$85 Find Cheap Flights from Washington to Missouri

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Good to know

Low seasonJanuary
High seasonJuly
Cheapest flight$85
Best time to beat the crowds but there is an average 3% increase in price.
Most popular time to fly and prices are also 4% lower on average.
Flight from Seattle to St. Louis

Flights from Washington to Missouri: the best tips from KAYAK users

Insights shared by verified travelers who flew the route from Washington to Missouri 
Verified travelerFlew with Alaska AirlinesSEA-MCIOct 2024
TSA lines in Seattle can get very long early in the day. Also, plan to return your rental car early since you have to take a shuttle bus to the terminal and those lines can get long early in the day, too. Currently there is construction in the North Terminal, so be prepared for moving around barriers. The day I flew out, the escalators were not working.
Verified travelerFlew with Alaska AirlinesSEA-STLFeb 2024
Be sure to measure your wheels for carry on my luggage was the correct size but the wheels made it over so had to check my bag wasn't happy about that since you have to pay for checked should at least get one free.

FAQs for booking flights from Washington to Missouri

  • How does KAYAK find such low prices on flights from Washington to Missouri?

    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 Washington to Missouri.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Washington to Missouri 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 Washington to Missouri?

    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 from Washington to Missouri with an airline and back with another airline.

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

    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 from Washington to Missouri up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • Which is the cheapest airport to fly into in Missouri?

    Prices will differ depending on the departure airport, but generally, the cheapest airport to fly to in Missouri is Lambert-St Louis Airport (STL), with an average flight price of $209.

  • What is the cheapest day to fly to Missouri?

    Based on KAYAK data, the cheapest day to fly to Missouri is Thursday where round-trip tickets can be as cheap as $386. On the other hand, the most expensive day to fly is Sunday, where round-trip prices are $488 on average.

  • What is the cheapest time of day to fly to Missouri?

    The cheapest time of day to fly to Missouri is generally at night, when round-trip flights cost $267 on average. Morning departures are around 9% more expensive than evening flights, on average. The most expensive time of day to fly to Missouri is generally in the morning, which is peak travel time and where the average cost of a ticket is $443.

  • What is the cheapest flight to Missouri?

    The cheapest ticket to Missouri from Washington found in the last 72 hours was to Kansas City, at $226 round-trip. The most popular route is Seattle (SEA) to St. Louis (STL) and the cheapest round-trip airline ticket found on this route in the last 72 hours was $249.

  • What is the cheapest month to fly from Washington to Missouri?

    The cheapest month for flights from Washington to Missouri is January, when tickets cost $297 (return) on average. On the other hand, the most expensive months are December and November, when the average cost of round-trip tickets is $853 and $628 respectively.

  • How far in advance should I book a flight from Washington to Missouri?

    To get a below average price on the flight from Washington to Missouri, you should book around 3 weeks before departure. For the absolute cheapest price, our data suggests you should book 21 weeks before departure.

  • How long is the flight to Missouri?

    An average nonstop flight from Washington to Missouri takes 8h 19m, covering a distance of 1538 miles. The shortest route is Portland (PDX) to Kansas City (MCI) with an average flight time of 3h 23m.

  • What are the most popular destinations in Missouri?

    Based on KAYAK flight searches, the most popular destination is Kansas City (48% of total searches to Missouri). The next most popular destinations are St. Louis (42%) and Springfield (7%). Searches for flights to Branson (2%), to Columbia (1%) and to Joplin (0%) are also popular.

Top 5 airlines serving from Washington to Missouri

 
Need help choosing which airline to fly with from Washington to Missouri? 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
Alaska AirlinesOverall score based on 10000 reviews
7.1Entertainment
7.8Comfort
7.1Food
8.1Boarding
8.5Crew
Airline reviews

We had to take the train to our next gate but had time to eat a meal. When to our next gate and asked employee about gate and got informed that gate had been changed so back on train to next gate. So thankful she was there and informed us of gate change. Because of the issue the boarding was slow but employees were there and busy helping all and keeping it organized.

10.0 ExcellentHelen, Jun 2025SEA - MCI
Read more Alaska Airlines reviews

We had to take the train to our next gate but had time to eat a meal. When to our next gate and asked employee about gate and got informed that gate had been changed so back on train to next gate. So thankful she was there and informed us of gate change. Because of the issue the boarding was slow but employees were there and busy helping all and keeping it organized.

