular airlines that fly to Dallas/Fort Worth Airport from Seattle according to our data. Frontier is the first choice among our users, with 46% of people opting to fly with this airline when travelling to Dallas/Fort Worth Airport. Keep in mind that there are 6 different airlines that fly to Dallas/Fort Worth Airport on a routine basis, so you have a few additional options to choose from.
How many flights depart from Seattle to Dallas/Fort Worth Airport on average per day?
As of June 2025, 64 flights take off from Seattle and land in Dallas/Fort Worth Airport each day. The most common flight departure time for this route is 5:00p.m., with 49% of daily flights taking off at noon.
How many flights depart from Seattle to Dallas/Fort Worth Airport on average per week?
As of June 2025, 451 flights take off from Seattle and land in Dallas/Fort Worth Airport each week. The most common flight departure day for this route is Thu, with 15% of weekly flights taking off on this day.
When to book flights from Seattle to Dallas/Fort Worth Airport
Cheap Seattle to Dallas/Fort Worth Airport (SEA to DFW) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Seattle to Dallas/Fort Worth Airport
How far is Seattle/Tacoma Intl to Dallas/Fort Worth by plane?
The straight-line distance from Seattle/Tacoma Intl to Dallas/Fort Worth is 2677.1 km. By plane, this route typically takes 3h 48m.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Dallas/Fort Worth Airport?
Prices for flights from Seattle/Tacoma Intl Airport to Dallas/Fort Worth Airport are updated daily.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Dallas/Fort Worth Airport?
There are 6 operators available for flights from Seattle/Tacoma Intl Airport to Dallas/Fort Worth Airport as of June 2025.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Dallas/Fort Worth Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Dallas/Fort Worth Airport.
What documentation or ID do you need to fly to Dallas/Fort Worth Airport?
The travel and health documents required for your trip to Dallas/Fort Worth Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Dallas/Fort Worth Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Seattle to Dallas/Fort Worth Airport?
Based on momondo bookings for flights between Seattle and Dallas/Fort Worth Airport, the leading plane model is Boeing 737-900 Passenger/BBJ3 (winglets), making up 20.03% of the total bookings. Other popular models include Boeing 737-800 Passenger/BBJ2 (winglets) with 18.63%, Boeing 737 MAX 9 with 17.35%, and Airbus A321-100/200 with 16.08%.
What is the most popular airline from Seattle to Dallas/Fort Worth Airport?
Based on momondo bookings for flights between Seattle and Dallas/Fort Worth Airport, the leading airline is Frontier, making up 44% of the total bookings. Other popular airlines include Alaska Airlines with 30%, American Airlines with 17%, and Delta with 5%.
Best airlines flying from Seattle to Dallas/Fort Worth Airport
Compare and see reviews for airlines that fly from Seattle to Dallas/Fort Worth Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom C$ 82 | Free Cancellation | Rating 6.3 8,061 reviews | |||
| PriceFrom C$ 121 | Free Cancellation | Rating 5.9 3,296 reviews | |||
| PriceFrom C$ 147 | Free Cancellation | Rating 8.0 7,963 reviews | |||
| PriceFrom C$ 161 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom C$ 176 | Free Cancellation | Rating 7.8 2,500 reviews | |||
| PriceFrom C$ 204 | Free Cancellation | Rating 8.0 10,000 reviews |
Delta Flights From Seattle to Dallas/Fort Worth Airport
Delta flies from Seattle to Dallas/Fort Worth Airport around 13 times per week, with 7,963 momondo users rating the airline 8.0/10. The cheapest Delta deal from Seattle to Dallas/Fort Worth Airport in the last 72 hours was C$ 108 (round-trip), much lower than the average airfare cost of C$ 237 for Delta flights on this route.
Alaska Airlines Flights From Seattle to Dallas/Fort Worth Airport
C$ 150 is the best Alaska Airlines flight deal from Seattle to Dallas/Fort Worth Airport found on momondo over the last 72 hours. The average Alaska Airlines ticket price found was closer to C$ 270, however, with flight time and availability significantly affecting the price. Alaska Airlines (8.0/10 from 10,000 user reviews) flies into Dallas/Fort Worth Airport from Seattle 35 times in an average week so prices can vary.
Travelling to a place near Dallas?
Book flights to Dallas if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Seattle to Dallas?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Dallas from Seattle.
Can I find flights from Seattle to Dallas with flexible booking policies on momondo?
Yes. All flights to Dallas from Seattle on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Seattle to Dallas?
Once all potential Seattle to Dallas flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Seattle to Dallas right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Seattle to Dallas flights. All you need is a valid email address and we will do the rest; it is that quick and easy.