Cheap flights from Dallas to Seattle from $86
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Dallas to Seattle departing on 9/16. 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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How to get the cheapest flight ticket from Dallas to Seattle
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 Seattle?
In general, January is the cheapest month to fly from Dallas to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $205. If you don’t want to visit Seattle in January, then you should wait until September to fly from Dallas, when ticket prices are also cheap, with an average price of $216.
What is the cheapest day to depart on your flight to Seattle?
On average, the least expensive day to fly to Seattle from Dallas is on a Friday. momondo users have found tickets for Friday departures for as low as $328. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Dallas because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $471.
What is the cheapest time of day to depart on your flight to Seattle?
Flying to Seattle from Dallas at noon is the least expensive time of day to depart. momondo users have found prices as low as $363 when looking at flights departing at noon. Flights to Seattle are more costly in the evening, with an average ticket price of $426. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.
What is the cheapest Dallas to Seattle/Tacoma Intl flight route?
Fly from Dallas Love Field to Seattle/Tacoma Intl for the best Dallas - Seattle/Tacoma Intl flight prices
How far in advance should I book a flight to Seattle?
You are more likely to see cheaper flights to Seattle from Dallas when booking 8 weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $268 when searching 8 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Dallas for as low as $239 on momondo.
What cabin class options are available on Dallas to Seattle/Tacoma Intl flights?
There are 4 cabin classes available to choose from on Dallas to Seattle/Tacoma Intl 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 Dallas to Seattle/Tacoma Intl?
Hawaiian Airlines, Alaska Airlines, and Southwest are the most popular carriers operating from Dallas to Seattle/Tacoma Intl
What airlines fly to Seattle?
Alaska Airlines, American Airlines and Frontier are the top three most popular airlines that fly to Seattle from Dallas according to our data. Alaska Airlines is the first choice among our users, with 36% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 8 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.
How many flights depart from Dallas to Seattle on average per day?
The number of flights available between Dallas and Seattle is 51 per day as of June 2025. The most frequent departure time is 6:00PM, with 37% of daily flights leaving in the evening.
How many flights depart from Dallas to Seattle on average per week?
358 flights are operational weekly from Dallas to Seattle as of June 2025. The most popular departure day for this route is Thu, with 19% of flights per week taking off on this day.
Cheap Dallas to Seattle flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Dallas to Seattle
How far is Dallas to Seattle/Tacoma Intl by plane?
The distance between Dallas and Seattle/Tacoma Intl is about 1678.4 mi. A reasonable flight in good conditions will take 4h 10m.
When did momondo last update prices for flights from Dallas to Seattle/Tacoma Intl Airport?
Prices for flights from Dallas to Seattle/Tacoma Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Dallas to Seattle/Tacoma Intl Airport?
There are 8 operators available for flights from Dallas to Seattle/Tacoma Intl Airport as of June 2025.
How old do you have to be to fly from Dallas to Seattle/Tacoma Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Dallas to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The travel and health documents required for your trip to Seattle/Tacoma Intl 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 Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
Best airlines flying from Dallas to Seattle
Compare and see reviews for airlines that fly from Dallas to Seattle with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $66 | Free Cancellation | Rating 5.9 3,295 reviews | |||
| PriceFrom $77 | Free Cancellation | Rating 6.3 8,052 reviews | |||
| PriceFrom $129 | Free Cancellation | Rating 7.8 2,494 reviews | |||
| PriceFrom $141 | Free Cancellation | Rating 8.0 7,946 reviews | |||
| PriceFrom $188 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $190 | Free Cancellation | Rating 8.0 10,000 reviews | |||
| PriceFrom $226 | Free Cancellation | Rating 8.0 4,287 reviews | |||
| PriceFrom $247 | Free Cancellation | Rating 7.4 8,790 reviews |
Traveling to a place near Seattle?
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Why should I use momondo to find a flight deal from Dallas to Seattle?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Dallas to Seattle for you.
Can I find flights from Dallas to Seattle with flexible booking policies on momondo?
Yes. All flights to Seattle from Dallas on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Dallas to Seattle?
Once all potential Dallas to Seattle 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 Dallas to Seattle right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Seattle from Dallas. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.