The crew the employees were friendly and excellent. There was a problem with the plane and they had workers there immediately working on it. They made sure the people that had immediate connects knew what gates they had to get to and had them leave the plane first. Very thoughtful.

Very pleasant and the flight felt like it went by quick

All flight entertainment is from your own device and there was an $8 charge to connect. also 1 drink and a small bag of pretzels was all that was given to us. other that that the seats were good and the flight itself was as expected.

It is very bad they do not give you money back

They lost our bag and it took them days to find it. Terrible communication and lots of lies about where it was. Their system hasn’t merged with Hawaiian yet they route people on shared flights with Hawaiian, creating an administrative nightmare.

Flight was about 30 minutes delayed. All staff were friendly and professional while keeping us updated.

Major flight delays, it was a 1.5-hour delay. The gate kept changing about 3 times in Seattle. very hectic and chaotic.

More leg room in back seats. Can you require people to smell good on planes? ha ha Staff was great! Plane was comfortable. I enjoyed the movies and TV. Smooth take off and landing.

The only problem was the time delay. Kudos to the counter agent in Seattle. Very helpful and gracious.

Southwest is typically delayed, and it gets wearisome. It is no longer a discount airline and you get way less than you pay for when it comes to comfort and Ce.

We sat on the plane on the tarmac for 4 hours.

I'm not a fan of Southwest's model. I don't like the herding style of boarding.

Flight crew and cabin crew were great. I had to rearrange flights because my original flight was 3hrs delayed for weather, the rub is the flight I moved to boarded on time then we sat at the gate for 2 hours because scheduling stole our first officer for another flight, TWICE. Then our actual FO was an hour delayed. To make it worse my original flight went from a 3 hour delay to departing 15min EARLY. Just poor scheduling operations all around.

Bring back peanuts Take our drink orders when were all seated, especially after you switch to assigned seating.

Staff was far less than helpful at all times. Departure and arrival times mean nothing to Southwest. Extremely disappointed, will never fly with them again, and I’ll be sure to share my experience with all.

It is southwest seat was ok. Not the most comfortable seat

I’ve always loved Southwest. No issues at all. I was flying standby and the gate agent was extremely friendly and helpful. Boarding was smooth and I was able to get a window seat in the emergency exit row. Crew was fantastic! They were very professional and accommodating. We had to divert from our destination due to weather but the flight crew kept everyone at ease and informed us of all pertinent information. Excellent flight

The price of the tickets isn't matching the flight experience. No matter how long the flight is, you're only getting pretzels. The flight attendants looked unkept and over it.

Plz don't take away free bags and free seating

Great service. Flight was delayed while we sat on the runway for a couple of hours. Weather related. Staff made is very bearable. The steward servicing the first class cabin was exceptional. Thank you! 💗

5 hours of delay that could've been much shorter if Delta had taken the 1 hour delay they imposed on the flight before boarding to run any of the plane checks required for flight to find the hydraulic issue that required nearly 3 hours to fix. $24 of meal credit buys a sandwich and a soft drink. Poor communication within the terminal about what gate we'd be re-boarding from and when we'd be re-boarding.

Amazing flight! I have never noticed the uniforms of the attendants before in twenty years of flying except today when one female had the most amazing dress on. It was beautifully designed and showed she was in charge. I never dreamed I would google who designed Delta uniforms . The ultimate compliment is when another woman admires your outfit. . I hope your designer puts it on the market

It would be nice if was given wires ear buds. Overall was a good experience was able to sleep on the plane

My flight was 6 pm 6/6. Every hour they delayed it again - air condition issues then no pilot then the crew had worked too many hours and cancelled the flight at 11 pm. Sent customers to NJ a 45 minutes uber ride to a hotel. Had to be back by 5 am for a 7 am flight and again no pilot etc with another three hours of delays.

The entertainment and wifi mostly didn't work on this flight.

Terrible entertainment system - kept freezing and audio kept cutting out. Snacks were mediocre at best for a 5 hour flight.

The check in and bag drop off for Sky Priority members is slow. The Clear security was also slow - a TSA issue.

I am still upset that my bag was lost on a recent trip to Rome ; we were inconvenienced and out €150 Euros ; delta has refused to reimburse us

I am very bothered by the events today. I can't believe the flight attendants allowed someone to take my seat and made me move. It was embarrassing. I was in the right. The lady just didn't want move. I can't believe delta would allow this to stand and disrespect my rights as a passenger. The lady complained about her leg and that she couldn't move. Firstly somehow she was able to make it to row 24. Not sure how much her leg could have hurt. Secondly, I'm in plenty of pain myself. I just finished chemotherapy a several weeks ago. My body is constantly sore. Yet deltas flight attendants didn't appropriately protect my rights. In the end they found me a seat on the plane but I want to understand how delta can operate this way. They in essence allowed a bully to get their way.

it was so bad. I tried to board my flight from vancouver to saskatoon. And to my surprise they did not board me cause the flight was changed and no email was send to me. and on my boarding pass which i got from seattle says different flight. I did not knew anyone from Vancouver, air canada crew was rude, i asked for today flight but they were rude and i had early morning dental appointment in saskatoon. I was so much in pain and my whole day is wasted today. and i suffered alot. They did provide me hotel but they did not provide me any food. I am really really disappointed first time had so bad experience with air canada. I may think twice to book it again. If i can get any reply or any composition that would be great. Thanks

It was fine, definitely older planes with no charging or anything. There’s no entertainment set up on board, but it is nice that they allow you to access the in flight entertainment from your phone without having to pay for the Wi-Fi and they do offer free texting.

Boarding was mayhem. Late boarding by 15 minutes because of lack of staff (missing 1 flight attendant. We had to wait for an arrival of another plane before we could board). Flight was a little rough, but cannot blame on airlines.

Impressed with the service despite turbulence because of the weather. Both flights arrived before their scheduled times.

Very comfortable (upgraded to business class). The audio on my screen didn’t work, but I managed to play the audio through my phone while watching the screen.

Great experience…left a bit behind schedule but made up fir that in the air and landed 10 minutes early 😁

I was supposed to be on business class at first class from Denver back to Miami due to weather changes. I missed my connection and it’s put on a flight to Fort Lauderdale. Instead of honoring my business class/1st class ticket, they put me in coach, but there were two first class seats open. I think it’s absolutely disgusting that I paid for first class $1300 ticket and they put me in economy and they had to open seats available and I have still not been refunded the difference. I ended up having to eat a snack box instead of the meal I was supposed to get and did not get home till 2 AM so I think that’s a little pathetic that I had to live off crackers for dinner And my poor dog ate some cheese and salami. Oh yes, apparently when they switched me to the new flight they forgot to mention I had a service dog

Excellent service despite turbulence during the flight. Flight attendants were remarkable!

I liked that the flight was nonstop from ORD to CIU for $200 round trip.

Smooth flight, especially take off and landing, and great crew on board. Really loved the stroopwaffles!

It was one of my worst flight ever. First they were changing the gate for at least 4 times, changing from gate D7 to D12 to D44. Considering the size of the Miami Airport, we are talking about long distance and the train at the airport was not working. Then the flight was delayed around one hour. Then finally we boarded into the plane and when everybody was seated, there was an announcement that there is an issue with one of the tire of the plane, so we all had to get out of the plane with our belongings, to replace the tire. So we had around 2.5-hour delay

Most miserable flight ever. We waited almost 2 hours on the runway because the flight was oversold. American offered $1200 credit. Then there was some nonsense about weight distribution. Ridiculous. No food for 8 plus hours on the flight. I will be writing a letter.

Honestly, I haven’t flown American in years, probably due to the pandemic and my being unable to travel for certain periods in the last two years, but it was a good experience to dig out or obtain a new American Airlines account after many years of traveling for business with American in the past.

The plane was probably full boarding was easy. We were able to check our carry-on luggage for free. It was a return flight through Philly to LA. Never saw a stewardess do a demonstration of emergency Procedures. I think my flight was pretty full

Plane, flight, crew, captain were all great. The first flight had a Chipotle box lunch...delicious.

Plane, flight, crew, captain were all great. The first flight had a Chipotle box lunch...delicious. this return flight not as tasty, but filling.

The flight was 2 hour delayed, otherwise everything was excellent. The delay was due to the hourly limit requirement so given that as a reason, I'm happy with the flight!

Weather delay for 2.5 hours followed by half hour crew delay, did not have ginger ale, uncomfortable seats

So awful Unreliable Unfriendly Bad Mad Mean Smelly Hot Late Overbooked Understaffed Expensive Cramped Narcs If they were a fruit they’d be rotten durian

It’s a great flight. Service is good. Staff is awesome.

Book cheap flights from Washington to Missouri

Recent round-trip flight deals

7/9Wed
nonstopSouthwest
4h 00mSEA-STL
7/16Wed
1 stopSouthwest
8h 00mSTL-SEA
$179
9/16Tue
1 stopUnited Airlines
6h 44mSEA-STL
9/23Tue
1 stopUnited Airlines
7h 10mSTL-SEA
$180
8/1Fri
1 stopDelta
8h 34mSEA-STL
8/4Mon
1 stopDelta
6h 44mSTL-SEA
$189
8/31Sun
1 stopHawaiian Airlines
8h 19mGEG-MCI
9/6Sat
1 stopHawaiian Airlines
8h 16mMCI-GEG
$198
9/20Sat
1 stopAlaska Airlines
8h 55mGEG-MCI
9/22Mon
1 stopAlaska Airlines
6h 00mMCI-GEG
$199
8/5Tue
1 stopAmerican Airlines
7h 33mSEA-STL
8/19Tue
1 stopAmerican Airlines
8h 17mSTL-SEA
$209
8/5Tue
1 stopAmerican Airlines
7h 33mSEA-STL
8/19Tue
1 stopAmerican Airlines
9h 21mSTL-SEA
$218
8/15Fri
1 stopDelta
6h 39mSEA-STL
8/18Mon
1 stopDelta
6h 55mSTL-SEA
$223
7/31Thu
nonstopAlaska Airlines
3h 53mSEA-STL
8/5Tue
nonstopAlaska Airlines
4h 26mSTL-SEA
$249
8/16Sat
nonstopHawaiian Airlines
3h 26mSEA-MCI
8/18Mon
nonstopHawaiian Airlines
4h 02mMCI-SEA
$277

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Recent one-way flight deals

8/28Thu
nonstopSouthwest
4h 00mSEA-STL
$85
8/20Wed
1 stopUnited Airlines
6h 44mSEA-STL
$90
9/10Wed
1 stopAmerican Airlines
7h 43mSEA-STL
$94
8/15Fri
1 stopAmerican Airlines
6h 49mGEG-MCI
$100
8/24Sun
1 stopAlaska Airlines
8h 55mGEG-MCI
$105
10/7Tue
1 stopDelta
6h 04mSEA-STL
$119
9/10Wed
1 stopDelta
6h 04mSEA-STL
$120
9/14Sun
nonstopHawaiian Airlines
3h 56mSEA-STL
$123
10/3Fri
nonstopAlaska Airlines
3h 56mSEA-STL
$125
9/13Sat
nonstopHawaiian Airlines
4h 00mSEA-STL
$126

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Last minute flights from Washington to Missouri

Last minute flight, train and bus deals

6/13Fri
multi-stopFrontier
24h 47mSEA-STL
6/21Sat
multi-stopFrontier
6h 15mSTL-SEA
$305
6/13Fri
multi-stopSouthwest
6h 15mPDX-MCI
6/15Sun
nonstopSouthwest
3h 40mMCI-PDX
$335
6/13Fri
multi-stopDelta
7h 29mPDX-MCI
6/15Sun
multi-stopDelta
6h 18mMCI-PDX
$345
6/13Fri
multi-stopUnited Airlines
6h 01mPDX-MCI
6/15Sun
multi-stopUnited Airlines
8h 17mMCI-PDX
$350
6/13Fri
multi-stopDelta
8h 52mPDX-MCI
6/20Fri
multi-stopDelta
7h 26mMCI-PDX
$372
6/13Fri
multi-stopAmerican Airlines
6h 57mPDX-MCI
6/19Thu
multi-stopAmerican Airlines
7h 57mMCI-PDX
$392
6/14Sat
multi-stopAmerican Airlines
8h 17mPDX-MCI
6/18Wed
multi-stopAmerican Airlines
6h 39mMCI-PDX
$412
6/14Sat
multi-stopUnited Airlines
7h 51mPDX-MCI
6/19Thu
multi-stopUnited Airlines
8h 18mMCI-PDX
$425
6/14Sat
multi-stopAlaska Airlines
8h 39mPDX-STL
7/5Sat
multi-stopAlaska Airlines
12h 48mSTL-PDX
$499
6/14Sat
multi-stopAlaska Airlines
18h 51mPDX-STL
7/5Sat
multi-stopAlaska Airlines
12h 47mSTL-PDX
$539

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Everything you need to know for your flight to Missouri

Cabin class types available on flights to Washington

Cabin classes available on flights to Washington. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

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